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Cheap flights from Ontario to Washington, D.C. from $130

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 2/3. 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

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Find the cheapest flights from Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 8:26 pm
YYZ
-
IAD
1h 31mnonstop
Air Canada Logo
4:30 pm - 6:03 pm
IAD
-
YYZ
1h 33mnonstop
$201Air Canada
Fri, Jan 9 - Sun, Jan 11
Air Canada Logo
10:45 am - 3:33 pm
YTZ
-
DCA
4h 48m1 stop
Air Canada Logo
12:55 pm - 6:10 pm
DCA
-
YTZ
5h 15m1 stop
$201Air Canada
Tue, Feb 3 - Tue, Feb 10
Porter Airlines Logo
8:50 am - 10:19 am
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
11:35 am - 1:09 pm
IAD
-
YTZ
1h 34mnonstop
$202Porter Airlines
Thu, Jan 15 - Sun, Jan 18
Porter Airlines Logo
8:50 am - 10:19 am
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
11:35 am - 1:09 pm
IAD
-
YTZ
1h 34mnonstop
$203Porter Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
3:40 pm - 11:36 pm
YYZ
-
BWI
7h 56m1 stop
Multiple Airlines Logo
1:00 pm - 11:20 pm
BWI
-
YYZ
10h 20m1 stop
$210Multiple Airlines
Sat, Jan 17 - Tue, Jan 20
American Airlines Logo
5:15 pm - 7:14 pm
YYZ
-
DCA
1h 59mnonstop
American Airlines Logo
2:08 pm - 7:00 pm
DCA
-
YYZ
4h 52m1 stop
$211American Airlines
Mon, Jan 12 - Tue, Jan 13
Multiple Airlines Logo
5:15 pm - 10:32 am
YYZ
-
BWI
17h 17m1 stop
Multiple Airlines Logo
1:00 pm - 11:20 pm
BWI
-
YYZ
10h 20m1 stop
$211Multiple Airlines
Fri, Jan 16 - Tue, Jan 20
American Airlines Logo
10:59 am - 5:49 pm
YYZ
-
DCA
6h 50m1 stop
American Airlines Logo
2:08 pm - 7:00 pm
DCA
-
YYZ
4h 52m1 stop
$226American Airlines
Mon, Jan 12 - Tue, Jan 13
United Airlines Logo
2:15 pm - 4:13 pm
YOW
-
IAD
1h 58mnonstop
United Airlines Logo
10:10 pm - 11:54 pm
IAD
-
YOW
1h 44mnonstop
$284United Airlines
Wed, Jan 21 - Fri, Jan 23
United Airlines Logo
7:27 pm - 9:25 pm
YOW
-
IAD
1h 58mnonstop
United Airlines Logo
8:29 am - 1:32 pm
IAD
-
YOW
5h 03m1 stop
$294United Airlines
Wed, Feb 4 - Wed, Feb 11

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 7
YTZ8:50 amToronto Island
1h 29m
IAD10:19 amWashington, D.C. Dulles Intl
Jan 12
IAD11:35 amWashington, D.C. Dulles Intl
1h 34m
YTZ1:09 pmToronto Island
$199
Find similar
Porter Airlines
Jan 15
YTZ8:50 amToronto Island
1h 29m
IAD10:19 amWashington, D.C. Dulles Intl
Jan 18
IAD11:35 amWashington, D.C. Dulles Intl
1h 34m
YTZ1:09 pmToronto Island
$202
Find similar
Porter Airlines
Jan 18
YTZ8:50 amToronto Island
1h 29m
IAD10:19 amWashington, D.C. Dulles Intl
Jan 25
IAD11:35 amWashington, D.C. Dulles Intl
1h 34m
YTZ1:09 pmToronto Island
$203
Find similar

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

Our best Air Canada deals on Region of Ontario to Washington, D.C. flight tickets
Air Canada
Jan 9
YYZ6:55 pmToronto Pearson Intl
1h 31m
IAD8:26 pmWashington, D.C. Dulles Intl
Jan 12
IAD9:00 amWashington, D.C. Dulles Intl
1h 29m
YYZ10:29 amToronto Pearson Intl
$201
Find similar
Air Canada
Feb 7
YYZ6:55 pmToronto Pearson Intl
1h 34m
IAD8:29 pmWashington, D.C. Dulles Intl
Mar 8
IAD9:00 amWashington, D.C. Dulles Intl
1h 29m
YYZ10:29 amToronto Pearson Intl
$203
Find similar
Air Canada
Jan 9
YTZ8:30 amToronto Island
7h 01m
1 stop
DCA3:31 pmWashington, D.C. Reagan-National
Jan 11
DCA12:55 pmWashington, D.C. Reagan-National
5h 18m
1 stop
YTZ6:13 pmToronto Island
$205
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 December 21, 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.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 1/9

6:55 pm-8:26 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 1/11

4:30 pm-6:03 pm

Nonstop1h 33m

$201

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 2/3

10:45 am-3:33 pm

1 stop4h 48m

Washington, D.C. Reagan-National

Tue 2/10

12:55 pm-6:10 pm

1 stop5h 15m

$201

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 1/15

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 1/18

11:35 am-1:09 pm

Nonstop1h 34m

$202

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 1/18

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 1/25

11:35 am-1:09 pm

Nonstop1h 34m

$203

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 1/17

3:40 pm-11:36 pm

1 stop7h 56m

Baltimore/Washington

Tue 1/20

1:00 pm-11:20 pm

1 stop10h 20m

$210

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 1/12

5:15 pm-7:14 pm

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 1/13

2:08 pm-7:00 pm

1 stop4h 52m

$211

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 1/16

5:15 pm-10:32 am

1 stop17h 17m

Baltimore/Washington

Tue 1/20

1:00 pm-11:20 pm

1 stop10h 20m

$211

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 1/12

10:59 am-5:49 pm

1 stop6h 50m

Washington, D.C. Reagan-National

Tue 1/13

2:08 pm-7:00 pm

1 stop4h 52m

$226

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 1/21

2:15 pm-4:13 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Fri 1/23

10:10 pm-11:54 pm

Nonstop1h 44m

$284

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 2/4

7:27 pm-9:25 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Wed 2/11

8:29 am-1:32 pm

1 stop5h 03m

$294

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 October is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $213. If you’re not able to fly to Washington, D.C. in October, then April is your next best option. Flight prices from Region of Ontario to Washington, D.C. during April 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 $481.

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

In the morning 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 $313. Flying to Washington, D.C. in the morning 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 $375. 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 $289 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 $240 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 10% 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

$136

Fastest flight time

1h 25m

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 $136. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is $203.
The fastest flight from Region of Ontario to Washington, D.C. takes 1h 25m
Direct flights go from Region of Ontario to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Region of Ontario there are direct flights to 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
9,099 reviews
Search United Airlines flights
Air CanadaPriceFrom $158Free CancellationRating
7.1
10,549 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,021 reviews
Search Delta flights
WestJetPriceFrom $260Free CancellationRating
7.2
3,208 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
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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