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Cheap flights from Ontario to District of Columbia from $113

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 9/5. 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

Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
4:10 pm - 5:43 pmIAD-YTZ
1h 33mnonstop
$187Porter Airlines
Find Deal
Thu, Aug 21 - Sat, Aug 30
Porter Airlines Logo
1:25 pm - 2:56 pmYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
4:10 pm - 5:43 pmIAD-YTZ
1h 33mnonstop
$188Porter Airlines
Find Deal
Fri, Aug 29 - Sat, Aug 30
Air Canada Logo
8:55 pm - 10:34 pmYYZ-DCA
1h 39mnonstop
Air Canada Logo
6:00 am - 12:39 pmDCA-YYZ
6h 39m1 stop
$191Air Canada
Find Deal
Mon, Sep 8 - Fri, Sep 12
United Airlines Logo
7:47 pm - 9:25 pmYYZ-IAD
1h 38mnonstop
United Airlines Logo
6:35 am - 3:46 pmIAD-YYZ
9h 11m1 stop
$200United Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 13
Air Canada Logo
8:55 pm - 10:34 pmYYZ-DCA
1h 39mnonstop
Air Canada Logo
6:00 am - 11:39 amDCA-YYZ
5h 39m1 stop
$203Air Canada
Find Deal
Mon, Sep 8 - Fri, Sep 12
American Airlines Logo
3:11 pm - 11:23 pmYYZ-DCA
8h 12m1 stop
American Airlines Logo
2:54 pm - 4:33 pmDCA-YYZ
1h 39mnonstop
$210American Airlines
Find Deal
Tue, Sep 23 - Wed, Sep 24
American Airlines Logo
6:20 pm - 11:24 pmYYZ-DCA
5h 04m1 stop
American Airlines Logo
10:04 am - 11:50 amDCA-YYZ
1h 46mnonstop
$214American Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
United Airlines Logo
2:30 pm - 4:10 pmYYZ-IAD
1h 40mnonstop
United Airlines Logo
8:28 am - 10:04 amIAD-YYZ
1h 36mnonstop
$226United Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Air Transat Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
Air Transat Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
$231Air Transat
Find Deal
Fri, Sep 19 - Sun, Sep 21
Air Transat Logo
1:25 pm - 2:56 pmYTZ-IAD
1h 31mnonstop
Air Transat Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
$241Air Transat
Find Deal
Thu, Aug 28 - Thu, Sep 4

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
Aug 21
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Aug 30
IAD4:10 pmWashington, D.C. Dulles Intl
1h 33m
YTZ5:43 pmToronto Island
$187
Find similar
Porter Airlines
Aug 29
YTZ1:25 pmToronto Island
1h 31m
IAD2:56 pmWashington, D.C. Dulles Intl
Aug 30
IAD4:10 pmWashington, D.C. Dulles Intl
1h 33m
YTZ5:43 pmToronto Island
$188
Find similar
Porter Airlines
Aug 22
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Aug 24
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$189
Find similar

Lufthansa flights from Region of Ontario to District of Columbia

Our best Lufthansa deals on Region of Ontario to District of Columbia flight tickets
Lufthansa
Aug 22
YYZ12:45 pmToronto Pearson Intl
1h 40m
IAD2:25 pmWashington, D.C. Dulles Intl
Aug 24
IAD3:41 pmWashington, D.C. Dulles Intl
1h 38m
YYZ5:19 pmToronto Pearson Intl
$263
Find similar
Lufthansa
Sep 6
YYZ8:10 amToronto Pearson Intl
1h 28m
IAD9:38 amWashington, D.C. Dulles Intl
Sep 7
IAD3:41 pmWashington, D.C. Dulles Intl
1h 38m
YYZ5:19 pmToronto Pearson Intl
$274
Find similar
Lufthansa
Sep 13
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Sep 14
IAD6:20 amWashington, D.C. Dulles Intl
5h 25m
1 stop
YOW11:45 amOttawa
$285
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 August 2, 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

Thu 8/21

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 8/30

4:10 pm-5:43 pm

Nonstop1h 33m

$187

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 8/29

1:25 pm-2:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 8/30

4:10 pm-5:43 pm

Nonstop1h 33m

$188

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 9/8

8:55 pm-10:34 pm

Nonstop1h 39m

Washington, D.C. Reagan-National

Fri 9/12

6:00 am-12:39 pm

1 stop6h 39m

$191

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 9/12

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 9/13

6:35 am-3:46 pm

1 stop9h 11m

$200

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 9/8

8:55 pm-10:34 pm

Nonstop1h 39m

Washington, D.C. Reagan-National

Fri 9/12

6:00 am-11:39 am

1 stop5h 39m

$203

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 9/23

3:11 pm-11:23 pm

1 stop8h 12m

Washington, D.C. Reagan-National

Wed 9/24

2:54 pm-4:33 pm

Nonstop1h 39m

$210

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 12/6

6:20 pm-11:24 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Sun 12/7

10:04 am-11:50 am

Nonstop1h 46m

$214

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 8/27

2:30 pm-4:10 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 9/3

8:28 am-10:04 am

Nonstop1h 36m

$226

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 9/19

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 9/21

4:20 pm-5:53 pm

Nonstop1h 33m

$231

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 8/28

1:25 pm-2:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 9/4

11:35 am-1:08 pm

Nonstop1h 33m

$241

Flights are sorted by cheapest round-trip flights 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 March to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $225.

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 Saturday when prices can be found for as low as $297. 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 $474.

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 $281 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $429. 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 $351 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?

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

$113

Fastest flight time

1h 27m

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 $113. The best round-trip flight deal from Region of Ontario to District of Columbia found on momondo in the last 72 hours is $187.
The fastest flight from Region of Ontario to District of Columbia takes 1h 27m
Direct flights go from Region of Ontario to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), 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
9,855 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $221Free CancellationRating
8.0
7,983 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
2,980 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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