What airlines fly to Region of Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Region of Ontario from District of Columbia according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from District of Columbia to Region of Ontario on average per day?

As of September 2026, there are 48 flights per day flying from District of Columbia to Region of Ontario. The most common time of day flights depart is 5:00PM, with 45% of flights taking off in the afternoon.

What is the cheapest airline that flies from District of Columbia to Ontario?

Air Canada, United Airlines, and Porter Airlines are the most popular carriers operating from District of Columbia to Ontario

How many flights depart from District of Columbia to Region of Ontario on average per week?

The number of flights available between District of Columbia and Region of Ontario is 337 per week as of September 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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?

There are 6 operators available for flights from District of Columbia to Ontario as of September 2026.

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.

$87 Cheap Flights from District of Columbia to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 6:19 pmDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 24m1 stop Ottawa

8:20 am - 12:19 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 59m1 stop Ottawa

$196Air Canada

Sat, Oct 31 - Sun, Nov 1

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

4:15 pm - 5:43 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$197Porter Airlines

Thu, Oct 29 - Sun, Nov 15

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

8:05 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 14m1 stop Ottawa

$197Air Canada

Thu, Oct 22 - Mon, Oct 26

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$197Porter Airlines

Mon, Oct 19 - Sun, Nov 1

5:20 pm - 6:57 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mnonstop

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$210Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

9:55 am - 3:56 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

6h 01m1 stop Montreal Pierre Elliott Trudeau Intl

4:15 pm - 5:43 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$213Multiple Airlines

Sat, Nov 7 - Sun, Nov 8

6:10 am - 11:49 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 39m1 stop Chicago O'Hare Intl

2:30 pm - 4:07 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$220United Airlines

Wed, Oct 21 - Wed, Oct 21

6:11 am - 4:47 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

10h 36m1 stop Chicago O'Hare Intl

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$220United Airlines

Sat, Oct 31 - Sat, Oct 31

10:16 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mnonstop

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$234American Airlines

Wed, Dec 2 - Wed, Dec 2

10:13 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$234American Airlines

Tue, Oct 6 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

5:20 pm - 6:51 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

3:15 pm - 4:42 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 27mnonstop

$263Air Canada

Tue, Sep 29 - Sat, Oct 3

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

8:30 am - 2:57 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

6h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$301Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$310Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$332Porter Airlines

Tue, Sep 29 - Fri, Oct 16

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$332Porter Airlines

Tue, Sep 29 - Sat, Oct 17

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$340Air Transat

Mon, Sep 28 - Mon, Oct 5

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$342Air Transat

Tue, Sep 29 - Thu, Oct 8

5:20 pm - 6:51 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

8:30 am - 2:57 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

6h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$381Air Canada

Wed, Sep 30 - Wed, Oct 7

8:28 am - 10:04 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

9:44 am - 11:21 amYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$382United Airlines

Wed, Sep 30 - Tue, Oct 6

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

9:44 am - 11:21 amYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$382United Airlines

Tue, Sep 29 - Tue, Oct 6

Cheap direct flights

Enter your travel dates to find the best prices.

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

4:15 pm - 5:43 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$197Porter Airlines

Thu, Oct 29 - Sun, Nov 15

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$197Porter Airlines

Mon, Oct 19 - Sun, Nov 1

6:59 am - 8:32 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

7:20 am - 8:58 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$199Air Canada

Thu, Nov 5 - Thu, Nov 12

9:40 am - 11:13 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

7:20 am - 8:58 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$200Air Canada

Sat, Nov 7 - Sun, Nov 8

5:20 pm - 6:57 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mnonstop

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$210Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

3:20 pm - 4:47 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 27mnonstop

$218Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$234United Airlines

Sat, Oct 10 - Fri, Oct 16

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$234United Airlines

Sat, Oct 10 - Thu, Oct 15

10:16 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mnonstop

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$234American Airlines

Wed, Dec 2 - Wed, Dec 2

10:13 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$234American Airlines

Tue, Oct 6 - Tue, Oct 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from District of Columbia to Region of Ontario

Our best United Airlines deals on District of Columbia to Region of Ontario flight tickets

United Airlines

Nov 27

IAD12:39 pmWashington, D.C. Dulles Intl

1h 46m

YYZ2:25 pmToronto Pearson Intl

Nov 27

YYZ5:55 pmToronto Pearson Intl

6h 35m

1 stop

IAD12:30 amWashington, D.C. Dulles Intl

$226

United Airlines

Oct 14

IAD6:10 amWashington, D.C. Dulles Intl

9h 36m

1 stop

YYZ3:46 pmToronto Pearson Intl

Oct 14

YYZ7:43 pmToronto Pearson Intl

1h 41m

IAD9:24 pmWashington, D.C. Dulles Intl

$231

United Airlines

Oct 7

IAD8:28 amWashington, D.C. Dulles Intl

1h 36m

YYZ10:04 amToronto Pearson Intl

Nov 4

YYZ7:44 pmToronto Pearson Intl

1h 42m

IAD9:26 pmWashington, D.C. Dulles Intl

$234

Lufthansa flights from District of Columbia to Region of Ontario

Our best Lufthansa deals on District of Columbia to Region of Ontario flight tickets

Lufthansa

Oct 22

IAD8:28 amWashington, D.C. Dulles Intl

1h 36m

YYZ10:04 amToronto Pearson Intl

Oct 26

YYZ6:45 amToronto Pearson Intl

5h 07m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

$236

Lufthansa

Oct 31

IAD10:10 pmWashington, D.C. Dulles Intl

1h 42m

YYZ11:52 pmToronto Pearson Intl

Nov 1

YYZ6:45 amToronto Pearson Intl

5h 07m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

$237

Lufthansa

Oct 22

IAD8:28 amWashington, D.C. Dulles Intl

1h 36m

YYZ10:04 amToronto Pearson Intl

Oct 26

YYZ6:45 amToronto Pearson Intl

5h 07m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

$239

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YTZ Toronto Island

DCAYTZ

Washington, D.C. Reagan-National

Sat 10/31

12:55 pm-6:19 pm

1 stop5h 24m

Toronto Island

Sun 11/1

8:20 am-12:19 pm

1 stop3h 59m

$196

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Thu 10/29

11:20 am-12:52 pm

Nonstop1h 32m

Toronto Island

Sun 11/15

4:15 pm-5:43 pm

Nonstop1h 28m

$197

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 10/22

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Mon 10/26

8:05 am-12:19 pm

1 stop4h 14m

$197

Quickest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Mon 10/19

11:25 am-12:55 pm

Nonstop1h 30m

Toronto Island

Sun 11/1

9:10 am-10:38 am

Nonstop1h 28m

$197

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Wed 11/25

5:20 pm-6:57 pm

Nonstop1h 37m

Toronto Island

Mon 11/30

9:10 am-10:38 am

Nonstop1h 28m

$210

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Sat 11/7

9:55 am-3:56 pm

1 stop6h 01m

Toronto Island

Sun 11/8

4:15 pm-5:43 pm

Nonstop1h 28m

$213

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Wed 10/21

6:10 am-11:49 am

1 stop5h 39m

Toronto Pearson Intl

Wed 10/21

2:30 pm-4:07 pm

Nonstop1h 37m

$220

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 10/31

6:11 am-4:47 pm

1 stop10h 36m

Toronto Pearson Intl

Sat 10/31

7:44 pm-9:26 pm

Nonstop1h 42m

$220

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Wed 12/2

10:16 am-11:59 am

Nonstop1h 43m

Toronto Pearson Intl

Wed 12/2

5:14 pm-7:13 pm

Nonstop1h 59m

$234

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 10/6

10:13 am-11:59 am

Nonstop1h 46m

Toronto Pearson Intl

Tue 10/6

5:29 pm-7:17 pm

Nonstop1h 48m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of December is, on average, the cheapest month to fly to Region of Ontario from District of Columbia, with most prices found around $310. If you aren’t able to travel during the month of December, then book flights to Region of Ontario from District of Columbia during January instead. Flights to Region of Ontario in January, while not as cheap as those in December, still average around $310.

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

According to our data, Thursday is the cheapest day to fly to Region of Ontario from District of Columbia. The lowest ticket price found for a Thursday departure recently was $362. 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 $573. 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 $377. 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 $421.

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 from District of Columbia to 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 $376 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 $268 on momondo.

What cabin class options are available on District of Columbia to Region of Ontario flights?

There are 4 cabin classes available to choose from on District of Columbia to Region of 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	$87
Fastest flight time	1h 18m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is $87. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is $196.

The fastest flight from District of Columbia to Region of Ontario takes 1h 18m

Direct flights go from District of Columbia to Region of Ontario every day.

There are 125 airports in Region of Ontario. From District of Columbia there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

Search flight deals

Frequently asked questions about flying from District of Columbia to Ontario

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?
There are 6 operators available for flights from District of Columbia to Ontario as of September 2026.
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?
Based on momondo bookings for flights between District of Columbia and Region of Ontario, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 38.73% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 17.59%, Embraer 175 with 14.07%, and Airbus A320-100/200 with 7.60%.

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
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,601 reviews	Search Delta flights
Air Canada	PriceFrom $116	Free Cancellation	Rating 7.1 11,683 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $128	Free Cancellation	Rating 8.0 464 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $129	Free Cancellation	Rating 7.4 10,234 reviews	Search United Airlines flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.0 12,085 reviews	Search American Airlines flights
Air Transat	PriceFrom $263	Free Cancellation	Rating 7.7 581 reviews	Search Air Transat flights
WestJet	PriceFrom $516	Free Cancellation	Rating 7.2 3,448 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

Sun 10/25

Sun 11/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular cities

Other flights from District of Columbia

Other flights to Ontario

Airlines

Complete your trip

Feeling lucky

Popular cities in Ontario

Flights to Torontofrom $160

Flights to Vancouverfrom $150

Flights to Montrealfrom $237

Flights to Calgaryfrom $145

Flights to Ottawafrom $220

Flights to Halifaxfrom $229

Flights to Winnipegfrom $235

Flights to Québec Cityfrom $322

Flights to Kelownafrom $224

Flights to St. John'sfrom $364

Flights to Saskatoonfrom $315

Flights to Reginafrom $336

Cheap flights from District of Columbia to Ontario from $87

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 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from District of Columbia to Region of Ontario

Our best United Airlines deals on District of Columbia to Region of Ontario flight tickets

Lufthansa flights from District of Columbia to Region of Ontario

Our best Lufthansa deals on District of Columbia to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Ontario that are best for you.

See travel insights to Ontario from

How to get the cheapest flight ticket from District of Columbia to Region of Ontario

What is the cheapest month to fly to Region of Ontario?

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

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

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

How far in advance should I book a flight from District of Columbia to Ontario?

What cabin class options are available on District of Columbia to Region of Ontario flights?

Can stopping save me money on District of Columbia to Region of Ontario flights?

What is the cheapest airline that flies from District of Columbia to Ontario?

What airlines fly to Region of Ontario?

How many flights depart from District of Columbia to Region of Ontario on average per day?

How many flights depart from District of Columbia to Region of Ontario on average per week?

Cheap District of Columbia to Region of Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from District of Columbia to 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular cities in Ontario

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

District of Columbia flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ontario

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Ontario

Explore popular destinations other users love

According to popular flight searches on momondo this year