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

58 flights are operational daily from Region of Ontario to Washington, D.C. as of June 2026. The most popular departure time for this route is 9:00AM, with 39% of flights per day taking off at noon.

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

As of June 2026, there are 409 flights per week flying from Region of Ontario to Washington, D.C.. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.

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.

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

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

What airlines fly to Washington, D.C.?

Air Canada, United Airlines and Porter 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 62% 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.

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 June 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.

$131 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.

8:55 am - 10:25 am

YTZ

IAD

1h 30mnonstop

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

$205Porter Airlines

Thu, Jul 16 - Sun, Jul 19

8:55 am - 10:25 am

YTZ

IAD

1h 30mnonstop

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

$206Porter Airlines

Thu, Jul 16 - Sun, Jul 19

1:40 pm - 3:11 pm

YTZ

IAD

1h 31mnonstop

11:05 am - 12:35 pm

IAD

YTZ

1h 30mnonstop

$207Porter Airlines

Sat, Jul 11 - Tue, Jul 14

6:25 pm - 7:57 pm

YYZ

DCA

1h 32mnonstop

6:55 pm - 8:26 pm

DCA

YYZ

1h 31mnonstop

$243Air Canada

Thu, Aug 20 - Sat, Aug 29

1:55 pm - 3:24 pm

YYZ

IAD

1h 29mnonstop

9:55 am - 11:21 am

IAD

YYZ

1h 26mnonstop

$243Air Canada

Fri, Jul 24 - Sun, Jul 26

5:19 pm - 6:59 pm

YYZ

DCA

1h 40mnonstop

7:30 am - 2:44 pm

DCA

YYZ

7h 14m

1 stop

$253American Airlines

Tue, Oct 6 - Wed, Oct 7

1:30 pm - 12:25 pm

YYZ

BWI

22h 55m

1 stop

1:55 pm - 8:55 pm

BWI

YYZ

31h 00m

1 stop

$317Multiple Airlines

Mon, Aug 31 - Thu, Oct 1

1:30 pm - 7:26 am

YYZ

BWI

17h 56m

2 stops

1:55 pm - 8:55 pm

BWI

YYZ

31h 00m

1 stop

$332Multiple Airlines

Mon, Aug 31 - Thu, Oct 1

2:15 pm - 10:55 pm

YYZ

BWI

8h 40m

1 stop

11:00 am - 5:22 pm

BWI

YYZ

6h 22m

1 stop

$383Delta

Thu, Oct 15 - Wed, Nov 11

7:00 am - 5:28 pm

YUL

BWI

10h 28m

1 stop

2:03 pm - 11:59 pm

BWI

YUL

9h 56m

1 stop

$391Delta

Fri, Sep 18 - Sat, Oct 3

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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

Jul 7

YYZ8:00 pmToronto Pearson Intl

11h 22m

1 stop

IAD7:22 amWashington, D.C. Dulles Intl

Jul 8

IAD5:15 pmWashington, D.C. Dulles Intl

1h 47m

YYZ7:02 pmToronto Pearson Intl

$307

United Airlines

Sep 1

YOW7:34 pmOttawa

1h 44m

IAD9:18 pmWashington, D.C. Dulles Intl

Sep 2

IAD8:35 amWashington, D.C. Dulles Intl

8h 03m

1 stop

YOW4:38 pmOttawa

$342

United Airlines

Jul 7

YYZ8:55 pmToronto Pearson Intl

10h 27m

1 stop

IAD7:22 amWashington, D.C. Dulles Intl

Jul 8

IAD12:40 pmWashington, D.C. Dulles Intl

1h 39m

YYZ2:19 pmToronto Pearson Intl

$366

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

Jul 16

YTZ3:15 pmToronto Island

1h 23m

IAD4:38 pmWashington, D.C. Dulles Intl

Jul 20

IAD5:15 pmWashington, D.C. Dulles Intl

1h 31m

YTZ6:46 pmToronto Island

$241

Air Canada

Aug 20

YTZ10:45 amToronto Island

4h 16m

1 stop

IAD3:01 pmWashington, D.C. Dulles Intl

Aug 29

IAD5:15 pmWashington, D.C. Dulles Intl

1h 31m

YTZ6:46 pmToronto Island

$243

Air Canada

Jul 23

YYZ1:55 pmToronto Pearson Intl

1h 29m

IAD3:24 pmWashington, D.C. Dulles Intl

Jul 26

IAD9:55 amWashington, D.C. Dulles Intl

1h 26m

YYZ11:21 amToronto Pearson Intl

$244

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 - IAD

YTZIAD

Toronto Island

Thu 7/16

8:55 am-10:25 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 7/19

3:55 pm-5:25 pm

Nonstop1h 30m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 7/16

8:55 am-10:25 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 7/19

3:55 pm-5:25 pm

Nonstop1h 30m

$206

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 7/11

1:40 pm-3:11 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 7/14

11:05 am-12:35 pm

Nonstop1h 30m

$207

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 8/20

6:25 pm-7:57 pm

Nonstop1h 32m

Washington, D.C. Reagan-National

Sat 8/29

6:55 pm-8:26 pm

Nonstop1h 31m

$243

Quickest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 7/24

1:55 pm-3:24 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 7/26

9:55 am-11:21 am

Nonstop1h 26m

$243

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 10/6

5:19 pm-6:59 pm

Nonstop1h 40m

Washington, D.C. Reagan-National

Wed 10/7

7:30 am-2:44 pm

1 stop7h 14m

$253

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 8/31

1:30 pm-12:25 pm

1 stop22h 55m

Baltimore/Washington

Thu 10/1

1:55 pm-8:55 pm

1 stop31h 00m

$317

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 8/31

1:30 pm-7:26 am

2 stops17h 56m

Baltimore/Washington

Thu 10/1

1:55 pm-8:55 pm

1 stop31h 00m

$332

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 10/15

2:15 pm-10:55 pm

1 stop8h 40m

Baltimore/Washington

Wed 11/11

11:00 am-5:22 pm

1 stop6h 22m

$383

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

7:00 am-5:28 pm

1 stop10h 28m

Baltimore/Washington

Sat 10/3

2:03 pm-11:59 pm

1 stop9h 56m

$391

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 January is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $78. If you’re not able to fly to Washington, D.C. in January, then August is your next best option. Flight prices from Region of Ontario to Washington, D.C. during August average around $281.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $316. 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 $460.

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

In the morning 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 $325. Flying to Washington, D.C. in the morning 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 $433. 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 $278 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 $196.

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 June 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 31.36% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 20.43%, Embraer 175 at 15.20%, and Canadair (Bombardier) Regional Jet 900 at 8.75%.

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 9,885 reviews	Search United Airlines flights
Air Canada	PriceFrom $181	Free Cancellation	Rating 7.1 11,254 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $189	Free Cancellation	Rating 8.0 439 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $245	Free Cancellation	Rating 7.1 11,754 reviews	Search American Airlines flights
Delta	PriceFrom $389	Free Cancellation	Rating 7.8 8,434 reviews	Search Delta flights
WestJet	PriceFrom $498	Free Cancellation	Rating 7.2 3,384 reviews	Search WestJet flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Colonial Beach

Linthicum Heights

Rockville

Silver Spring

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

Glen Burnie

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

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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 $131

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 7/8. 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

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

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

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

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