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Cheap flights from Ontario to District of Columbia from C$ 149

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
20 avr. — 27 avr.1
1 adult

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 15 avril 2025.

Round-trip from

C$ 242

One-way from

C$ 149

Popular in

August

Cheapest in

March

Average price

C$ 331

Good round-trip deal

C$ 240 or less

Good one-way deal

C$ 146 or less
Air Canada
  • Air Canada
  • 8/5-11/5
  • 1 total stop
  • 6h 12m total
  • Ontario to District of Columbia
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Air Canada
  • Air Canada
  • 2/6
  • Nonstop
  • 1h 33m total
  • Ontario to District of Columbia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Ontario to District of Columbia.
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Price to beat on a one-way flight from Ontario to District of Columbia.
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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 15 avril 2025.

jeu. 5/68:55 p.m.YYZ - DCA
Nonstop1h 33mAir Canada
lun. 9/66:00 a.m.DCA - YYZ
1 stop6h 39mAir Canada
Deal found 14/4C$ 242
ven. 9/51:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
dim. 18/54:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 13/4C$ 242
ven. 2/59:00 a.m.YYZ - IAD
1 stop4h 14mAir Canada
lun. 5/52:25 p.m.IAD - YYZ
Nonstop1h 34mAir Canada
Deal found 13/4C$ 242
jeu. 1/510:20 a.m.YTZ - IAD
1 stop6h 09mAir Canada
lun. 5/53:18 p.m.IAD - YTZ
1 stop6h 17mAir Canada
Deal found 13/4C$ 243
mer. 7/510:25 a.m.YTZ - DCA
1 stop5h 24mAir Canada
mar. 13/512:55 p.m.DCA - YTZ
1 stop5h 42mAir Canada
Deal found 14/4C$ 243
ven. 2/51:35 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
lun. 5/59:45 a.m.IAD - YTZ
1 stop7h 05mMultiple Airlines
Deal found 15/4C$ 252
mar. 29/411:30 a.m.YTZ - IAD
Nonstop1h 29mAir Transat
ven. 2/511:35 a.m.IAD - YTZ
Nonstop1h 33mAir Transat
Deal found 14/4C$ 267
dim. 18/57:20 a.m.YYZ - DCA
Nonstop1h 33mMultiple Airlines
lun. 16/612:55 p.m.DCA - YYZ
1 stop6h 10mMultiple Airlines
Deal found 13/4C$ 278
lun. 19/56:15 a.m.YYZ - IAD
Nonstop1h 40mMultiple Airlines
lun. 2/68:18 a.m.IAD - YYZ
1 stop6h 42mMultiple Airlines
Deal found 14/4C$ 278
ven. 9/59:00 p.m.YYZ - IAD
1 stop10h 26mUnited Airlines
sam. 10/512:40 p.m.IAD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 15/4C$ 289
mar. 29/410:20 a.m.YYZ - DCA
1 stop8h 22mDelta
dim. 4/56:25 a.m.DCA - YYZ
1 stop4h 55mDelta
Deal found 15/4C$ 295
mar. 29/46:00 a.m.YYZ - IAD
1 stop7h 02mDelta
sam. 10/56:00 a.m.IAD - YYZ
1 stop5h 25mDelta
Deal found 15/4C$ 295

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 629,999 searches. Data last updated 15 avril 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.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

jeu. 8/5

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

Nonstop1h 33m

Washington, D.C. Reagan-National

dim. 11/5

6:00 a.m.-10:39 a.m.

1 stop4h 39m

C$ 242

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

ven. 9/5

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

dim. 18/5

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 242

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

ven. 2/5

9:00 a.m.-1:14 p.m.

1 stop4h 14m

Washington, D.C. Dulles Intl

lun. 5/5

2:25 p.m.-3:59 p.m.

Nonstop1h 34m

C$ 242

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

jeu. 1/5

8:25 a.m.-1:14 p.m.

1 stop4h 49m

Washington, D.C. Dulles Intl

mar. 6/5

9:45 a.m.-2:50 p.m.

1 stop5h 05m

C$ 243

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

mer. 7/5

10:25 a.m.-3:49 p.m.

1 stop5h 24m

Washington, D.C. Reagan-National

mar. 13/5

12:55 p.m.-6:37 p.m.

1 stop5h 42m

C$ 243

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

ven. 2/5

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

lun. 5/5

9:45 a.m.-4:50 p.m.

1 stop7h 05m

C$ 252

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

mar. 29/4

11:30 a.m.-12:59 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

ven. 2/5

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 267

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

dim. 18/5

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

Nonstop1h 33m

Washington, D.C. Reagan-National

lun. 16/6

12:55 p.m.-7:05 p.m.

1 stop6h 10m

C$ 278

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

lun. 19/5

6:15 a.m.-7:55 a.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

lun. 2/6

8:18 a.m.-3:00 p.m.

1 stop6h 42m

C$ 278

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

mar. 7/10

4:40 p.m.-11:18 a.m.

1 stop18h 38m

Washington, D.C. Dulles Intl

mer. 8/10

2:20 p.m.-3:44 p.m.

Nonstop1h 24m

C$ 280

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

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, February is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 327). Flying from Region of Ontario to District of Columbia in June is currently the most expensive (average of C$ 411). 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 15 avril 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 15 avril 2025.
To help decide which airline to fly from Ontario to District of Columbia, see what other customers have to say about Porter Airlines, Delta and Air Transat. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,918 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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?

    The cheapest airlines for a one-way flight from Region of Ontario to District of Columbia are Air Canada (C$ 149), Porter Airlines (C$ 149), and Air Transat (C$ 165).

  • 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, February is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 327). Flying from Region of Ontario to District of Columbia in June is currently the most expensive (average of C$ 411). 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.
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Top 7 airlines flying from Ontario to District of Columbia

Discover the top 7 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 629,999 searches. Data last updated 15 avril 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 206AverageC$ 394FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 208AverageC$ 619FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 228AverageC$ 342FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 241AverageC$ 470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 256AverageC$ 478FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 312AverageC$ 368FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 398AverageC$ 553FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to District of Columbia?

When you search for this flight from Ontario to District of Columbia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to District of Columbia?

Cheapflights simply makes it quick and affordable to book flights from Ontario to District of Columbia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to District of Columbia with no change fees?

Need flexible booking options for your flight to District of Columbia from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to District of Columbia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to District of Columbia from Ontario today and book when prices fit your budget.

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