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

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

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Region of Ontario according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

The average flight duration from Region of Ontario to Washington, D.C. Dulles Intl Airport depends on which airport you fly into and out of. Flying from Toronto to Washington, D.C. Dulles Intl Airport is 1h 27m on average, while flying from Ottawa to Washington, D.C. Dulles Intl Airport is 1h 42m on average. Washington, D.C. Dulles Intl Airport is the most popular airport in Washington, D.C. Dulles Intl Airport.

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

As of November 2026, there are 5 operators available to choose from for flights from Ontario to Washington, D.C. Dulles Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C. Dulles Intl Airport.

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

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 191 Cheap Flights from Region of Ontario to Washington, D.C. Dulles Intl Airport in 2026/27

Q: How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2026, there are 163 flights per week flying from Region of Ontario to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Q: How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per day?

As of November 2026, there are 23 flights per day flying from Region of Ontario to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00a.m., with 46% of flights taking off in the afternoon.

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.

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:52 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mdirect

C$ 305Porter Airlines

Wed, 16 Dec - Sun, 10 Jan

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

C$ 307Air Canada

Sat, 5 Dec - Sun, 6 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 311Porter Airlines

Sat, 5 Dec - Sun, 6 Dec

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

C$ 335Air Canada

Tue, 15 Dec - Thu, 7 Jan

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 336Air Transat

Thu, 3 Dec - Mon, 7 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 346Air Transat

Tue, 1 Dec - Mon, 7 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

C$ 359Multiple Airlines

Thu, 3 Dec - Sun, 6 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:05 a.m. - 3:51 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

6h 46m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 362Multiple Airlines

Thu, 3 Dec - Sun, 6 Dec

10:30 a.m. - 4:16 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

5h 46m1 stop Newark

10:09 p.m. - 11:52 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 43mdirect

C$ 366United Airlines

Fri, 25 Dec - Fri, 25 Dec

7:44 p.m. - 9:26 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mdirect

6:05 a.m. - 11:48 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 43m1 stop Newark

C$ 370United Airlines

Sat, 5 Dec - Sun, 6 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:10 a.m. - 10:39 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 322Porter Airlines

Sat, 14 Nov - Mon, 16 Nov

9:10 a.m. - 10:39 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 403Porter Airlines

Sat, 14 Nov - Mon, 23 Nov

12:15 p.m. - 4:18 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 03m1 stop Detroit Metropolitan Wayne County

6:00 a.m. - 11:19 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 19m1 stop Detroit Metropolitan Wayne County

C$ 441Delta

Sat, 14 Nov - Sun, 22 Nov

4:15 p.m. - 5:44 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 451Air Transat

Sun, 15 Nov - Thu, 10 Dec

12:15 p.m. - 4:18 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 03m1 stop Detroit Metropolitan Wayne County

6:00 a.m. - 1:30 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 30m1 stop Detroit Metropolitan Wayne County

C$ 461Delta

Sat, 14 Nov - Sun, 22 Nov

3:20 p.m. - 4:47 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 27mdirect

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

C$ 470Air Canada

Sat, 14 Nov - Thu, 10 Dec

4:15 p.m. - 5:44 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 480Air Transat

Fri, 13 Nov - Thu, 10 Dec

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

6:00 a.m. - 11:19 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 19m1 stop Detroit Metropolitan Wayne County

C$ 483Multiple Airlines

Sat, 14 Nov - Sun, 22 Nov

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

6:00 a.m. - 1:30 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 30m1 stop Detroit Metropolitan Wayne County

C$ 501Multiple Airlines

Sat, 14 Nov - Sun, 22 Nov

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

C$ 516Air Canada

Sat, 14 Nov - Thu, 10 Dec

Cheap direct flights

Enter your travel dates to find the best prices.

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:52 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mdirect

C$ 305Porter Airlines

Wed, 16 Dec - Sun, 10 Jan

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

C$ 307Air Canada

Sat, 5 Dec - Sun, 6 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 311Porter Airlines

Sat, 5 Dec - Sun, 6 Dec

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

C$ 335Air Canada

Tue, 15 Dec - Thu, 7 Jan

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 336Air Transat

Thu, 3 Dec - Mon, 7 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 346Air Transat

Tue, 1 Dec - Mon, 7 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

C$ 359Multiple Airlines

Thu, 3 Dec - Sun, 6 Dec

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 388Multiple Airlines

Tue, 8 Dec - Wed, 9 Dec

2:45 p.m. - 4:35 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 50mdirect

10:10 p.m. - 11:52 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mdirect

C$ 494United Airlines

Tue, 5 Jan - Sat, 16 Jan

2:45 p.m. - 4:35 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 50mdirect

5:18 p.m. - 7:01 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 43mdirect

C$ 494United Airlines

Tue, 22 Dec - Tue, 5 Jan

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

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

Porter Airlines

16 Dec

YTZ9:10 a.m.Toronto Island

1h 30m

IAD10:40 a.m.Washington, D.C. Dulles Intl

10 Jan

IAD11:20 a.m.Washington, D.C. Dulles Intl

1h 32m

YTZ12:52 p.m.Toronto Island

C$ 305

Porter Airlines

23 Dec

YTZ9:10 a.m.Toronto Island

1h 30m

IAD10:40 a.m.Washington, D.C. Dulles Intl

29 Dec

IAD11:20 a.m.Washington, D.C. Dulles Intl

1h 30m

YTZ12:50 p.m.Toronto Island

C$ 311

Porter Airlines

20 Nov

YTZ9:10 a.m.Toronto Island

1h 29m

IAD10:39 a.m.Washington, D.C. Dulles Intl

22 Nov

IAD11:20 a.m.Washington, D.C. Dulles Intl

1h 30m

YTZ12:50 p.m.Toronto Island

C$ 312

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

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

Air Canada

5 Dec

YYZ6:40 p.m.Toronto Pearson Intl

1h 30m

IAD8:10 p.m.Washington, D.C. Dulles Intl

6 Dec

IAD9:55 a.m.Washington, D.C. Dulles Intl

1h 27m

YYZ11:22 a.m.Toronto Pearson Intl

C$ 307

Air Canada

5 Dec

YYZ6:40 p.m.Toronto Pearson Intl

1h 30m

IAD8:10 p.m.Washington, D.C. Dulles Intl

6 Dec

IAD9:55 a.m.Washington, D.C. Dulles Intl

1h 27m

YYZ11:22 a.m.Toronto Pearson Intl

C$ 335

Air Canada

5 Dec

YYZ6:40 p.m.Toronto Pearson Intl

1h 30m

IAD8:10 p.m.Washington, D.C. Dulles Intl

12 Dec

IAD9:55 a.m.Washington, D.C. Dulles Intl

1h 27m

YYZ11:22 a.m.Toronto Pearson Intl

C$ 342

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Wed 16/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 10/1

11:20 a.m.-12:52 p.m.

Nonstop1h 32m

C$ 305

Quickest round-trip

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 5/12

6:40 p.m.-8:10 p.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 6/12

9:55 a.m.-11:22 a.m.

Nonstop1h 27m

C$ 307

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sat 5/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 6/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

C$ 311

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Tue 15/12

6:40 p.m.-8:10 p.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Thu 7/1

9:55 a.m.-11:22 a.m.

Nonstop1h 27m

C$ 335

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 3/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 7/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

C$ 336

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Tue 1/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 7/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

C$ 346

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 3/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 6/12

5:20 p.m.-6:57 p.m.

Nonstop1h 37m

C$ 359

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 3/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 6/12

9:05 a.m.-3:51 p.m.

1 stop6h 46m

C$ 362

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 25/12

10:30 a.m.-4:16 p.m.

1 stop5h 46m

Washington, D.C. Dulles Intl

Fri 25/12

10:09 p.m.-11:52 p.m.

Nonstop1h 43m

C$ 366

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 5/12

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sun 6/12

6:05 a.m.-11:48 a.m.

1 stop5h 43m

C$ 370

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. Dulles Intl Airport

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. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Region of Ontario is in April. Flight prices, which tend to average around C$ 383, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in April, then you should wait until February to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 386.

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

According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Region of Ontario. The lowest ticket price found for a Friday departure recently was C$ 593. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 989.

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

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. Flights from Region of Ontario to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 542. In the evening is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 873 per ticket.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around C$ 445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Region of Ontario for as low as C$ 387 on momondo.

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

There are 4 cabin classes available to choose from on Region of Ontario to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flights?

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

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

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

Best price found	C$ 191
Fastest flight time	1h 28m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Region of Ontario in the past 72 hours is C$ 191. The best round-trip flight deal from Region of Ontario to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is C$ 305.

The fastest flight from Region of Ontario to Washington, D.C. Dulles Intl Airport takes 1h 28m

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

Search flight deals

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

When did momondo last update prices for flights from Ontario to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ontario to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Ontario to Washington, D.C. Dulles Intl Airport?
As of November 2026, there are 5 operators available to choose from for flights from Ontario to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Ontario to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Region of Ontario and Washington, D.C. Dulles Intl Airport, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 38.08% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 21.96%, Canadair (Bombardier) Regional Jet 900 with 9.34%, and Embraer 175 with 7.74%.

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

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 128	Free Cancellation	Rating 7.1 11,879 reviews	Search Air Canada flights
Delta	PriceFrom C$ 200	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 237	Free Cancellation	Rating 8.0 468 reviews	Search Porter Airlines flights
Air Transat	PriceFrom C$ 291	Free Cancellation	Rating 7.7 585 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 314	Free Cancellation	Rating 7.3 10,477 reviews	Search United Airlines flights

Upper Marlboro

Sterling

Gaithersburg

Chantilly

Arlington

Towson

Gettysburg

Fredericksburg

Ashburn

Woodbridge

Herndon

Silver Spring

National Harbor

McLean

Fairfax

Leesburg

Falls Church

Alexandria

Easton

Rockville

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Ontario.

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

Flights from Ontario to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Ontario to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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Flights to Newark Airportfrom C$ 278

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Flights to Chicago O'Hare Intl Airportfrom C$ 350

Flights to Washington, D.C. Reagan-National Airportfrom C$ 370

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Cheap flights from Ontario to Washington, D.C. from C$ 191

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 17/12. 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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Porter Airlines flights from Region of Ontario to Washington, D.C. Dulles Intl Airport

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