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Cheap flights from Ontario to Washington, D.C. 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 Ontario to Washington, D.C. departing on 12/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$187Porter Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$188Porter Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
12:15 pm - 7:17 pmYYZ-BWI
31h 02m3 stops
Multiple Airlines Logo
9:37 pm - 2:20 pmBWI-YYZ
16h 43m1 stop
$189Multiple Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
American Airlines Logo
1:12 pm - 11:50 pmYYZ-DCA
10h 38m1 stop
American Airlines Logo
9:59 am - 11:51 amDCA-YYZ
1h 52mnonstop
$193American Airlines
Find Deal
Sat, Mar 7 - Sun, Mar 8
Multiple Airlines Logo
7:10 am - 8:32 pmYYZ-BWI
13h 22m1 stop
Multiple Airlines Logo
9:37 pm - 2:20 pmBWI-YYZ
16h 43m1 stop
$204Multiple Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Air Canada Logo
7:20 am - 8:55 amYYZ-DCA
1h 35mnonstop
Air Canada Logo
6:00 am - 10:49 amDCA-YYZ
4h 49m1 stop
$210Air Canada
Find Deal
Thu, Dec 4 - Sun, Dec 7
Air Canada Logo
6:10 pm - 7:45 pmYYZ-DCA
1h 35mnonstop
Air Canada Logo
6:00 am - 11:40 amDCA-YYZ
5h 40m1 stop
$212Air Canada
Find Deal
Wed, Dec 17 - Wed, Dec 24
American Airlines Logo
10:59 am - 12:49 pmYYZ-DCA
1h 50mnonstop
American Airlines Logo
10:12 am - 11:59 amDCA-YYZ
1h 47mnonstop
$218American Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Air Transat Logo
3:45 pm - 5:14 pmYTZ-IAD
1h 29mnonstop
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$247Air Transat
Find Deal
Mon, Nov 17 - Thu, Nov 20
Air Transat Logo
3:45 pm - 5:14 pmYTZ-IAD
1h 29mnonstop
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$251Air Transat
Find Deal
Fri, Nov 21 - Sun, Nov 23

Air Transat flights from Region of Ontario to Washington, D.C.

Our best Air Transat deals on Region of Ontario to Washington, D.C. flight tickets
Air Transat
Nov 17
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Nov 20
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$247
Find similar
Air Transat
Nov 21
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Nov 23
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$251
Find similar
Air Transat
Nov 17
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Nov 21
IAD6:30 pmWashington, D.C. Dulles Intl
1h 30m
YTZ8:00 pmToronto Island
$312
Find similar

Porter Airlines flights from Region of Ontario to Washington, D.C.

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. flight tickets
Porter Airlines
Jan 30
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Feb 1
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$187
Find similar
Porter Airlines
Dec 5
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Dec 8
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$188
Find similar
Porter Airlines
Nov 27
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Dec 2
IAD6:30 pmWashington, D.C. Dulles Intl
1h 30m
YTZ8:00 pmToronto Island
$189
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Washington, D.C. 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 November 3, 2025.
Use the filters below to find and compare flights from Ontario to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 1/30

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/1

11:40 am-1:10 pm

Nonstop1h 30m

$187

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/8

11:40 am-1:10 pm

Nonstop1h 30m

$188

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 1/30

12:15 pm-7:17 pm

3 stops31h 02m

Baltimore/Washington

Sun 2/1

9:37 pm-2:20 pm

1 stop16h 43m

$189

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 3/7

1:12 pm-11:50 pm

1 stop10h 38m

Washington, D.C. Reagan-National

Sun 3/8

9:59 am-11:51 am

Nonstop1h 52m

$193

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 1/30

7:10 am-8:32 pm

1 stop13h 22m

Baltimore/Washington

Sun 2/1

9:37 pm-2:20 pm

1 stop16h 43m

$204

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 12/4

7:20 am-8:55 am

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 12/7

6:00 am-10:49 am

1 stop4h 49m

$210

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 12/17

6:10 pm-7:45 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Wed 12/24

6:00 am-11:40 am

1 stop5h 40m

$212

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/16

10:59 am-12:49 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Tue 1/20

10:12 am-11:59 am

Nonstop1h 47m

$218

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 11/17

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 11/20

11:40 am-1:10 pm

Nonstop1h 30m

$247

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 11/21

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 11/23

11:40 am-1:10 pm

Nonstop1h 30m

$251

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 Washington, D.C. from

How to get the cheapest flight ticket from Region of Ontario to Washington, D.C.

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 Washington, D.C.?

The month of April is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $220. If you’re not able to fly to Washington, D.C. in April, then August is your next best option. Flight prices from Region of Ontario to Washington, D.C. during August average around $220.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Region of Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $294. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Washington, D.C. for around $453.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Region of Ontario to Washington, D.C. when you can find flight prices for as low as $306. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $360. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Washington, D.C. flight route?

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Region of Ontario for as low as $250 on momondo.

What cabin class options are available on Ontario to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Ontario to Washington, D.C. 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 Washington, D.C. flights?

You could potentially save up to 18% on your flight if you consider stops on a Region of Ontario to Washington, D.C. flight.

Cheap Region of Ontario to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Washington, D.C.

Best Price Found

$183

Fastest flight time

1h 29m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Region of Ontario in the past 72 hours is $183. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is $191.
The fastest flight from Region of Ontario to Washington, D.C. takes 1h 29m
Direct flights go from Region of Ontario to Washington, D.C. every day.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Ontario to Washington, D.C.?

    Prices for flights from Ontario to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Ontario to Washington, D.C.?

  • How old do you have to be to fly from Ontario to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Region of Ontario to Washington, D.C.?

Best airlines flying from Region of Ontario to Washington, D.C.

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $133Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
Air CanadaPriceFrom $158Free CancellationRating
7.1
10,394 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,001 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,153 reviews
Search WestJet flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Washington, D.C.?

Finding the right flight to Washington, D.C. from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Ontario to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ontario with this policy.

How can momondo help me find flights from Ontario to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ontario.

I’m not ready to book a flight from Ontario to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ontario and alert you when they change.

An easier way to manage your Washington, D.C. 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.
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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport