How long does it take to fly to London, Ontario?

The average flight duration from Washington, D.C. to London, Ontario depends on which airport you fly into and out of. Flying from Washington, D.C. to Toronto Pearson Intl Airport is 1h 22m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 4h 52m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

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

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

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

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

The travel and health documents required for your trip to London Airport 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 London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 415 Cheap Flights from Washington, D.C. to London in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 a.m. - 11:43 a.m.

DCA

YXU

4h 44m

1 stop

12:20 p.m. - 6:13 p.m.

YXU

DCA

5h 53m

1 stop

C$ 774Air Canada

Wed, 6 May - Wed, 13 May

9:40 a.m. - 5:33 p.m.

DCA

YXU

7h 53m

2 stops

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 776Air Canada

Wed, 6 May - Wed, 13 May

6:59 a.m. - 11:43 a.m.

DCA

YXU

4h 44m

1 stop

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 781Air Canada

Wed, 6 May - Wed, 13 May

9:45 a.m. - 5:33 p.m.

IAD

YXU

7h 48m

2 stops

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

YXU

IAD

5h 59m

1 stop

C$ 785Air Canada

Wed, 6 May - Wed, 13 May

4:05 p.m. - 9:38 p.m.

IAD

YXU

5h 33m

1 stop

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

YXU

IAD

5h 59m

1 stop

C$ 795Air Canada

Fri, 8 May - Thu, 14 May

4:05 p.m. - 9:38 p.m.

IAD

YXU

5h 33m

1 stop

9:30 a.m. - 6:58 p.m.

YXU

IAD

9h 28m

2 stops

C$ 800Air Canada

Fri, 8 May - Thu, 14 May

6:59 a.m. - 11:43 a.m.

DCA

YXU

4h 44m

1 stop

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 807Air Canada

Fri, 8 May - Thu, 14 May

6:59 a.m. - 5:20 a.m.

DCA

YXU

22h 21m

3 stops

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 877Multiple Airlines

Wed, 6 May - Wed, 13 May

9:55 a.m. - 5:33 p.m.

IAD

YXU

7h 38m

1 stop

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

YXU

IAD

5h 59m

1 stop

C$ 880Air Canada

Wed, 6 May - Wed, 13 May

3:45 p.m. - 8:53 a.m.

IAD

YXU

17h 08m

2 stops

9:30 a.m. - 6:58 p.m.

YXU

IAD

9h 28m

2 stops

C$ 898Air Canada

Fri, 8 May - Thu, 14 May

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

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

Air Canada

6 May

DCA6:59 a.m.Washington, D.C. Reagan-National

4h 44m

1 stop

YXU11:43 a.m.London

13 May

YXU12:20 p.m.London

5h 53m

1 stop

DCA6:13 p.m.Washington, D.C. Reagan-National

C$ 774

Air Canada

6 May

DCA9:40 a.m.Washington, D.C. Reagan-National

7h 53m

2 stops

YXU5:33 p.m.London

13 May

YXU5:10 a.m.London

6h 51m

2 stops

DCA12:01 p.m.Washington, D.C. Reagan-National

C$ 776

Air Canada

6 May

DCA6:59 a.m.Washington, D.C. Reagan-National

4h 44m

1 stop

YXU11:43 a.m.London

13 May

YXU5:10 a.m.London

6h 51m

2 stops

DCA12:01 p.m.Washington, D.C. Reagan-National

C$ 781

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

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

United Airlines

4 May

DCA6:59 a.m.Washington, D.C. Reagan-National

4h 44m

1 stop

YXU11:43 a.m.London

11 May

YXU12:20 p.m.London

5h 53m

1 stop

DCA6:13 p.m.Washington, D.C. Reagan-National

C$ 1,042

United Airlines

6 May

DCA11:55 a.m.Washington, D.C. Reagan-National

9h 43m

2 stops

YXU9:38 p.m.London

13 May

YXU6:10 p.m.London

4h 18m

1 stop

DCA10:28 p.m.Washington, D.C. Reagan-National

C$ 1,055

United Airlines

4 May

IAD4:05 p.m.Washington, D.C. Dulles Intl

5h 33m

1 stop

YXU9:38 p.m.London

11 May

YXU12:20 p.m.London

11h 05m

2 stops

IAD11:25 p.m.Washington, D.C. Dulles Intl

C$ 1,063

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 6/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Wed 13/5

12:20 p.m.-6:13 p.m.

1 stop5h 53m

C$ 774

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 6/5

9:40 a.m.-5:33 p.m.

2 stops7h 53m

London

Wed 13/5

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 776

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 6/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Wed 13/5

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 781

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 6/5

9:45 a.m.-5:33 p.m.

2 stops7h 48m

London

Wed 13/5

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

1 stop5h 59m

C$ 785

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/5

4:05 p.m.-9:38 p.m.

1 stop5h 33m

London

Thu 14/5

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

1 stop5h 59m

C$ 795

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/5

4:05 p.m.-9:38 p.m.

1 stop5h 33m

London

Thu 14/5

9:30 a.m.-6:58 p.m.

2 stops9h 28m

C$ 800

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 8/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Thu 14/5

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 807

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 6/5

6:59 a.m.-5:20 a.m.

3 stops22h 21m

London

Wed 13/5

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 877

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 6/5

9:55 a.m.-5:33 p.m.

1 stop7h 38m

London

Wed 13/5

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

1 stop5h 59m

C$ 880

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/5

3:45 p.m.-8:53 a.m.

2 stops17h 08m

London

Thu 14/5

9:30 a.m.-6:58 p.m.

2 stops9h 28m

C$ 898

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. 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

Airlines

Other information

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

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

Which airlines fly to London, Ontario?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to London, Ontario from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 76% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to London, Ontario (WAS to YXU) flight deals and tips

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

Fastest flight time	5h 33m
Direct flights	None

The fastest flight from Washington, D.C. to London, Ontario takes 5h 33m

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

Search flight deals

How far is Washington, D.C. to London by plane?
Washington, D.C. and London are 573.8 km apart from one another. In terms of flight time, this usually takes a little over 5h 33m.
When did momondo last update prices for flights from Washington, D.C. to London Airport?
Prices for flights from Washington, D.C. to London Airport refresh daily.
How old do you have to be to fly from Washington, D.C. 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. to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport 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 London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Grand Bend

Port Stanley

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Washington, D.C..

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

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

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

Once all potential Washington, D.C. to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Washington, D.C.. 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.