District of Columbia

$127+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
Jan 14 — Jan 211
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Cheap 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 December 15, 2025.

This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 1/46:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/14$223
This FlightHub deal was found by Cheapflights users on 12/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/14$252
This Mytrip deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 1/211:35 amIAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 12/14$253
This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 1/46:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/13$254
This SmartFares deal was found by Cheapflights users on 12/14. 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.
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mAir Transat
Sun 1/46:30 pmIAD - YTZ
Nonstop1h 30mAir Transat
Deal found 12/14$256
This Trip.com deal was found by Cheapflights users on 12/12. 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 12/308:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 1/1811:35 amIAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 12/12$265
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Mon 1/56:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 12/14$269
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Tue 12/306:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/13$272
This Trip.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 1/36:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/13$277
This Trip.com deal was found by Cheapflights users on 12/13. 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.
Sat 12/278:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 1/211:35 amIAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 12/13$282
This Trip.com deal was found by Cheapflights users on 12/14. 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.
Mon 12/296:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop6h 10mPorter Airlines
Deal found 12/14$285
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Sun 1/46:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 12/14$288

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$200
(Super.com)

One-way from

$127
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$270

Good round-trip deal

$203 or less

Good one-way deal

$126 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
From Ontario to District of Columbia
One-way flight from Ontario to District of Columbia
Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 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.

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 December 15, 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

Mon 1/12

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 1/19

11:35 am-1:09 pm

Nonstop1h 34m

$200

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 2/26

7:40 pm-9:21 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Fri 2/27

8:15 am-7:45 pm

1 stop11h 30m

$209

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 1/27

10:30 am-3:33 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Tue 2/3

12:55 pm-6:13 pm

1 stop5h 18m

$210

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 1/28

10:30 am-3:33 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Wed 2/4

12:55 pm-6:10 pm

1 stop5h 15m

$212

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 1/28

10:25 am-8:54 pm

2 stops10h 29m

Washington, D.C. Dulles Intl

Wed 2/4

9:45 am-6:10 pm

2 stops8h 25m

$213

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 1/19

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 2/9

11:40 am-1:10 pm

Nonstop1h 30m

$214

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 1/19

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 2/11

11:40 am-1:10 pm

Nonstop1h 30m

$214

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 1/8

7:10 am-12:19 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Mon 1/12

6:00 am-10:49 am

1 stop4h 49m

$215

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 1/27

3:30 pm-8:54 pm

1 stop5h 24m

Washington, D.C. Dulles Intl

Tue 2/3

9:45 am-3:55 pm

1 stop6h 10m

$215

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 1/29

10:30 am-3:33 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Thu 2/5

12:55 pm-6:10 pm

1 stop5h 15m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $73). Flying from Region of Ontario to District of Columbia in January is currently the most expensive (average of $182). 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 December 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 4% on flights from Region of Ontario to District of Columbia by exploring options for tickets in the morning.

What is the cheapest day to fly from Region of Ontario to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to District of Columbia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Region of Ontario to District of Columbia flight should consider departing on Monday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Region of Ontario to District of Columbia

Explore weekly flight availability from Ontario to District of Columbia. 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 December 15, 2025.

The most flights from CAON to USDC are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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 December 15, 2025.
Get a feel of what it's like to fly with Porter Airlines, Air Transat, and United Airlines 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.

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.6

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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.
  • How long is the flight from Region of Ontario to District of Columbia?

    Departing from Region of Ontario to District of Columbia will take you 1h 29m. There are 339 mi between Region of Ontario and District of Columbia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $89. Users have also found prices from $103 and $109 on United Airlines and Air Canada, 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, April is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $73). Flying from Region of Ontario to District of Columbia in January is currently the most expensive (average of $182). 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 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$327FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$158Average$341FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$174Average$318FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$213Average$340FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$393FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$260Average$334FlexibilityNo cancel feeOn-time60%

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