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Cheap flights from District of Columbia to Ontario from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Ontario departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
Porter Airlines Logo
8:50 am - 10:19 amYTZ-IAD
1h 29mnonstop
$214Porter Airlines
Find Deal
Wed, Dec 24 - Fri, Jan 2
Porter Airlines Logo
6:30 pm - 8:00 pmIAD-YTZ
1h 30mnonstop
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
$215Porter Airlines
Find Deal
Mon, Dec 22 - Sat, Dec 27
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
Porter Airlines Logo
8:50 am - 10:19 amYTZ-IAD
1h 29mnonstop
$216Porter Airlines
Find Deal
Wed, Dec 24 - Fri, Jan 2
Air Canada Logo
6:00 am - 12:40 pmDCA-YYZ
6h 40m1 stop
Air Canada Logo
8:15 am - 12:19 pmYYZ-DCA
4h 04m1 stop
$217Air Canada
Find Deal
Thu, Feb 5 - Sun, Feb 8
Air Canada Logo
12:55 pm - 6:13 pmDCA-YTZ
5h 18m1 stop
Air Canada Logo
10:30 am - 3:31 pmYTZ-DCA
5h 01m1 stop
$217Air Canada
Find Deal
Wed, Jan 7 - Wed, Jan 14
Porter Airlines Logo
6:30 pm - 8:00 pmIAD-YTZ
1h 30mnonstop
Porter Airlines Logo
3:45 pm - 5:14 pmYTZ-IAD
1h 29mnonstop
$217Porter Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
11:35 am - 4:30 pmIAD-YUL
4h 55m1 stop
Multiple Airlines Logo
7:00 pm - 8:54 pmYUL-IAD
1h 54mnonstop
$218Multiple Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
11:35 am - 1:09 pmIAD-YTZ
1h 34mnonstop
Multiple Airlines Logo
8:50 am - 10:19 amYTZ-IAD
1h 29mnonstop
$222Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
10:33 pm - 5:05 pmIAD-YXU
18h 32m2 stops
United Airlines Logo
9:25 am - 3:46 pmYXU-IAD
6h 21m1 stop
$689United Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 1
United Airlines Logo
8:20 am - 5:05 pmIAD-YXU
8h 45m2 stops
United Airlines Logo
5:10 am - 4:25 pmYXU-IAD
11h 15m2 stops
$704United Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14

Air Canada flights from District of Columbia to Region of Ontario

Our best Air Canada deals on District of Columbia to Region of Ontario flight tickets
Air Canada
Feb 5
DCA6:00 amWashington, D.C. Reagan-National
6h 40m
1 stop
YYZ12:40 pmToronto Pearson Intl
Feb 8
YYZ8:15 amToronto Pearson Intl
4h 04m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
$217
Find similar
Air Canada
Jan 8
IAD9:45 amWashington, D.C. Dulles Intl
1h 45m
YUL11:30 amMontreal Pierre Elliott Trudeau Intl
Jan 11
YUL7:00 pmMontreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 pmWashington, D.C. Dulles Intl
$219
Find similar
Air Canada
Jan 8
DCA6:59 amWashington, D.C. Reagan-National
1h 36m
YYZ8:35 amToronto Pearson Intl
Jan 11
YYZ7:20 amToronto Pearson Intl
1h 35m
DCA8:55 amWashington, D.C. Reagan-National
$220
Find similar

American Airlines flights from District of Columbia to Region of Ontario

Our best American Airlines deals on District of Columbia to Region of Ontario flight tickets
American Airlines
Jan 15
DCA2:48 pmWashington, D.C. Reagan-National
1h 47m
YYZ4:35 pmToronto Pearson Intl
Jan 20
YYZ10:59 amToronto Pearson Intl
1h 50m
DCA12:49 pmWashington, D.C. Reagan-National
$249
Find similar
American Airlines
Jan 19
DCA12:45 pmWashington, D.C. Reagan-National
6h 15m
1 stop
YYZ7:00 pmToronto Pearson Intl
Jan 21
YYZ5:15 pmToronto Pearson Intl
1h 59m
DCA7:14 pmWashington, D.C. Reagan-National
$258
Find similar
American Airlines
Dec 13
DCA7:00 amWashington, D.C. Reagan-National
8h 00m
1 stop
YYZ3:00 pmToronto Pearson Intl
Dec 16
YYZ5:16 pmToronto Pearson Intl
1h 53m
DCA7:09 pmWashington, D.C. Reagan-National
$283
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 25, 2025.
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

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 12/24

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Fri 1/2

8:50 am-10:19 am

Nonstop1h 29m

$214

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 12/22

6:30 pm-8:00 pm

Nonstop1h 30m

Toronto Island

Sat 12/27

8:55 am-10:24 am

Nonstop1h 29m

$215

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 12/24

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Fri 1/2

8:50 am-10:19 am

Nonstop1h 29m

$216

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/5

6:00 am-12:40 pm

1 stop6h 40m

Toronto Pearson Intl

Sun 2/8

8:15 am-12:19 pm

1 stop4h 04m

$217

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 1/7

12:55 pm-6:13 pm

1 stop5h 18m

Toronto Island

Wed 1/14

10:30 am-3:31 pm

1 stop5h 01m

$217

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 12/16

6:30 pm-8:00 pm

Nonstop1h 30m

Toronto Island

Tue 12/23

3:45 pm-5:14 pm

Nonstop1h 29m

$217

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 1/8

11:35 am-4:30 pm

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

7:00 pm-8:54 pm

Nonstop1h 54m

$218

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 1/8

11:35 am-1:09 pm

Nonstop1h 34m

Toronto Island

Mon 1/12

8:50 am-10:19 am

Nonstop1h 29m

$222

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 12/24

10:33 pm-5:05 pm

2 stops18h 32m

London

Thu 1/1

9:25 am-3:46 pm

1 stop6h 21m

$689

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 1/7

8:20 am-5:05 pm

2 stops8h 45m

London

Wed 1/14

5:10 am-4:25 pm

2 stops11h 15m

$704

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from District of Columbia to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

The month of June is, on average, the cheapest month to fly to Region of Ontario from District of Columbia, with most prices found around $219. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from District of Columbia during September instead. Flights to Region of Ontario in September, while not as cheap as those in June, still average around $262.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Friday is the cheapest day to fly to Region of Ontario from District of Columbia. The lowest ticket price found for a Friday departure recently was $350. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from District of Columbia to Region of Ontario on a Tuesday will generally be more expensive and average around $539. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from District of Columbia to Region of Ontario in the afternoon for as low as $317. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $709.

What is the cheapest District of Columbia to Ontario flight route?

Fly from Washington, D.C. Dulles Intl to Toronto Pearson Intl for the best District of Columbia - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from District of Columbia for as low as $250 on momondo.

What cabin class options are available on District of Columbia to Ontario flights?

There are 4 cabin classes available to choose from on District of Columbia to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between District of Columbia to Region of Ontario.

Cheap District of Columbia to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Region of Ontario

Best Price Found

$134

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is $134. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is $256.
The fastest flight from District of Columbia to Region of Ontario takes 1h 27m
Direct flights go from District of Columbia to Region of Ontario every day.
There are 2 airports near Region of Ontario: Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Ontario?

    Prices for flights from District of Columbia to Ontario are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Ontario?

  • How old do you have to be to fly from District of Columbia to Ontario?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from District of Columbia to Region of Ontario?

Best airlines flying from District of Columbia to Region of Ontario

Compare and see reviews for airlines that fly from District of Columbia to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $54Free CancellationRating
8.0
394 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $132Free CancellationRating
7.4
9,044 reviews
Search United Airlines flights
Air CanadaPriceFrom $149Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
Air TransatPriceFrom $176Free CancellationRating
7.8
478 reviews
Search Air Transat flights
American AirlinesPriceFrom $253Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $255Free CancellationRating
7.9
7,999 reviews
Search Delta flights
WestJetPriceFrom $319Free CancellationRating
7.2
3,173 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from District of Columbia to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from District of Columbia and alert you when they change.

An easier way to manage your Region of Ontario trip

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