United Kingdom

$182+ Cheap flights from Washington, D.C. (WAS) to the United Kingdom

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LHR
feb. 18 — feb. 251
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Cheap flight deals from Washington, D.C. to United Kingdom

Keep the following information in mind while searching for Washington, D.C. to United Kingdom flight deals. Data was last updated febrero 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(Kiwi.com)

One-way from

$182
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$659

Good round-trip deal

$661 or less

Good one-way deal

$440 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
From Washington, D.C. (WAS) to United Kingdom
One-way flight from Washington, D.C. (WAS) to United Kingdom
Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to United Kingdom.
Price to beat on a one-way flight from Washington, D.C. (WAS) to United Kingdom.

Find flight deals from Washington, D.C. to United Kingdom

Cheapest flights from Washington, D.C. to United Kingdom
Explore the most affordable flight options available from Washington, D.C. to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/267:10 pmBWI - STN
1 stop10h 50mMultiple Airlines
mié. 4/168:25 amSTN - BWI
1 stop14h 15mMultiple Airlines
Deal found 2/12$478
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/156:50 pmBWI - STN
1 stop10h 50mPLAY
jue. 4/2411:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 2/11$479
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/269:20 pmBWI - LGW
1 stop32h 40mMultiple Airlines
mar. 4/11:00 pmLGW - BWI
2 stops15h 58mMultiple Airlines
Deal found 2/11$480
This Flightnetwork deal was found by Cheapflights users on 2/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/168:30 pmBWI - LGW
1 stop10h 25mIcelandair
jue. 3/2011:55 amLGW - BWI
1 stop11h 35mIcelandair
Deal found 2/13$494
This Flightnetwork deal was found by Cheapflights users on 2/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/298:30 pmBWI - LHR
1 stop10h 25mIcelandair
sáb. 4/59:25 pmLHR - BWI
1 stop27h 00mIcelandair
Deal found 2/11$497
This Mytrip deal was found by Cheapflights users on 2/12. 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.
lun. 3/36:10 pmBWI - LHR
2 stops16h 50mMultiple Airlines
mar. 3/116:40 amLHR - BWI
2 stops15h 20mMultiple Airlines
Deal found 2/12$507
This eDestinos deal was found by Cheapflights users on 2/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/58:30 pmBWI - LHR
Nonstop7h 10mIberia
mié. 3/123:25 pmLHR - BWI
Nonstop8h 20mIberia
Deal found 2/12$532
This Mytrip deal was found by Cheapflights users on 2/12. 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.
mié. 8/2711:15 pmIAD - LGW
1 stop10h 25mIcelandair
vie. 9/53:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 2/12$545
This Gurufare deal was found by Cheapflights users on 2/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/288:30 pmIAD - LHR
1 stop10h 25mIcelandair
mar. 5/139:25 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 2/12$545
This JetBlue deal was found by Cheapflights users on 2/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/46:00 pmDCA - LGW
1 stop10h 35mJetBlue
mar. 10/1412:10 pmLGW - DCA
1 stop11h 43mJetBlue
Deal found 2/12$547
This Mytrip deal was found by Cheapflights users on 2/13. 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.
mié. 3/1211:30 pmIAD - STN
2 stops16h 35mMultiple Airlines
mié. 3/196:45 pmSTN - IAD
2 stops25h 15mMultiple Airlines
Deal found 2/13$548
This oojo deal was found by Cheapflights users on 2/12. 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.
mié. 2/195:10 pmIAD - LHR
1 stop11h 10mScandinavian Airlines
mié. 2/265:00 pmLHR - IAD
1 stop27h 40mScandinavian Airlines
Deal found 2/12$556

Find flights from Washington, D.C. to United Kingdom within your budget

Customize your flight search to find flights from Washington, D.C. to United Kingdom 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 febrero 13, 2025.

Fly from

Washington, D.C.

Fly to

United Kingdom

Route

Depart

Return

Price

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

mié. 3/26

7:10 pm-10:00 am

1 stop10h 50m

London Stansted

mié. 4/16

8:25 am-5:40 pm

1 stop14h 15m

$478

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

mar. 4/15

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

jue. 4/24

11:40 am-5:40 pm

1 stop11h 00m

$479

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

mié. 3/26

9:20 pm-10:00 am

1 stop32h 40m

London Gatwick

mar. 4/1

1:00 pm-11:58 pm

2 stops15h 58m

$480

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

dom. 3/16

8:30 pm-10:55 am

1 stop10h 25m

London Gatwick

jue. 3/20

11:55 am-7:30 pm

1 stop11h 35m

$494

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

sáb. 3/29

8:30 pm-10:55 am

1 stop10h 25m

London Heathrow

sáb. 4/5

9:25 pm-7:25 pm

1 stop27h 00m

$497

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

lun. 3/3

6:10 pm-4:00 pm

2 stops16h 50m

London Heathrow

mar. 3/11

6:40 am-6:00 pm

2 stops15h 20m

$507

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mié. 3/5

8:30 pm-8:40 am

Nonstop7h 10m

London Heathrow

mié. 3/12

3:25 pm-7:45 pm

Nonstop8h 20m

$532

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

lun. 2/24

5:10 pm-9:20 am

1 stop11h 10m

London Heathrow

mar. 3/11

5:00 pm-4:40 pm

1 stop27h 40m

$556

Washington, D.C.London

IAD - LHR

IAD