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 30m. The distance from Region of Ontario to District of Columbia is about 546 km. This flight may include one or multiple stops.

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 Porter Airlines (C$ 156), American Airlines (C$ 165), and Air Transat (C$ 174).

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.

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).

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.

C$ 184+ Cheap Flights from Ontario to District of Columbia

Cheap flight deals from Ontario to District of Columbia

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 5 August 2026.

Fri 4/98:55 p.m. -

Nonstop1h 36m

Mon 7/96:00 a.m. -

1 stop4h 35m

Deal found 31/7C$ 284

Sat 19/910:45 a.m. -

1 stop4h 15m

Tue 22/99:45 a.m. -

1 stop4h 35m

Deal found 31/7C$ 284

Wed 16/910:30 a.m. -

1 stop4h 30m

Wed 23/99:55 a.m. -

Nonstop1h 25m

Deal found 1/8C$ 284

Thu 20/88:20 a.m. -

1 stop3h 40m

Sun 23/89:40 a.m. -

1 stop4h 41m

Deal found 4/8C$ 284

Fri 28/83:15 p.m. -

Nonstop1h 26m

Mon 31/89:45 a.m. -

1 stop6h 06m

Deal found 5/8C$ 285

Thu 20/81:55 p.m. -

Nonstop1h 29m

Wed 26/89:45 a.m. -

1 stop5h 50m

Deal found 1/8C$ 285

Thu 20/84:40 p.m. -

Nonstop1h 32m

Tue 1/98:40 p.m. -

Nonstop1h 31m

Deal found 4/8C$ 287

Thu 20/810:45 a.m. -

1 stop4h 16m

Sun 23/811:25 a.m. -

Nonstop1h 30m

Deal found 5/8C$ 287

Thu 10/99:44 a.m. -

Nonstop1h 37m

Sun 13/910:19 p.m. -

Nonstop1h 35m

Deal found 4/8C$ 287

Sat 22/88:20 a.m. -

1 stop3h 40m

Mon 24/86:00 a.m. -

1 stop5h 51m

Deal found 4/8C$ 287

Fri 28/88:00 a.m. -

1 stop4h 00m

Sun 30/812:40 p.m. -

1 stop4h 28m

Deal found 1/8C$ 288

Sat 22/81:40 p.m. -

Nonstop1h 30m

Wed 2/93:50 p.m. -

Nonstop1h 30m

Deal found 4/8C$ 288

Best flights from Ontario to District of Columbia
Discover carefully curated flight deals from Ontario to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Fri 21/88:20 a.m. -

1 stop3h 40m

Sun 23/89:40 a.m. -

1 stop4h 41m

Deal found 4/8C$ 285

Thu 10/97:43 p.m. -

Nonstop1h 41m

Mon 14/910:19 p.m. -

Nonstop1h 35m

Deal found 1/8C$ 287

Thu 27/89:15 a.m. -

Nonstop1h 30m

Sat 29/83:50 p.m. -

Nonstop1h 30m

Deal found 31/7C$ 302

Tue 8/97:30 a.m. -

1 stop7h 54m

Thu 10/96:00 a.m. -

1 stop5h 33m

Deal found 3/8C$ 315

Wed 23/96:10 a.m. -

1 stop5h 35m

Tue 29/911:10 a.m. -

1 stop6h 10m

Deal found 1/8C$ 322

Thu 20/88:20 a.m. -

1 stop3h 40m

Sun 23/812:40 p.m. -

1 stop5h 40m

Deal found 4/8C$ 291

Thu 27/812:45 p.m. -

Nonstop1h 37m

Tue 8/910:19 p.m. -

Nonstop1h 35m

Deal found 4/8C$ 326

Wed 16/98:20 a.m. -

1 stop3h 54m

Wed 23/96:00 a.m. -

2 stops7h 15m

Deal found 2/8C$ 297

Thu 20/87:30 a.m. -

1 stop4h 29m

Sun 23/88:40 p.m. -

Nonstop1h 31m

Deal found 1/8C$ 330

Sat 29/86:14 p.m. -

1 stop4h 45m

Tue 1/98:15 a.m. -

1 stop5h 26m

Deal found 4/8C$ 333

Fri 11/92:30 p.m. -

Nonstop1h 37m

Sun 13/910:19 p.m. -

Nonstop1h 35m

Deal found 3/8C$ 326

Fri 4/91:40 p.m. -

Nonstop1h 30m

Mon 7/911:25 a.m. -

Nonstop1h 30m

Deal found 1/8C$ 360

Thu 10/910:45 a.m. -

1 stop4h 55m

Thu 17/96:00 a.m. -

2 stops7h 15m

Deal found 2/8C$ 302

Tue 10/118:20 a.m. -

1 stop3h 59m

Thu 19/1112:55 p.m. -

1 stop5h 24m

Deal found 3/8C$ 302

Sun 30/87:00 a.m. -

1 stop4h 52m

Sun 13/910:41 a.m. -

1 stop5h 05m

Deal found 31/7C$ 335

Thu 12/117:50 a.m. -

1 stop8h 31m

Sun 22/119:40 a.m. -

1 stop7h 40m

Deal found 3/8C$ 371

Mon 31/89:15 a.m. -

Nonstop1h 30m

Mon 7/911:25 a.m. -

Nonstop1h 30m

Deal found 1/8C$ 377

Mon 12/103:15 p.m. -

Nonstop1h 23m

Mon 19/109:45 a.m. -

1 stop4h 35m

Deal found 31/7C$ 306

Sat 29/86:14 p.m. -

1 stop5h 12m

Tue 1/912:29 p.m. -

1 stop5h 06m

Deal found 4/8C$ 371

Sat 15/87:30 p.m. -

1 stop12h 19m

Mon 24/812:40 p.m. -

1 stop6h 32m

Deal found 31/7C$ 409

Fri 4/99:44 a.m. -

Nonstop1h 37m

Mon 7/98:15 a.m. -

1 stop4h 53m

Deal found 4/8C$ 351

Fri 28/86:14 p.m. -

1 stop5h 12m

Tue 1/912:29 p.m. -

1 stop5h 06m

Deal found 4/8C$ 371

Tue 25/810:45 a.m. -

1 stop4h 53m

Sat 29/812:40 p.m. -

1 stop5h 40m

Deal found 4/8C$ 318

Fri 28/84:05 p.m. -

1 stop5h 09m

Sun 30/88:15 a.m. -

1 stop4h 53m

Deal found 3/8C$ 358

Sun 6/99:15 a.m. -

Nonstop1h 58m

Tue 8/99:45 a.m. -

Nonstop1h 38m

Deal found 3/8C$ 447

Thu 20/811:01 a.m. -

Nonstop1h 43m

Mon 24/811:42 a.m. -

Nonstop1h 44m

Deal found 31/7C$ 454

Sat 15/810:00 a.m. -

1 stop6h 24m

Fri 21/812:23 p.m. -

1 stop5h 01m

Deal found 31/7C$ 392

Thu 20/83:15 p.m. -

Nonstop1h 26m

Fri 21/88:20 a.m. -

1 stop8h 33m

Deal found 4/8C$ 365

Tue 6/106:30 a.m. -

1 stop4h 15m

Sat 10/1011:25 a.m. -

1 stop6h 47m

Deal found 3/8C$ 457

Tue 27/102:00 p.m. -

Nonstop1h 53m

Tue 3/115:15 p.m. -

1 stop4h 37m

Deal found 31/7C$ 474

Find flight deals from Ontario to District of Columbia

Round-trip from	C$ 284
One-way from	C$ 184
Popular in	March
Cheapest in	October
Average price	C$ 349
Good round-trip deal	C$ 342 or less
Good one-way deal	C$ 217 or less

Air Canada
3/9-7/9
1 total stop
6h 07m total
Ontario to District of Columbia

Search Deals

Porter Airlines
15/8
Nonstop
1h 30m total
Ontario to District of Columbia

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Ontario to District of Columbia.

Search Deals

Price to beat on a one-way flight from Ontario to District of Columbia.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Fri 21/8

8:20 a.m.-12:00 p.m.

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 23/8

9:40 a.m.-2:21 p.m.

1 stop4h 41m

C$ 285

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 10/9

7:43 p.m.-9:24 p.m.

Nonstop1h 41m

Washington, D.C. Dulles Intl

Mon 14/9

10:19 p.m.-11:54 p.m.

Nonstop1h 35m

C$ 287

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Thu 20/8

8:20 a.m.-12:00 p.m.

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 23/8

12:40 p.m.-6:20 p.m.

1 stop5h 40m

C$ 291

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Wed 16/9

8:20 a.m.-12:14 p.m.

1 stop3h 54m

Washington, D.C. Reagan-National

Wed 23/9

6:00 a.m.-1:15 p.m.

2 stops7h 15m

C$ 297

Quickest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Thu 27/8

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sat 29/8

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

C$ 302

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Thu 10/9

10:45 a.m.-3:40 p.m.

1 stop4h 55m

Washington, D.C. Reagan-National

Thu 17/9

6:00 a.m.-1:15 p.m.

2 stops7h 15m

C$ 302

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Tue 10/11

8:20 a.m.-12:19 p.m.

1 stop3h 59m

Washington, D.C. Reagan-National

Thu 19/11

12:55 p.m.-6:19 p.m.

1 stop5h 24m

C$ 302

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Mon 12/10

3:15 p.m.-4:38 p.m.

Nonstop1h 23m

Washington, D.C. Dulles Intl

Mon 19/10

9:45 a.m.-2:20 p.m.

1 stop4h 35m

C$ 306

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - DCA Washington, D.C. Reagan-National

YYZDCA

Toronto Pearson Intl

Tue 8/9

7:30 a.m.-3:24 p.m.

1 stop7h 54m

Washington, D.C. Reagan-National

Thu 10/9

6:00 a.m.-11:33 a.m.

1 stop5h 33m

C$ 315

TorontoWashington, D.C.

YTZ Toronto Island - DCA Washington, D.C. Reagan-National

YTZDCA

Toronto Island

Tue 25/8

10:45 a.m.-3:38 p.m.

1 stop4h 53m

Washington, D.C. Reagan-National

Sat 29/8

12:40 p.m.-6:20 p.m.

1 stop5h 40m

C$ 318

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YTZ-IAD

YYZ-IAD

YYZ-DCA

YTZ-DCA

YHM-DCA

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

CAON-USDC

YTZ-IAD

YYZ-IAD

YYZ-DCA

YTZ-DCA

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 371). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 464). 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?

It’s typically best to fly out from Region of Ontario to District of Columbia in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Region of Ontario to District of Columbia

The most flights from CAON to USDC are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Region of Ontario to District of Columbia?

Airfare is below average for this route at the moment.

Region of Ontario to District of Columbia flights typically cost between C$ 377 and C$ 573 in September.
The cheapest round-trip price found within the last 5 days was C$ 284 on Air Canada (16 Sep-23 Sep).

How far ahead should I book a flight from Region of Ontario to District of Columbia?

The best time to book flights from Region of Ontario to District of Columbia is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

Reviews of airlines servicing District of Columbia

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

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Porter Airlines

8.0

Very good

450 reviews

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Transat

7.8

Good

572 reviews

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

United Airlines

7.4

Good

10,061 reviews

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

American Airlines

7.1

Good

11,849 reviews

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Canada

7.1

Good

11,428 reviews

Porter Airlines

8.0

Very good

450 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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 30m. The distance from Region of Ontario to District of Columbia is about 546 km. This flight may include one or multiple stops.
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 Porter Airlines (C$ 156), American Airlines (C$ 165), and Air Transat (C$ 174).
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, October is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 371). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 464). 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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Top 7 airlines flying from Ontario to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 128	AverageC$ 503	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 231	AverageC$ 468	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 243	AverageC$ 357	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 254	AverageC$ 643	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 302	AverageC$ 608	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Delta	CheapestC$ 356	AverageC$ 633	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 652	AverageC$ 803	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

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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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.

Cheap flights from Ontario to District of Columbia from C$ 184

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to District of Columbia

Cheapest flights from Ontario to District of ColumbiaExplore 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 5 August 2026.

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 5 August 2026.

Best flights from Ontario to District of ColumbiaDiscover carefully curated flight deals from Ontario to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Discover carefully curated flight deals from Ontario to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from Ontario to District of ColumbiaExplore direct flight options from Ontario to District of Columbia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Explore direct flight options from Ontario to District of Columbia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from Ontario to District of ColumbiaDiscover last-minute flight deals from Ontario to District of Columbia. Data last updated 5 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 5 August 2026 and is based on user searches.

One-way flights from Ontario to District of ColumbiaSearch for one-way flight options from Ontario to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Search for one-way flight options from Ontario to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Find flight deals from Ontario to District of Columbia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

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.

Cheapflights Insights

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

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 5 August 2026.

It’s typically best to fly out from Region of Ontario to District of Columbia in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Region of Ontario to District of Columbia

The most flights from CAON to USDC are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Region of Ontario to District of Columbia?

Airfare is below average for this route at the moment.

Region of Ontario to District of Columbia flights typically cost between C$ 377 and C$ 573 in September.The cheapest round-trip price found within the last 5 days was C$ 284 on Air Canada (16 Sep-23 Sep).

How far ahead should I book a flight from Region of Ontario to District of Columbia?

The best time to book flights from Region of Ontario to District of Columbia is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 1 August 2026.

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

Reviews of airlines servicing District of Columbia

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

Related info for your journey

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

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

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

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

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

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

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Alternative routes for Ontario to District of Columbia

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Ontario and District of Columbia flights

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Ontario to District of Columbia flights

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Top 7 airlines flying from Ontario to District of Columbia

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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 5 August 2026.

Best flights from Ontario to District of Columbia
Discover carefully curated flight deals from Ontario to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from Ontario to District of Columbia
Explore direct flight options from Ontario to District of Columbia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from Ontario to District of Columbia
Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 5 August 2026 and is based on user searches.

One-way flights from Ontario to District of Columbia
Search for one-way flight options from Ontario to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Region of Ontario to District of Columbia flights typically cost between C$ 377 and C$ 573 in September.
The cheapest round-trip price found within the last 5 days was C$ 284 on Air Canada (16 Sep-23 Sep).