Ontario

$103+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Jan 11 — Jan 181
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Cheap 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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$240
This Trip.com deal was found by Cheapflights users on 12/11. 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 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 1/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/11$248
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 1/78:50 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$249
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Wed 12/319:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Wed 1/76:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/10$252
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Mon 12/296:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$257
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 12/276:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 12/318:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$272
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Mon 12/296:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 1/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$273
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/2611:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 1/13:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/11$275
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 12/303:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$280
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 1/13:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$281
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/309:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Tue 1/64:10 pmYYZ - IAD
1 stop5h 15mAir Canada
Deal found 12/9$290
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 1/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 12/10$292

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(Ticket)

One-way from

$103
(Air Canada)

Popular in

November

Cheapest in

June

Average price

$299

Good round-trip deal

$247 or less

Good one-way deal

$116 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. 7% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in December 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.

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 December 12, 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

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 1/24

6:00 am-11:42 am

2 stops5h 42m

Toronto Island

Sat 1/31

5:30 pm-9:58 pm

1 stop4h 28m

$213

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 1/5

12:55 pm-6:13 pm

1 stop5h 18m

Toronto Island

Sat 1/10

10:30 am-3:31 pm

1 stop5h 01m

$216

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 2/26

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Fri 3/6

3:45 pm-5:14 pm

Nonstop1h 29m

$222

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 1/8

9:45 am-2:55 pm

1 stop5h 10m

Toronto Island

Mon 1/12

3:30 pm-8:54 pm

1 stop5h 24m

$225

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sun 1/25

12:55 pm-6:13 pm

1 stop5h 18m

Toronto Island

Sun 2/1

4:20 pm-10:23 am

2 stops18h 03m

$237

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 1/8

10:12 am-11:59 am

Nonstop1h 47m

Toronto Pearson Intl

Fri 1/9

5:15 pm-7:14 pm

Nonstop1h 59m

$239

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 1/7

11:35 am-1:09 pm

Nonstop1h 34m

Toronto Island

Sun 1/11

8:50 am-10:19 am

Nonstop1h 29m

$239

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/12

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Mon 2/23

7:20 am-8:55 am

Nonstop1h 35m

$239

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/12

8:40 pm-10:17 pm

Nonstop1h 37m

Toronto Pearson Intl

Tue 2/17

9:00 pm-10:35 pm

Nonstop1h 35m

$239

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 1/8

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Fri 1/9

7:10 am-12:19 pm

1 stop5h 09m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, March is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $92). Flying from District of Columbia to Region of Ontario in August is currently the most expensive (average of $171). 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 December 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from District of Columbia to Region of Ontario by exploring options for tickets at noon.

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

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

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

Weekly flight availability from District of Columbia to Region of Ontario

Explore weekly flight availability from District of Columbia 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 December 12, 2025.

The most flights from USDC to CAON are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from District of Columbia 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 December 12, 2025.
Get a feel of what it's like to fly with Porter Airlines, Air Transat, and United Airlines from District of Columbia to Ontario 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.

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

8.0

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

    Air Canada, Porter Airlines, and American Airlines can get you from District of Columbia to Region of Ontario in just under 1h 30m. Your travel time can differ by up to 4h 12m. District of Columbia and Region of Ontario are separated by a distance of 339 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Region of Ontario one-way?

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Porter Airlines and Air Canada, 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, March is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $92). Flying from District of Columbia to Region of Ontario in August is currently the most expensive (average of $171). 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 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$332FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$127Average$396FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$183Average$387FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$375FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$494FlexibilityNo cancel feeOn-time60%

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