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Cheap flights from Ontario to Washington, D.C. Reagan-National Airport from C$ 176

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Reagan-National
Explore the most affordable flight options available from Ontario to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Wed 31/125:19 p.m.YYZ - DCA
Nonstop1h 45mAmerican Airlines
Fri 9/11:44 p.m.DCA - YYZ
1 stop9h 15mAmerican Airlines
Deal found 17/12C$ 368
Wed 31/126:45 p.m.YYZ - DCA
1 stop5h 14mUnited Airlines
Fri 9/110:30 a.m.DCA - YYZ
1 stop5h 32mUnited Airlines
Deal found 17/12C$ 422
Wed 31/129:00 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Fri 9/16:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 17/12C$ 434
Wed 31/126:45 p.m.YYZ - DCA
1 stop5h 14mUnited Airlines
Fri 2/16:00 p.m.DCA - YYZ
1 stop5h 19mUnited Airlines
Deal found 17/12C$ 442
Thu 25/129:00 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Thu 29/18:40 p.m.DCA - YYZ
Nonstop1h 37mAir Canada
Deal found 16/12C$ 497
Wed 24/128:25 a.m.YUL - DCA
Nonstop1h 56mAir Canada
Fri 2/14:10 p.m.DCA - YUL
Nonstop1h 45mAir Canada
Deal found 17/12C$ 502
Mon 22/127:20 a.m.YYZ - DCA
Nonstop1h 35mAir Canada
Mon 29/126:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 15/12C$ 504
Fri 26/1210:30 a.m.YUL - DCA
2 stops7h 35mAir Canada
Tue 30/126:00 a.m.DCA - YUL
Nonstop1h 45mAir Canada
Deal found 16/12C$ 513
Wed 24/128:25 a.m.YUL - DCA
Nonstop1h 56mAir Canada
Wed 31/126:59 a.m.DCA - YUL
1 stop6h 23mAir Canada
Deal found 17/12C$ 518
Wed 24/124:45 p.m.YUL - DCA
1 stop7h 14mUnited Airlines
Wed 31/124:26 p.m.DCA - YUL
1 stop5h 16mUnited Airlines
Deal found 16/12C$ 521
Mon 29/126:10 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Wed 31/126:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 16/12C$ 524
Sun 28/128:25 a.m.YUL - DCA
Nonstop1h 56mAir Canada
Sat 10/16:00 a.m.DCA - YUL
Nonstop1h 45mAir Canada
Deal found 16/12C$ 524

Find flight deals from Ontario to Reagan-National

Keep the following information in mind while searching for Ontario to Reagan-National flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 277

One-way from

C$ 176

Popular in

June

Cheapest in

October

Average price

C$ 372

Good round-trip deal

C$ 417 or less

Good one-way deal

C$ 259 or less
American Airlines
  • American Airlines
  • 15/1-22/1
  • Nonstop
  • 3h 37m total
  • Ontario to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 6/3
  • Nonstop
  • 1h 35m total
  • Ontario to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Ontario to Washington, D.C. Reagan-National.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Reagan-National 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, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Ontario to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Ontario

Fly to

Reagan-National

Route

Depart

Return

Price

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 6/2

5:15 p.m.-7:14 p.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 10/2

10:12 a.m.-11:59 a.m.

Nonstop1h 47m

C$ 277

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 15/1

10:30 a.m.-3:31 p.m.

1 stop5h 01m

Washington, D.C. Reagan-National

Mon 19/1

12:55 p.m.-6:13 p.m.

1 stop5h 18m

C$ 287

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 15/1

10:30 a.m.-3:31 p.m.

1 stop5h 01m

Washington, D.C. Reagan-National

Tue 20/1

12:55 p.m.-6:13 p.m.

1 stop5h 18m

C$ 287

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 28/1

10:30 a.m.-3:33 p.m.

1 stop5h 03m

Washington, D.C. Reagan-National

Sun 1/2

12:55 p.m.-6:13 p.m.

1 stop5h 18m

C$ 287

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 30/1

8:30 a.m.-3:33 p.m.

1 stop7h 03m

Washington, D.C. Reagan-National

Fri 6/2

12:55 p.m.-6:10 p.m.

1 stop5h 15m

C$ 287

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 15/1

6:10 p.m.-7:45 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Thu 22/1

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

Nonstop1h 36m

C$ 288

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 16/1

9:00 p.m.-10:35 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Thu 22/1

8:40 p.m.-10:17 p.m.

Nonstop1h 37m

C$ 288

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 5/2

6:25 p.m.-7:59 p.m.

Nonstop1h 34m

Washington, D.C. Reagan-National

Tue 24/2

6:50 p.m.-8:27 p.m.

Nonstop1h 37m

C$ 288

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 16/1

5:15 p.m.-7:14 p.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 20/1

12:45 p.m.-7:00 p.m.

1 stop6h 15m

C$ 291

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 12/1

5:15 p.m.-7:14 p.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Sun 18/1

6:35 a.m.-3:00 p.m.

1 stop8h 25m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

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Best time to book a flight from Ontario to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of C$ 183). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 285). 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 ON to DCA?

Find hourly flight availability from Ontario to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

It’s optimal to fly from Region of Ontario to Washington, D.C. Reagan-National Airport at noon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the evening.

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

Explore weekly flight availability from Ontario to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2025.

The most flights from CAON to DCA are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Related info for your journey

Find useful and relevant information for your journey from Ontario to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as C$ 277, American Airlines can have you in Washington, D.C. Reagan-National Airport from Region of Ontario in 1h 59m. Region of Ontario and Washington, D.C. Reagan-National Airport are separated by a distance of 578 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 177 on Air Canada. Other airlines that offer cheap prices include American Airlines from C$ 212 and United Airlines from C$ 213 one-way.

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

    Most travellers choose Toronto Pearson Intl - Washington, D.C. Reagan-National, Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Reagan-National or Ottawa - Washington, D.C. Reagan-National when deciding on the best route from Region of Ontario to Washington, D.C. Reagan-National Airport.

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Washington, D.C. Reagan-National Airport consider choosing Air Canada (65%), Jazz (65%) or American Airlines (54%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for C$ 202. While the most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National) can be booked for C$ 302 on average, our data indicates C$ 438 when flying from Region of Ontario to Washington, D.C. Reagan-National Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Reagan-National 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 Region of Ontario to Washington, D.C. Reagan-National Airport?

    Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of C$ 183). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 285). 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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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Alternative routes for Ontario to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dulles Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to Baltimore flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Vancouver Intl to Dulles Intl flights
Ottawa to Dulles Intl flights
Vancouver Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Baltimore flights
Ottawa to Reagan-National flights
Vancouver Intl to Reagan-National flights
Toronto Island to Reagan-National flights
Toronto Island to Baltimore flights
Calgary to Dulles Intl flights
Winnipeg to Reagan-National flights
Calgary to Reagan-National flights
Calgary to Baltimore flights
Winnipeg to Dulles Intl flights
Ottawa to Baltimore flights
Winnipeg to Baltimore flights
Halifax to Reagan-National flights
Edmonton to Dulles Intl flights
Edmonton to Reagan-National flights
Edmonton to Baltimore flights
Halifax to Dulles Intl flights
Victoria to Baltimore flights
Québec City to Dulles Intl flights
Québec City to Reagan-National flights
Thunder Bay to Dulles Intl flights
Kelowna to Dulles Intl flights
Québec City to Baltimore flights
Regina to Dulles Intl flights
Kelowna to Reagan-National flights
Halifax to Baltimore flights
Fort McMurray to Baltimore flights
Regina to Reagan-National flights
London to Dulles Intl flights
Victoria to Dulles Intl flights
Victoria to Reagan-National flights
Fredericton to Dulles Intl flights
Saskatoon to Reagan-National flights
Fort McMurray to Reagan-National flights
London to Baltimore flights
Kamloops to Dulles Intl flights
Regina to Baltimore flights
St. John's to Dulles Intl flights
Saskatoon to Baltimore flights
Kamloops to Baltimore flights

Top 5 airlines flying from Ontario to Reagan-National

Discover the top 5 airlines that operate flights from Ontario to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 184AverageC$ 271FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 199AverageC$ 359FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 263AverageC$ 414FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 293AverageC$ 445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 382AverageC$ 805FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Reagan-National?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Reagan-National. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Ontario.

Can Cheapflights find flights from Ontario to Reagan-National with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Reagan-National, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Reagan-National become cheaper?

Yes! Start tracking prices for Ontario to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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