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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 14/1. 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

Enter your travel dates to find the best prices.
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
Porter Airlines Logo
1:50 p.m. - 3:20 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 274Porter Airlines
Sun, 1 Feb - Sat, 28 Feb
American Airlines Logo
10:59 a.m. - 12:49 p.m.
YYZ
-
DCA
1h 50mdirect
American Airlines Logo
2:48 p.m. - 4:35 p.m.
DCA
-
YYZ
1h 47mdirect
C$ 277American Airlines
Thu, 15 Jan - Thu, 22 Jan
Air Canada Logo
6:55 p.m. - 8:26 p.m.
YYZ
-
IAD
1h 31mdirect
Air Canada Logo
9:00 a.m. - 10:29 a.m.
IAD
-
YYZ
1h 29mdirect
C$ 277Air Canada
Thu, 15 Jan - Tue, 20 Jan
Air Canada Logo
7:10 a.m. - 12:19 p.m.
YYZ
-
DCA
5h 09m1 stop
Air Canada Logo
6:59 a.m. - 8:35 a.m.
DCA
-
YYZ
1h 36mdirect
C$ 278Air Canada
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
8:50 a.m. - 10:19 a.m.
YTZ
-
IAD
1h 29mdirect
Porter Airlines Logo
11:35 a.m. - 1:09 p.m.
IAD
-
YTZ
1h 34mdirect
C$ 278Porter Airlines
Fri, 16 Jan - Fri, 23 Jan
Air Canada Logo
2:15 p.m. - 3:46 p.m.
YYZ
-
IAD
1h 31mdirect
Air Canada Logo
9:00 a.m. - 10:29 a.m.
IAD
-
YYZ
1h 29mdirect
C$ 278Air Canada
Thu, 8 Jan - Sun, 11 Jan
Air Canada Logo
7:10 a.m. - 12:19 p.m.
YYZ
-
DCA
5h 09m1 stop
Air Canada Logo
6:59 a.m. - 8:35 a.m.
DCA
-
YYZ
1h 36mdirect
C$ 282Air Canada
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
3:45 p.m. - 5:14 p.m.
YTZ
-
IAD
1h 29mdirect
Porter Airlines Logo
6:30 p.m. - 8:00 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 282Porter Airlines
Fri, 10 Apr - Sun, 12 Apr
United Airlines Logo
9:45 a.m. - 11:49 a.m.
YOW
-
IAD
2h 04mdirect
United Airlines Logo
5:10 p.m. - 6:52 p.m.
IAD
-
YOW
1h 42mdirect
C$ 380United Airlines
Sat, 17 Jan - Sun, 25 Jan
United Airlines Logo
3:10 p.m. - 9:22 p.m.
YOW
-
IAD
6h 12m1 stop
United Airlines Logo
5:10 p.m. - 6:52 p.m.
IAD
-
YOW
1h 42mdirect
C$ 401United Airlines
Sat, 17 Jan - Sun, 25 Jan

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
1 Feb
YTZ8:50 a.m.Toronto Island
1h 32m
IAD10:22 a.m.Washington, D.C. Dulles Intl
28 Feb
IAD1:50 p.m.Washington, D.C. Dulles Intl
1h 30m
YTZ3:20 p.m.Toronto Island
C$ 274
Find similar
Porter Airlines
16 Jan
YTZ8:50 a.m.Toronto Island
1h 29m
IAD10:19 a.m.Washington, D.C. Dulles Intl
23 Jan
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 34m
YTZ1:09 p.m.Toronto Island
C$ 278
Find similar
Porter Airlines
10 Apr
YTZ3:45 p.m.Toronto Island
1h 29m
IAD5:14 p.m.Washington, D.C. Dulles Intl
12 Apr
IAD6:30 p.m.Washington, D.C. Dulles Intl
1h 30m
YTZ8:00 p.m.Toronto Island
C$ 282
Find similar

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
15 Jan
YYZ6:55 p.m.Toronto Pearson Intl
1h 31m
IAD8:26 p.m.Washington, D.C. Dulles Intl
20 Jan
IAD9:00 a.m.Washington, D.C. Dulles Intl
1h 29m
YYZ10:29 a.m.Toronto Pearson Intl
C$ 277
Find similar
Air Canada
8 Jan
YYZ2:15 p.m.Toronto Pearson Intl
1h 31m
IAD3:46 p.m.Washington, D.C. Dulles Intl
11 Jan
IAD9:00 a.m.Washington, D.C. Dulles Intl
1h 29m
YYZ10:29 a.m.Toronto Pearson Intl
C$ 278
Find similar
Air Canada
8 Jan
YYZ6:55 p.m.Toronto Pearson Intl
1h 31m
IAD8:26 p.m.Washington, D.C. Dulles Intl
13 Jan
IAD9:00 a.m.Washington, D.C. Dulles Intl
1h 29m
YYZ10:29 a.m.Toronto Pearson Intl
C$ 282
Find similar

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 18 December 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

Sun 1/2

8:50 a.m.-10:22 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 28/2

1:50 p.m.-3:20 p.m.

Nonstop1h 30m

C$ 274

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 15/1

10:59 a.m.-12:49 p.m.

Nonstop1h 50m

Washington, D.C. Reagan-National

Thu 22/1

2:48 p.m.-4:35 p.m.

Nonstop1h 47m

C$ 277

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 15/1

6:55 p.m.-8:26 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 20/1

9:00 a.m.-10:29 a.m.

Nonstop1h 29m

C$ 277

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 8/1

7:10 a.m.-12:19 p.m.

1 stop5h 09m

Washington, D.C. Reagan-National

Sun 11/1

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

C$ 278

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 16/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 23/1

11:35 a.m.-1:09 p.m.

Nonstop1h 34m

C$ 278

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 8/1

2:15 p.m.-3:46 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 11/1

9:00 a.m.-10:29 a.m.

Nonstop1h 29m

C$ 278

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 8/1

7:10 a.m.-12:19 p.m.

1 stop5h 09m

Washington, D.C. Reagan-National

Sun 11/1

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

C$ 282

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/4

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/4

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 282

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

9:45 a.m.-11:49 a.m.

Nonstop2h 04m

Washington, D.C. Dulles Intl

Sun 25/1

5:10 p.m.-6:52 p.m.

Nonstop1h 42m

C$ 380

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

3:10 p.m.-9:22 p.m.

1 stop6h 12m

Washington, D.C. Dulles Intl

Sun 25/1

5:10 p.m.-6:52 p.m.

Nonstop1h 42m

C$ 401

Flights are sorted by cheapest round-trip flights 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 October, then book flights to Washington, D.C. from Region of Ontario during April instead. Flights to Washington, D.C. in April, while not as cheap as those in October, 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$ 501. The most expensive day to fly to Washington, D.C. is Monday, with ticket prices averaging around C$ 837.

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$ 477. 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$ 805 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$ 398 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$ 331 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?

You could potentially save up to 12% on your flight if you consider stops on a Region of Ontario to Washington, D.C. flight.

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$ 163

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 C$ 163. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 267.
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

  • 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
8.0
399 reviews
Search Porter Airlines flights
American AirlinesPriceFrom C$ 199Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
Air TransatPriceFrom C$ 209Free CancellationRating
7.8
483 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 238Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 260Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom C$ 309Free CancellationRating
7.9
8,006 reviews
Search Delta flights
WestJetPriceFrom C$ 382Free CancellationRating
7.2
3,204 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
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Gaithersburg
Reston
Herndon
Laurel
Arlington
Capitol Heights
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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport