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Cheap flights from Ontario to District of Columbia from $126

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 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to District of Columbia

Cheap round-trip flights

Porter Airlines Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
$185Porter Airlines
Find Deal
Sat, Oct 18 - Sun, Oct 19
Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
$186Porter Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
$190Porter Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Porter Airlines Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
$191Porter Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Air Canada Logo
8:15 am - 12:19 pmYYZ-DCA
4h 04m1 stop
Air Canada Logo
8:40 pm - 10:17 pmDCA-YYZ
1h 37mnonstop
$196Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Air Canada Logo
8:15 am - 12:19 pmYYZ-DCA
4h 04m1 stop
Air Canada Logo
8:40 pm - 10:17 pmDCA-YYZ
1h 37mnonstop
$198Air Canada
Find Deal
Fri, Nov 28 - Fri, Nov 28
United Airlines Logo
12:45 pm - 2:25 pmYYZ-IAD
1h 40mnonstop
United Airlines Logo
5:22 pm - 7:05 pmIAD-YYZ
1h 43mnonstop
$216United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
10:05 am - 11:45 amYYZ-IAD
1h 40mnonstop
United Airlines Logo
3:36 pm - 5:14 pmIAD-YYZ
1h 38mnonstop
$217United Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
10:58 am - 12:40 pmYYZ-DCA
1h 42mnonstop
American Airlines Logo
8:36 am - 3:10 pmDCA-YYZ
6h 34m1 stop
$227American Airlines
Find Deal
Tue, Dec 9 - Wed, Dec 10
Air Transat Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Air Transat Logo
6:30 pm - 8:00 pmIAD-YTZ
1h 30mnonstop
$239Air Transat
Find Deal
Thu, Oct 23 - Thu, Oct 30

United Airlines flights from Region of Ontario to District of Columbia

Our best United Airlines deals on Region of Ontario to District of Columbia flight tickets
United Airlines
Oct 9
YYZ12:45 pmToronto Pearson Intl
1h 40m
IAD2:25 pmWashington, D.C. Dulles Intl
Oct 12
IAD5:22 pmWashington, D.C. Dulles Intl
1h 43m
YYZ7:05 pmToronto Pearson Intl
$216
Find similar
United Airlines
Oct 16
YYZ10:05 amToronto Pearson Intl
1h 40m
IAD11:45 amWashington, D.C. Dulles Intl
Oct 20
IAD3:36 pmWashington, D.C. Dulles Intl
1h 38m
YYZ5:14 pmToronto Pearson Intl
$217
Find similar
United Airlines
Oct 16
YYZ12:45 pmToronto Pearson Intl
1h 40m
IAD2:25 pmWashington, D.C. Dulles Intl
Oct 19
IAD8:28 amWashington, D.C. Dulles Intl
1h 36m
YYZ10:04 amToronto Pearson Intl
$219
Find similar

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
Oct 18
YTZ1:35 pmToronto Island
1h 31m
IAD3:06 pmWashington, D.C. Dulles Intl
Oct 19
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$185
Find similar
Porter Airlines
Oct 9
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Oct 12
IAD4:20 pmWashington, D.C. Dulles Intl
1h 33m
YTZ5:53 pmToronto Island
$186
Find similar
Porter Airlines
Oct 16
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Oct 19
IAD4:20 pmWashington, D.C. Dulles Intl
1h 33m
YTZ5:53 pmToronto Island
$190
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 September 17, 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

Sat 10/18

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/19

11:35 am-1:08 pm

Nonstop1h 33m

$185

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/9

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/12

4:20 pm-5:53 pm

Nonstop1h 33m

$186

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/16

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/19

4:20 pm-5:53 pm

Nonstop1h 33m

$190

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/9

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/12

11:35 am-1:08 pm

Nonstop1h 33m

$191

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 10/31

8:15 am-12:19 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Fri 11/7

8:40 pm-10:17 pm

Nonstop1h 37m

$196

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 11/28

8:15 am-12:19 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Fri 11/28

8:40 pm-10:17 pm

Nonstop1h 37m

$198

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 10/9

12:45 pm-2:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 10/12

5:22 pm-7:05 pm

Nonstop1h 43m

$216

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 10/16

10:05 am-11:45 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 10/20

3:36 pm-5:14 pm

Nonstop1h 38m

$217

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 12/9

10:58 am-12:40 pm

Nonstop1h 42m

Washington, D.C. Reagan-National

Wed 12/10

8:36 am-3:10 pm

1 stop6h 34m

$227

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/23

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 10/30

6:30 pm-8:00 pm

Nonstop1h 30m

$239

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 Thursday when prices can be found for as low as $305. 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 $487.

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 $300 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $503. 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 $285 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 $256 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 10% 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

$128

Fastest flight time

1h 28m

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 $128. 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 28m
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
Air CanadaPriceFrom $158Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $221Free CancellationRating
7.9
7,961 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,095 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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