What is the cheapest airline that flies from Ontario to Washington, D.C.?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Ontario to Washington, D.C.

How many flights depart from Region of Ontario to Washington, D.C. on average per day?

40 flights are operational daily from Region of Ontario to Washington, D.C. as of September 2026. The most popular departure time for this route is 2:00PM, with 41% of flights per day taking off in the afternoon.

How long does it take to fly to Washington, D.C.?

Flight times from Region of Ontario to Washington, D.C. vary, but if you’re flying out of Toronto and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 1h 24m on average. Another popular route from Region of Ontario to Washington, D.C. is flying from Ottawa to Washington, D.C. Dulles Intl Airport, which will take roughly 1h 43m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C.?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Region of Ontario according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

How many flights depart from Region of Ontario to Washington, D.C. on average per week?

As of September 2026, there are 284 flights per week flying from Region of Ontario to Washington, D.C.. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.

When did momondo last update prices for flights from Ontario to Washington, D.C.?

Prices for flights from Ontario to Washington, D.C. were last updated today.

How many operators does momondo search for flights from Ontario to Washington, D.C.?

As of September 2026, there are 6 operators available to choose from for flights from Ontario to Washington, D.C..

How old do you have to be to fly from Ontario to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$119 Cheap Flights from Ontario to Washington, D.C. in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 12:09 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 49m1 stop Ottawa

12:55 pm - 6:19 pmDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 24m1 stop Ottawa

$179Air Canada

Thu, Oct 22 - Wed, Oct 28

4:15 pm - 5:43 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$179Porter Airlines

Fri, Nov 20 - Tue, Nov 24

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$179Porter Airlines

Fri, Oct 23 - Sat, Oct 31

8:20 am - 12:09 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 49m1 stop Ottawa

6:00 am - 11:50 amDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 50m1 stop Montreal Pierre Elliott Trudeau Intl

$181Air Canada

Thu, Oct 15 - Sun, Oct 18

7:43 pm - 9:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mnonstop

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

$196United Airlines

Fri, Oct 23 - Sat, Oct 31

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

$196United Airlines

Thu, Oct 15 - Mon, Oct 19

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$196Multiple Airlines

Fri, Oct 30 - Sun, Nov 1

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$196Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

6:59 am - 1:01 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

6h 02m1 stop New York LaGuardia

$206American Airlines

Wed, Nov 25 - Thu, Dec 3

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

6:59 am - 1:01 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

6h 02m1 stop New York LaGuardia

$206American Airlines

Wed, Nov 25 - Thu, Dec 3

Cheap last minute flights

Enter your travel dates to find the best prices.

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$282Air Transat

Tue, Sep 29 - Tue, Oct 6

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$285Air Transat

Tue, Sep 29 - Tue, Oct 6

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$300Porter Airlines

Sat, Sep 26 - Thu, Oct 15

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$300Porter Airlines

Tue, Sep 29 - Sat, Oct 17

6:55 pm - 8:25 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

9:55 am - 11:20 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mnonstop

$307Air Canada

Tue, Sep 29 - Sun, Oct 11

8:55 pm - 10:34 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mnonstop

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

$307Air Canada

Sat, Sep 26 - Sun, Oct 11

2:35 pm - 4:12 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

8:28 am - 10:04 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

$307United Airlines

Sat, Sep 26 - Sun, Oct 11

2:35 pm - 4:12 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

$307United Airlines

Sat, Sep 26 - Sat, Oct 17

6:10 pm - 11:02 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 52m1 stop Detroit Metropolitan Wayne County

7:20 pm - 11:36 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 16m1 stop New York LaGuardia

$332Delta

Tue, Sep 29 - Tue, Oct 6

12:08 pm - 4:30 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 22m1 stop Detroit Metropolitan Wayne County

6:05 am - 11:19 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 14m1 stop Detroit Metropolitan Wayne County

$333Delta

Tue, Sep 29 - Wed, Oct 14

Cheap direct flights

Enter your travel dates to find the best prices.

4:15 pm - 5:43 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$179Porter Airlines

Fri, Nov 20 - Tue, Nov 24

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$179Porter Airlines

Fri, Oct 23 - Sat, Oct 31

1:55 pm - 3:25 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$188Air Canada

Thu, Oct 22 - Wed, Oct 28

6:25 pm - 7:59 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 34mnonstop

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

$188Air Canada

Thu, Oct 15 - Sun, Oct 18

7:43 pm - 9:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mnonstop

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

$196United Airlines

Fri, Oct 23 - Sat, Oct 31

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

$196United Airlines

Thu, Oct 15 - Mon, Oct 19

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$196Multiple Airlines

Fri, Oct 30 - Sun, Nov 1

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$196Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

10:16 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mnonstop

$220American Airlines

Sat, Nov 14 - Tue, Nov 17

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

11:59 am - 1:43 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

$221American Airlines

Tue, Oct 6 - Wed, Oct 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Porter Airlines flights from Region of Ontario to Washington, D.C.

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. flight tickets

Porter Airlines

Oct 15

YTZ9:15 amToronto Island

1h 30m

IAD10:45 amWashington, D.C. Dulles Intl

Oct 18

IAD3:50 pmWashington, D.C. Dulles Intl

1h 30m

YTZ5:20 pmToronto Island

$179

Porter Airlines

Oct 3

YTZ9:15 amToronto Island

1h 30m

IAD10:45 amWashington, D.C. Dulles Intl

Oct 4

IAD11:25 amWashington, D.C. Dulles Intl

1h 30m

YTZ12:55 pmToronto Island

$180

Porter Airlines

Oct 19

YTZ9:15 amToronto Island

1h 30m

IAD10:45 amWashington, D.C. Dulles Intl

Oct 29

IAD11:20 amWashington, D.C. Dulles Intl

1h 32m

YTZ12:52 pmToronto Island

$182

Air Canada flights from Region of Ontario to Washington, D.C.

Our best Air Canada deals on Region of Ontario to Washington, D.C. flight tickets

Air Canada

Oct 22

YTZ8:20 amToronto Island

3h 49m

1 stop

DCA12:09 pmWashington, D.C. Reagan-National

Oct 28

DCA12:55 pmWashington, D.C. Reagan-National

5h 24m

1 stop

YTZ6:19 pmToronto Island

$179

Air Canada

Oct 15

YTZ8:20 amToronto Island

3h 49m

1 stop

DCA12:09 pmWashington, D.C. Reagan-National

Oct 18

DCA6:00 amWashington, D.C. Reagan-National

5h 50m

1 stop

YTZ11:50 amToronto Island

$181

Air Canada

Oct 15

YTZ9:30 amToronto Island

5h 27m

1 stop

IAD2:57 pmWashington, D.C. Dulles Intl

Oct 18

IAD9:45 amWashington, D.C. Dulles Intl

4h 35m

1 stop

YTZ2:20 pmToronto Island

$183

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Thu 10/22

8:20 am-12:09 pm

1 stop3h 49m

Washington, D.C. Reagan-National

Wed 10/28

12:55 pm-6:19 pm

1 stop5h 24m

$179

Quickest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Fri 11/20

4:15 pm-5:43 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

Tue 11/24

11:20 am-12:52 pm

Nonstop1h 32m

$179

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Fri 10/23

1:40 pm-3:10 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sat 10/31

11:20 am-12:52 pm

Nonstop1h 32m

$179

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Thu 10/15

8:20 am-12:09 pm

1 stop3h 49m

Washington, D.C. Reagan-National

Sun 10/18

6:00 am-11:50 am

1 stop5h 50m

$181

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Fri 10/23

7:43 pm-9:24 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 10/31

10:10 pm-11:52 pm

Nonstop1h 42m

$196

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 10/15

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 10/19

10:19 pm-11:54 pm

Nonstop1h 35m

$196

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Fri 10/30

7:44 pm-9:26 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sun 11/1

9:55 am-11:22 am

Nonstop1h 27m

$196

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Tue 10/20

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Tue 10/27

9:55 am-11:22 am

Nonstop1h 27m

$196

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - DCA Washington, D.C. Reagan-National

YYZDCA

Toronto Pearson Intl

Wed 11/25

12:42 pm-2:25 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Thu 12/3

6:59 am-1:01 pm

1 stop6h 02m

$206

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - DCA Washington, D.C. Reagan-National

YYZDCA

Toronto Pearson Intl

Wed 11/25

12:42 pm-2:25 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Thu 12/3

6:59 am-1:01 pm

1 stop6h 02m

$206

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $275. If you’re not able to fly to Washington, D.C. in November, then January is your next best option. Flight prices from Region of Ontario to Washington, D.C. during January average around $276.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Region of Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $304. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Washington, D.C. for around $480.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Region of Ontario to Washington, D.C. when you can find flight prices for as low as $308. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $505. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Washington, D.C. flight route?

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - Washington, D.C. flight prices

How far in advance should I book a flight from Ontario to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Region of Ontario for as low as $274 on momondo.

What cabin class options are available on Region of Ontario to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Region of Ontario to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to Washington, D.C..

Cheap Region of Ontario to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Washington, D.C.

Best Price Found	$119
Fastest flight time	1h 23m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Region of Ontario in the past 72 hours is $119. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is $179.

The fastest flight from Region of Ontario to Washington, D.C. takes 1h 23m

Direct flights go from Region of Ontario to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Region of Ontario there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Ontario to Washington, D.C.

When did momondo last update prices for flights from Ontario to Washington, D.C.?
Prices for flights from Ontario to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Ontario to Washington, D.C.?
As of September 2026, there are 6 operators available to choose from for flights from Ontario to Washington, D.C..
How old do you have to be to fly from Ontario to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Region of Ontario to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to Washington, D.C. is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 35.03% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 18.69%, Embraer 175 at 9.72%, and Canadair (Bombardier) Regional Jet 900 at 9.59%.

Best airlines flying from Region of Ontario to Washington, D.C.

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 10,233 reviews	Search United Airlines flights
Air Canada	PriceFrom $174	Free Cancellation	Rating 7.1 11,676 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 463 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $218	Free Cancellation	Rating 7.0 12,073 reviews	Search American Airlines flights
Delta	PriceFrom $389	Free Cancellation	Rating 7.8 8,593 reviews	Search Delta flights
WestJet	PriceFrom $422	Free Cancellation	Rating 7.2 3,448 reviews	Search WestJet flights

Alexandria

National Harbor

Arlington

Gettysburg

Fredericksburg

Waldorf

Laurel

Woodbridge

Linthicum Heights

Gaithersburg

Rockville

Silver Spring

Towson

Fairfax

Springfield

Glen Burnie

Edgewood

Colonial Beach

College Park

Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Washington, D.C.?

Finding the right flight to Washington, D.C. from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Ontario to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ontario with this policy.

How can momondo help me find flights from Ontario to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ontario.

I’m not ready to book a flight from Ontario to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ontario and alert you when they change.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 10/23

Fri 10/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Ontario

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Ontario to Washington, D.C. from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Washington, D.C. departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Porter Airlines flights from Region of Ontario to Washington, D.C.

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. flight tickets

Air Canada flights from Region of Ontario to Washington, D.C.

Our best Air Canada deals on Region of Ontario to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Region of Ontario to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Ontario to Washington, D.C. flight route?

How far in advance should I book a flight from Ontario to Washington, D.C.?

What cabin class options are available on Region of Ontario to Washington, D.C. flights?

Can stopping save me money on Region of Ontario to Washington, D.C. flights?

What is the cheapest airline that flies from Ontario to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Region of Ontario to Washington, D.C. on average per day?

How many flights depart from Region of Ontario to Washington, D.C. on average per week?

How long does it take to fly to Washington, D.C.?

Cheap Region of Ontario to Washington, D.C. flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from Ontario to Washington, D.C.

Best airlines flying from Region of Ontario to Washington, D.C.

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year