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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from C$ 119

DCA — YYZ
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to Ontario

Sun 6/128:45 p.m. -
Nonstop1h 33m
Sun 13/127:20 a.m. -
Nonstop1h 38m
Deal found 22/10C$ 274
Mon 7/129:40 a.m. -
Nonstop1h 33m
Mon 14/125:30 p.m. -
1 stop4h 29m
Deal found 23/10C$ 277
Tue 24/111:15 p.m. -
1 stop4h 34m
Tue 24/119:00 p.m. -
Nonstop1h 38m
Deal found 22/10C$ 279
Fri 6/118:45 p.m. -
Nonstop1h 33m
Sun 8/118:05 a.m. -
1 stop4h 14m
Deal found 21/10C$ 280
Mon 23/118:45 p.m. -
Nonstop1h 33m
Wed 25/118:05 a.m. -
1 stop4h 14m
Deal found 22/10C$ 281
Wed 11/118:45 p.m. -
Nonstop1h 33m
Wed 18/117:20 a.m. -
Nonstop1h 38m
Deal found 21/10C$ 283
Wed 11/114:05 p.m. -
1 stop5h 30m
Tue 24/119:00 p.m. -
Nonstop1h 38m
Deal found 22/10C$ 286
Sat 14/118:45 p.m. -
Nonstop1h 33m
Mon 16/117:10 a.m. -
1 stop5h 09m
Deal found 22/10C$ 287
Thu 5/116:59 a.m. -
Nonstop1h 33m
Sun 8/117:10 a.m. -
1 stop5h 09m
Deal found 20/10C$ 288
Fri 6/118:45 p.m. -
Nonstop1h 33m
Mon 9/118:05 a.m. -
1 stop4h 14m
Deal found 21/10C$ 290
Wed 18/116:59 a.m. -
Nonstop1h 33m
Wed 25/118:05 a.m. -
1 stop4h 14m
Deal found 21/10C$ 291
Thu 5/116:59 a.m. -
Nonstop1h 33m
Mon 9/119:00 p.m. -
Nonstop1h 38m
Deal found 21/10C$ 293

Find flight deals from Reagan-National to Ontario

Round-trip from

C$ 274

One-way from

C$ 119

Popular in

May

Cheapest in

January

Average price

C$ 405

Good round-trip deal

C$ 451 or less

Good one-way deal

C$ 183 or less
Air Canada
  • Air Canada
  • 6/12-13/12
  • Nonstop
  • 3h 11m total
  • Washington, D.C. to Ontario
Search Deals
Air Canada
  • Air Canada
  • 8/11-31/12
  • Nonstop
  • 1h 34m total
  • Washington, D.C. to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ontario.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ontario.
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Cheapflights Fare Finder

 
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

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sun 10/1

1:25 p.m.-5:49 p.m.

1 stop4h 24m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 14/1

10:05 a.m.-5:49 p.m.

1 stop7h 44m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 8/1

7:05 p.m.-11:59 p.m.

1 stop4h 54m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 125

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sun 8/11

11:05 a.m.-3:57 p.m.

1 stop4h 52m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 129

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 5/12

8:45 p.m.-10:18 p.m.

Nonstop1h 33m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 143

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Wed 11/11

5:20 p.m.-11:41 p.m.

1 stop6h 21m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 147

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 4/12

7:20 p.m.-11:07 p.m.

1 stop3h 47m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 147

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 17/11

5:20 p.m.-11:41 p.m.

1 stop6h 21m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 147

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 19/1

6:55 p.m.-8:28 p.m.

Nonstop1h 33m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 160

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 9/1

8:45 p.m.-10:18 p.m.

Nonstop1h 33m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 160

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Reagan-National with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ontario

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario (average of C$ 438). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 577). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to ON?

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Region of Ontario in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Washington, D.C. Reagan-National Airport to Region of Ontario

The most flights from DCA to CAON are scheduled on a Thursday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Region of Ontario?

Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to Region of Ontario flights typically cost between C$ 313 and C$ 505 in December.
The cheapest round-trip price found within the last 5 days was C$ 274 on Air Canada (6 Dec-13 Dec).

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario?

The best time to book flights from Washington, D.C. Reagan-National Airport to Region of Ontario is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Region of Ontario?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Region of Ontario flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Air Canada and American Airlines from Washington, D.C. Reagan-National Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,801 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
11,801 reviews
Air Canada
7.1
Good
11,801 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
American Airlines
7.0
Good
12,195 reviews
Air Canada
7.1
Good
11,801 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

  • How long is the flight from Washington, D.C. Reagan-National Airport to Region of Ontario?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Region of Ontario in 6h 21m. Fly via United Airlines to get the fastest option. The distance from Washington, D.C. Reagan-National Airport to Region of Ontario is about 578 km.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Region of Ontario?

    When deciding which route to take from Washington, D.C. Reagan-National Airport to Region of Ontario consider Washington, D.C. Reagan-National - Toronto Pearson Intl, Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl or Washington, D.C. Reagan-National - Toronto Island as they are the most popular.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Region of Ontario?

    Before booking your flight to Region of Ontario from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (82%), PSA Airlines (82%), British Airways( 80%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Region of Ontario?

    While on average a flight from Washington, D.C. Reagan-National Airport to Region of Ontario is generally C$ 412, our data shows the cheapest flight currently is C$ 126. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay C$ 266 for that flight.

  • Can I find deals for flights from Reagan-National to Ontario that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ontario.

  • Can I find deals for business class flights from Reagan-National to Ontario?

    Yes. Cheapflights offers flight deals from Reagan-National to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario (average of C$ 438). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 577). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Reagan-National to Ontario

Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Dulles Intl to Vancouver Intl flights
Reagan-National to Toronto Island flights
Reagan-National to Vancouver Intl flights
Baltimore to Toronto Island flights
Dulles Intl to Ottawa flights
Dulles Intl to Québec City flights
Baltimore to Vancouver Intl flights
Reagan-National to Ottawa flights
Dulles Intl to Calgary flights
Reagan-National to Québec City flights
Baltimore to Calgary flights
Reagan-National to Calgary flights
Baltimore to Ottawa flights
Baltimore to Québec City flights
Dulles Intl to Hamilton flights
Dulles Intl to Abbotsford flights
Dulles Intl to Edmonton flights
Dulles Intl to Halifax flights
Baltimore to Charlottetown flights
Dulles Intl to Winnipeg flights
Baltimore to Halifax flights
Reagan-National to Edmonton flights
Baltimore to Winnipeg flights
Reagan-National to Winnipeg flights
Dulles Intl to Charlottetown flights
Baltimore to Edmonton flights
Dulles Intl to Kelowna flights
Dulles Intl to Regina flights
Reagan-National to Victoria flights
Reagan-National to Regina flights
Baltimore to Saskatoon flights
Dulles Intl to Sault Ste Marie flights
Baltimore to Regina flights

Top 2 airlines flying from Reagan-National to Ontario

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 229AverageC$ 558FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 325AverageC$ 478FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Why should you use Cheapflights to find cheap flight tickets from Reagan-National to Ontario?

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Yes! Cheapflights helps users easily find flights from Reagan-National to Ontario with no change fees.

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