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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from C$ 149

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. Reagan-National Airport to Ontario departing on 5/5. 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. Reagan-National Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:59 a.m. - 8:31 a.m.
DCA
-
YYZ
1h 32mdirect
Air Canada Logo
8:55 p.m. - 10:28 p.m.
YYZ
-
DCA
1h 33mdirect
C$ 318Air Canada
Sat, 16 May - Mon, 18 May
Air Canada Logo
12:45 p.m. - 6:22 p.m.
DCA
-
YTZ
5h 37m
1 stop
Air Canada Logo
7:40 a.m. - 12:01 p.m.
YTZ
-
DCA
4h 21m
1 stop
C$ 318Air Canada
Sun, 17 May - Sun, 24 May
Air Canada Logo
6:59 a.m. - 8:31 a.m.
DCA
-
YYZ
1h 32mdirect
Air Canada Logo
8:55 p.m. - 10:28 p.m.
YYZ
-
DCA
1h 33mdirect
C$ 319Air Canada
Sat, 2 May - Sat, 9 May
Air Canada Logo
6:59 a.m. - 8:31 a.m.
DCA
-
YYZ
1h 32mdirect
Air Canada Logo
7:20 a.m. - 8:53 a.m.
YYZ
-
DCA
1h 33mdirect
C$ 321Air Canada
Sun, 17 May - Sun, 24 May
Air Canada Logo
4:20 p.m. - 9:32 p.m.
DCA
-
YTZ
5h 12m
1 stop
Air Canada Logo
7:40 a.m. - 12:01 p.m.
YTZ
-
DCA
4h 21m
1 stop
C$ 321Air Canada
Sat, 2 May - Sat, 9 May
Air Canada Logo
6:59 a.m. - 8:31 a.m.
DCA
-
YYZ
1h 32mdirect
Air Canada Logo
8:10 a.m. - 12:01 p.m.
YYZ
-
DCA
3h 51m
1 stop
C$ 322Air Canada
Sat, 2 May - Sat, 9 May
Multiple Airlines Logo
6:00 a.m. - 12:20 a.m.
DCA
-
YOW
18h 20m
2 stops
Multiple Airlines Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 531Multiple Airlines
Fri, 1 May - Sun, 3 May
United Airlines Logo
11:00 a.m. - 2:58 p.m.
DCA
-
YXU
3h 58m
1 stop
United Airlines Logo
5:10 a.m. - 8:53 a.m.
YXU
-
DCA
3h 43m
1 stop
C$ 977United Airlines
Fri, 12 Jun - Wed, 17 Jun
United Airlines Logo
6:59 a.m. - 11:43 a.m.
DCA
-
YXU
4h 44m
1 stop
United Airlines Logo
9:30 a.m. - 5:25 p.m.
YXU
-
DCA
7h 55m
2 stops
C$ 998United Airlines
Fri, 1 May - Fri, 8 May
United Airlines Logo
11:00 a.m. - 5:33 p.m.
DCA
-
YXU
6h 33m
1 stop
United Airlines Logo
12:20 p.m. - 8:10 p.m.
YXU
-
DCA
7h 50m
2 stops
C$ 1,033United Airlines
Sun, 17 May - Sun, 24 May

United Airlines flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets
United Airlines
21 Apr
DCA6:15 a.m.Washington, D.C. Reagan-National
5h 34m
1 stop
YYZ11:49 a.m.Toronto Pearson Intl
21 Apr
YYZ3:00 p.m.Toronto Pearson Intl
4h 31m
1 stop
DCA7:31 p.m.Washington, D.C. Reagan-National
C$ 388
United Airlines
17 Apr
DCA7:00 a.m.Washington, D.C. Reagan-National
4h 43m
1 stop
YYZ11:43 a.m.Toronto Pearson Intl
17 Apr
YYZ2:45 p.m.Toronto Pearson Intl
8h 03m
1 stop
DCA10:48 p.m.Washington, D.C. Reagan-National
C$ 463
United Airlines
31 May
DCA8:30 a.m.Washington, D.C. Reagan-National
4h 39m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
6 Jun
YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl
5h 34m
1 stop
DCA4:57 p.m.Washington, D.C. Reagan-National
C$ 513

Air Canada flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets
Air Canada
16 May
DCA6:59 a.m.Washington, D.C. Reagan-National
1h 32m
YYZ8:31 a.m.Toronto Pearson Intl
18 May
YYZ8:55 p.m.Toronto Pearson Intl
1h 33m
DCA10:28 p.m.Washington, D.C. Reagan-National
C$ 318
Air Canada
2 May
DCA6:59 a.m.Washington, D.C. Reagan-National
1h 32m
YYZ8:31 a.m.Toronto Pearson Intl
9 May
YYZ8:55 p.m.Toronto Pearson Intl
1h 33m
DCA10:28 p.m.Washington, D.C. Reagan-National
C$ 319
Air Canada
17 May
DCA6:59 a.m.Washington, D.C. Reagan-National
1h 32m
YYZ8:31 a.m.Toronto Pearson Intl
24 May
YYZ7:20 a.m.Toronto Pearson Intl
1h 33m
DCA8:53 a.m.Washington, D.C. Reagan-National
C$ 321

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 5 April 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 16/5

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

Nonstop1h 32m

Toronto Pearson Intl

Mon 18/5

8:55 p.m.-10:28 p.m.

Nonstop1h 33m

C$ 318

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sun 17/5

12:45 p.m.-6:22 p.m.

1 stop5h 37m

Toronto Island

Sun 24/5

7:40 a.m.-12:01 p.m.

1 stop4h 21m

C$ 318

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 2/5

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

Nonstop1h 32m

Toronto Pearson Intl

Sat 9/5

8:55 p.m.-10:28 p.m.

Nonstop1h 33m

C$ 319

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 17/5

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

Nonstop1h 32m

Toronto Pearson Intl

Sun 24/5

7:20 a.m.-8:53 a.m.

Nonstop1h 33m

C$ 321

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 2/5

4:20 p.m.-9:32 p.m.

1 stop5h 12m

Toronto Island

Sat 9/5

7:40 a.m.-12:01 p.m.

1 stop4h 21m

C$ 321

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 2/5

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

Nonstop1h 32m

Toronto Pearson Intl

Sat 9/5

8:10 a.m.-12:01 p.m.

1 stop3h 51m

C$ 322

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 1/5

6:00 a.m.-12:20 a.m.

2 stops18h 20m

Ottawa

Sun 3/5

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 531

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 12/6

11:00 a.m.-2:58 p.m.

1 stop3h 58m

London

Wed 17/6

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 977

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 1/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Fri 8/5

9:30 a.m.-5:25 p.m.

2 stops7h 55m

C$ 998

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 17/5

11:00 a.m.-5:33 p.m.

1 stop6h 33m

London

Sun 24/5

12:20 p.m.-8:10 p.m.

2 stops7h 50m

C$ 1,033

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. Reagan-National Airport 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, March is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 396. If you are unable to visit Region of Ontario during the month of March, then departing from Washington, D.C. Reagan-National Airport during the month April is also very affordable. Most momondo users find prices during this month for around C$ 406.

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 281. The most expensive day to fly to Region of Ontario is Tuesday, with ticket prices averaging around C$ 531.

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 afternoon. Flights from Washington, D.C. Reagan-National Airport to Region of Ontario during this time can be as low as C$ 305. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 400 on average. Flights to Region of Ontario from Washington, D.C. Reagan-National Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Washington, D.C. Reagan-National to Toronto Pearson Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 488 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. Reagan-National Airport for as low as C$ 385 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National Airport to Region of Ontario flights?

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Region of Ontario flight.

Cheap Washington, D.C. Reagan-National Airport to Region of Ontario flight deals and tips

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

Best price found

C$ 199

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Washington, D.C. Reagan-National Airport in the past 72 hours is C$ 199. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Region of Ontario found on momondo in the last 72 hours is C$ 208.
The fastest flight from Washington, D.C. Reagan-National Airport to Region of Ontario takes 1h 27m
Direct flights go from Washington, D.C. Reagan-National Airport to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW), Toronto Pearson Intl (YYZ).
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ontario

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Ontario were last updated today.

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

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

    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 Washington, D.C. Reagan-National Airport to Ontario.

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

    The travel and health documents you'll need for your trip to Ontario 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 Ontario. 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 Washington, D.C. Reagan-National Airport to Region of Ontario?

Best airlines flying from Washington, D.C. Reagan-National Airport to Region of Ontario

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 298Free CancellationRating
7.1
10,894 reviews
Search Air Canada 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 helps you find the best flight between Washington, D.C. and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Washington, D.C. to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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