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Cheap flights from District of Columbia to Ontario from C$ 117

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 18/9. 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

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Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Porter Airlines Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
Porter Airlines Logo
8:45 a.m. - 10:16 a.m.YTZ-IAD
1h 31mdirect
C$ 284Porter Airlines
Find Deal
Fri, 19 Sep - Mon, 22 Sep
Porter Airlines Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
Porter Airlines Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
C$ 286Porter Airlines
Find Deal
Sat, 20 Sep - Sat, 18 Oct
Air Canada Logo
8:40 p.m. - 10:12 p.m.DCA-YYZ
1h 32mdirect
Air Canada Logo
8:55 p.m. - 10:34 p.m.YYZ-DCA
1h 39mdirect
C$ 295Air Canada
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Air Canada Logo
6:00 a.m. - 10:39 a.m.DCA-YYZ
4h 39m1 stop
Air Canada Logo
8:55 p.m. - 10:34 p.m.YYZ-DCA
1h 39mdirect
C$ 297Air Canada
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
C$ 330
Find Deal
Wed, 3 Sep - Tue, 9 Sep
Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
C$ 341
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Air Transat Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
Air Transat Logo
4:05 p.m. - 5:34 p.m.YTZ-IAD
1h 29mdirect
C$ 347Air Transat
Find Deal
Fri, 26 Dec - Fri, 2 Jan
Air Transat Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
Air Transat Logo
4:05 p.m. - 5:34 p.m.YTZ-IAD
1h 29mdirect
C$ 348Air Transat
Find Deal
Sat, 1 Nov - Sun, 2 Nov
United Airlines Logo
5:53 p.m. - 10:23 p.m.IAD-YYZ
4h 30m1 stop
United Airlines Logo
7:47 p.m. - 9:25 p.m.YYZ-IAD
1h 38mdirect
C$ 374United Airlines
Find Deal
Fri, 5 Sep - Mon, 8 Sep
United Airlines Logo
3:41 p.m. - 5:19 p.m.IAD-YYZ
1h 38mdirect
United Airlines Logo
7:30 a.m. - 11:55 a.m.YYZ-IAD
4h 25m1 stop
C$ 381United Airlines
Find Deal
Thu, 4 Sep - Wed, 10 Sep

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
12 Sep
DCA8:40 p.m.Washington, D.C. Reagan-National
1h 32m
YYZ10:12 p.m.Toronto Pearson Intl
19 Sep
YYZ8:55 p.m.Toronto Pearson Intl
1h 39m
DCA10:34 p.m.Washington, D.C. Reagan-National
C$ 295
Find similar
Air Canada
12 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
4h 39m
1 stop
YYZ10:39 a.m.Toronto Pearson Intl
19 Sep
YYZ8:55 p.m.Toronto Pearson Intl
1h 39m
DCA10:34 p.m.Washington, D.C. Reagan-National
C$ 297
Find similar
Air Canada
4 Sep
DCA6:59 a.m.Washington, D.C. Reagan-National
1h 32m
YYZ8:31 a.m.Toronto Pearson Intl
7 Sep
YYZ8:00 a.m.Toronto Pearson Intl
4h 08m
1 stop
DCA12:08 p.m.Washington, D.C. Reagan-National
C$ 299
Find similar

Delta flights from District of Columbia to Region of Ontario

Our best Delta deals on District of Columbia to Region of Ontario flight tickets
Delta
4 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
7h 32m
1 stop
YYZ1:32 p.m.Toronto Pearson Intl
10 Sep
YYZ12:15 p.m.Toronto Pearson Intl
4h 18m
1 stop
DCA4:33 p.m.Washington, D.C. Reagan-National
C$ 395
Find similar
Delta
26 Aug
DCA8:45 a.m.Washington, D.C. Reagan-National
9h 14m
1 stop
YYZ5:59 p.m.Toronto Pearson Intl
2 Sep
YYZ2:30 p.m.Toronto Pearson Intl
4h 29m
1 stop
DCA6:59 p.m.Washington, D.C. Reagan-National
C$ 412
Find similar
Delta
18 Oct
IAD1:00 p.m.Washington, D.C. Dulles Intl
4h 19m
1 stop
YYZ5:19 p.m.Toronto Pearson Intl
31 Oct
YYZ9:45 a.m.Toronto Pearson Intl
6h 44m
1 stop
IAD4:29 p.m.Washington, D.C. Dulles Intl
C$ 428
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 96,600 searches. Data last updated 14 August 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

Fri 19/9

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

Mon 22/9

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 284

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 20/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

Sat 18/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 286

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 12/9

8:40 p.m.-10:12 p.m.

Nonstop1h 32m

Toronto Pearson Intl

Fri 19/9

8:55 p.m.-10:34 p.m.

Nonstop1h 39m

C$ 295

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 12/9

6:00 a.m.-10:39 a.m.

1 stop4h 39m

Toronto Pearson Intl

Fri 19/9

8:55 p.m.-10:34 p.m.

Nonstop1h 39m

C$ 297

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 3/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

Tue 9/9

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 330

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 16/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

Sun 19/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 341

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 26/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Fri 2/1

4:05 p.m.-5:34 p.m.

Nonstop1h 29m

C$ 347

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 1/11

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 2/11

4:05 p.m.-5:34 p.m.

Nonstop1h 29m

C$ 348

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 5/9

5:53 p.m.-10:23 p.m.

1 stop4h 30m

Toronto Pearson Intl

Mon 8/9

7:47 p.m.-9:25 p.m.

Nonstop1h 38m

C$ 374

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 4/9

3:41 p.m.-5:19 p.m.

Nonstop1h 38m

Toronto Pearson Intl

Wed 10/9

7:30 a.m.-11:55 a.m.

1 stop4h 25m

C$ 381

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Ontario from

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?

In general, June is the cheapest month to fly from District of Columbia to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 301. If you are unable to visit Region of Ontario during the month of June, then departing from District of Columbia during the month April is also very affordable. Most momondo users find prices during this month for around C$ 363.

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

The cheapest day to depart from District of Columbia to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 322. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 493.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from District of Columbia to Region of Ontario during this time can be as low as C$ 361. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 449 on average. Flights to Region of Ontario from District of Columbia at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Washington, D.C. Dulles Intl to Toronto Island 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 C$ 452 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 C$ 344 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

C$ 117

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Region of Ontario

3 airports
The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is C$ 117. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is C$ 284.
The fastest flight from District of Columbia to Region of Ontario takes 1h 28m
Direct flights go from District of Columbia to Region of Ontario every day.
There are 3 airports near Region of Ontario: Ottawa (YOW), 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 updated daily.

  • 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 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 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
Air CanadaPriceFrom C$ 159Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 182Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 243Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 469Free CancellationRating
7.2
3,015 reviews
Search WestJet flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Ontario from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Ontario.

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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Find better results for your trip to Ontario

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Popular flights according to clicks in the last 7 days on momondo
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