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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from C$ 133

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
30 May — 6 Jun1
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
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 30 April 2026.

Thu 14/56:00 a.m.
DCA
-
YTZ
1 stop5h 47m
Air Canada
Sun 17/57:40 a.m.
YTZ
-
DCA
1 stop4h 21m
Air Canada
Deal found 25/4C$ 260
Sun 7/612:45 p.m.
DCA
-
YTZ
1 stop5h 37m
Air Canada
Wed 10/68:20 a.m.
YTZ
-
DCA
1 stop3h 41m
Air Canada
Deal found 29/4C$ 261
Wed 3/66:00 a.m.
DCA
-
YTZ
1 stop5h 52m
Air Canada
Fri 5/68:20 a.m.
YTZ
-
DCA
1 stop3h 41m
Air Canada
Deal found 28/4C$ 264
Sat 6/64:20 p.m.
DCA
-
YTZ
1 stop5h 12m
Air Canada
Thu 11/68:20 a.m.
YTZ
-
DCA
1 stop3h 41m
Air Canada
Deal found 25/4C$ 267
Mon 15/66:00 a.m.
DCA
-
YYZ
1 stop6h 38m
Air Canada
Thu 25/67:10 a.m.
YYZ
-
DCA
1 stop4h 50m
Air Canada
Deal found 26/4C$ 270
Thu 14/56:00 a.m.
DCA
-
YYZ
1 stop4h 38m
Air Canada
Sun 17/58:10 a.m.
YYZ
-
DCA
1 stop3h 51m
Air Canada
Deal found 25/4C$ 272
Wed 3/66:00 a.m.
DCA
-
YYZ
1 stop4h 38m
Air Canada
Fri 5/68:55 p.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 28/4C$ 275
Sun 24/56:00 a.m.
DCA
-
YYZ
1 stop4h 38m
Air Canada
Wed 27/57:00 a.m.
YYZ
-
DCA
1 stop5h 01m
Air Canada
Deal found 25/4C$ 276
Sat 6/64:20 p.m.
DCA
-
YTZ
1 stop5h 12m
Air Canada
Thu 18/68:20 a.m.
YTZ
-
DCA
1 stop3h 40m
Air Canada
Deal found 28/4C$ 279
Tue 23/66:59 a.m.
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Thu 25/68:55 p.m.
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Deal found 29/4C$ 286
Sat 13/66:55 p.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sat 20/67:20 a.m.
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Deal found 29/4C$ 287
Sat 6/66:00 a.m.
DCA
-
YYZ
1 stop4h 38m
Air Canada
Thu 18/67:20 a.m.
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Deal found 28/4C$ 291

Find 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 30 April 2026.

Round-trip from

C$ 260

One-way from

C$ 133

Popular in

November

Cheapest in

June

Average price

C$ 424

Good round-trip deal

C$ 204 or less

Good one-way deal

C$ 223 or less
Air Canada
  • Air Canada
  • 14/5-17/5
  • 2 total stops
  • 10h 08m total
  • Washington, D.C. to Ontario
Search Deals
Air Canada
  • Air Canada
  • 26/5
  • Nonstop
  • 1h 32m total
  • Washington, D.C. to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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.
Search Deals

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 30 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

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 25/5

6:20 a.m.-1:40 p.m.

1 stop7h 20m

Toronto Pearson Intl

Mon 1/6

7:55 a.m.-4:20 p.m.

1 stop8h 25m

C$ 356

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 29/5

9:39 a.m.-5:21 p.m.

1 stop7h 42m

Toronto Pearson Intl

Mon 1/6

2:20 p.m.-10:59 p.m.

1 stop8h 39m

C$ 356

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 14/5

6:05 a.m.-1:30 p.m.

1 stop7h 25m

Toronto Pearson Intl

Sun 17/5

5:05 p.m.-10:54 p.m.

1 stop5h 49m

C$ 356

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 26/5

7:40 p.m.-11:41 p.m.

1 stop4h 01m

Toronto Pearson Intl

Tue 2/6

2:20 p.m.-6:59 p.m.

1 stop4h 39m

C$ 357

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 13/6

2:00 p.m.-6:15 p.m.

1 stop4h 15m

Toronto Pearson Intl

Mon 15/6

2:29 p.m.-10:59 p.m.

1 stop8h 30m

C$ 357

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 13/6

2:00 p.m.-6:15 p.m.

1 stop4h 15m

Toronto Pearson Intl

Tue 16/6

2:32 p.m.-6:58 p.m.

1 stop4h 26m

C$ 357

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 28/5

6:20 a.m.-1:40 p.m.

1 stop7h 20m

Toronto Pearson Intl

Sun 31/5

2:30 p.m.-10:54 p.m.

1 stop8h 24m

C$ 364

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 20/5

6:09 a.m.-11:15 a.m.

1 stop5h 06m

Toronto Pearson Intl

Fri 29/5

6:37 p.m.-11:24 p.m.

1 stop4h 47m

C$ 408

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 11/5

7:40 p.m.-11:41 p.m.

1 stop4h 01m

Toronto Pearson Intl

Fri 15/5

2:30 p.m.-10:54 p.m.

1 stop8h 24m

C$ 408

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 15/5

6:05 a.m.-1:30 p.m.

1 stop7h 25m

Toronto Pearson Intl

Tue 19/5

2:30 p.m.-8:59 p.m.

1 stop6h 29m

C$ 423

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

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 66 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 month to book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario?

Currently, August 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$ 100). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in October is currently the most expensive (average of C$ 294). 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 30 April 2026.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Region of Ontario in the afternoon. Doing so could potentially save you 23% 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

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 30 April 2026.

The most flights from DCA to CAON are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

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 30 April 2026.
Get a feel of what it's like to fly with American Airlines and Air Canada 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.
American Airlines
7.1
Good
11,682 reviews
Check prices

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,682 reviews
American Airlines
7.1
Good
11,682 reviews
Check prices

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
Air Canada
7.1
Good
10,982 reviews
American Airlines
7.1
Good
11,682 reviews
Check prices

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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.

  • 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 4h 18m. Fly via Delta or Air Canada to get the fastest option. The distance from Washington, D.C. Reagan-National Airport to Region of Ontario is about 727 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 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: British Airways (69%), American Airlines (69%), Porter Airlines( 69%).

  • 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$ 381, our data shows the cheapest flight currently is C$ 134. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay C$ 319 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, August 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$ 100). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in October is currently the most expensive (average of C$ 294). 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
Dulles Intl to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Baltimore to Pearson Intl flights
Reagan-National to Vancouver Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Baltimore to Calgary flights
Reagan-National to Toronto Island flights
Baltimore to Vancouver 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 Abbotsford flights
Dulles Intl to Halifax flights
Reagan-National to Ottawa flights
Reagan-National to Québec City flights
Baltimore to Halifax flights
Baltimore to Québec City flights
Dulles Intl to Winnipeg flights
Dulles Intl to Edmonton flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Baltimore to Edmonton flights
Reagan-National to Edmonton flights
Baltimore to Winnipeg flights
Reagan-National to Winnipeg flights
Baltimore to Regina flights
Dulles Intl to Victoria flights
Dulles Intl to Kelowna flights
Reagan-National to Victoria flights
Baltimore to Charlottetown flights
Dulles Intl to Regina flights
Baltimore to Victoria flights
Reagan-National to Regina flights
Dulles Intl to Charlottetown 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 204AverageC$ 467FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 224AverageC$ 391FlexibilityNo 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.

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

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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