Cheap flights from Ontario to Washington, D.C. from C$ 175

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 4/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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

Cheap round-trip flights

Porter Airlines Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
Porter Airlines Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
C$ 266Porter Airlines
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Porter Airlines Logo
8:45 a.m. - 10:16 a.m.YTZ-IAD
1h 31mdirect
Porter Airlines Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
C$ 267Porter Airlines
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Air Canada Logo
7:25 a.m. - 8:59 a.m.YYZ-DCA
1h 34mdirect
Air Canada Logo
6:00 a.m. - 11:39 a.m.DCA-YYZ
5h 39m1 stop
C$ 277Air Canada
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Air Canada Logo
6:10 p.m. - 7:44 p.m.YYZ-DCA
1h 34mdirect
Air Canada Logo
6:59 a.m. - 8:31 a.m.DCA-YYZ
1h 32mdirect
C$ 279Air Canada
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Multiple Airlines Logo
6:30 a.m. - 11:01 a.m.YYZ-BWI
28h 31m1 stop
Multiple Airlines Logo
5:20 p.m. - 2:05 p.m.BWI-YYZ
20h 45m1 stop
C$ 284Multiple Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Multiple Airlines Logo
12:50 p.m. - 8:46 p.m.YYZ-BWI
7h 56m1 stop
Multiple Airlines Logo
9:37 p.m. - 2:20 p.m.BWI-YYZ
16h 43m1 stop
C$ 295Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
United Airlines Logo
12:45 p.m. - 2:25 p.m.YYZ-IAD
1h 40mdirect
United Airlines Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
C$ 302United Airlines
Find Deal
Wed, 8 Oct - Sat, 1 Nov
United Airlines Logo
2:45 p.m. - 4:27 p.m.YYZ-IAD
1h 42mdirect
United Airlines Logo
6:00 a.m. - 11:48 a.m.IAD-YYZ
5h 48m1 stop
C$ 314United Airlines
Find Deal
Wed, 29 Oct - Mon, 10 Nov
Air Transat Logo
8:45 a.m. - 10:16 a.m.YTZ-IAD
1h 31mdirect
Air Transat Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
C$ 321Air Transat
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Air Transat Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
Air Transat Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
C$ 334Air Transat
Find Deal
Sat, 11 Oct - Mon, 13 Oct

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

Our best Air Transat deals on Region of Ontario to Washington, D.C. flight tickets
Air Transat
9 Oct
YTZ8:45 a.m.Toronto Island
1h 31m
IAD10:16 a.m.Washington, D.C. Dulles Intl
13 Oct
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 33m
YTZ1:08 p.m.Toronto Island
Air Transat
11 Oct
YTZ1:35 p.m.Toronto Island
1h 31m
IAD3:06 p.m.Washington, D.C. Dulles Intl
13 Oct
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 33m
YTZ1:08 p.m.Toronto Island
Air Transat
3 Oct
YTZ1:35 p.m.Toronto Island
1h 31m
IAD3:06 p.m.Washington, D.C. Dulles Intl
6 Oct
IAD4:20 p.m.Washington, D.C. Dulles Intl
1h 33m
YTZ5:53 p.m.Toronto Island

Delta flights from Region of Ontario to Washington, D.C.

Our best Delta deals on Region of Ontario to Washington, D.C. flight tickets
Delta
1 Oct
YYZ6:03 a.m.Toronto Pearson Intl
4h 02m
1 stop
DCA10:05 a.m.Washington, D.C. Reagan-National
6 Dec
DCA9:35 a.m.Washington, D.C. Reagan-National
7h 40m
1 stop
YYZ5:15 p.m.Toronto Pearson Intl
Delta
1 Oct
YYZ6:13 p.m.Toronto Pearson Intl
4h 44m
1 stop
DCA10:57 p.m.Washington, D.C. Reagan-National
12 Dec
DCA6:06 a.m.Washington, D.C. Reagan-National
8h 37m
1 stop
YYZ2:43 p.m.Toronto Pearson Intl
Delta
9 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
13h 08m
2 stops
IAD7:08 p.m.Washington, D.C. Dulles Intl
19 Nov
IAD3:35 p.m.Washington, D.C. Dulles Intl
8h 24m
1 stop
YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 19 September 2025.
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

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 16/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 19/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 266

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 16/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 23/10

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 267

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 16/10

7:25 a.m.-8:59 a.m.

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 19/10

6:00 a.m.-11:39 a.m.

1 stop5h 39m

C$ 277

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 16/10

6:10 p.m.-7:44 p.m.

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 19/10

6:59 a.m.-8:31 a.m.

Nonstop1h 32m

C$ 279

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 15/10

6:30 a.m.-11:01 a.m.

1 stop28h 31m

Baltimore/Washington

Wed 22/10

5:20 p.m.-2:05 p.m.

1 stop20h 45m

C$ 284

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 31/10

12:50 p.m.-8:46 p.m.

1 stop7h 56m

Baltimore/Washington

Fri 7/11

9:37 p.m.-2:20 p.m.

1 stop16h 43m

C$ 295

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 8/10

12:45 p.m.-2:25 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 1/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 302

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 29/10

2:45 p.m.-4:27 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Mon 10/11

6:00 a.m.-11:48 a.m.

1 stop5h 48m

C$ 314

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 9/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 13/10

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 321

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 11/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 13/10

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

If you aren’t able to travel during the month of April, then book flights to Washington, D.C. from Region of Ontario during August instead. Flights to Washington, D.C. in August, while not as cheap as those in April, still average around C$ 303.

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

The cheapest day to depart from Region of Ontario to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 508. The most expensive day to fly to Washington, D.C. is Monday, with ticket prices averaging around C$ 826.

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 C$ 472. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 766 per ticket.

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 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 C$ 393 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 C$ 353 on momondo.

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

There are 4 cabin classes available to choose from on 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

C$ 154

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Region of Ontario in the past 72 hours is C$ 154. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 258.
The fastest flight from Region of Ontario to Washington, D.C. takes 1h 28m
Direct flights go from Region of Ontario to Washington, D.C. every day.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
  • When did momondo last update prices for flights from Ontario to Washington, D.C.?

    Prices for flights from Ontario to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search 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 you'll need for your trip to Washington, D.C. 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.. 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.?

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
Porter AirlinesPriceFrom C$ 184Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 199Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 204Free CancellationRating
7.7
441 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 210Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 268Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom C$ 309Free CancellationRating
7.9
7,964 reviews
Search Delta flights
WestJetPriceFrom C$ 383Free CancellationRating
7.2
3,095 reviews
Search WestJet flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Linthicum Heights
Bethesda
Silver Spring
Herndon
Reston
Fairfax
Laurel
Capitol Heights
Arlington
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search for Ontario to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington, D.C. from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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1 adult
Sun 19/10
Sun 26/10

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 36.1 km from Washington, D.C.