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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Airport.

What documentation or ID do you need to fly to London Airport?

The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 255 Cheap Flights from Washington, D.C. Dulles Intl Airport to London, Ontario in 2026

1 adult

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 p.m. - 9:40 p.m.

IAD

YXU

5h 15m

1 stop

9:30 a.m. - 3:29 p.m.

YXU

IAD

5h 59m

1 stop

C$ 747Air Canada

Fri, 10 Jul - Sun, 12 Jul

4:30 p.m. - 9:19 p.m.

IAD

YXU

4h 49m

1 stop

9:25 a.m. - 7:40 p.m.

YXU

IAD

10h 15m

2 stops

C$ 759Air Canada

Tue, 28 Apr - Wed, 29 Apr

9:55 a.m. - 5:04 p.m.

IAD

YXU

7h 09m

2 stops

9:25 a.m. - 7:40 p.m.

YXU

IAD

10h 15m

2 stops

C$ 770Air Canada

Tue, 28 Apr - Wed, 29 Apr

4:30 p.m. - 9:19 p.m.

IAD

YXU

4h 49m

1 stop

9:25 a.m. - 8:29 p.m.

YXU

IAD

11h 04m

1 stop

C$ 781Air Canada

Tue, 28 Apr - Wed, 29 Apr

4:30 p.m. - 9:19 p.m.

IAD

YXU

4h 49m

1 stop

5:40 p.m. - 9:25 p.m.

YXU

IAD

3h 45m

1 stop

C$ 880United Airlines

Mon, 13 Apr - Mon, 20 Apr

4:30 p.m. - 9:19 p.m.

IAD

YXU

4h 49m

1 stop

9:25 a.m. - 4:22 p.m.

YXU

IAD

6h 57m

2 stops

C$ 890Air Canada

Tue, 14 Apr - Tue, 21 Apr

6:15 a.m. - 5:03 p.m.

IAD

YXU

10h 48m

2 stops

5:40 p.m. - 9:25 p.m.

YXU

IAD

3h 45m

1 stop

C$ 893United Airlines

Sat, 11 Apr - Sat, 18 Apr

9:55 a.m. - 3:00 p.m.

IAD

YXU

5h 05m

1 stop

3:30 p.m. - 11:19 p.m.

YXU

IAD

7h 49m

2 stops

C$ 900United Airlines

Fri, 17 Jul - Tue, 21 Jul

1:10 p.m. - 9:19 p.m.

IAD

YXU

8h 09m

2 stops

9:25 a.m. - 4:22 p.m.

YXU

IAD

6h 57m

2 stops

C$ 904Air Canada

Tue, 14 Apr - Tue, 21 Apr

10:14 p.m. - 8:44 a.m.

IAD

YXU

10h 30m

1 stop

5:40 p.m. - 9:25 p.m.

YXU

IAD

3h 45m

1 stop

C$ 912United Airlines

Sun, 12 Apr - Sun, 19 Apr

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

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

Air Canada

10 Jul

IAD4:25 p.m.Washington, D.C. Dulles Intl

5h 15m

1 stop

YXU9:40 p.m.London

12 Jul

YXU9:30 a.m.London

5h 59m

1 stop

IAD3:29 p.m.Washington, D.C. Dulles Intl

C$ 747

Air Canada

28 Apr

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

4h 49m

1 stop

YXU9:19 p.m.London

29 Apr

YXU9:25 a.m.London

10h 15m

2 stops

IAD7:40 p.m.Washington, D.C. Dulles Intl

C$ 759

Air Canada

28 Apr

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

7h 09m

2 stops

YXU5:04 p.m.London

29 Apr

YXU9:25 a.m.London

10h 15m

2 stops

IAD7:40 p.m.Washington, D.C. Dulles Intl

C$ 770

WestJet flights from Washington, D.C. Dulles Intl Airport to London, Ontario

Our best WestJet deals on Washington, D.C. Dulles Intl Airport to London, Ontario flight tickets

WestJet

10 Jul

IAD7:00 p.m.Washington, D.C. Dulles Intl

10h 20m

1 stop

YXU5:20 a.m.London

12 Jul

YXU5:55 p.m.London

24h 15m

1 stop

IAD6:10 p.m.Washington, D.C. Dulles Intl

C$ 1,553

WestJet

10 Jul

IAD7:00 p.m.Washington, D.C. Dulles Intl

10h 20m

1 stop

YXU5:20 a.m.London

12 Jul

YXU5:55 p.m.London

24h 15m

1 stop

IAD6:10 p.m.Washington, D.C. Dulles Intl

C$ 5,030

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 10/7

4:25 p.m.-9:40 p.m.

1 stop5h 15m

London

Sun 12/7

9:30 a.m.-3:29 p.m.

1 stop5h 59m

C$ 747

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 28/4

4:30 p.m.-9:19 p.m.

1 stop4h 49m

London

Wed 29/4

9:25 a.m.-7:40 p.m.

2 stops10h 15m

C$ 759

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 28/4

9:55 a.m.-5:04 p.m.

2 stops7h 09m

London

Wed 29/4

9:25 a.m.-7:40 p.m.

2 stops10h 15m

C$ 770

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 28/4

4:30 p.m.-9:19 p.m.

1 stop4h 49m

London

Wed 29/4

9:25 a.m.-8:29 p.m.

1 stop11h 04m

C$ 781

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 13/4

4:30 p.m.-9:19 p.m.

1 stop4h 49m

London

Mon 20/4

5:40 p.m.-9:25 p.m.

1 stop3h 45m

C$ 880

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 14/4

4:30 p.m.-9:19 p.m.

1 stop4h 49m

London

Tue 21/4

9:25 a.m.-4:22 p.m.

2 stops6h 57m

C$ 890

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 11/4

6:15 a.m.-5:03 p.m.

2 stops10h 48m

London

Sat 18/4

5:40 p.m.-9:25 p.m.

1 stop3h 45m

C$ 893

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 17/7

9:55 a.m.-3:00 p.m.

1 stop5h 05m

London

Tue 21/7

3:30 p.m.-11:19 p.m.

2 stops7h 49m

C$ 900

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 14/4

1:10 p.m.-9:19 p.m.

2 stops8h 09m

London

Tue 21/4

9:25 a.m.-4:22 p.m.

2 stops6h 57m

C$ 904

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sun 12/4

10:14 p.m.-8:44 a.m.

1 stop10h 30m

London

Sun 19/4

5:40 p.m.-9:25 p.m.

1 stop3h 45m

C$ 912

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 Washington, D.C. Dulles Intl Airport to London, Ontario

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 airline that flies from Washington, D.C. Dulles Intl to London?

Air Canada is the most popular carrier operating from Washington, D.C. Dulles Intl to London

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

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

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to London, Ontario (IAD to YXU) flight deals and tips

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

Fastest flight time	4h 48m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to London, Ontario takes 4h 48m

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

Search flight deals

How far is Washington, D.C. Dulles Intl to London by plane?
The distance between Washington, D.C. Dulles Intl and London is about 549.2 km. A reasonable flight in good conditions will take 4h 48m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to London Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to London Airport were last updated today.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to London Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Grand Bend

Port Stanley

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to London for you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to London flights to just show those with flexible booking policies.

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

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 London from Washington, D.C..

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

Price alerts on flights to London from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.