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Cheap flights from Ontario to Washington, D.C. 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 Washington, D.C. departing on 9/23. 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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Find the cheapest flights from Ontario to Washington, D.C.

Cheap round-trip flights

Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
$166Porter Airlines
Find Deal
Sun, Sep 21 - Sun, Sep 28
Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
$187Porter Airlines
Find Deal
Mon, Sep 8 - Thu, Sep 11
Air Canada Logo
8:55 pm - 10:34 pmYYZ-DCA
1h 39mnonstop
Air Canada Logo
8:40 pm - 10:12 pmDCA-YYZ
1h 32mnonstop
$193Air Canada
Find Deal
Fri, Sep 26 - Fri, Oct 3
Air Canada Logo
6:10 pm - 7:44 pmYYZ-DCA
1h 34mnonstop
Air Canada Logo
6:00 am - 12:39 pmDCA-YYZ
6h 39m1 stop
$194Air Canada
Find Deal
Fri, Sep 26 - Fri, Oct 3
United Airlines Logo
7:40 pm - 9:20 pmYYZ-IAD
1h 40mnonstop
United Airlines Logo
8:20 am - 2:01 pmIAD-YYZ
5h 41m1 stop
$214United Airlines
Find Deal
Tue, Dec 9 - Wed, Dec 10
Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
Logo
9:35 am - 2:45 pmIAD-YTZ
5h 10m1 stop
$215
Find Deal
Sat, Sep 27 - Sat, Oct 4
Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
Logo
9:45 am - 2:45 pmIAD-YTZ
5h 00m1 stop
$216
Find Deal
Thu, Sep 4 - Sun, Sep 7
Air Transat Logo
9:00 am - 10:29 amYTZ-IAD
1h 29mnonstop
Air Transat Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$217Air Transat
Find Deal
Tue, Oct 28 - Sun, Nov 2
Air Transat Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Air Transat Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
$218Air Transat
Find Deal
Sun, Sep 7 - Sun, Sep 7
United Airlines Logo
12:45 pm - 2:25 pmYYZ-IAD
1h 40mnonstop
United Airlines Logo
6:40 pm - 11:58 pmIAD-YYZ
5h 18m1 stop
$245United Airlines
Find Deal
Tue, Sep 9 - Sun, Sep 14

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
Sep 21
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Sep 28
IAD4:20 pmWashington, D.C. Dulles Intl
1h 33m
YTZ5:53 pmToronto Island
$166
Find similar
Porter Airlines
Sep 8
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Sep 11
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$187
Find similar
Porter Airlines
Sep 3
YTZ1:35 pmToronto Island
1h 31m
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 14
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$188
Find similar

Delta flights from Region of Ontario to Washington, D.C.

Our best Delta deals on Region of Ontario to Washington, D.C. flight tickets
Delta
Sep 9
YYZ6:04 amToronto Pearson Intl
5h 58m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
Oct 28
IAD6:05 amWashington, D.C. Dulles Intl
8h 40m
1 stop
YYZ2:45 pmToronto Pearson Intl
$244
Find similar
Delta
Sep 10
YYZ12:15 pmToronto Pearson Intl
5h 19m
1 stop
IAD5:34 pmWashington, D.C. Dulles Intl
Sep 14
IAD6:00 amWashington, D.C. Dulles Intl
3h 22m
1 stop
YYZ9:22 amToronto Pearson Intl
$250
Find similar
Delta
Sep 12
YYZ6:13 pmToronto Pearson Intl
4h 53m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
Sep 14
IAD6:00 amWashington, D.C. Dulles Intl
5h 20m
1 stop
YYZ11:20 amToronto Pearson Intl
$251
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 August 14, 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

Sun 9/21

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 9/28

4:20 pm-5:53 pm

Nonstop1h 33m

$166

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 9/8

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 9/11

11:35 am-1:08 pm

Nonstop1h 33m

$187

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 9/26

8:55 pm-10:34 pm

Nonstop1h 39m

Washington, D.C. Reagan-National

Fri 10/3

8:40 pm-10:12 pm

Nonstop1h 32m

$193

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 9/26

6:10 pm-7:44 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Fri 10/3

6:00 am-12:39 pm

1 stop6h 39m

$194

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 12/9

7:40 pm-9:20 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 12/10

8:20 am-2:01 pm

1 stop5h 41m

$214

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 9/27

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 10/4

9:35 am-2:45 pm

1 stop5h 10m

$215

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 9/4

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 9/7

9:45 am-2:45 pm

1 stop5h 00m

$216

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 10/28

9:00 am-10:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 11/2

11:40 am-1:10 pm

Nonstop1h 30m

$217

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 9/7

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 9/7

4:20 pm-5:53 pm

Nonstop1h 33m

$218

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 9/9

12:45 pm-2:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 9/14

6:40 pm-11:58 pm

1 stop5h 18m

$245

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 March is your next best option. Flight prices from Region of Ontario to Washington, D.C. during March average around $225.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $273. 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 $406.

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 $283. 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 $347. 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 $284 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 $251 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?

No. A direct flight is the cheapest option for a flight between Region of Ontario to Washington, D.C..

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

$113

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Region of Ontario in the past 72 hours is $113. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is $166.
The fastest flight from Region of Ontario to Washington, D.C. takes 1h 27m
Direct flights go from Region of Ontario to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: 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 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
Air CanadaPriceFrom $158Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $221Free CancellationRating
8.0
7,980 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,015 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
Gettysburg
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

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