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

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

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 26m 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.

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

51 flights are operational daily from Region of Ontario to Washington, D.C. as of August 2026. The most popular departure time for this route is 9:00AM, with 38% of flights per day taking off in the afternoon.

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 66% 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 August 2026, there are 362 flights per week flying from Region of Ontario to Washington, D.C.. The most common day of the week flights depart is Mon, with 18% 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 August 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.

$130 Cheap Flights from Ontario to Washington, D.C. in 2026

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.

10:30 am - 2:55 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 25m1 stop Montreal Pierre Elliott Trudeau Intl

9:45 am - 2:33 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

4h 48m1 stop Montreal Pierre Elliott Trudeau Intl

$198Air Canada

Fri, Sep 4 - Tue, Sep 8

10:30 am - 3:00 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Montreal Pierre Elliott Trudeau Intl

3:45 pm - 8:53 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 08m1 stop Montreal Pierre Elliott Trudeau Intl

$198Air Canada

Thu, Sep 10 - Sun, Sep 13

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

$199Porter Airlines

Sat, Aug 22 - Tue, Aug 25

10:45 am - 3:01 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

4h 16m1 stop Montreal Pierre Elliott Trudeau Intl

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

1h 30mnonstop

$201Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

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

1h 30mnonstop

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$203Porter Airlines

Fri, Aug 28 - Tue, Sep 8

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

1h 37mnonstop

12:43 pm - 2:19 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

$204United Airlines

Thu, Oct 8 - Sat, Oct 17

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

$204United Airlines

Sun, Sep 6 - Tue, Sep 8

9:44 am - 11:21 amYYZ 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

$206Lufthansa

Sat, Sep 19 - Sat, Sep 26

7:55 am - 12:42 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 47m1 stop New York LaGuardia

9:39 am - 5:24 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 45m1 stop Detroit Metropolitan Wayne County

$229Delta

Wed, Aug 19 - Tue, Aug 25

2:28 pm - 8:48 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

6h 20m1 stop New York LaGuardia

7:20 pm - 11:26 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

4h 06m1 stop Detroit Metropolitan Wayne County

$355Delta

Sat, Nov 7 - Mon, Nov 9

Cheap last minute flights

Enter your travel dates to find the best prices.

1:55 pm - 3:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

4:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mnonstop

$239Air Canada

Thu, Aug 13 - Thu, Aug 20

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

$260Porter Airlines

Wed, Aug 12 - Mon, Aug 24

8:00 am - 3:01 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

7h 01m1 stop Montreal Pierre Elliott Trudeau Intl

4:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mnonstop

$262Air Canada

Thu, Aug 13 - Thu, Aug 20

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

1h 30mnonstop

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$267Porter Airlines

Wed, Aug 12 - Mon, Aug 31

8:50 am - 5:37 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

8h 47m1 stop Chicago O'Hare Intl

9:55 am - 11:21 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 26mnonstop

$317Multiple Airlines

Wed, Aug 12 - Mon, Aug 24

7:30 am - 11:26 amYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

3h 56m1 stop Newark

9:45 am - 3:35 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 50m1 stop Montreal Pierre Elliott Trudeau Intl

$326Multiple Airlines

Wed, Aug 12 - Mon, Aug 31

4:10 pm - 11:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

7h 16m1 stop Detroit Metropolitan Wayne County

6:10 am - 1:34 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 24m1 stop Detroit Metropolitan Wayne County

$327Delta

Tue, Aug 11 - Sun, Aug 23

7:29 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 50m1 stop New York LaGuardia

4:59 pm - 9:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 39m1 stop Philadelphia

$327American Airlines

Tue, Aug 11 - Sat, Aug 22

2:31 pm - 10:58 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

8h 27m1 stop New York LaGuardia

9:39 am - 5:24 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 45m1 stop Detroit Metropolitan Wayne County

$329Delta

Tue, Aug 11 - Fri, Aug 21

7:29 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 50m1 stop New York LaGuardia

11:42 am - 1:26 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

$380American Airlines

Tue, Aug 11 - Sat, Aug 22

Cheap direct flights

Enter your travel dates to find the best prices.

6:25 pm - 7:57 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 32mnonstop

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

1h 36mnonstop

$198Air Canada

Thu, Aug 27 - Mon, Aug 31

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

$198Air Canada

Sat, Oct 17 - Sun, Oct 18

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

$199Porter Airlines

Sat, Aug 22 - Tue, Aug 25

1:40 pm - 3:10 pmYTZ 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

$203Porter Airlines

Wed, Aug 26 - Wed, Sep 9

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

1h 30mnonstop

5:20 pm - 6:51 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

$203Multiple Airlines

Sat, Aug 22 - Wed, Sep 16

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

1h 37mnonstop

12:43 pm - 2:19 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

$204United Airlines

Thu, Oct 8 - Sat, Oct 17

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

$204United Airlines

Sun, Sep 6 - Tue, Sep 8

9:44 am - 11:21 amYYZ 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

$206Lufthansa

Sat, Sep 19 - Sat, Sep 26

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

1h 48mnonstop

10:12 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 47mnonstop

$260American Airlines

Sat, Oct 31 - Sun, Nov 1

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

1h 59mnonstop

10:14 am - 11:57 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mnonstop

$288American Airlines

Sat, Nov 14 - Mon, Nov 16

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

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

United Airlines

Aug 19

YYZ12:45 pmToronto Pearson Intl

1h 37m

IAD2:22 pmWashington, D.C. Dulles Intl

Aug 22

IAD10:19 pmWashington, D.C. Dulles Intl

1h 35m

YYZ11:54 pmToronto Pearson Intl

$231

United Airlines

Aug 20

YYZ9:44 amToronto Pearson Intl

1h 37m

IAD11:21 amWashington, D.C. Dulles Intl

Aug 23

IAD8:28 amWashington, D.C. Dulles Intl

1h 36m

YYZ10:04 amToronto Pearson Intl

$232

United Airlines

Aug 20

YYZ7:00 amToronto Pearson Intl

4h 52m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

Aug 24

IAD10:19 pmWashington, D.C. Dulles Intl

1h 35m

YYZ11:54 pmToronto Pearson Intl

$237

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

Aug 22

YTZ9:15 amToronto Island

1h 30m

IAD10:45 amWashington, D.C. Dulles Intl

Aug 25

IAD11:25 amWashington, D.C. Dulles Intl

1h 30m

YTZ12:55 pmToronto Island

$199

Porter Airlines

Aug 22

YTZ1:40 pmToronto Island

1h 30m

IAD3:10 pmWashington, D.C. Dulles Intl

Sep 2

IAD3:50 pmWashington, D.C. Dulles Intl

1h 30m

YTZ5:20 pmToronto Island

$205

Porter Airlines

Aug 21

YTZ9:15 amToronto Island

1h 30m

IAD10:45 amWashington, D.C. Dulles Intl

Sep 3

IAD11:25 amWashington, D.C. Dulles Intl

1h 30m

YTZ12:55 pmToronto Island

$206

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.

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

YYZIAD

Toronto Pearson Intl

Fri 9/4

10:30 am-2:55 pm

1 stop4h 25m

Washington, D.C. Dulles Intl

Tue 9/8

9:45 am-2:33 pm

1 stop4h 48m

$198

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Thu 9/10

10:30 am-3:00 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Sun 9/13

3:45 pm-8:53 pm

1 stop5h 08m

$198

Quickest round-trip

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sat 8/22

9:15 am-10:45 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Tue 8/25

11:25 am-12:55 pm

Nonstop1h 30m

$199

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 8/20

10:45 am-3:01 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 8/23

11:25 am-12:55 pm

Nonstop1h 30m

$201

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Fri 8/28

9:15 am-10:45 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Tue 9/8

3:50 pm-5:20 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Thu 10/8

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 10/17

12:43 pm-2:19 pm

Nonstop1h 36m

$204

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sun 9/6

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Tue 9/8

10:19 pm-11:54 pm

Nonstop1h 35m

$204

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 9/19

9:44 am-11:21 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 9/26

10:19 pm-11:54 pm

Nonstop1h 35m

$206

TorontoWashington, D.C.

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

YYZDCA

Toronto Pearson Intl

Wed 8/19

7:55 am-12:42 pm

1 stop4h 47m

Washington, D.C. Reagan-National

Tue 8/25

9:39 am-5:24 pm

1 stop7h 45m

$229

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - DCA Washington, D.C. Reagan-National

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

2:28 pm-8:48 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Mon 11/9

7:20 pm-11:26 pm

1 stop4h 06m

$355

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 October is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $265. If you’re not able to fly to Washington, D.C. in October, then January is your next best option. Flight prices from Region of Ontario to Washington, D.C. during January average around $275.

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 $301. 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 $475.

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 $317. 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 $457. 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 $309 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 $286 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	$142
Fastest flight time	1h 25m
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 $142. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is $193.

The fastest flight from Region of Ontario to Washington, D.C. takes 1h 25m

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 August 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 35.13% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 19.36%, Embraer 175 at 11.70%, and Canadair (Bombardier) Regional Jet 900 at 8.84%.

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 10,089 reviews	Search United Airlines flights
Air Canada	PriceFrom $181	Free Cancellation	Rating 7.1 11,455 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $189	Free Cancellation	Rating 8.0 452 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $218	Free Cancellation	Rating 7.1 11,892 reviews	Search American Airlines flights
Delta	PriceFrom $389	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
WestJet	PriceFrom $422	Free Cancellation	Rating 7.2 3,426 reviews	Search WestJet flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

Glen Burnie

College Park

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.

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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 $130

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 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

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

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

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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.

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

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

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