What airlines fly to Washington, D.C. Dulles Intl Airport?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Region of Ontario according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Washington, D.C. Dulles Intl?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Ontario to Washington, D.C. Dulles Intl

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Region of Ontario to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Toronto and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 1h 27m on average. Another popular route from Region of Ontario to Washington, D.C. Dulles Intl Airport is flying from Ottawa to Washington, D.C. Dulles Intl Airport, which will take roughly 1h 50m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

The number of operators available for flights from Ontario to Washington, D.C. Dulles Intl Airport is 3 as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The required travel and health documents for your Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$128 Cheap Flights from Region of Ontario to Washington, D.C. Dulles Intl Airport in 2025/26

Q: How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2025, there are 230 flights per week flying from Region of Ontario to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Q: How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per day?

As of November 2025, 32 flights take off from Region of Ontario and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 2:00PM, with 35% of daily flights taking off in the afternoon.

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8:50 am - 10:19 amYTZ-IAD

1h 29mnonstop

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

$192Porter Airlines

Find Deal

dom., ene. 11 - dom., feb. 22

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

$193Porter Airlines

Find Deal

mié., dic. 24 - lun., dic. 29

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

$194Porter Airlines

Find Deal

mié., dic. 24 - lun., dic. 29

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

$195Porter Airlines

Find Deal

vie., dic. 12 - mié., dic. 17

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

$196Porter Airlines

Find Deal

vie., dic. 12 - lun., dic. 15

2:15 pm - 3:46 pmYYZ-IAD

1h 31mnonstop

9:00 am - 10:29 amIAD-YYZ

1h 29mnonstop

$203Air Canada

Find Deal

sáb., dic. 13 - dom., dic. 14

7:40 pm - 9:25 pmYYZ-IAD

1h 45mnonstop

8:20 am - 7:45 pmIAD-YYZ

11h 25m1 stop

$206United Airlines

Find Deal

sáb., ene. 24 - dom., ene. 25

4:10 pm - 9:22 pmYYZ-IAD

5h 12m1 stop

9:00 am - 10:29 amIAD-YYZ

1h 29mnonstop

$208Air Canada

Find Deal

sáb., dic. 13 - dom., dic. 14

6:45 am - 10:19 amYUL-IAD

3h 34m1 stop

9:45 am - 11:30 amIAD-YUL

1h 45mnonstop

$252Multiple Airlines

Find Deal

vie., ene. 2 - vie., ene. 9

7:30 pm - 9:22 pmYOW-IAD

1h 52mnonstop

12:42 pm - 2:27 pmIAD-YOW

1h 45mnonstop

$289United Airlines

Find Deal

sáb., dic. 13 - dom., dic. 14

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

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets

Porter Airlines

Jan 11

YTZ8:50 amToronto Island

1h 29m

IAD10:19 amWashington, D.C. Dulles Intl

Feb 22

IAD6:30 pmWashington, D.C. Dulles Intl

1h 30m

YTZ8:00 pmToronto Island

$192

Find similar

Porter Airlines

Dec 24

YTZ8:55 amToronto Island

1h 29m

IAD10:24 amWashington, D.C. Dulles Intl

Dec 29

IAD6:30 pmWashington, D.C. Dulles Intl

1h 30m

YTZ8:00 pmToronto Island

$193

Find similar

Porter Airlines

Dec 24

YTZ8:55 amToronto Island

1h 29m

IAD10:24 amWashington, D.C. Dulles Intl

Dec 29

IAD11:40 amWashington, D.C. Dulles Intl

1h 30m

YTZ1:10 pmToronto Island

$194

Find similar

United Airlines flights from Region of Ontario to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

Jan 24

YYZ7:40 pmToronto Pearson Intl

1h 45m

IAD9:25 pmWashington, D.C. Dulles Intl

Jan 25

IAD8:20 amWashington, D.C. Dulles Intl

11h 25m

1 stop

YYZ7:45 pmToronto Pearson Intl

$206

Find similar

United Airlines

Jan 16

YYZ2:45 pmToronto Pearson Intl

1h 45m

IAD4:30 pmWashington, D.C. Dulles Intl

Jan 20

IAD8:20 amWashington, D.C. Dulles Intl

5h 41m

1 stop

YYZ2:01 pmToronto Pearson Intl

$227

Find similar

United Airlines

Dec 2

YYZ7:40 pmToronto Pearson Intl

1h 40m

IAD9:20 pmWashington, D.C. Dulles Intl

Dec 9

IAD5:15 pmWashington, D.C. Dulles Intl

1h 42m

YYZ6:57 pmToronto Pearson Intl

$234

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

dom. 1/11

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

dom. 2/22

6:30 pm-8:00 pm

Nonstop1h 30m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

mié. 12/24

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

lun. 12/29

6:30 pm-8:00 pm

Nonstop1h 30m

$193

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

mié. 12/24

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

lun. 12/29

11:40 am-1:10 pm

Nonstop1h 30m

$194

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 12/12

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

mié. 12/17

6:30 pm-8:00 pm

Nonstop1h 30m

$195

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 12/12

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

lun. 12/15

11:40 am-1:10 pm

Nonstop1h 30m

$196

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

sáb. 12/13

2:15 pm-3:46 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

dom. 12/14

9:00 am-10:29 am

Nonstop1h 29m

$203

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

sáb. 1/24

7:40 pm-9:25 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

dom. 1/25

8:20 am-7:45 pm

1 stop11h 25m

$206

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

sáb. 12/13

4:10 pm-9:22 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

dom. 12/14

9:00 am-10:29 am

Nonstop1h 29m

$208

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

vie. 1/2

6:45 am-10:19 am

1 stop3h 34m

Washington, D.C. Dulles Intl

vie. 1/9

9:45 am-11:30 am

Nonstop1h 45m

$252

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

sáb. 12/13

7:30 pm-9:22 pm

Nonstop1h 52m

Washington, D.C. Dulles Intl

dom. 12/14

12:42 pm-2:27 pm

Nonstop1h 45m

$289

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

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Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Region of Ontario to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $195. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $208.

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

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $300. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Washington, D.C. Dulles Intl Airport for around $446.

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

Flying to Washington, D.C. Dulles Intl Airport from Region of Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $211 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $433 on average. Flights to Washington, D.C. Dulles Intl Airport from Region of Ontario in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $287 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Region of Ontario for as low as $240 on momondo.

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

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

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

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

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

Best Price Found	$183
Fastest flight time	1h 29m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport found on momondo in the last 72 hours is $191.

The fastest flight from Region of Ontario to Washington, D.C. Dulles Intl Airport takes 1h 29m

Direct flights go from Region of Ontario to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Ontario to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ontario to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Ontario to Washington, D.C. Dulles Intl Airport is 3 as of November 2025.
How old do you have to be to fly from Ontario to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. 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 Region of Ontario to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Washington, D.C. Dulles Intl Airport is De Havilland (Bombardier) DHC-8-400 Dash 8Q (25.80% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (19.76%), Embraer 175 (12.66%), and Canadair (Bombardier) Regional Jet 900 (7.22%).

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

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $171	Free Cancellation	Rating 7.1 10,459 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $174	Free Cancellation	Rating 8.0 392 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $184	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Reston

Manassas

Gaithersburg

Fairfax

Glen Burnie

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?

momondo does allow users to show only those flights to Washington, D.C. from Ontario which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Ontario to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Washington, D.C. Dulles Intl Airport flight routes

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Cheap flights from Ontario to Washington, D.C. from $128

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 12/7. 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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Porter Airlines flights from Region of Ontario to Washington, D.C. Dulles Intl Airport

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines flights from Region of Ontario to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets

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Use the filters below to find and compare flights from Ontario to Washington, D.C. Dulles Intl Airport that are best for you.

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

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. Dulles Intl Airport?

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

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

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

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

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

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

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

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

What is the cheapest airline that flies from Ontario to Washington, D.C. Dulles Intl?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Ontario to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per day?

As of November 2025, 32 flights take off from Region of Ontario and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 2:00PM, with 35% of daily flights taking off in the afternoon.

How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2025, there are 230 flights per week flying from Region of Ontario to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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

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

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. Dulles Intl Airport with momondo

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

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Dulles Intl Airport 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 Washington, D.C.

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