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$ 150), American Airlines (C$ 166), and Air Transat (C$ 175).

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$ 185+ 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 11 November 2026.

Thu 10/129:10 a.m. -

Nonstop1h 30m

Thu 17/1211:20 a.m. -

Nonstop1h 30m

Deal found 10/11C$ 282

Thu 3/129:10 a.m. -

Nonstop1h 30m

Tue 8/1211:20 a.m. -

Nonstop1h 30m

Deal found 9/11C$ 283

Tue 24/119:10 a.m. -

Nonstop1h 29m

Mon 30/116:25 p.m. -

Nonstop1h 30m

Deal found 9/11C$ 284

Tue 22/129:10 a.m. -

Nonstop1h 30m

Tue 5/111:20 a.m. -

Nonstop1h 32m

Deal found 10/11C$ 286

Tue 15/129:10 a.m. -

Nonstop1h 30m

Wed 16/1211:20 a.m. -

Nonstop1h 30m

Deal found 9/11C$ 296

Fri 18/127:20 a.m. -

Nonstop1h 38m

Wed 6/16:55 p.m. -

Nonstop1h 33m

Deal found 10/11C$ 297

Sat 12/129:10 a.m. -

Nonstop1h 30m

Mon 14/1211:20 a.m. -

Nonstop1h 30m

Deal found 10/11C$ 299

Thu 17/129:10 a.m. -

Nonstop1h 30m

Mon 4/111:20 a.m. -

Nonstop1h 32m

Deal found 9/11C$ 300

Thu 26/116:20 p.m. -

Nonstop1h 38m

Sun 29/116:55 p.m. -

Nonstop1h 33m

Deal found 10/11C$ 301

Sat 5/129:10 a.m. -

Nonstop1h 30m

Sun 6/1211:20 a.m. -

Nonstop1h 30m

Deal found 9/11C$ 301

Sat 5/124:40 p.m. -

Nonstop1h 38m

Sun 6/126:59 a.m. -

Nonstop1h 33m

Deal found 9/11C$ 304

Sat 5/126:40 p.m. -

Nonstop1h 30m

Sun 6/129:55 a.m. -

Nonstop1h 27m

Deal found 9/11C$ 304

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 11 November 2026.

Mon 23/114:35 p.m. -

1 stop5h 24m

Thu 26/116:00 a.m. -

1 stop5h 51m

Deal found 6/11C$ 327

Fri 4/129:10 a.m. -

Nonstop1h 30m

Mon 7/1211:20 a.m. -

Nonstop1h 30m

Deal found 10/11C$ 328

Wed 16/122:35 p.m. -

1 stop6h 24m

Wed 6/16:00 a.m. -

1 stop5h 20m

Deal found 9/11C$ 347

Sun 6/127:44 p.m. -

Nonstop1h 42m

Mon 7/126:05 a.m. -

1 stop5h 43m

Deal found 10/11C$ 368

Thu 24/129:10 a.m. -

Nonstop1h 30m

Thu 31/1211:20 a.m. -

Nonstop1h 30m

Deal found 6/11C$ 422

Tue 22/127:43 a.m. -

1 stop8h 58m

Tue 5/16:00 a.m. -

1 stop5h 45m

Deal found 11/11C$ 446

Fri 15/19:10 a.m. -

Nonstop1h 32m

Sat 23/111:20 a.m. -

Nonstop1h 32m

Deal found 7/11C$ 334

Wed 25/118:20 a.m. -

1 stop3h 59m

Sun 29/116:00 a.m. -

1 stop5h 51m

Deal found 10/11C$ 340

Tue 24/116:00 a.m. -

1 stop4h 57m

Wed 25/1112:35 p.m. -

1 stop4h 39m

Deal found 10/11C$ 376

Thu 26/118:20 a.m. -

1 stop3h 59m

Sun 29/116:00 a.m. -

1 stop5h 51m

Deal found 7/11C$ 344

Wed 16/129:10 a.m. -

Nonstop1h 30m

Sun 10/111:20 a.m. -

Nonstop1h 32m

Deal found 9/11C$ 352

Wed 2/1212:15 p.m. -

1 stop6h 24m

Sun 6/126:05 a.m. -

1 stop5h 20m

Deal found 10/11C$ 378

Mon 23/118:20 a.m. -

1 stop3h 59m

Mon 14/1211:05 a.m. -

1 stop4h 46m

Deal found 7/11C$ 355

Tue 8/1210:30 a.m. -

1 stop6h 03m

Sun 13/129:55 a.m. -

Nonstop1h 27m

Deal found 10/11C$ 451

Tue 8/1212:15 p.m. -

1 stop4h 08m

Tue 15/126:00 a.m. -

1 stop5h 28m

Deal found 10/11C$ 378

Tue 22/129:10 a.m. -

Nonstop1h 30m

Tue 29/1211:20 a.m. -

Nonstop1h 30m

Deal found 7/11C$ 391

Fri 15/18:20 a.m. -

1 stop3h 59m

Sun 17/112:55 p.m. -

1 stop5h 24m

Deal found 10/11C$ 358

Sat 19/129:10 a.m. -

Nonstop1h 30m

Fri 1/111:20 a.m. -

Nonstop1h 32m

Deal found 9/11C$ 481

Fri 15/16:10 a.m. -

1 stop5h 49m

Sun 17/15:26 p.m. -

1 stop5h 33m

Deal found 10/11C$ 378

Mon 23/117:43 a.m. -

1 stop4h 01m

Mon 14/124:30 p.m. -

Nonstop1h 27m

Deal found 7/11C$ 466

Mon 7/128:20 a.m. -

1 stop3h 59m

Mon 14/1211:05 a.m. -

1 stop4h 46m

Deal found 9/11C$ 361

Sun 20/124:04 p.m. -

1 stop7h 15m

Thu 7/11:35 p.m. -

1 stop4h 19m

Deal found 9/11C$ 382

Fri 25/129:10 a.m. -

Nonstop1h 30m

Mon 28/1211:20 a.m. -

Nonstop1h 30m

Deal found 6/11C$ 422

Fri 4/128:20 a.m. -

1 stop3h 59m

Sat 5/126:00 a.m. -

2 stops7h 04m

Deal found 10/11C$ 361

Wed 25/119:10 a.m. -

Nonstop1h 29m

Sun 29/116:25 p.m. -

Nonstop1h 30m

Deal found 9/11C$ 539

Wed 23/122:00 p.m. -

Nonstop2h 01m

Wed 30/121:17 p.m. -

Nonstop1h 50m

Deal found 7/11C$ 599

Thu 10/1212:15 p.m. -

1 stop4h 23m

Thu 17/128:15 a.m. -

1 stop5h 09m

Deal found 7/11C$ 388

Fri 4/128:20 a.m. -

1 stop3h 59m

Sun 6/1212:55 p.m. -

1 stop5h 24m

Deal found 8/11C$ 366

Tue 8/123:20 p.m. -

Nonstop1h 27m

Sun 13/129:05 a.m. -

1 stop5h 16m

Deal found 10/11C$ 540

Wed 6/12:00 p.m. -

Nonstop2h 01m

Mon 11/15:37 p.m. -

Nonstop1h 50m

Deal found 10/11C$ 613

Find flight deals from Ontario to District of Columbia

Round-trip from	C$ 282
One-way from	C$ 185
Popular in	March
Cheapest in	November
Average price	C$ 321
Good round-trip deal	C$ 290 or less
Good one-way deal	C$ 253 or less

Porter Airlines
10/12-17/12
Nonstop
3h 00m total
Ontario to District of Columbia

Search Deals

Air Canada
7/12-31/12
1 total stop
3h 59m total
Ontario to District of Columbia

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 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 - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Thu 17/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 195

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sun 28/3

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 205

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Fri 4/12

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

1 stop3h 59m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 207

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Tue 1/12

3:35 p.m.-9:59 p.m.

2 stops6h 24m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 207

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Tue 24/11

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

1 stop3h 59m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 209

TorontoWashington, D.C.

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

YYZDCA

Toronto Pearson Intl

Thu 31/12

9:00 p.m.-10:38 p.m.

Nonstop1h 38m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 212

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sun 7/3

8:20 a.m.-12:11 p.m.

1 stop3h 51m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 212

TorontoWashington, D.C.

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

YYZDCA

Toronto Pearson Intl

Thu 10/12

2:25 p.m.-6:39 p.m.

1 stop4h 14m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 215

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sat 21/11

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

1 stop3h 59m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 215

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sun 22/11

3:35 p.m.-9:59 p.m.

2 stops6h 24m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 219

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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-DCA

YYZ-DCA

YTZ-IAD

YYZ-IAD

YOW-IAD

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-DCA

YYZ-DCA

YTZ-IAD

YYZ-IAD

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 391). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 457). 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 30% 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 (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 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$ 338 and C$ 606 in December.
The cheapest round-trip price found within the last 5 days was C$ 304 on Air Canada (5 Dec-6 Dec).

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 47 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

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Porter Airlines

8.0

Very good

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

585 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.3

Good

10,474 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,885 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

American Airlines

7.0

Good

12,226 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

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$ 150), American Airlines (C$ 166), and Air Transat (C$ 175).
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, January is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 391). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 457). 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

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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$ 505	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 200	AverageC$ 356	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 236	AverageC$ 568	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Porter Airlines	CheapestC$ 237	AverageC$ 407	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 246	AverageC$ 489	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Transat	CheapestC$ 292	AverageC$ 530	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 684	AverageC$ 896	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$ 185

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. 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 11 November 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 11 November 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 11 November 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 11 November 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 11 November 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 11 November 2026.

Last-minute flights from Ontario to District of ColumbiaDiscover last-minute flight deals from Ontario to District of Columbia. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 11 November 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 11 November 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 11 November 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 11 November 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 30% 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 (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 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$ 338 and C$ 606 in December.The cheapest round-trip price found within the last 5 days was C$ 304 on Air Canada (5 Dec-6 Dec).

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 47 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 7 November 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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Complete your trip to District of Columbia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

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Ontario and District of Columbia flights

Browse other Ontario and District of Columbia flight options. Last updated on 11 November 2026.

Popular flight searches

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Find a return flight route from District of Columbia

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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 11 November 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 11 November 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 11 November 2026.

Last-minute flights from Ontario to District of Columbia
Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 11 November 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 11 November 2026.

Region of Ontario to District of Columbia flights typically cost between C$ 338 and C$ 606 in December.
The cheapest round-trip price found within the last 5 days was C$ 304 on Air Canada (5 Dec-6 Dec).