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$ 112 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 119 and Air Canada from C$ 128 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$ 126+ 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 12 September 2026.

Mon 23/1111:20 a.m. -

Nonstop1h 32m

Mon 30/114:15 p.m. -

Nonstop1h 28m

Deal found 10/9C$ 269

Tue 24/1111:20 a.m. -

Nonstop1h 32m

Thu 3/129:10 a.m. -

Nonstop1h 28m

Deal found 10/9C$ 270

Thu 29/106:55 p.m. -

Nonstop1h 33m

Sun 1/118:05 a.m. -

1 stop4h 14m

Deal found 10/9C$ 270

Sun 15/119:55 a.m. -

Nonstop1h 27m

Mon 16/114:00 p.m. -

1 stop4h 23m

Deal found 12/9C$ 270

Sat 31/1012:55 p.m. -

1 stop5h 24m

Sun 1/118:20 a.m. -

1 stop3h 59m

Deal found 10/9C$ 270

Wed 11/1111:20 a.m. -

Nonstop1h 32m

Sun 15/119:10 a.m. -

Nonstop1h 28m

Deal found 8/9C$ 272

Tue 1/129:55 a.m. -

Nonstop1h 27m

Sat 5/126:40 p.m. -

Nonstop1h 30m

Deal found 9/9C$ 272

Sat 24/1012:50 p.m. -

1 stop5h 30m

Sat 31/108:20 a.m. -

1 stop3h 59m

Deal found 8/9C$ 272

Thu 29/1011:20 a.m. -

Nonstop1h 32m

Sun 1/114:15 p.m. -

Nonstop1h 28m

Deal found 8/9C$ 273

Mon 19/1011:00 a.m. -

Nonstop1h 26m

Fri 23/108:55 p.m. -

Nonstop1h 39m

Deal found 11/9C$ 273

Mon 19/109:55 a.m. -

Nonstop1h 25m

Fri 23/101:55 p.m. -

Nonstop1h 30m

Deal found 11/9C$ 273

Mon 19/1012:50 p.m. -

1 stop5h 30m

Fri 23/108:20 a.m. -

1 stop3h 49m

Deal found 11/9C$ 273

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 12 September 2026.

Fri 27/1111:05 a.m. -

1 stop4h 51m

Tue 1/128:20 a.m. -

1 stop3h 59m

Deal found 9/9C$ 278

Sat 17/1011:25 a.m. -

Nonstop1h 30m

Sun 18/109:15 a.m. -

Nonstop1h 30m

Deal found 10/9C$ 338

Fri 30/108:10 a.m. -

1 stop8h 02m

Sun 1/119:40 a.m. -

1 stop8h 57m

Deal found 12/9C$ 345

Thu 1/1010:19 p.m. -

Nonstop1h 35m

Sat 3/1010:30 a.m. -

1 stop4h 30m

Deal found 10/9C$ 464

Sat 26/95:20 p.m. -

Nonstop1h 31m

Tue 29/93:15 p.m. -

Nonstop1h 23m

Deal found 7/9C$ 562

Thu 1/106:00 a.m. -

1 stop5h 50m

Thu 22/108:20 a.m. -

1 stop3h 49m

Deal found 8/9C$ 312

Sat 17/1011:25 a.m. -

Nonstop1h 30m

Tue 20/109:15 a.m. -

Nonstop1h 30m

Deal found 9/9C$ 338

Thu 29/1012:55 p.m. -

1 stop5h 24m

Thu 5/118:20 a.m. -

1 stop3h 59m

Deal found 11/9C$ 313

Tue 24/116:10 a.m. -

1 stop5h 09m

Tue 1/126:00 p.m. -

1 stop4h 24m

Deal found 10/9C$ 345

Fri 6/1112:55 p.m. -

1 stop5h 24m

Mon 9/118:20 a.m. -

1 stop3h 59m

Deal found 11/9C$ 313

Fri 30/107:20 p.m. -

1 stop4h 16m

Mon 2/119:40 a.m. -

1 stop8h 57m

Deal found 8/9C$ 345

Fri 25/93:50 p.m. -

Nonstop1h 30m

Tue 29/99:15 a.m. -

Nonstop1h 30m

Deal found 7/9C$ 353

Tue 24/118:10 a.m. -

1 stop8h 05m

Thu 26/1112:15 p.m. -

1 stop5h 08m

Deal found 10/9C$ 345

Thu 22/1012:50 p.m. -

1 stop5h 30m

Mon 26/108:20 a.m. -

1 stop3h 59m

Deal found 12/9C$ 320

Mon 26/107:20 p.m. -

1 stop4h 16m

Sun 1/119:40 a.m. -

1 stop8h 57m

Deal found 12/9C$ 345

Wed 14/1012:50 p.m. -

1 stop5h 30m

Wed 21/108:20 a.m. -

1 stop3h 49m

Deal found 10/9C$ 328

Mon 12/1011:25 a.m. -

Nonstop1h 30m

Sun 18/109:15 a.m. -

Nonstop1h 30m

Deal found 10/9C$ 413

Thu 29/106:05 a.m. -

1 stop7h 31m

Sun 1/116:00 a.m. -

1 stop5h 34m

Deal found 12/9C$ 345

Wed 25/115:20 p.m. -

Nonstop1h 37m

Wed 2/126:45 a.m. -

1 stop4h 43m

Deal found 12/9C$ 511

Thu 3/1212:55 p.m. -

1 stop5h 24m

Sun 6/128:20 a.m. -

1 stop3h 59m

Deal found 7/9C$ 342

Fri 30/106:05 a.m. -

1 stop7h 31m

Sun 1/116:00 a.m. -

1 stop5h 34m

Deal found 12/9C$ 345

Fri 23/106:00 a.m. -

2 stops18h 20m

Fri 30/105:35 a.m. -

1 stop12h 43m

Deal found 8/9C$ 529

Tue 13/1011:25 a.m. -

Nonstop1h 30m

Sun 18/109:15 a.m. -

Nonstop1h 30m

Deal found 10/9C$ 443

Sat 7/1111:05 a.m. -

1 stop4h 51m

Sun 8/118:20 a.m. -

1 stop3h 59m

Deal found 7/9C$ 346

Fri 6/1111:05 a.m. -

1 stop6h 33m

Mon 9/112:35 p.m. -

1 stop7h 45m

Deal found 12/9C$ 353

Mon 5/108:40 p.m. -

Nonstop1h 31m

Wed 7/107:10 a.m. -

1 stop4h 59m

Deal found 7/9C$ 348

Mon 2/116:07 p.m. -

2 stops28h 03m

Sun 8/116:25 a.m. -

1 stop13h 46m

Deal found 8/9C$ 569

Sat 24/105:40 p.m. -

Nonstop2h 05m

Sun 1/119:15 a.m. -

Nonstop2h 13m

Deal found 11/9C$ 690

Sun 27/99:40 a.m. -

1 stop7h 40m

Sun 4/106:10 p.m. -

1 stop4h 52m

Deal found 9/9C$ 360

Mon 5/105:20 p.m. -

Nonstop1h 37m

Wed 7/103:15 p.m. -

Nonstop1h 27m

Deal found 7/9C$ 353

Find flight deals from District of Columbia to Ontario

Round-trip from	C$ 269
One-way from	C$ 126
Popular in	May
Cheapest in	January
Average price	C$ 396
Good round-trip deal	C$ 282 or less
Good one-way deal	C$ 136 or less

Porter Airlines
23/11-30/11
Nonstop
3h 00m total
District of Columbia to Ontario

Search Deals

Air Canada
10/10-31/12
Nonstop
1h 37m total
District of Columbia to Ontario

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 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 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

Fri 11/12

7:20 p.m.-11:07 p.m.

1 stop3h 47m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 133

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Wed 14/10

12:50 p.m.-7:07 p.m.

1 stop6h 17m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 133

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Tue 24/11

6:00 a.m.-1:30 p.m.

1 stop7h 30m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 133

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Sun 18/10

8:40 p.m.-10:11 p.m.

Nonstop1h 31m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 134

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Mon 26/10

7:20 p.m.-11:36 p.m.

1 stop4h 16m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 8/10

11:00 a.m.-6:09 p.m.

1 stop7h 09m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Sat 3/10

11:00 a.m.-6:09 p.m.

1 stop7h 09m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Sat 24/10

6:26 p.m.-10:56 p.m.

1 stop4h 30m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Thu 24/9

6:10 a.m.-1:34 p.m.

1 stop7h 24m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Fri 2/10

8:25 a.m.-4:13 p.m.

1 stop7h 48m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

DCA-YYZ

IAD-YOW

IAD-YTZ

IAD-YYZ

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

DCA-YYZ

IAD-YOW

IAD-YTZ

IAD-YYZ

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of C$ 429). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of C$ 511). 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 morning. By choosing this option you can save up to 72% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from District of Columbia to Region of Ontario

The most flights from USDC to CAON 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 (14 on average).

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$ 388 and C$ 640 in November.
The cheapest round-trip price found within the last 5 days was C$ 270 on Air Canada (15 Nov-16 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, andAmerican Airlines 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

460 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

460 reviews

Porter Airlines

8.0

Very good

460 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

10,205 reviews

Porter Airlines

8.0

Very good

460 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

12,049 reviews

Porter Airlines

8.0

Very good

460 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

11,617 reviews

Porter Airlines

8.0

Very good

460 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$ 112 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 119 and Air Canada from C$ 128 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, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of C$ 429). Flying from District of Columbia to Region of Ontario in July is currently the most expensive (average of C$ 511). 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

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Newark to Pearson Intl flights

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John F Kennedy Intl to Vancouver Intl flights

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John F Kennedy Intl to Toronto Island flights

O'Hare Intl to Pearson Intl flights

Boston to Toronto Island flights

O'Hare Intl to Pierre Elliott Trudeau Intl flights

San Francisco to Pearson Intl flights

O'Hare Intl to Vancouver Intl flights

Boston to Pierre Elliott Trudeau Intl flights

LaGuardia to Toronto Island flights

Newark to Hamilton flights

Boston to Pearson Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

Newark to Calgary flights

Dallas/Fort Worth to Pearson Intl flights

Baltimore to Pierre Elliott Trudeau Intl flights

Los Angeles to Calgary flights

Newark to Québec City flights

O'Hare Intl to Calgary flights

Dulles Intl to Toronto Island flights

San Francisco to Calgary flights

Hobby to Pearson Intl flights

Dallas/Fort Worth to Vancouver Intl flights

Portland to Vancouver Intl flights

Seattle to Calgary flights

Fort Lauderdale to Pearson Intl flights

Atlanta to Pearson Intl flights

John F Kennedy Intl to Calgary flights

San Francisco to Pierre Elliott Trudeau Intl flights

Seattle to Pearson Intl flights

Ontario to Vancouver Intl flights

Philadelphia to Pierre Elliott Trudeau Intl flights

Baltimore to Pearson Intl flights

LaGuardia to Vancouver Intl flights

Top 4 airlines flying from District of Columbia to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 176	AverageC$ 599	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 227	AverageC$ 552	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 283	AverageC$ 407	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 298	AverageC$ 510	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$ 126

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 10/10. 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 12 September 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 12 September 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 12 September 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 12 September 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 12 September 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 12 September 2026.

Last-minute flights from District of Columbia to OntarioDiscover last-minute flight deals from District of Columbia to Ontario. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from District of Columbia to Ontario. Data last updated 12 September 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 12 September 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 12 September 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 12 September 2026.

It’s optimal to fly from District of Columbia to Region of Ontario in the morning. By choosing this option you can save up to 72% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from District of Columbia to Region of Ontario

The most flights from USDC to CAON 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 (14 on average).

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$ 388 and C$ 640 in November.The cheapest round-trip price found within the last 5 days was C$ 270 on Air Canada (15 Nov-16 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 12 September 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, andAmerican Airlines 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?

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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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Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

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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 12 September 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 12 September 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 12 September 2026.

Last-minute flights from District of Columbia to Ontario
Discover last-minute flight deals from District of Columbia to Ontario. Data last updated 12 September 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 12 September 2026.

District of Columbia to Region of Ontario flights typically cost between C$ 388 and C$ 640 in November.
The cheapest round-trip price found within the last 5 days was C$ 270 on Air Canada (15 Nov-16 Nov).