Which airlines fly to Washington, D.C.?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Washington, D.C. from London, Ontario according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Washington, D.C.?

Air Canada, United Airlines, and WestJet are the most popular carriers operating from London to Washington, D.C.

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

Prices for flights from London Airport to Washington, D.C. refresh daily.

How old do you have to be to fly from London Airport 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 London Airport 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.

C$ 389 Cheap Flights from London, Ontario to Washington, D.C. in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 a.m. - 3:24 p.m.

YXU

IAD

5h 19m

1 stop

4:20 p.m. - 8:32 p.m.

IAD

YXU

4h 12m

1 stop

C$ 696Air Canada

Thu, 23 Jul - Sat, 1 Aug

10:05 a.m. - 7:01 p.m.

YXU

IAD

8h 56m

2 stops

9:55 a.m. - 2:52 p.m.

IAD

YXU

4h 57m

1 stop

C$ 701Air Canada

Thu, 23 Jul - Sat, 1 Aug

3:25 p.m. - 7:57 p.m.

YXU

DCA

4h 32m

1 stop

9:40 a.m. - 3:06 p.m.

DCA

YXU

5h 26m

1 stop

C$ 721Air Canada

Tue, 3 Nov - Sat, 7 Nov

3:25 p.m. - 8:10 p.m.

YXU

IAD

4h 45m

1 stop

4:30 p.m. - 9:46 p.m.

IAD

YXU

5h 16m

1 stop

C$ 721Air Canada

Tue, 3 Nov - Sat, 7 Nov

5:45 a.m. - 12:19 p.m.

YXU

DCA

6h 34m

2 stops

12:55 p.m. - 9:46 p.m.

DCA

YXU

8h 51m

2 stops

C$ 723Air Canada

Tue, 3 Nov - Sat, 7 Nov

9:45 a.m. - 3:50 p.m.

YXU

IAD

6h 05m

1 stop

4:30 p.m. - 9:46 p.m.

IAD

YXU

5h 16m

1 stop

C$ 723Air Canada

Tue, 3 Nov - Sat, 7 Nov

10:05 a.m. - 10:54 p.m.

YXU

DCA

12h 49m

2 stops

11:00 a.m. - 2:52 p.m.

DCA

YXU

3h 52m

1 stop

C$ 944United Airlines

Fri, 3 Jul - Fri, 10 Jul

10:05 a.m. - 6:12 p.m.

YXU

DCA

8h 07m

2 stops

6:00 a.m. - 2:52 p.m.

DCA

YXU

8h 52m

2 stops

C$ 976United Airlines

Fri, 3 Jul - Fri, 10 Jul

5:40 a.m. - 9:29 p.m.

YXU

BWI

15h 49m

2 stops

10:25 a.m. - 9:40 p.m.

BWI

YXU

11h 15m

2 stops

C$ 1,038United Airlines

Tue, 25 Aug - Sat, 29 Aug

2:40 p.m. - 10:44 p.m.

YXU

BWI

32h 04m

3 stops

12:25 p.m. - 5:20 a.m.

BWI

YXU

40h 55m

3 stops

C$ 1,697Multiple Airlines

Sun, 28 Jun - Sun, 5 Jul

Air Canada flights from London, Ontario to Washington, D.C.

Our best Air Canada deals on London, Ontario to Washington, D.C. flight tickets

Air Canada

23 Jul

YXU10:05 a.m.London

5h 19m

1 stop

IAD3:24 p.m.Washington, D.C. Dulles Intl

1 Aug

IAD4:20 p.m.Washington, D.C. Dulles Intl

4h 12m

1 stop

YXU8:32 p.m.London

C$ 696

Air Canada

23 Jul

YXU10:05 a.m.London

8h 56m

2 stops

IAD7:01 p.m.Washington, D.C. Dulles Intl

1 Aug

IAD9:55 a.m.Washington, D.C. Dulles Intl

4h 57m

1 stop

YXU2:52 p.m.London

C$ 701

Air Canada

3 Nov

YXU3:25 p.m.London

4h 45m

1 stop

IAD8:10 p.m.Washington, D.C. Dulles Intl

7 Nov

IAD4:30 p.m.Washington, D.C. Dulles Intl

5h 16m

1 stop

YXU9:46 p.m.London

C$ 721

United Airlines flights from London, Ontario to Washington, D.C.

Our best United Airlines deals on London, Ontario to Washington, D.C. flight tickets

United Airlines

18 Jul

YXU10:05 a.m.London

5h 19m

1 stop

IAD3:24 p.m.Washington, D.C. Dulles Intl

25 Jul

IAD8:15 a.m.Washington, D.C. Dulles Intl

12h 17m

2 stops

YXU8:32 p.m.London

C$ 936

United Airlines

3 Jul

YXU10:05 a.m.London

8h 57m

2 stops

IAD7:02 p.m.Washington, D.C. Dulles Intl

10 Jul

IAD4:20 p.m.Washington, D.C. Dulles Intl

4h 12m

1 stop

YXU8:32 p.m.London

C$ 944

United Airlines

18 Jul

YXU10:05 a.m.London

8h 57m

2 stops

IAD7:02 p.m.Washington, D.C. Dulles Intl

25 Jul

IAD6:33 a.m.Washington, D.C. Dulles Intl

8h 19m

2 stops

YXU2:52 p.m.London

C$ 976

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Thu 23/7

10:05 a.m.-3:24 p.m.

1 stop5h 19m

Washington, D.C. Dulles Intl

Sat 1/8

4:20 p.m.-8:32 p.m.

1 stop4h 12m

C$ 696

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Thu 23/7

10:05 a.m.-7:01 p.m.

2 stops8h 56m

Washington, D.C. Dulles Intl

Sat 1/8

9:55 a.m.-2:52 p.m.

1 stop4h 57m

C$ 701

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Tue 3/11

3:25 p.m.-7:57 p.m.

1 stop4h 32m

Washington, D.C. Reagan-National

Sat 7/11

9:40 a.m.-3:06 p.m.

1 stop5h 26m

C$ 721

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Tue 3/11

3:25 p.m.-8:10 p.m.

1 stop4h 45m

Washington, D.C. Dulles Intl

Sat 7/11

4:30 p.m.-9:46 p.m.

1 stop5h 16m

C$ 721

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Tue 3/11

5:45 a.m.-12:19 p.m.

2 stops6h 34m

Washington, D.C. Reagan-National

Sat 7/11

12:55 p.m.-9:46 p.m.

2 stops8h 51m

C$ 723

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Tue 3/11

9:45 a.m.-3:50 p.m.

1 stop6h 05m

Washington, D.C. Dulles Intl

Sat 7/11

4:30 p.m.-9:46 p.m.

1 stop5h 16m

C$ 723

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 3/7

10:05 a.m.-10:54 p.m.

2 stops12h 49m

Washington, D.C. Reagan-National

Fri 10/7

11:00 a.m.-2:52 p.m.

1 stop3h 52m

C$ 944

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 3/7

10:05 a.m.-6:12 p.m.

2 stops8h 07m

Washington, D.C. Reagan-National

Fri 10/7

6:00 a.m.-2:52 p.m.

2 stops8h 52m

C$ 976

LondonBaltimore

YXU - BWI

YXUBWI

London

Tue 25/8

5:40 a.m.-9:29 p.m.

2 stops15h 49m

Baltimore/Washington

Sat 29/8

10:25 a.m.-9:40 p.m.

2 stops11h 15m

C$ 1,038

LondonBaltimore

YXU - BWI

YXUBWI

London

Sun 28/6

2:40 p.m.-10:44 p.m.

3 stops32h 04m

Baltimore/Washington

Sun 5/7

12:25 p.m.-5:20 a.m.

3 stops40h 55m

C$ 1,697

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 London, 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

Prices

Airlines

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

The cheapest day to depart from London, Ontario to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 528. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 991.

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 London, Ontario to Washington, D.C. when you can find flight prices for as low as C$ 517. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 871 per ticket.

Can stopping save me money on London, Ontario to Washington, D.C. flights?

You could potentially save up to 57% on your flight if you consider stops on a London, Ontario to Washington, D.C. flight.

When to book flights from London, Ontario to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London, Ontario to Washington, D.C. (YXU to WAS) flight deals and tips

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

Fastest flight time	4h 21m
Direct flights	None

The fastest flight from London, Ontario to Washington, D.C. takes 4h 21m

There are no direct flights from London, Ontario to Washington, D.C.. There are no popular flight routes from London, Ontario to Washington, D.C..

Search flight deals

Frequently asked questions about flying from London, Ontario to Washington, D.C.

How far is London to Washington, D.C. by plane?
London and Washington, D.C. are 573.8 km apart from one another. A reasonable flight in good conditions will take 4h 21m.
When did momondo last update prices for flights from London Airport to Washington, D.C.?
Prices for flights from London Airport to Washington, D.C. refresh daily.
How old do you have to be to fly from London Airport 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 London Airport 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.

Alexandria

Gettysburg

Fairfax

Gaithersburg

Linthicum Heights

Arlington

Bethesda

National Harbor

Reston

Laurel

Herndon

Fredericksburg

Manassas

Woodbridge

Silver Spring

Falls Church

Rockville

McLean

Tysons

Why use momondo?

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

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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

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Nearby airports

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Other flights from London, Ontario

Complete your trip

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from London, Ontario to Washington, D.C. from C$ 389

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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

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Air Canada flights from London, Ontario to Washington, D.C.

Our best Air Canada deals on London, Ontario to Washington, D.C. flight tickets

United Airlines flights from London, Ontario to Washington, D.C.

Our best United Airlines deals on London, Ontario to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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

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

Can stopping save me money on London, Ontario to Washington, D.C. flights?

What is the cheapest airline that flies from London to Washington, D.C.?

Which airlines fly to Washington, D.C.?

When to book flights from London, Ontario to Washington, D.C.

Cheap London, Ontario to Washington, D.C. (YXU to WAS) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from London, Ontario to Washington, D.C.

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

Why use momondo?

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.

Get notified when prices go down

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

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 36.1 km from Washington, D.C.

Fly your favourite airline to Washington, D.C.

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

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

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

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According to popular flight searches on momondo this year

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