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

Departing from District of Columbia to Region of Ontario will take you 1h 30m. The distance from District of Columbia to Region of Ontario is about 546 km. Both multi-stop and direct flights can be found to your destination and back.

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

One-way options have recently been found by users for as low as C$ 113 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 124 and Air Canada from C$ 130 one-way.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

Yes. In addition to deals on District of Columbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Ontario.

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

Yes. Cheapflights offers flight deals from District of Columbia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 119+ Cheap Flights from District of Columbia to Ontario

Cheap flight deals from District of Columbia to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from District of Columbia to Ontario
Explore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Fri 6/1111:20 a.m. -

Nonstop1h 30m

Sun 8/119:10 a.m. -

Nonstop1h 29m

Deal found 22/10C$ 273

Fri 13/116:25 p.m. -

Nonstop1h 30m

Sun 15/119:10 a.m. -

Nonstop1h 29m

Deal found 26/10C$ 275

Sun 6/128:45 p.m. -

Nonstop1h 33m

Sun 13/127:20 a.m. -

Nonstop1h 38m

Deal found 22/10C$ 275

Wed 11/119:55 a.m. -

Nonstop1h 27m

Sat 14/116:40 p.m. -

Nonstop1h 30m

Deal found 23/10C$ 275

Fri 6/116:25 p.m. -

Nonstop1h 30m

Sat 7/119:10 a.m. -

Nonstop1h 29m

Deal found 23/10C$ 276

Wed 11/1111:20 a.m. -

Nonstop1h 30m

Sat 21/119:10 a.m. -

Nonstop1h 29m

Deal found 22/10C$ 278

Mon 7/129:40 a.m. -

Nonstop1h 33m

Mon 14/125:30 p.m. -

1 stop4h 29m

Deal found 23/10C$ 278

Fri 13/116:25 p.m. -

Nonstop1h 30m

Mon 16/114:15 p.m. -

Nonstop1h 29m

Deal found 26/10C$ 279

Tue 24/111:15 p.m. -

1 stop4h 34m

Tue 24/119:00 p.m. -

Nonstop1h 38m

Deal found 22/10C$ 279

Sat 14/118:23 a.m. -

1 stop5h 40m

Mon 16/117:44 p.m. -

Nonstop1h 42m

Deal found 22/10C$ 279

Tue 17/1111:20 a.m. -

Nonstop1h 30m

Thu 19/119:10 a.m. -

Nonstop1h 29m

Deal found 25/10C$ 280

Sat 14/115:20 p.m. -

Nonstop1h 37m

Mon 16/113:20 p.m. -

Nonstop1h 27m

Deal found 23/10C$ 282

Best flights from District of Columbia to Ontario
Discover carefully curated flight deals from District of Columbia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Fri 11/1210:10 p.m. -

Nonstop1h 42m

Sun 13/1210:00 a.m. -

Nonstop1h 45m

Deal found 23/10C$ 283

Wed 9/1211:20 a.m. -

Nonstop1h 30m

Thu 10/129:10 a.m. -

Nonstop1h 30m

Deal found 24/10C$ 297

Thu 12/1112:26 p.m. -

1 stop4h 54m

Sun 15/119:45 a.m. -

1 stop8h 54m

Deal found 26/10C$ 331

Sat 14/1112:39 p.m. -

Nonstop1h 46m

Tue 24/111:00 p.m. -

1 stop7h 23m

Deal found 26/10C$ 385

Sun 8/1112:39 p.m. -

Nonstop1h 46m

Sat 12/1210:00 a.m. -

Nonstop1h 45m

Deal found 22/10C$ 283

Mon 30/1111:20 a.m. -

Nonstop1h 30m

Mon 14/129:10 a.m. -

Nonstop1h 30m

Deal found 25/10C$ 297

Sat 7/1112:55 p.m. -

Nonstop1h 34m

Sun 8/1110:30 a.m. -

Nonstop1h 49m

Deal found 22/10C$ 624

Thu 15/48:35 a.m. -

1 stop4h 58m

Sun 18/410:19 a.m. -

Nonstop1h 25m

Deal found 22/10C$ 297

Mon 15/35:00 p.m. -

1 stop6h 00m

Thu 18/36:00 a.m. -

1 stop4h 13m

Deal found 27/10C$ 331

Thu 24/123:30 p.m. -

1 stop5h 45m

Sun 27/127:44 p.m. -

Nonstop1h 44m

Deal found 22/10C$ 297

Fri 6/1112:20 p.m. -

1 stop4h 59m

Mon 9/116:10 p.m. -

1 stop5h 11m

Deal found 22/10C$ 331

Thu 3/1211:54 a.m. -

1 stop4h 53m

Thu 10/129:00 p.m. -

Nonstop1h 38m

Deal found 25/10C$ 388

Wed 11/1110:15 a.m. -

1 stop6h 32m

Wed 18/112:45 p.m. -

Nonstop1h 39m

Deal found 22/10C$ 297

Wed 25/113:37 p.m. -

1 stop5h 38m

Wed 2/121:00 p.m. -

1 stop7h 23m

Deal found 26/10C$ 399

Fri 6/117:05 p.m. -

1 stop4h 54m

Sun 8/116:45 a.m. -

1 stop5h 19m

Deal found 22/10C$ 318

Wed 11/117:40 a.m. -

1 stop11h 05m

Wed 11/1110:45 p.m. -

1 stop13h 34m

Deal found 25/10C$ 406

Sun 13/127:42 a.m. -

1 stop6h 21m

Thu 31/1210:30 a.m. -

1 stop5h 00m

Deal found 22/10C$ 318

Sat 14/117:05 p.m. -

1 stop4h 54m

Mon 16/118:05 a.m. -

1 stop4h 14m

Deal found 23/10C$ 406

Tue 24/115:20 p.m. -

Nonstop1h 37m

Wed 25/1110:20 a.m. -

1 stop5h 33m

Deal found 22/10C$ 413

Sun 20/126:59 a.m. -

Nonstop1h 33m

Mon 4/19:00 p.m. -

Nonstop1h 38m

Deal found 23/10C$ 359

Thu 19/116:00 a.m. -

1 stop3h 47m

Sun 22/1110:30 a.m. -

Nonstop1h 49m

Deal found 25/10C$ 641

Fri 27/119:55 a.m. -

Nonstop1h 27m

Wed 2/1212:00 p.m. -

1 stop3h 53m

Deal found 22/10C$ 366

Thu 26/115:20 p.m. -

Nonstop1h 37m

Mon 30/118:55 p.m. -

1 stop14h 53m

Deal found 22/10C$ 444

Sun 8/117:40 a.m. -

1 stop5h 12m

Tue 10/119:00 p.m. -

Nonstop1h 38m

Deal found 23/10C$ 373

Fri 19/210:20 a.m. -

1 stop6h 21m

Mon 22/212:30 p.m. -

1 stop7h 53m

Deal found 22/10C$ 458

Fri 6/1112:55 p.m. -

Nonstop1h 34m

Mon 9/1110:30 a.m. -

Nonstop1h 49m

Deal found 22/10C$ 750

Fri 12/21:25 p.m. -

1 stop4h 24m

Mon 15/29:00 p.m. -

Nonstop1h 38m

Deal found 22/10C$ 373

Sat 14/115:20 p.m. -

Nonstop1h 37m

Tue 24/1110:20 a.m. -

1 stop5h 33m

Deal found 26/10C$ 482

Sun 22/116:25 a.m. -

1 stop5h 02m

Tue 24/119:00 p.m. -

Nonstop1h 38m

Deal found 23/10C$ 373

Tue 1/1210:15 p.m. -

1 stop11h 52m

Sat 5/123:20 p.m. -

Nonstop1h 27m

Deal found 23/10C$ 385

Find flight deals from District of Columbia to Ontario

Round-trip from	C$ 273
One-way from	C$ 119
Popular in	May
Cheapest in	January
Average price	C$ 406
Good round-trip deal	C$ 368 or less
Good one-way deal	C$ 167 or less

Porter Airlines
6/11-8/11
Nonstop
2h 59m total
District of Columbia to Ontario

Search Deals

Air Canada
8/11-31/12
Nonstop
1h 34m total
District of Columbia to Ontario

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 17/12

6:00 a.m.-1:23 p.m.

2 stops7h 23m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Tue 24/11

6:05 a.m.-11:19 a.m.

1 stop5h 14m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 21/1

8:40 a.m.-2:03 p.m.

1 stop5h 23m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Fri 8/1

7:05 p.m.-11:59 p.m.

1 stop4h 54m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Fri 27/11

8:10 a.m.-1:24 p.m.

1 stop5h 14m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 3/12

6:00 a.m.-1:35 p.m.

1 stop7h 35m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 14/1

10:05 a.m.-5:49 p.m.

1 stop7h 44m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Wed 9/12

5:34 p.m.-11:07 p.m.

1 stop5h 33m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Sat 16/1

9:36 a.m.-4:47 p.m.

1 stop7h 11m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Mon 7/12

10:10 p.m.-11:52 p.m.

Nonstop1h 42m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 125

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from District of Columbia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from District of Columbia with our price prediction graph.

IAD-YTZ

DCA-YYZ

IAD-YYZ

IAD-YOW

DCA-YOW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Ontario

USDC-CAON

IAD-YTZ

DCA-YYZ

IAD-YYZ

IAD-YOW

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

Currently, December is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of C$ 436). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of C$ 517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to ON?

It’s optimal to fly from District of Columbia to Region of Ontario in the afternoon. By choosing this option you can save up to 74% on the cost of your flight, compared to a flight at noon.

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

Airfare is below average for this route at the moment.

District of Columbia to Region of Ontario flights typically cost between C$ 385 and C$ 767 in November.
The cheapest round-trip price found within the last 5 days was C$ 275 on Air Canada (11 Nov-14 Nov).

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

The price you pay for your flight from District of Columbia to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

Reviews of airlines servicing Ontario

See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from District of Columbia to Ontario 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

467 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

467 reviews

Porter Airlines

8.0

Very good

467 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

7.3

Good

10,443 reviews

Porter Airlines

8.0

Very good

467 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

11,819 reviews

Porter Airlines

8.0

Very good

467 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

7.0

Good

12,191 reviews

Porter Airlines

8.0

Very good

467 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 District of Columbia to Region of Ontario?
Departing from District of Columbia to Region of Ontario will take you 1h 30m. The distance from District of Columbia to Region of Ontario is about 546 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from District of Columbia to Region of Ontario one-way?
One-way options have recently been found by users for as low as C$ 113 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 124 and Air Canada from C$ 130 one-way.
Can I find deals for flights from District of Columbia to Ontario that include hotel bookings?
Yes. In addition to deals on District of Columbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Ontario.
Can I find deals for business class flights from District of Columbia to Ontario?
Yes. Cheapflights offers flight deals from District of Columbia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from District of Columbia to Region of Ontario?
Currently, December is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of C$ 436). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of C$ 517). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Ontario

Newark to Pearson Intl flights

Newark to Toronto Island flights

Newark to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Pearson Intl flights

LaGuardia to Pierre Elliott Trudeau Intl flights

LaGuardia to Toronto Island flights

LaGuardia to Pearson Intl flights

San Francisco to Vancouver Intl flights

Los Angeles to Vancouver Intl flights

Newark to Vancouver Intl flights

John F Kennedy Intl to Vancouver Intl flights

John F Kennedy Intl to Pierre Elliott Trudeau Intl flights

Dulles Intl to Pierre Elliott Trudeau Intl flights

Reagan-National to Pearson Intl flights

O'Hare Intl to Pearson Intl flights

Reagan-National to Pierre Elliott Trudeau Intl flights

Seattle to Vancouver Intl flights

Dulles Intl to Pearson Intl flights

Los Angeles to Pearson Intl flights

John F Kennedy Intl to Toronto Island flights

Dallas/Fort Worth to Vancouver Intl flights

Dallas/Fort Worth to Pearson Intl flights

O'Hare Intl to Pierre Elliott Trudeau Intl flights

LaGuardia to Vancouver Intl flights

Fort Lauderdale to Pierre Elliott Trudeau Intl flights

Newark to Québec City flights

Boston to Toronto Island flights

Boston to Pearson Intl flights

Newark to Hamilton flights

Boston to Pierre Elliott Trudeau Intl flights

Newark to Calgary flights

Seattle to Pearson Intl flights

San Francisco to Pearson Intl flights

Atlanta to Pearson Intl flights

Dulles Intl to Toronto Island flights

Los Angeles to Calgary flights

Ontario to Vancouver Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Calgary flights

Hobby to Pearson Intl flights

San Francisco to Calgary flights

O'Hare Intl to Calgary flights

O'Hare Intl to Toronto Island flights

San Francisco to Pierre Elliott Trudeau Intl flights

O'Hare Intl to Vancouver Intl flights

Baltimore to Pierre Elliott Trudeau Intl flights

Baltimore to Pearson Intl flights

George Bush Intcntl to Pearson Intl flights

San Diego to Vancouver Intl flights

Top 4 airlines flying from District of Columbia to Ontario

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 230	AverageC$ 559	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 286	AverageC$ 425	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 299	AverageC$ 569	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 302	AverageC$ 516	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

Deals for District of Columbia to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from District of Columbia to Ontario for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from District of Columbia to Ontario with no change fees.

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

Yes, Cheapflights offers price alerts on District of Columbia to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from District of Columbia to Ontario from C$ 119

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from District of Columbia to Ontario

Cheapest flights from District of Columbia to OntarioExplore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Explore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from District of Columbia to OntarioDiscover carefully curated flight deals from District of Columbia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Discover carefully curated flight deals from District of Columbia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Direct flights from District of Columbia to OntarioExplore direct flight options from District of Columbia to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Explore direct flight options from District of Columbia to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Last-minute flights from District of Columbia to OntarioDiscover last-minute flight deals from District of Columbia to Ontario. Data last updated 27 October 2026 and is based on user searches.

Discover last-minute flight deals from District of Columbia to Ontario. Data last updated 27 October 2026 and is based on user searches.

One-way flights from District of Columbia to OntarioSearch for one-way flight options from District of Columbia to Ontario. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Search for one-way flight options from District of Columbia to Ontario. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Find flight deals from District of Columbia to Ontario

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 District of Columbia to Ontario that are best for you.

Best time to book a flight from District of Columbia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from District of Columbia with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from DC to ON?

Find hourly flight availability from District of Columbia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 October 2026.

It’s optimal to fly from District of Columbia to Region of Ontario in the afternoon. By choosing this option you can save up to 74% on the cost of your flight, compared to a flight at noon.

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

Airfare is below average for this route at the moment.

District of Columbia to Region of Ontario flights typically cost between C$ 385 and C$ 767 in November.The cheapest round-trip price found within the last 5 days was C$ 275 on Air Canada (11 Nov-14 Nov).

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

The price you pay for your flight from District of Columbia to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Ontario. Price data was last updated on 24 October 2026.

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

Reviews of airlines servicing Ontario

See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from District of Columbia to Ontario 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 District of Columbia to Region of Ontario?

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

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

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

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

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

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Alternative routes for District of Columbia to Ontario

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District of Columbia and Ontario flights

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District of Columbia to Ontario flights

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Top 4 airlines flying from District of Columbia to Ontario

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Cheapest flights from District of Columbia to Ontario
Explore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from District of Columbia to Ontario
Discover carefully curated flight deals from District of Columbia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Direct flights from District of Columbia to Ontario
Explore direct flight options from District of Columbia to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Last-minute flights from District of Columbia to Ontario
Discover last-minute flight deals from District of Columbia to Ontario. Data last updated 27 October 2026 and is based on user searches.

One-way flights from District of Columbia to Ontario
Search for one-way flight options from District of Columbia to Ontario. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

District of Columbia to Region of Ontario flights typically cost between C$ 385 and C$ 767 in November.
The cheapest round-trip price found within the last 5 days was C$ 275 on Air Canada (11 Nov-14 Nov).