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$ 165), and Air Transat (C$ 169).

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$ 168+ 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 24 September 2026.

Fri 30/109:10 a.m. -

Nonstop1h 28m

Mon 2/1111:20 a.m. -

Nonstop1h 32m

Deal found 19/9C$ 252

Thu 22/108:20 a.m. -

1 stop3h 49m

Wed 28/1012:55 p.m. -

1 stop5h 24m

Deal found 20/9C$ 252

Sat 3/109:15 a.m. -

Nonstop1h 30m

Sun 4/1011:25 a.m. -

Nonstop1h 30m

Deal found 19/9C$ 254

Thu 15/108:20 a.m. -

1 stop3h 49m

Sun 18/106:00 a.m. -

1 stop5h 50m

Deal found 20/9C$ 255

Mon 19/109:15 a.m. -

Nonstop1h 30m

Thu 29/1011:20 a.m. -

Nonstop1h 32m

Deal found 22/9C$ 256

Thu 15/109:30 a.m. -

1 stop5h 27m

Sun 18/109:45 a.m. -

1 stop4h 35m

Deal found 20/9C$ 258

Thu 15/109:15 a.m. -

Nonstop1h 30m

Sun 18/103:50 p.m. -

Nonstop1h 30m

Deal found 22/9C$ 262

Fri 18/129:10 a.m. -

Nonstop1h 28m

Sun 20/1211:20 a.m. -

Nonstop1h 32m

Deal found 20/9C$ 263

Thu 15/108:00 a.m. -

1 stop4h 09m

Sun 18/106:00 a.m. -

1 stop5h 33m

Deal found 20/9C$ 265

Thu 15/101:40 p.m. -

Nonstop1h 30m

Wed 11/1111:20 a.m. -

Nonstop1h 32m

Deal found 20/9C$ 265

Thu 22/101:55 p.m. -

Nonstop1h 30m

Wed 28/109:55 a.m. -

Nonstop1h 27m

Deal found 20/9C$ 265

Thu 22/109:15 a.m. -

Nonstop1h 30m

Wed 28/1011:20 a.m. -

Nonstop1h 32m

Deal found 21/9C$ 266

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 24 September 2026.

Tue 27/108:20 a.m. -

1 stop3h 59m

Mon 2/1112:55 p.m. -

1 stop5h 24m

Deal found 22/9C$ 279

Fri 16/109:15 a.m. -

Nonstop1h 30m

Thu 22/1011:25 a.m. -

Nonstop1h 30m

Deal found 21/9C$ 290

Sun 11/107:00 a.m. -

1 stop5h 08m

Wed 21/106:59 a.m. -

Nonstop1h 36m

Deal found 22/9C$ 299

Sat 5/125:55 p.m. -

1 stop4h 48m

Sun 6/128:45 a.m. -

1 stop5h 18m

Deal found 19/9C$ 313

Fri 6/116:28 p.m. -

1 stop4h 27m

Sun 8/116:10 a.m. -

1 stop7h 26m

Deal found 23/9C$ 334

Thu 15/108:20 a.m. -

1 stop3h 49m

Fri 23/1012:50 p.m. -

1 stop5h 30m

Deal found 21/9C$ 279

Wed 11/119:10 a.m. -

Nonstop1h 28m

Sun 15/116:25 p.m. -

Nonstop1h 34m

Deal found 23/9C$ 294

Sun 4/107:00 a.m. -

1 stop7h 23m

Sun 11/1012:50 p.m. -

1 stop6h 17m

Deal found 20/9C$ 306

Fri 13/118:20 a.m. -

1 stop3h 59m

Mon 16/1112:55 p.m. -

1 stop5h 24m

Deal found 21/9C$ 279

Sat 17/108:50 a.m. -

1 stop5h 33m

Sat 17/105:59 p.m. -

1 stop6h 00m

Deal found 21/9C$ 317

Sat 14/116:45 a.m. -

1 stop10h 50m

Sat 28/119:55 a.m. -

1 stop6h 51m

Deal found 22/9C$ 310

Tue 8/128:20 a.m. -

1 stop3h 59m

Wed 9/1211:05 a.m. -

1 stop4h 51m

Deal found 21/9C$ 283

Wed 14/1012:45 p.m. -

Nonstop1h 37m

Sun 18/106:10 a.m. -

1 stop5h 39m

Deal found 21/9C$ 317

Mon 9/116:10 p.m. -

1 stop5h 11m

Mon 7/125:14 p.m. -

1 stop5h 53m

Deal found 23/9C$ 355

Wed 14/108:20 a.m. -

1 stop3h 49m

Sat 17/109:40 a.m. -

1 stop4h 40m

Deal found 19/9C$ 283

Fri 13/115:55 p.m. -

1 stop4h 48m

Sat 14/119:40 a.m. -

Nonstop1h 33m

Deal found 19/9C$ 317

Sat 3/103:00 p.m. -

1 stop6h 27m

Sun 4/108:28 a.m. -

Nonstop1h 36m

Deal found 19/9C$ 317

Thu 22/108:20 a.m. -

1 stop3h 49m

Mon 26/1011:05 a.m. -

1 stop6h 46m

Deal found 22/9C$ 283

Fri 13/115:55 p.m. -

1 stop4h 48m

Sat 14/1110:22 a.m. -

1 stop6h 25m

Deal found 19/9C$ 325

Thu 15/107:30 a.m. -

1 stop4h 29m

Sun 18/106:00 a.m. -

1 stop5h 33m

Deal found 21/9C$ 331

Fri 6/113:20 p.m. -

Nonstop1h 27m

Sun 8/115:20 p.m. -

Nonstop1h 37m

Deal found 19/9C$ 290

Sat 17/107:00 a.m. -

1 stop7h 23m

Sat 24/1011:45 a.m. -

1 stop6h 43m

Deal found 19/9C$ 325

Thu 12/118:35 a.m. -

1 stop5h 37m

Sun 15/116:59 a.m. -

Nonstop1h 33m

Deal found 23/9C$ 345

Mon 19/108:00 p.m. -

1 stop11h 19m

Wed 21/108:28 a.m. -

Nonstop1h 36m

Deal found 19/9C$ 325

Sat 31/108:20 a.m. -

1 stop3h 59m

Sun 1/1111:05 a.m. -

1 stop4h 51m

Deal found 23/9C$ 309

Fri 6/1112:55 p.m. -

1 stop9h 30m

Sun 8/119:55 a.m. -

Nonstop1h 27m

Deal found 23/9C$ 345

Wed 14/106:25 p.m. -

Nonstop1h 34m

Sat 17/106:59 a.m. -

Nonstop1h 36m

Deal found 20/9C$ 334

Thu 15/108:20 a.m. -

1 stop3h 49m

Mon 19/1012:50 p.m. -

1 stop5h 30m

Deal found 23/9C$ 313

Fri 6/1112:55 p.m. -

1 stop9h 30m

Tue 10/119:55 a.m. -

Nonstop1h 27m

Deal found 23/9C$ 355

Sat 21/118:20 a.m. -

1 stop3h 59m

Mon 30/1112:55 p.m. -

1 stop5h 24m

Deal found 23/9C$ 314

Find flight deals from Ontario to District of Columbia

Round-trip from	C$ 252
One-way from	C$ 168
Popular in	March
Cheapest in	November
Average price	C$ 369
Good round-trip deal	C$ 293 or less
Good one-way deal	C$ 165 or less

Porter Airlines
30/10-2/11
Nonstop
3h 00m total
Ontario to District of Columbia

Search Deals

Porter Airlines
22/11-31/12
Nonstop
1h 28m total
Ontario to District of Columbia

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 16/10

8:20 a.m.-12:09 p.m.

1 stop3h 49m

Washington, D.C. Reagan-National

Wed 31/12

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

Nonstop0h 00m

C$ 170

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sun 22/11

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$ 170

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Thu 15/10

8:20 a.m.-12:09 p.m.

1 stop3h 49m

Washington, D.C. Reagan-National

Wed 31/12

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

Nonstop0h 00m

C$ 170

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Wed 18/11

2:45 p.m.-4:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 176

Quickest round-trip

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 5/11

9:10 a.m.-10:38 a.m.

Nonstop1h 28m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 183

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sat 7/11

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$ 183

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Mon 2/11

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$ 183

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sun 1/11

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$ 183

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Thu 22/10

9:44 a.m.-11:21 a.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 193

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Tue 3/11

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 196

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/9

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

YTZ-IAD

YYZ-DCA

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

YTZ-IAD

YYZ-DCA

YYZ-IAD

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 387). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 456). 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 Wednesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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$ 378 and C$ 638 in October.
The cheapest round-trip price found within the last 5 days was C$ 265 on Air Canada (22 Oct-28 Oct).

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 80 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

463 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

463 reviews

Porter Airlines

8.0

Very good

463 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

581 reviews

Porter Airlines

8.0

Very good

463 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.4

Good

10,233 reviews

Porter Airlines

8.0

Very good

463 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,676 reviews

Porter Airlines

8.0

Very good

463 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

American Airlines

7.0

Good

12,073 reviews

Porter Airlines

8.0

Very good

463 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$ 165), and Air Transat (C$ 169).
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, November is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 387). Flying from Region of Ontario to District of Columbia in December is currently the most expensive (average of C$ 456). 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 6 airlines flying from Ontario to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 114	AverageC$ 487	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 236	AverageC$ 385	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 243	AverageC$ 478	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 262	AverageC$ 570	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 290	AverageC$ 528	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 681	AverageC$ 850	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$ 168

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 22/11. 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 24 September 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 24 September 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 24 September 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 24 September 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 24 September 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 24 September 2026.

Last-minute flights from Ontario to District of ColumbiaDiscover last-minute flight deals from Ontario to District of Columbia. Data last updated 24 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 24 September 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 24 September 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 24 September 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 24 September 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 Wednesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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$ 378 and C$ 638 in October.The cheapest round-trip price found within the last 5 days was C$ 265 on Air Canada (22 Oct-28 Oct).

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 80 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 19 September 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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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 24 September 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 6 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 24 September 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 24 September 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 24 September 2026.

Last-minute flights from Ontario to District of Columbia
Discover last-minute flight deals from Ontario to District of Columbia. Data last updated 24 September 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 24 September 2026.

Region of Ontario to District of Columbia flights typically cost between C$ 378 and C$ 638 in October.
The cheapest round-trip price found within the last 5 days was C$ 265 on Air Canada (22 Oct-28 Oct).