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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from C$ 137

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
12 Apr — 19 Apr1
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 13 March 2026.

Thu 23/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Thu 30/47:55 a.m.
YTZ
-
DCA
1 stop4h 06m
Air Canada
Deal found 9/3C$ 358
Thu 9/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Mon 13/47:55 a.m.
YTZ
-
DCA
1 stop4h 06m
Air Canada
Deal found 12/3C$ 361
Sun 26/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Sun 3/57:50 a.m.
YTZ
-
DCA
1 stop4h 11m
Air Canada
Deal found 12/3C$ 365
Fri 24/46:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Fri 1/54:40 p.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 9/3C$ 367
Thu 9/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Wed 29/47:55 a.m.
YTZ
-
DCA
1 stop4h 06m
Air Canada
Deal found 10/3C$ 370
Thu 16/46:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sun 19/47:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 8/3C$ 371
Sat 25/48:40 p.m.
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Sat 2/58:55 p.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 10/3C$ 374
Wed 22/48:40 p.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Wed 29/46:20 p.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 7/3C$ 376
Thu 9/48:40 p.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Wed 29/47:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 10/3C$ 381
Sat 25/411:00 a.m.
DCA
-
YTZ
2 stops7h 22m
Air Canada
Sat 2/57:50 a.m.
YTZ
-
DCA
1 stop4h 11m
Air Canada
Deal found 11/3C$ 382
Wed 8/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Mon 13/47:55 a.m.
YTZ
-
DCA
1 stop4h 06m
Air Canada
Deal found 10/3C$ 384
Sun 26/46:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sun 3/58:10 a.m.
YYZ
-
DCA
1 stop3h 51m
Air Canada
Deal found 12/3C$ 388

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 13 March 2026.

Round-trip from

C$ 358

One-way from

C$ 137

Popular in

November

Cheapest in

June

Average price

C$ 424

Good round-trip deal

C$ 531 or less

Good one-way deal

C$ 226 or less
Air Canada
  • Air Canada
  • 23/4-30/4
  • 2 total stops
  • 9h 33m total
  • Washington, D.C. to Ontario
Search Deals
Air Canada
  • Air Canada
  • 3/4
  • Nonstop
  • 1h 32m total
  • Washington, D.C. to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 29 potential increase over avg. RT price).
Search Deals
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 March 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 13 March 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 - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 24/4

12:55 p.m.-6:22 p.m.

1 stop5h 27m

Toronto Island

Fri 1/5

7:50 a.m.-12:01 p.m.

1 stop4h 11m

C$ 362

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 17/4

6:00 a.m.-3:02 p.m.

2 stops9h 02m

Toronto Island

Mon 20/4

7:55 a.m.-12:01 p.m.

1 stop4h 06m

C$ 423

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 4/5

12:45 p.m.-6:22 p.m.

1 stop5h 37m

Toronto Island

Wed 6/5

7:50 a.m.-12:01 p.m.

1 stop4h 11m

C$ 424
Quickest round-trip

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 11/6

6:59 a.m.-8:31 a.m.

Nonstop1h 32m

Toronto Pearson Intl

Sun 14/6

7:20 a.m.-8:53 a.m.

Nonstop1h 33m

C$ 437

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 9/4

12:55 p.m.-6:22 p.m.

1 stop5h 27m

Toronto Island

Thu 16/4

7:55 a.m.-12:01 p.m.

1 stop4h 06m

C$ 439

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 14/5

12:45 p.m.-6:22 p.m.

1 stop5h 37m

Toronto Island

Sun 17/5

7:50 a.m.-12:01 p.m.

1 stop4h 11m

C$ 439

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 30/4

6:00 a.m.-11:18 a.m.

1 stop5h 18m

Toronto Pearson Intl

Mon 4/5

6:11 p.m.-10:50 p.m.

1 stop4h 39m

C$ 445

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

Mon 18/5

6:49 p.m.-10:54 p.m.

1 stop4h 05m

C$ 445

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 16/5

6:25 p.m.-10:59 p.m.

1 stop4h 34m

Toronto Pearson Intl

Sun 24/5

6:00 a.m.-10:17 a.m.

1 stop4h 17m

C$ 445

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 16/4

6:05 a.m.-1:44 p.m.

1 stop7h 39m

Toronto Pearson Intl

Sun 19/4

6:00 a.m.-10:20 a.m.

1 stop4h 20m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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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

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

Currently, June 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$ 143). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in October is currently the most expensive (average of C$ 316). 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 13 March 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 13 March 2026.

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

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 13 March 2026.
Get a feel of what it's like to fly with 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.
Air Canada
7.1
Good
10,800 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.

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 5h 18m. Fly via Air Canada, Delta, or United Airlines to get the fastest option. The distance from Washington, D.C. Reagan-National Airport to Region of Ontario is about 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 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: British Airways (61%), Porter Airlines (59%), American Airlines( 55%).

  • 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$ 398, our data shows the cheapest flight currently is C$ 141. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay C$ 422 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, June 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$ 143). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in October is currently the most expensive (average of C$ 316). 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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Top airline flying from Reagan-National to Ontario

Discover the top airline 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 290AverageC$ 465FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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