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

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Reagan-National to Ontario

Keep the following information in mind while searching for Reagan-National to Ontario flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 257

One-way from

C$ 119

Popular in

February

Cheapest in

April

Average price

C$ 362

Good round-trip deal

C$ 299 or less

Good one-way deal

C$ 152 or less
Air Canada
  • Air Canada
  • 19/7-21/7
  • Nonstop
  • 3h 06m total
  • Washington, D.C. to Ontario
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Air Canada
  • Air Canada
  • 18/8
  • 1 total stop
  • 4h 40m total
  • Washington, D.C. to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ontario.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ontario.
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Find flight deals from Reagan-National to Ontario

Cheapest flights from Reagan-National to Ontario
Explore the most affordable flight options available from Reagan-National to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Sat 19/76:40 p.m.DCA - YYZ
Nonstop1h 34mAir Canada
Mon 21/76:10 p.m.YYZ - DCA
Nonstop1h 32mAir Canada
Deal found 12/6C$ 257
Tue 15/74:30 p.m.DCA - YTZ
1 stop5h 01mAir Canada
Wed 16/710:25 a.m.YTZ - DCA
1 stop5h 23mAir Canada
Deal found 12/6C$ 276
Thu 26/66:00 a.m.DCA - YYZ
1 stop3h 49mAmerican Airlines
Thu 3/77:35 a.m.YYZ - DCA
1 stop3h 58mAmerican Airlines
Deal found 11/6C$ 305
Sat 19/79:39 a.m.DCA - YYZ
1 stop5h 06mDelta
Fri 25/73:55 p.m.YYZ - DCA
1 stop7h 04mDelta
Deal found 10/6C$ 320
Sun 27/78:40 p.m.DCA - YUL
1 stop5h 11mAir Canada
Sun 3/88:15 a.m.YUL - DCA
1 stop3h 48mAir Canada
Deal found 12/6C$ 355
Tue 22/79:05 a.m.DCA - YYZ
1 stop4h 42mUnited Airlines
Tue 22/75:15 p.m.YYZ - DCA
1 stop5h 27mUnited Airlines
Deal found 11/6C$ 377
Fri 25/712:55 p.m.DCA - YOW
Nonstop1h 32mAir Canada
Fri 1/810:25 a.m.YOW - DCA
Nonstop1h 38mAir Canada
Deal found 10/6C$ 409
Sat 21/612:10 p.m.DCA - YUL
2 stops11h 03mDelta
Wed 25/67:00 a.m.YUL - DCA
1 stop10h 20mDelta
Deal found 10/6C$ 420
Fri 11/78:30 a.m.DCA - YUL
1 stop8h 56mUnited Airlines
Wed 16/711:23 a.m.YUL - DCA
1 stop5h 05mUnited Airlines
Deal found 10/6C$ 468
Fri 25/710:20 p.m.DCA - YUL
1 stop11h 30mAmerican Airlines
Sun 27/77:47 a.m.YUL - DCA
1 stop13h 42mAmerican Airlines
Deal found 12/6C$ 487
Wed 27/86:00 a.m.DCA - YUL
Nonstop1h 45mMultiple Airlines
Wed 3/98:15 a.m.YUL - DCA
1 stop3h 53mMultiple Airlines
Deal found 11/6C$ 494
Thu 3/712:55 p.m.DCA - YOW
Nonstop1h 32mUnited Airlines
Thu 3/75:25 p.m.YOW - DCA
1 stop5h 17mUnited Airlines
Deal found 11/6C$ 621

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to 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, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
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

Reagan-National

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 19/7

6:40 p.m.-8:14 p.m.

Nonstop1h 34m

Toronto Pearson Intl

Mon 21/7

6:10 p.m.-7:42 p.m.

Nonstop1h 32m

C$ 257

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Tue 15/7

4:30 p.m.-9:31 p.m.

1 stop5h 01m

Toronto Island

Wed 16/7

10:25 a.m.-3:48 p.m.

1 stop5h 23m

C$ 276

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 26/6

6:00 a.m.-9:49 a.m.

1 stop3h 49m

Toronto Pearson Intl

Thu 3/7

7:35 a.m.-11:33 a.m.

1 stop3h 58m

C$ 305

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 19/7

9:39 a.m.-2:45 p.m.

1 stop5h 06m

Toronto Pearson Intl

Sat 26/7

6:04 a.m.-10:14 a.m.

1 stop4h 10m

C$ 320

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 27/7

8:40 p.m.-1:51 a.m.

1 stop5h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 3/8

8:15 a.m.-12:03 p.m.

1 stop3h 48m

C$ 355

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 22/7

9:05 a.m.-1:47 p.m.

1 stop4h 42m

Toronto Pearson Intl

Tue 22/7

5:15 p.m.-10:42 p.m.

1 stop5h 27m

C$ 377

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 25/7

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Fri 1/8

10:25 a.m.-12:03 p.m.

Nonstop1h 38m

C$ 409

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 23/6

6:00 a.m.-10:08 a.m.

1 stop4h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

11:00 a.m.-7:45 p.m.

2 stops8h 45m

C$ 420

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 11/7

7:00 a.m.-1:09 p.m.

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

6:15 a.m.-11:59 a.m.

1 stop5h 44m

C$ 468

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 23/6

7:29 a.m.-4:45 p.m.

1 stop9h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 29/6

4:00 p.m.-6:59 a.m.

1 stop14h 59m

C$ 472

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 36 results
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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
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 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, January 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$ 167). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 255). 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?

Find hourly flight availability from Reagan-National to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

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

Explore weekly flight availability from Reagan-National to Ontario. 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 12 June 2025.

The most flights from DCA to CAON are scheduled on a Wednesday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Washington, D.C. to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 119. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Region of Ontario for a low price.

  • 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 - Ottawa 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: United Airlines (81%), Air Canada (80%), Jazz( 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$ 234, our data shows the cheapest flight currently is C$ 127. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay C$ 269 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, January 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$ 167). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 255). 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

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Alternative routes for Reagan-National to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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 Vancouver Intl flights
Dulles Intl to Calgary flights
Dulles Intl to Toronto Island flights
Baltimore to Pearson Intl flights
Baltimore to Vancouver Intl flights
Reagan-National to Vancouver Intl flights
Baltimore to Calgary flights
Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Calgary flights
Baltimore to Toronto Island flights
Dulles Intl to Ottawa flights
Dulles Intl to Québec City flights
Dulles Intl to Halifax flights
Reagan-National to Québec City flights
Reagan-National to Ottawa flights
Baltimore to Halifax flights
Baltimore to Québec City flights
Dulles Intl to Edmonton flights
Baltimore to Ottawa flights
Dulles Intl to Abbotsford flights
Baltimore to Edmonton flights
Dulles Intl to Hamilton flights
Dulles Intl to Winnipeg flights
Reagan-National to Edmonton flights
Baltimore to Winnipeg flights
Dulles Intl to Charlottetown flights
Baltimore to Saskatoon flights
Reagan-National to Winnipeg flights
Reagan-National to Toronto Island flights
Dulles Intl to Victoria flights
Dulles Intl to Sault Ste Marie flights
Dulles Intl to Kelowna flights
Baltimore to Charlottetown flights
Baltimore to Sydney flights

Top 2 airlines flying from Reagan-National to Ontario

Discover the top 2 airlines that operate flights from Reagan-National to Ontario. 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 167AverageC$ 499FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 168AverageC$ 426FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Reagan-National to Ontario?

Cheapflights helps you search for flights from Reagan-National to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Ontario from Reagan-National.

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

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

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Not ready to book yet? You can track prices for flights from Reagan-National to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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