Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from District of Columbia to Ontario from $85

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 9/18. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Porter Airlines Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
$206Porter Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
$208Porter Airlines
Find Deal
Sat, Sep 27 - Mon, Oct 13
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Porter Airlines Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
$209Porter Airlines
Find Deal
Tue, Sep 2 - Fri, Sep 5
Air Canada Logo
8:40 pm - 10:12 pmDCA-YYZ
1h 32mnonstop
Air Canada Logo
8:55 pm - 10:34 pmYYZ-DCA
1h 39mnonstop
$214Air Canada
Find Deal
Fri, Sep 12 - Fri, Sep 19
Air Canada Logo
6:00 am - 10:39 amDCA-YYZ
4h 39m1 stop
Air Canada Logo
8:55 pm - 10:34 pmYYZ-DCA
1h 39mnonstop
$216Air Canada
Find Deal
Fri, Sep 12 - Fri, Sep 19
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
Air Transat Logo
4:05 pm - 5:34 pmYTZ-IAD
1h 29mnonstop
$252Air Transat
Find Deal
Fri, Dec 26 - Fri, Jan 2
Air Transat Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Air Transat Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
$265Air Transat
Find Deal
Sat, Sep 20 - Mon, Sep 22
United Airlines Logo
5:53 pm - 10:23 pmIAD-YYZ
4h 30m1 stop
United Airlines Logo
7:47 pm - 9:25 pmYYZ-IAD
1h 38mnonstop
$272United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 8
United Airlines Logo
3:41 pm - 5:19 pmIAD-YYZ
1h 38mnonstop
United Airlines Logo
7:30 am - 11:55 amYYZ-IAD
4h 25m1 stop
$277United Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10
American Airlines Logo
6:10 am - 3:20 pmDCA-YUL
9h 10m1 stop
American Airlines Logo
5:34 pm - 7:25 amYUL-DCA
13h 51m1 stop
$307American Airlines
Find Deal
Wed, Aug 27 - Wed, Aug 27

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
Sep 12
DCA8:40 pmWashington, D.C. Reagan-National
1h 32m
YYZ10:12 pmToronto Pearson Intl
Sep 19
YYZ8:55 pmToronto Pearson Intl
1h 39m
DCA10:34 pmWashington, D.C. Reagan-National
$214
Find similar
Air Canada
Sep 12
DCA6:00 amWashington, D.C. Reagan-National
4h 39m
1 stop
YYZ10:39 amToronto Pearson Intl
Sep 19
YYZ8:55 pmToronto Pearson Intl
1h 39m
DCA10:34 pmWashington, D.C. Reagan-National
$216
Find similar
Air Canada
Sep 4
DCA6:59 amWashington, D.C. Reagan-National
1h 32m
YYZ8:31 amToronto Pearson Intl
Sep 7
YYZ8:00 amToronto Pearson Intl
4h 08m
1 stop
DCA12:08 pmWashington, D.C. Reagan-National
$217
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
Sep 4
IAD6:00 amWashington, D.C. Dulles Intl
7h 32m
1 stop
YYZ1:32 pmToronto Pearson Intl
Sep 10
YYZ6:30 amToronto Pearson Intl
5h 02m
1 stop
IAD11:32 amWashington, D.C. Dulles Intl
$287
Find similar
Delta
Sep 1
IAD6:00 amWashington, D.C. Dulles Intl
7h 32m
1 stop
YYZ1:32 pmToronto Pearson Intl
Sep 21
YYZ6:03 amToronto Pearson Intl
5h 53m
1 stop
IAD11:56 amWashington, D.C. Dulles Intl
$299
Find similar
Delta
Oct 18
IAD1:00 pmWashington, D.C. Dulles Intl
4h 19m
1 stop
YYZ5:19 pmToronto Pearson Intl
Oct 31
YYZ9:45 amToronto Pearson Intl
6h 44m
1 stop
IAD4:29 pmWashington, D.C. Dulles Intl
$311
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 832,500 searches. Data last updated August 14, 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 9/19

11:35 am-1:08 pm

Nonstop1h 33m

Toronto Island

Mon 9/22

8:45 am-10:16 am

Nonstop1h 31m

$206

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 9/27

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Mon 10/13

8:45 am-10:16 am

Nonstop1h 31m

$208

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 9/2

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Fri 9/5

1:35 pm-3:06 pm

Nonstop1h 31m

$209

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 9/12

8:40 pm-10:12 pm

Nonstop1h 32m

Toronto Pearson Intl

Fri 9/19

8:55 pm-10:34 pm

Nonstop1h 39m

$214

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 9/12

6:00 am-10:39 am

1 stop4h 39m

Toronto Pearson Intl

Fri 9/19

8:55 pm-10:34 pm

Nonstop1h 39m

$216

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 12/26

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Fri 1/2

4:05 pm-5:34 pm

Nonstop1h 29m

$252

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 9/20

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Mon 9/22

1:35 pm-3:06 pm

Nonstop1h 31m

$265

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 9/5

5:53 pm-10:23 pm

1 stop4h 30m

Toronto Pearson Intl

Mon 9/8

7:47 pm-9:25 pm

Nonstop1h 38m

$272

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 9/4

3:41 pm-5:19 pm

Nonstop1h 38m

Toronto Pearson Intl

Wed 9/10

7:30 am-11:55 am

1 stop4h 25m

$277

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 8/27

6:10 am-3:20 pm

1 stop9h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 8/27

5:34 pm-7:25 am

1 stop13h 51m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The month of June is, on average, the cheapest month to fly to Region of Ontario from District of Columbia, with most prices found around $219. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from District of Columbia during April instead. Flights to Region of Ontario in April, while not as cheap as those in June, still average around $264.

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

According to our data, Friday is the cheapest day to fly to Region of Ontario from District of Columbia. The lowest ticket price found for a Friday departure recently was $351. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from District of Columbia to Region of Ontario on a Sunday will generally be more expensive and average around $560. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from District of Columbia to Region of Ontario in the afternoon for as low as $317. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $690.

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 $329 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 $250 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

$85

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 $85. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is $206.
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 refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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
Porter AirlinesPriceFrom $103Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $118Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
United AirlinesPriceFrom $132Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Air TransatPriceFrom $176Free CancellationRating
7.7
427 reviews
Search Air Transat flights
American AirlinesPriceFrom $226Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $242Free CancellationRating
8.0
7,980 reviews
Search Delta flights
WestJetPriceFrom $278Free CancellationRating
7.2
3,013 reviews
Search WestJet flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for District of Columbia to Ontario flights to just show those with flexible booking policies.

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

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

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/19
Tue 8/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom $93
Flights to Vancouverfrom $81
Flights to Montrealfrom $175
Flights to Calgaryfrom $136
Flights to Ottawafrom $198
Flights to Halifaxfrom $170
Flights to Winnipegfrom $180
Flights to Québec Cityfrom $153
Flights to Saskatoonfrom $129
Flights to Kelownafrom $190
Flights to St. John'sfrom $267
Flights to Reginafrom $242