Cheap flights from Washington, D.C. to London from £268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
20:30 - 12:45
IAD
-
LCY
11h 15m1 stop
SWISS Logo
08:35 - 17:40
LCY
-
IAD
13h 05m1 stop
£458SWISS
Sat, 7 Mar - Sat, 14 Mar
SWISS Logo
17:25 - 17:05
IAD
-
LCY
18h 40m1 stop
SWISS Logo
09:15 - 16:40
LCY
-
IAD
12h 25m1 stop
£462SWISS
Thu, 15 Jan - Tue, 20 Jan
Multiple Airlines Logo
17:15 - 09:20
IAD
-
LCY
11h 05m1 stop
Multiple Airlines Logo
09:15 - 16:40
LCY
-
IAD
12h 25m1 stop
£464Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Virgin Atlantic Logo
18:05 - 08:50
IAD
-
LCY
9h 45m1 stop
Virgin Atlantic Logo
10:00 - 16:05
LCY
-
IAD
11h 05m1 stop
£464Virgin Atlantic
Mon, 26 Jan - Mon, 2 Feb
Virgin Atlantic Logo
18:05 - 09:30
IAD
-
LCY
10h 25m1 stop
Virgin Atlantic Logo
09:20 - 16:05
LCY
-
IAD
11h 45m1 stop
£474Virgin Atlantic
Sun, 11 Jan - Tue, 20 Jan
Delta Logo
17:00 - 13:15
DCA
-
LCY
15h 15m2 stops
Delta Logo
10:00 - 22:57
LCY
-
DCA
17h 57m2 stops
£496Delta
Sat, 31 Jan - Sat, 7 Feb
KLM Logo
15:38 - 09:30
BWI
-
LCY
12h 52m2 stops
KLM Logo
08:40 - 23:12
LCY
-
BWI
19h 32m2 stops
£496KLM
Fri, 30 Jan - Sat, 14 Feb
Multiple Airlines Logo
09:40 - 09:15
DCA
-
LCY
18h 35m2 stops
Multiple Airlines Logo
09:50 - 19:59
LCY
-
DCA
15h 09m2 stops
£634Multiple Airlines
Tue, 27 Jan - Tue, 3 Feb
Delta Logo
13:00 - 07:55
BWI
-
LCY
13h 55m2 stops
Delta Logo
09:20 - 22:13
LCY
-
BWI
17h 53m2 stops
£779Delta
Tue, 9 Jun - Tue, 16 Jun
KLM Logo
17:36 - 13:15
BWI
-
LCY
15h 39m2 stops
KLM Logo
08:40 - 23:01
LCY
-
BWI
18h 21m2 stops
£911KLM
Sat, 14 Mar - Sat, 21 Mar

SWISS flights from Washington, D.C. to London City Airport

Our best SWISS deals on Washington, D.C. to London City Airport flight tickets
SWISS
29 Jan
IAD20:30Washington, D.C. Dulles Intl
11h 25m
1 stop
LCY12:55London City
3 Feb
LCY09:15London City
12h 25m
1 stop
IAD16:40Washington, D.C. Dulles Intl
SWISS
5 Mar
IAD20:30Washington, D.C. Dulles Intl
11h 25m
1 stop
LCY12:55London City
9 Mar
LCY19:10London City
24h 15m
1 stop
IAD15:25Washington, D.C. Dulles Intl
SWISS
25 Jan
IAD20:30Washington, D.C. Dulles Intl
11h 25m
1 stop
LCY12:55London City
3 Feb
LCY09:15London City
12h 25m
1 stop
IAD16:40Washington, D.C. Dulles Intl

Virgin Atlantic flights from Washington, D.C. to London City Airport

Our best Virgin Atlantic deals on Washington, D.C. to London City Airport flight tickets
Virgin Atlantic
26 Jan
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
2 Feb
LCY10:00London City
11h 05m
1 stop
IAD16:05Washington, D.C. Dulles Intl
Virgin Atlantic
11 Jan
IAD18:05Washington, D.C. Dulles Intl
10h 25m
1 stop
LCY09:30London City
20 Jan
LCY09:20London City
11h 45m
1 stop
IAD16:05Washington, D.C. Dulles Intl
Virgin Atlantic
15 Jan
IAD18:05Washington, D.C. Dulles Intl
10h 25m
1 stop
LCY09:30London City
22 Jan
LCY10:00London City
11h 05m
1 stop
IAD16:05Washington, D.C. Dulles Intl

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to London City Airport 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, momondo users made 279,928 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Washington, D.C. to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sat 7/3

20:30-12:45

1 stop11h 15m

London City

Sat 14/3

08:35-17:40

1 stop13h 05m

£458

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Thu 15/1

17:25-17:05

1 stop18h 40m

London City

Tue 20/1

09:15-16:40

1 stop12h 25m

£462

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Thu 15/1

17:15-09:20

1 stop11h 05m

London City

Thu 22/1

09:15-16:40

1 stop12h 25m

£464

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 26/1

18:05-08:50

1 stop9h 45m

London City

Mon 2/2

10:00-16:05

1 stop11h 05m

£464

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 11/1

18:05-09:30

1 stop10h 25m

London City

Tue 20/1

09:20-16:05

1 stop11h 45m

£474

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 31/1

17:00-13:15

2 stops15h 15m

London City

Sat 7/2

10:00-22:57

2 stops17h 57m

£496

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Fri 30/1

15:38-09:30

2 stops12h 52m

London City

Sat 14/2

08:40-23:12

2 stops19h 32m

£496

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 27/1

09:40-09:15

2 stops18h 35m

London City

Tue 3/2

09:50-19:59

2 stops15h 09m

£634

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 9/6

13:00-07:55

2 stops13h 55m

London City

Tue 16/6

09:20-22:13

2 stops17h 53m

£779

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Sat 14/3

17:36-13:15

2 stops15h 39m

London City

Sat 21/3

08:40-23:01

2 stops18h 21m

£911

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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. to London City?

ITA Airways, SWISS, and United Airlines are the most popular carriers operating from Washington, D.C. to London City

When to book flights from Washington, D.C. to London City Airport

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

Cheap Washington, D.C. to London City Airport (WAS to LCY) flight deals and tips

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

Fastest flight time

9h 45m

Direct flights

None
The fastest flight from Washington, D.C. to London City Airport takes 9h 45m
There are no direct flights from Washington, D.C. to London City Airport. There are no popular flight routes from Washington, D.C. to London City Airport.
  • How far is Washington, D.C. to London City by plane?

    The distance between Washington, D.C. and London City is about 3669.3 mi. By plane, this route typically takes 9h 45m.

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

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

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

    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 Washington, D.C. to London City Airport.

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

    The travel and health documents you'll need for your trip to London City 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 City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to London . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to London from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Washington, D.C. to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London City Airport trip

We make it super easy to schedule, organise 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.
1 adult
Sat 17/1
Sat 24/1

Find better results for your trip to London