District of Columbia

$117+ Cheap flights from Ontario to District of Columbia

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
ago. 4 — ago. 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to District of Columbia

Keep the following information in mind while searching for Ontario to District of Columbia flight deals. Data was last updated julio 30, 2025.

Round-trip from

$164
(KAYAK)

One-way from

$117
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$289

Good round-trip deal

$176 or less

Good one-way deal

$124 or less
From Ontario to District of Columbia
One-way flight from Ontario to District of Columbia
Highest demand for flights based on searches. 7% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Ontario to District of Columbia.
Price to beat on a one-way flight from Ontario to District of Columbia.

Find flight deals from Ontario to District of Columbia

Cheapest flights from Ontario to District of Columbia
Explore the most affordable flight options available from Ontario to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/128:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
sáb. 9/204:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 7/29$164
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/69:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
dom. 12/76:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Deal found 7/29$185
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1912:10 pmYYZ - IAD
Nonstop1h 28mAir Canada
dom. 9/2110:20 amIAD - YYZ
Nonstop1h 32mAir Canada
Deal found 7/29$185
This Flightnetwork deal was found by Cheapflights users on 7/29. 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.
jue. 9/410:25 amYTZ - DCA
1 stop5h 26mAir Canada
dom. 9/79:40 amDCA - YTZ
1 stop7h 05mAir Canada
Deal found 7/29$188
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1910:20 amYTZ - IAD
2 stops10h 45mAir Canada
lun. 9/229:35 amIAD - YTZ
2 stops9h 10mAir Canada
Deal found 7/29$199
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/48:45 amYTZ - IAD
Nonstop1h 31mMultiple Airlines
dom. 9/79:45 amIAD - YTZ
1 stop5h 00mMultiple Airlines
Deal found 7/29$202
This SmartFares deal was found by Cheapflights users on 7/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/291:25 pmYTZ - IAD
Nonstop1h 31mAir Transat
lun. 9/14:10 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 7/27$207
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 12/96:20 pmYYZ - DCA
1 stop5h 04mAmerican Airlines
mié. 12/1010:04 amDCA - YYZ
Nonstop1h 46mAmerican Airlines
Deal found 7/30$214
This United Airlines deal was found by Cheapflights users on 7/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/410:05 amYYZ - IAD
Nonstop1h 40mUnited Airlines
dom. 9/78:28 amIAD - YYZ
Nonstop1h 36mUnited Airlines
Deal found 7/30$219
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/276:04 amYYZ - IAD
1 stop5h 58mDelta
mié. 9/36:15 pmIAD - YYZ
1 stop4h 43mDelta
Deal found 7/29$228
This United deal was found by Cheapflights users on 7/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:00 amYYZ - DCA
1 stop5h 16mMultiple Airlines
dom. 9/76:59 amDCA - YYZ
Nonstop1h 32mMultiple Airlines
Deal found 7/29$235
This United deal was found by Cheapflights users on 7/28. 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.
jue. 8/287:00 amYYZ - IAD
1 stop4h 55mMultiple Airlines
mié. 9/310:20 amIAD - YYZ
Nonstop1h 32mMultiple Airlines
Deal found 7/28$236

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to District of Columbia 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 julio 30, 2025.
Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

Fly from

Ontario

Fly to

District of Columbia

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 9/12

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

sáb. 9/20

4:20 pm-5:53 pm

Nonstop1h 33m

$164

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

mié. 9/3

7:25 am-8:59 am

Nonstop1h 34m

Washington, D.C. Reagan-National

lun. 9/8

6:59 am-8:31 am

Nonstop1h 32m

$185

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

vie. 9/19

12:10 pm-1:38 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

lun. 9/22

2:25 pm-3:57 pm

Nonstop1h 32m

$185

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

jue. 9/4

10:25 am-3:51 pm

1 stop5h 26m

Washington, D.C. Reagan-National

dom. 9/7

9:40 am-4:45 pm

1 stop7h 05m

$188

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 9/19

10:20 am-9:05 pm

2 stops10h 45m

Washington, D.C. Dulles Intl

lun. 9/22

9:35 am-6:45 pm

2 stops9h 10m

$199

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

jue. 9/4

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

dom. 9/7

9:45 am-2:45 pm

1 stop5h 00m

$202

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 8/29

1:25 pm-2:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

lun. 9/1

4:10 pm-5:43 pm

Nonstop1h 33m

$207

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

jue. 9/4

10:05 am-11:45 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

dom. 9/7

8:28 am-10:04 am

Nonstop1h 36m

$219

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

mié. 8/27

6:04 am-12:02 pm

1 stop5h 58m

Washington, D.C. Dulles Intl

mié. 9/3

6:15 pm-10:58 pm

1 stop4h 43m

$228

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

jue. 9/4

9:00 am-2:16 pm

1 stop5h 16m

Washington, D.C. Reagan-National

dom. 9/7

6:59 am-8:31 am

Nonstop1h 32m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to District of Columbia

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

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $241). Flying from Region of Ontario to District of Columbia in March is currently the most expensive (average of $290). 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 DC?

Find hourly flight availability from Ontario to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 30, 2025.

When flying from Region of Ontario to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated julio 30, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, and Air Transat from Ontario to District of Columbia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
8.0
Very good

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Ontario to District of Columbia. 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 Region of Ontario to District of Columbia one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $117. Users have also found prices from $117 and $128 on Air Canada and Air Transat, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $241). Flying from Region of Ontario to District of Columbia in March is currently the most expensive (average of $290). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to District of Columbia

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

Top 6 airlines flying from Ontario to District of Columbia

Discover the top 6 airlines that operate flights from Ontario to District of Columbia. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$370FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$174Average$328FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$184Average$327FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$341FlexibilityNo cancel feeOn-time71%
DeltaCheapest$221Average$276FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$361FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.