Ontario

$87+ Cheap flights from District of Columbia to Ontario

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Apr 5 — Apr 121
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Cheap flight deals from District of Columbia to Ontario

Keep the following information in mind while searching for District of Columbia to Ontario flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$175
(Trip.com)

One-way from

$87
(Air Canada)

Popular in

August

Cheapest in

April

Average price

$325

Good round-trip deal

$217 or less

Good one-way deal

$107 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
From District of Columbia to Ontario
One-way flight from District of Columbia to Ontario
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from District of Columbia to Ontario.
Price to beat on a one-way flight from District of Columbia to Ontario.

Find flight deals from District of Columbia to Ontario

Cheapest flights from District of Columbia to Ontario
Explore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:20 pmIAD - YTZ
Nonstop1h 33mAir Transat
Sun 5/41:35 pmYTZ - IAD
Nonstop1h 31mAir Transat
Deal found 3/31$176
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:00 amIAD - YTZ
Nonstop1h 30mMultiple Airlines
Sun 4/2711:10 amYTZ - IAD
Nonstop1h 29mMultiple Airlines
Deal found 3/30$187
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:59 amDCA - YYZ
Nonstop1h 33mAir Canada
Wed 5/216:10 pmYYZ - DCA
Nonstop1h 33mAir Canada
Deal found 3/31$211
This Flightnetwork deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:35 pmDCA - YTZ
1 stop5h 00mAir Canada
Wed 5/2110:25 amYTZ - DCA
1 stop5h 24mAir Canada
Deal found 3/30$215
This Flightnetwork deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/61:00 pmIAD - YTZ
1 stop5h 37mAir Canada
Mon 6/910:20 amYTZ - IAD
1 stop5h 55mAir Canada
Deal found 3/29$217
This Flightnetwork deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/63:30 pmIAD - YYZ
Nonstop1h 39mAir Canada
Mon 6/98:10 amYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 3/29$217
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:00 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 4/218:55 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 3/29$223
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:10 amDCA - YYZ
Nonstop1h 45mAmerican Airlines
Wed 4/235:25 pmYYZ - DCA
Nonstop1h 45mAmerican Airlines
Deal found 3/30$243
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:59 amDCA - YYZ
Nonstop1h 33mMultiple Airlines
Wed 4/2311:00 amYYZ - DCA
1 stop4h 24mMultiple Airlines
Deal found 3/30$247
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:45 amIAD - YUL
Nonstop1h 55mMultiple Airlines
Wed 5/218:55 amYUL - IAD
1 stop6h 11mMultiple Airlines
Deal found 3/30$248
This United deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:10 pmIAD - YYZ
1 stop12h 00mUnited Airlines
Sun 5/1812:45 pmYYZ - IAD
Nonstop1h 34mUnited Airlines
Deal found 3/31$252
This Flightnetwork deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:45 amIAD - YUL
Nonstop1h 55mAir Canada
Wed 5/217:10 pmYUL - IAD
Nonstop1h 58mAir Canada
Deal found 3/30$258

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia 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 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from District of Columbia to Ontario that are best for you.

Fly from

District of Columbia

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 5/2

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Sun 5/4

1:35 pm-3:06 pm

Nonstop1h 31m

$176

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/24

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Sun 4/27

11:10 am-12:39 pm

Nonstop1h 29m

$187

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 5/13

6:59 am-8:32 am

Nonstop1h 33m

Toronto Pearson Intl

Wed 5/21

6:10 pm-7:43 pm

Nonstop1h 33m

$211

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 5/14

4:35 pm-9:35 pm

1 stop5h 00m

Toronto Island

Wed 5/21

10:25 am-3:49 pm

1 stop5h 24m

$215

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 6/6

1:00 pm-6:37 pm

1 stop5h 37m

Toronto Island

Mon 6/9

10:20 am-4:15 pm

1 stop5h 55m

$217

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 6/6

3:30 pm-5:09 pm

Nonstop1h 39m

Toronto Pearson Intl

Mon 6/9

12:10 pm-1:41 pm

Nonstop1h 31m

$217

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 4/15

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Mon 4/21

8:55 pm-10:24 pm

Nonstop1h 29m

$223

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 4/23

6:05 am-2:35 pm

1 stop8h 30m

Toronto Pearson Intl

Wed 4/23

5:25 pm-7:10 pm

Nonstop1h 45m

$245

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 4/23

6:59 am-8:32 am

Nonstop1h 33m

Toronto Pearson Intl

Wed 4/23

11:00 am-3:24 pm

1 stop4h 24m

$247

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 5/14

9:45 am-11:40 am

Nonstop1h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 5/21

8:55 am-3:06 pm

1 stop6h 11m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from District of Columbia 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 District of Columbia to Ontario

What is the cheapest month to book a flight from District of Columbia to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $243). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of $359). 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 DC to ON?

Find hourly flight availability from District of Columbia 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 March 31, 2025.

When flying from District of Columbia 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.

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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 March 31, 2025.
See what other customers who have flown with Delta, Porter Airlines and Air Transat from District of Columbia to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia 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 $87. However, be on the lookout for offers from Porter Airlines and American Airlines, as they are both options that can get you from District of Columbia to Region of Ontario for a low price.

  • Can I find deals for flights from District of Columbia to Ontario that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Ontario?

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

  • Can I find deals for business class flights from District of Columbia to Ontario?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $243). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of $359). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from District of Columbia to Ontario

Discover the top 7 airlines that operate flights from District of Columbia 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$114Average$395FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$125Average$336FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$140Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$145Average$352FlexibilityNo cancel feeOn-time71%
DeltaCheapest$242Average$432FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$250Average$347FlexibilityNo cancel feeOn-time50%
WestJetCheapest$278Average$455FlexibilityNo cancel feeOn-time60%
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