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Cheap flights from Washington, D.C. to Ontario from C$ 111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ontario departing on 3/2. 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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Find the cheapest flights from Washington, D.C. to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.
IAD
-
YTZ
1h 30mdirect
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
C$ 250Porter Airlines
Sun, 8 Feb - Thu, 12 Feb
Porter Airlines Logo
11:35 a.m. - 1:09 p.m.
IAD
-
YTZ
1h 34mdirect
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
C$ 251Porter Airlines
Thu, 29 Jan - Mon, 2 Feb
Porter Airlines Logo
6:30 p.m. - 8:00 p.m.
IAD
-
YTZ
1h 30mdirect
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
C$ 253Porter Airlines
Sun, 15 Feb - Wed, 18 Feb
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.
IAD
-
YTZ
1h 30mdirect
Porter Airlines Logo
3:45 p.m. - 5:14 p.m.
YTZ
-
IAD
1h 29mdirect
C$ 254Porter Airlines
Wed, 11 Feb - Sun, 15 Feb
Air Canada Logo
9:40 a.m. - 11:17 a.m.
DCA
-
YYZ
1h 37mdirect
Air Canada Logo
8:15 a.m. - 12:19 p.m.
YYZ
-
DCA
4h 04m
1 stop
C$ 255Air Canada
Thu, 5 Feb - Sun, 8 Feb
Air Canada Logo
6:00 a.m. - 10:49 a.m.
DCA
-
YYZ
4h 49m
1 stop
Air Canada Logo
7:10 a.m. - 12:19 p.m.
YYZ
-
DCA
5h 09m
1 stop
C$ 262Air Canada
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
6:15 a.m. - 2:20 p.m.
BWI
-
YYZ
8h 05m
1 stop
Multiple Airlines Logo
2:20 p.m. - 10:35 p.m.
YYZ
-
BWI
8h 15m
1 stop
C$ 301Multiple Airlines
Mon, 9 Feb - Wed, 18 Feb
Multiple Airlines Logo
9:18 a.m. - 2:20 p.m.
IAD
-
YYZ
29h 02m
1 stop
Multiple Airlines Logo
8:00 p.m. - 2:18 p.m.
YYZ
-
IAD
18h 18m
2 stops
C$ 311Multiple Airlines
Sun, 8 Feb - Sun, 22 Feb
United Airlines Logo
7:00 a.m. - 1:34 p.m.
DCA
-
YOW
6h 34m
1 stop
United Airlines Logo
5:11 p.m. - 10:52 p.m.
YOW
-
DCA
5h 41m
1 stop
C$ 390United Airlines
Tue, 24 Feb - Tue, 24 Feb
United Airlines Logo
3:05 p.m. - 10:06 p.m.
DCA
-
YUL
7h 01m
1 stop
United Airlines Logo
4:55 p.m. - 10:43 p.m.
YUL
-
DCA
5h 48m
1 stop
C$ 436United Airlines
Tue, 7 Apr - Tue, 21 Apr

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

Our best Air Canada deals on Washington, D.C. to Region of Ontario flight tickets
Air Canada
1 Mar
DCA9:40 a.m.Washington, D.C. Reagan-National
1h 35m
YYZ11:15 a.m.Toronto Pearson Intl
8 Mar
YYZ8:15 a.m.Toronto Pearson Intl
4h 04m
1 stop
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 253
Air Canada
5 Feb
DCA9:40 a.m.Washington, D.C. Reagan-National
1h 37m
YYZ11:17 a.m.Toronto Pearson Intl
8 Feb
YYZ8:15 a.m.Toronto Pearson Intl
4h 04m
1 stop
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 255
Air Canada
3 Mar
IAD9:00 a.m.Washington, D.C. Dulles Intl
1h 29m
YYZ10:29 a.m.Toronto Pearson Intl
6 Mar
YYZ6:55 p.m.Toronto Pearson Intl
1h 31m
IAD8:26 p.m.Washington, D.C. Dulles Intl
C$ 258

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

Our best United Airlines deals on Washington, D.C. to Region of Ontario flight tickets
United Airlines
27 Jan
IAD6:00 a.m.Washington, D.C. Dulles Intl
5h 48m
1 stop
YYZ11:48 a.m.Toronto Pearson Intl
27 Jan
YYZ2:45 p.m.Toronto Pearson Intl
1h 45m
IAD4:30 p.m.Washington, D.C. Dulles Intl
C$ 300
United Airlines
28 Jan
IAD12:35 p.m.Washington, D.C. Dulles Intl
1h 39m
YYZ2:14 p.m.Toronto Pearson Intl
30 Jan
YYZ2:45 p.m.Toronto Pearson Intl
1h 45m
IAD4:30 p.m.Washington, D.C. Dulles Intl
C$ 319
United Airlines
27 Jan
IAD8:20 a.m.Washington, D.C. Dulles Intl
7h 42m
1 stop
YYZ4:02 p.m.Toronto Pearson Intl
27 Jan
YYZ6:40 p.m.Toronto Pearson Intl
4h 38m
1 stop
IAD11:18 p.m.Washington, D.C. Dulles Intl
C$ 321

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Region of Ontario 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 15 January 2026.
Use the filters below to find and compare flights from Washington, D.C. to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 8/2

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Thu 12/2

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

Nonstop1h 32m

C$ 250

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 29/1

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

Nonstop1h 34m

Toronto Island

Mon 2/2

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

Nonstop1h 32m

C$ 251

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 15/2

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

Nonstop1h 30m

Toronto Island

Wed 18/2

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

Nonstop1h 32m

C$ 253

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 11/2

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 15/2

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

Nonstop1h 29m

C$ 254

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 5/2

9:40 a.m.-11:17 a.m.

Nonstop1h 37m

Toronto Pearson Intl

Sun 8/2

8:15 a.m.-12:19 p.m.

1 stop4h 04m

C$ 255

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 5/2

6:00 a.m.-10:49 a.m.

1 stop4h 49m

Toronto Pearson Intl

Sun 8/2

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

1 stop5h 09m

C$ 262

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 9/2

6:15 a.m.-2:20 p.m.

1 stop8h 05m

Toronto Pearson Intl

Wed 18/2

2:20 p.m.-10:35 p.m.

1 stop8h 15m

C$ 301

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 8/2

9:18 a.m.-2:20 p.m.

1 stop29h 02m

Toronto Pearson Intl

Sun 22/2

8:00 p.m.-2:18 p.m.

2 stops18h 18m

C$ 311

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 24/2

7:00 a.m.-1:34 p.m.

1 stop6h 34m

Ottawa

Tue 24/2

5:11 p.m.-10:52 p.m.

1 stop5h 41m

C$ 390

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 7/4

3:05 p.m.-10:06 p.m.

1 stop7h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

4:55 p.m.-10:43 p.m.

1 stop5h 48m

C$ 436

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 Ontario from

How to get the cheapest flight ticket from Washington, D.C. to Region of Ontario

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 Region of Ontario?

In general, June is the cheapest month to fly from Washington, D.C. to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 303. If you are unable to visit Region of Ontario during the month of June, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around C$ 364.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Washington, D.C. to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 339. The most expensive day to fly to Region of Ontario is Tuesday, with ticket prices averaging around C$ 427.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Washington, D.C. to Region of Ontario during this time can be as low as C$ 387. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 467 on average. Flights to Region of Ontario from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Washington, D.C. Reagan-National to Toronto Pearson Intl for the best Washington, D.C. - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Washington, D.C. for as low as C$ 373 on momondo.

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

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

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

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

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

Best price found

C$ 160

Fastest flight time

1h 18m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Washington, D.C. in the past 72 hours is C$ 160. The best round-trip flight deal from Washington, D.C. to Region of Ontario found on momondo in the last 72 hours is C$ 375.
The fastest flight from Washington, D.C. to Region of Ontario takes 1h 18m
Direct flights go from Washington, D.C. to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Washington, D.C. there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. to Ontario?

    Prices for flights from Washington, D.C. to Ontario refresh daily.

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

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

    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 Washington, D.C. to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Region of Ontario?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 158Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 165Free CancellationRating
8.0
407 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 252Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights
WestJetPriceFrom C$ 460Free CancellationRating
7.2
3,243 reviews
Search WestJet flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Ontario.

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

If you are not ready to book a flight from Washington, D.C. to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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