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$249+ Cheap flights from Washington, D.C. (WAS) to London, ON (YXU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YXU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Washington, D.C. to London

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$466
(Mytrip)

One-way from

$249
(Mytrip)
From Washington, D.C. (WAS) to London
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One-way flight from Washington, D.C. (WAS) to London
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Find flight deals from Washington, D.C. to London

Cheapest flights from Washington, D.C. to London
Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:45 amBWI - YXU
2 stops23h 27mMultiple Airlines
Wed 9/178:00 pmYXU - BWI
2 stops26h 28mMultiple Airlines
Deal found 7/27$466
This Air Canada deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:36 pmIAD - YXU
1 stop5h 51mMultiple Airlines
Tue 10/285:45 amYXU - IAD
1 stop6h 00mMultiple Airlines
Deal found 7/27$593
This Air Canada deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:00 pmIAD - YXU
2 stops8h 27mAir Canada
Tue 10/289:25 amYXU - IAD
2 stops6h 56mAir Canada
Deal found 7/27$616
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:48 pmIAD - YXU
2 stops29h 39mUnited Airlines
Wed 9/176:10 amYXU - IAD
2 stops23h 12mUnited Airlines
Deal found 7/26$761
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:20 pmBWI - YXU
2 stops22h 57mUnited Airlines
Fri 9/193:50 pmYXU - BWI
2 stops18h 05mUnited Airlines
Deal found 7/29$861
This Air Canada deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:00 amDCA - YXU
1 stop4h 02mAir Canada
Sun 8/105:55 pmYXU - DCA
1 stop4h 32mAir Canada
Deal found 7/28$993
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:45 pmIAD - YXU
1 stop10h 29mWestJet
Wed 8/66:00 amYXU - IAD
1 stop11h 54mWestJet
Deal found 7/28$1,203
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:25 amDCA - YXU
2 stops10h 42mUnited Airlines
Wed 8/65:55 pmYXU - DCA
1 stop4h 32mUnited Airlines
Deal found 7/27$1,228
This United deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:00 amDCA - YXU
2 stops8h 02mMultiple Airlines
Sun 8/103:40 pmYXU - DCA
1 stop4h 02mMultiple Airlines
Deal found 7/28$1,232
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/11:40 pmDCA - YXU
3 stops15h 34mWestJet
Wed 8/66:00 amYXU - DCA
3 stops27h 47mWestJet
Deal found 7/27$2,043

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to London 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to London that are best for you.

Fly from

Washington, D.C.

Fly to

London

Route

Depart

Return

Price

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Wed 9/10

5:45 am-5:12 am

2 stops23h 27m

London

Wed 9/17

8:00 pm-10:28 pm

2 stops26h 28m

$466

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 10/21

3:36 pm-9:27 pm

1 stop5h 51m

London

Tue 10/28

5:45 am-11:45 am

1 stop6h 00m

$593

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 10/21

1:00 pm-9:27 pm

2 stops8h 27m

London

Tue 10/28

9:25 am-4:21 pm

2 stops6h 56m

$616

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 9/10

3:48 pm-9:27 pm

2 stops29h 39m

London

Wed 9/17

6:10 am-5:22 am

2 stops23h 12m

$761

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 9/12

4:20 pm-3:17 pm

2 stops22h 57m

London

Fri 9/19

3:50 pm-9:55 am

2 stops18h 05m

$861

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 8/8

11:00 am-3:02 pm

1 stop4h 02m

London

Sun 8/10

5:55 pm-10:27 pm

1 stop4h 32m

$993

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 8/1

6:25 am-5:07 pm

2 stops10h 42m

London

Wed 8/6

5:55 pm-10:27 pm

1 stop4h 32m

$1,228

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 8/8

7:00 am-3:02 pm

2 stops8h 02m

London

Sun 8/10

3:40 pm-7:42 pm

1 stop4h 02m

$1,232

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 8/1

1:40 pm-5:14 am

3 stops15h 34m

London

Wed 8/6

6:00 am-9:47 am

3 stops27h 47m

$2,043

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Tue 8/26

5:45 am-5:14 am

3 stops23h 29m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 13 results
1
2

Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown United Airlines, WestJet, and Air Canada from Washington, D.C. to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,899 reviews
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,973 reviews
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,822 reviews
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from Washington, D.C.?

    London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to London. 0 airlines have flights to London from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to London should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

  • What are the most popular routes from Washington, D.C. to London, Ontario?

    The most popular route from Washington, D.C. to London, Ontario is Washington, D.C. Reagan-National - London. You may also consider Washington, D.C. Dulles Intl - London or Baltimore/Washington - London.

  • Can I find deals for flights from Washington, D.C. to London that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London.

  • Can I find deals for business class flights from Washington, D.C. to London?

    Yes. Cheapflights offers flight deals from Washington, D.C. to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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