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Cheap flights from Ontario to District of Columbia from $127

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 12/27. 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.
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$187Porter Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$188Porter Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
1:12 pm - 11:50 pmYYZ-DCA
10h 38m1 stop
American Airlines Logo
9:59 am - 11:51 amDCA-YYZ
1h 52mnonstop
$193American Airlines
Find Deal
Sat, Mar 7 - Sun, Mar 8
Air Canada Logo
8:30 am - 3:31 pmYTZ-DCA
7h 01m1 stop
Air Canada Logo
6:00 am - 11:55 amDCA-YTZ
5h 55m1 stop
$201Air Canada
Find Deal
Fri, Nov 21 - Sun, Nov 23
Air Canada Logo
7:20 am - 8:55 amYYZ-DCA
1h 35mnonstop
Air Canada Logo
6:00 am - 10:49 amDCA-YYZ
4h 49m1 stop
$210Air Canada
Find Deal
Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
10:59 am - 12:49 pmYYZ-DCA
1h 50mnonstop
American Airlines Logo
2:48 pm - 4:35 pmDCA-YYZ
1h 47mnonstop
$218American Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Air Transat Logo
3:45 pm - 5:14 pmYTZ-IAD
1h 29mnonstop
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$247Air Transat
Find Deal
Mon, Nov 17 - Thu, Nov 20
Air Transat Logo
3:45 pm - 5:14 pmYTZ-IAD
1h 29mnonstop
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$251Air Transat
Find Deal
Fri, Nov 21 - Sun, Nov 23
United Airlines Logo
1:10 pm - 7:32 pmYUL-DCA
6h 22m1 stop
United Airlines Logo
6:00 am - 7:45 amDCA-YUL
1h 45mnonstop
$367United Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 16
United Airlines Logo
6:00 am - 10:29 amYOW-DCA
4h 29m1 stop
United Airlines Logo
4:20 pm - 9:56 pmDCA-YOW
5h 36m1 stop
$540United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8

Porter Airlines flights from Region of Ontario to District of Columbia

Our best Porter Airlines deals on Region of Ontario to District of Columbia flight tickets
Porter Airlines
Jan 30
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Feb 1
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$187
Find similar
Porter Airlines
Dec 5
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Dec 8
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$188
Find similar
Porter Airlines
Nov 27
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Dec 2
IAD6:30 pmWashington, D.C. Dulles Intl
1h 30m
YTZ8:00 pmToronto Island
$189
Find similar

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
Nov 17
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Nov 20
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$247
Find similar
Air Transat
Nov 21
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Nov 23
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$251
Find similar
Air Transat
Nov 12
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Nov 15
IAD1:45 pmWashington, D.C. Dulles Intl
1h 30m
YTZ3:15 pmToronto Island
$379
Find similar

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 November 3, 2025.
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.

YTZ - IAD

YTZIAD

Toronto Island

Fri 1/30

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/1

11:40 am-1:10 pm

Nonstop1h 30m

$187

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/8

11:40 am-1:10 pm

Nonstop1h 30m

$188

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 3/7

1:12 pm-11:50 pm

1 stop10h 38m

Washington, D.C. Reagan-National

Sun 3/8

9:59 am-11:51 am

Nonstop1h 52m

$193

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 11/21

8:30 am-3:31 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Sun 11/23

6:00 am-11:55 am

1 stop5h 55m

$201

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 12/4

7:20 am-8:55 am

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 12/7

6:00 am-10:49 am

1 stop4h 49m

$210

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/16

10:59 am-12:49 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Tue 1/20

2:48 pm-4:35 pm

Nonstop1h 47m

$218

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 11/17

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 11/20

11:40 am-1:10 pm

Nonstop1h 30m

$247

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 11/21

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 11/23

11:40 am-1:10 pm

Nonstop1h 30m

$251

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sat 11/15

1:10 pm-7:32 pm

1 stop6h 22m

Washington, D.C. Reagan-National

Sun 11/16

6:00 am-7:45 am

Nonstop1h 45m

$367

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 12/4

6:00 am-10:29 am

1 stop4h 29m

Washington, D.C. Reagan-National

Mon 12/8

4:20 pm-9:56 pm

1 stop5h 36m

$540

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, April 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 $220. If you don’t want to visit District of Columbia in April, then you should wait until August to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $220.

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 Friday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $508.

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 $321 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $553. 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 $288 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 $250 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?

You could potentially save up to 18% on your flight if you consider stops on a Region of Ontario to District of Columbia flight.

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

$183

Fastest flight time

1h 29m

Direct flights

Every day

Airports in District of Columbia

1 airport
The best one-way flight to District of Columbia from Region of Ontario in the past 72 hours is $183. The best round-trip flight deal from Region of Ontario to District of Columbia found on momondo in the last 72 hours is $191.
The fastest flight from Region of Ontario to District of Columbia takes 1h 29m
Direct flights go from Region of Ontario to District of Columbia every day.
There is 1 airport near District of Columbia: 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
8,996 reviews
Search United Airlines flights
Air CanadaPriceFrom $158Free CancellationRating
7.1
10,394 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,001 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,153 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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