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Cheap flights from Ontario to District of Columbia from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to District of Columbia departing on 3/16. 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 Ontario to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:10 am - 12:01 pm
YYZ
-
DCA
4h 51m
1 stop
Air Canada Logo
6:00 am - 11:34 am
DCA
-
YYZ
5h 34m
1 stop
$198Air Canada
Wed, Apr 1 - Wed, Apr 8
Air Canada Logo
5:30 pm - 9:18 pm
YYZ
-
IAD
3h 48m
1 stop
Air Canada Logo
12:40 pm - 5:28 pm
IAD
-
YYZ
4h 48m
1 stop
$198Air Canada
Sat, Apr 11 - Mon, Apr 13
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$203Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$204Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
8:15 am - 12:19 pm
YYZ
-
DCA
4h 04m
1 stop
Air Canada Logo
12:55 pm - 8:46 pm
DCA
-
YYZ
7h 51m
1 stop
$208Air Canada
Thu, Feb 26 - Sun, Mar 1
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$208Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
6:45 am - 10:22 am
YUL
-
IAD
3h 37m
1 stop
Multiple Airlines Logo
9:45 am - 11:30 am
IAD
-
YUL
1h 45mnonstop
$282Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
6:45 am - 10:24 am
YUL
-
IAD
3h 39m
1 stop
Multiple Airlines Logo
9:55 am - 11:38 am
IAD
-
YUL
1h 43mnonstop
$284Multiple Airlines
Thu, Apr 16 - Fri, Apr 17
United Airlines Logo
9:45 am - 11:44 am
YOW
-
IAD
1h 59mnonstop
United Airlines Logo
10:13 pm - 11:54 pm
IAD
-
YOW
1h 41mnonstop
$304United Airlines
Sat, Mar 21 - Sat, Mar 28
United Airlines Logo
2:15 pm - 4:11 pm
YOW
-
IAD
1h 56mnonstop
United Airlines Logo
8:26 am - 1:32 pm
IAD
-
YOW
5h 06m
1 stop
$314United Airlines
Thu, Mar 5 - Tue, Mar 10

Air Transat flights from Region of Ontario to District of Columbia

Our best Air Transat deals on Region of Ontario to District of Columbia flight tickets
Air Transat
Feb 19
YTZ8:50 amToronto Island
1h 32m
IAD10:22 amWashington, D.C. Dulles Intl
Feb 26
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$253
Air Transat
Mar 4
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Mar 11
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$257
Air Transat
Apr 11
YTZ11:00 amToronto Island
1h 29m
IAD12:29 pmWashington, D.C. Dulles Intl
Apr 12
IAD6:30 pmWashington, D.C. Dulles Intl
1h 30m
YTZ8:00 pmToronto Island
$263

Delta flights from Region of Ontario to District of Columbia

Our best Delta deals on Region of Ontario to District of Columbia flight tickets
Delta
Feb 19
YYZ5:15 pmToronto Pearson Intl
5h 54m
1 stop
IAD11:09 pmWashington, D.C. Dulles Intl
Mar 11
IAD1:19 pmWashington, D.C. Dulles Intl
4h 05m
1 stop
YYZ5:24 pmToronto Pearson Intl
$288
Delta
Feb 18
YYZ6:15 amToronto Pearson Intl
5h 38m
1 stop
IAD11:53 amWashington, D.C. Dulles Intl
Feb 21
IAD12:24 pmWashington, D.C. Dulles Intl
4h 54m
1 stop
YYZ5:18 pmToronto Pearson Intl
$303
Delta
Feb 15
YYZ6:00 amToronto Pearson Intl
5h 44m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
Feb 18
IAD12:38 pmWashington, D.C. Dulles Intl
6h 31m
1 stop
YYZ7:09 pmToronto Pearson Intl
$304

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to District of Columbia 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 February 4, 2026.
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

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 4/1

7:10 am-12:01 pm

1 stop4h 51m

Washington, D.C. Reagan-National

Wed 4/8

6:00 am-11:34 am

1 stop5h 34m

$198

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 4/11

5:30 pm-9:18 pm

1 stop3h 48m

Washington, D.C. Dulles Intl

Mon 4/13

12:40 pm-5:28 pm

1 stop4h 48m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$204

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 2/26

8:15 am-12:19 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Sun 3/1

12:55 pm-8:46 pm

1 stop7h 51m

$208

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$208

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 2/26

6:45 am-10:22 am

1 stop3h 37m

Washington, D.C. Dulles Intl

Sun 3/1

9:45 am-11:30 am

Nonstop1h 45m

$282

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

6:45 am-10:24 am

1 stop3h 39m

Washington, D.C. Dulles Intl

Fri 4/17

9:55 am-11:38 am

Nonstop1h 43m

$284

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 3/21

9:45 am-11:44 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sat 3/28

10:13 pm-11:54 pm

Nonstop1h 41m

$304

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 3/5

2:15 pm-4:11 pm

Nonstop1h 56m

Washington, D.C. Dulles Intl

Tue 3/10

8:26 am-1:32 pm

1 stop5h 06m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Region of Ontario to District of Columbia

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 District of Columbia?

In general, October is the cheapest month to fly from Region of Ontario to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $213. If you don’t want to visit District of Columbia in October, then you should wait until April to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $219.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Wednesday when prices can be found for as low as $336. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $581.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Region of Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $334 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $574. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $291 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Region of Ontario for as low as $237 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to District of Columbia 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 Region of Ontario to District of Columbia flights?

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

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

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

Best Price Found

$125

Fastest flight time

1h 25m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Region of Ontario in the past 72 hours is $125. The best round-trip flight deal from Region of Ontario to District of Columbia found on momondo in the last 72 hours is $128.
The fastest flight from Region of Ontario to District of Columbia takes 1h 25m
Direct flights go from Region of Ontario to District of Columbia every day.
There are 2 airports in District of Columbia. From Region of Ontario there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

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

    Prices for flights from Ontario to District of Columbia were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia 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 District of Columbia. 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 Region of Ontario to District of Columbia?

Best airlines flying from Region of Ontario to District of Columbia

Compare and see reviews for airlines that fly from Region of Ontario to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $133Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air CanadaPriceFrom $158Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,138 reviews
Search Delta flights
WestJetPriceFrom $260Free CancellationRating
7.2
3,255 reviews
Search WestJet flights

Why use momondo?

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

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

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

Yes. All flights to District of Columbia from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes momondo offers price alerts on flights to District of Columbia from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your District of Columbia trip

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