Cheap flights from Ontario to Washington, D.C. Reagan-National Airport from C$ 181

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 15 September 2025.

Round-trip from

C$ 274

One-way from

C$ 184

Popular in

June

Cheapest in

April

Average price

C$ 326

Good round-trip deal

C$ 406 or less

Good one-way deal

C$ 454 or less
Air Canada
  • Air Canada
  • 28/11-28/11
  • 1 total stop
  • 5h 41m total
  • Ontario to Washington, D.C.
Air Canada
  • Air Canada
  • 28/10
  • 1 total stop
  • 5h 26m total
  • Ontario to Washington, D.C.
Highest demand for flights based on searches. 6% potential increase in price (C$ 32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Ontario to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Ontario to Washington, D.C. Reagan-National.

Find flight deals from Ontario to Reagan-National

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 15 September 2025.

Fri 28/118:15 a.m.YYZ - DCA
1 stop4h 04mAir Canada
Fri 28/118:40 p.m.DCA - YYZ
Nonstop1h 37mAir Canada
Deal found 15/9C$ 274
Tue 7/107:25 a.m.YYZ - DCA
Nonstop1h 34mAir Canada
Wed 8/106:59 a.m.DCA - YYZ
Nonstop1h 32mAir Canada
Deal found 15/9C$ 280
Wed 12/118:30 a.m.YTZ - DCA
1 stop7h 01mAir Canada
Fri 14/116:00 a.m.DCA - YTZ
1 stop5h 55mAir Canada
Deal found 14/9C$ 286
Thu 9/106:15 a.m.YYZ - DCA
1 stop4h 05mAir Canada
Sun 12/106:00 a.m.DCA - YYZ
1 stop4h 39mAir Canada
Deal found 15/9C$ 289
Wed 1/106:10 p.m.YYZ - DCA
Nonstop1h 34mAir Canada
Wed 15/106:59 a.m.DCA - YYZ
Nonstop1h 32mAir Canada
Deal found 15/9C$ 293
Wed 12/118:15 a.m.YYZ - DCA
1 stop4h 04mAir Canada
Fri 14/116:00 a.m.DCA - YYZ
1 stop4h 49mAir Canada
Deal found 14/9C$ 294
Sun 5/108:10 a.m.YYZ - DCA
1 stop3h 58mAir Canada
Wed 8/106:00 a.m.DCA - YYZ
1 stop4h 39mAir Canada
Deal found 14/9C$ 297
Sat 1/115:30 p.m.YTZ - DCA
1 stop4h 26mAir Canada
Tue 4/114:10 p.m.DCA - YTZ
1 stop5h 25mAir Canada
Deal found 15/9C$ 298
Sat 25/105:15 p.m.YYZ - DCA
Nonstop1h 40mAmerican Airlines
Sat 1/1110:14 a.m.DCA - YYZ
Nonstop1h 45mAmerican Airlines
Deal found 13/9C$ 300
Tue 7/107:25 a.m.YYZ - DCA
Nonstop1h 34mAir Canada
Sun 19/106:59 a.m.DCA - YYZ
Nonstop1h 32mAir Canada
Deal found 13/9C$ 303
Fri 17/108:10 a.m.YYZ - DCA
1 stop3h 58mAir Canada
Sun 19/106:00 a.m.DCA - YYZ
1 stop4h 39mAir Canada
Deal found 14/9C$ 305
Sat 25/105:25 p.m.YTZ - DCA
1 stop4h 26mAir Canada
Sun 26/1012:55 p.m.DCA - YTZ
1 stop5h 18mAir Canada
Deal found 14/9C$ 305

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 15 September 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.

YTZ - DCA

YTZDCA

Toronto Island

Wed 12/11

8:30 a.m.-3:31 p.m.

1 stop7h 01m

Washington, D.C. Reagan-National

Fri 14/11

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 286

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 28/10

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

Nonstop1h 35m

Washington, D.C. Reagan-National

Tue 4/11

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

Nonstop1h 36m

C$ 287

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 1/11

5:30 p.m.-9:56 p.m.

1 stop4h 26m

Washington, D.C. Reagan-National

Tue 4/11

4:10 p.m.-9:35 p.m.

1 stop5h 25m

C$ 298

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 9/12

10:58 a.m.-12:40 p.m.

Nonstop1h 42m

Washington, D.C. Reagan-National

Wed 10/12

2:54 p.m.-4:35 p.m.

Nonstop1h 41m

C$ 300

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 12/11

8:30 a.m.-3:31 p.m.

1 stop7h 01m

Washington, D.C. Reagan-National

Sat 15/11

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 305

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 25/10

5:25 p.m.-9:51 p.m.

1 stop4h 26m

Washington, D.C. Reagan-National

Sun 26/10

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

1 stop5h 18m

C$ 305

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 1/11

5:30 p.m.-9:56 p.m.

1 stop4h 26m

Washington, D.C. Reagan-National

Thu 6/11

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

1 stop5h 18m

C$ 307

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 1/11

5:00 p.m.-9:56 p.m.

1 stop4h 56m

Washington, D.C. Reagan-National

Tue 4/11

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

Nonstop1h 37m

C$ 308

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 25/10

5:00 p.m.-9:51 p.m.

1 stop4h 51m

Washington, D.C. Reagan-National

Sat 1/11

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

Nonstop1h 37m

C$ 308

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 23/10

10:25 a.m.-3:51 p.m.

1 stop5h 26m

Washington, D.C. Reagan-National

Tue 28/10

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 309

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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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, March 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$ 263). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 332). 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 15 September 2025.

When flying from Region of Ontario to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15 September 2025.

The most flights from CAON to DCA are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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$ 300, Air Canada can have you in Washington, D.C. Reagan-National Airport from Region of Ontario in 1h 42m. 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 most popular routes 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 American Airlines (69%), PSA Airlines (69%) or Air Canada (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$ 272. While the most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National) can be booked for C$ 322 on average, our data indicates C$ 1,163 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, March 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$ 263). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 332). 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
Herndon
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Alexandria
Manassas
Fredericksburg
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.

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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 185AverageC$ 290FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 211AverageC$ 406FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 265AverageC$ 421FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 319AverageC$ 433FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 383AverageC$ 457FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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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