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Cheap flights from Washington, D.C. to London from £251

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 28/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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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 - 12:55
IAD
-
LCY
11h 25m
1 stop
SWISS Logo
09:15 - 17:40
LCY
-
IAD
12h 25m
1 stop
£455SWISS
Thu, 5 Mar - Thu, 19 Mar
SWISS Logo
20:30 - 12:55
IAD
-
LCY
11h 25m
1 stop
SWISS Logo
09:15 - 16:40
LCY
-
IAD
12h 25m
1 stop
£456SWISS
Sun, 15 Feb - Tue, 24 Feb
Multiple Airlines Logo
18:00 - 09:15
IAD
-
LCY
10h 15m
1 stop
Multiple Airlines Logo
09:15 - 16:40
LCY
-
IAD
12h 25m
1 stop
£460Multiple Airlines
Mon, 16 Feb - Tue, 24 Feb
Virgin Atlantic Logo
18:05 - 08:50
IAD
-
LCY
9h 45m
1 stop
Virgin Atlantic Logo
10:00 - 16:05
LCY
-
IAD
11h 05m
1 stop
£462Virgin Atlantic
Mon, 16 Feb - Wed, 25 Feb
Virgin Atlantic Logo
18:05 - 08:50
IAD
-
LCY
9h 45m
1 stop
Virgin Atlantic Logo
09:20 - 16:05
LCY
-
IAD
11h 45m
1 stop
£463Virgin Atlantic
Mon, 23 Feb - Tue, 3 Mar
British Airways Logo
13:41 - 08:50
DCA
-
LCY
15h 09m
2 stops
British Airways Logo
19:45 - 18:33
LCY
-
DCA
26h 48m
2 stops
£544British Airways
Wed, 18 Mar - Mon, 23 Mar
British Airways Logo
16:34 - 18:20
DCA
-
LCY
20h 46m
2 stops
British Airways Logo
07:50 - 19:44
LCY
-
DCA
15h 54m
2 stops
£567British Airways
Sat, 7 Mar - Wed, 18 Mar
Delta Logo
15:35 - 09:30
BWI
-
LCY
13h 55m
2 stops
Delta Logo
08:25 - 19:19
LCY
-
BWI
15h 54m
2 stops
£600Delta
Wed, 25 Mar - Mon, 30 Mar
Multiple Airlines Logo
11:45 - 08:10
BWI
-
LCY
16h 25m
2 stops
Multiple Airlines Logo
10:00 - 10:51
LCY
-
BWI
28h 51m
2 stops
£638Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Delta Logo
13:00 - 08:50
BWI
-
LCY
14h 50m
2 stops
Delta Logo
10:00 - 22:13
LCY
-
BWI
17h 13m
2 stops
£684Delta
Wed, 22 Jul - Wed, 5 Aug

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
16 Feb
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
25 Feb
LCY10:00London City
11h 05m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£462
Virgin Atlantic
23 Feb
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
3 Mar
LCY09:20London City
11h 45m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£463
Virgin Atlantic
4 Mar
IAD18:05Washington, D.C. Dulles Intl
19h 20m
1 stop
LCY18:25London City
9 Mar
LCY20:05London City
25h 00m
1 stop
IAD17:05Washington, D.C. Dulles Intl
£464

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

Our best KLM deals on Washington, D.C. to London City Airport flight tickets
KLM
19 Mar
IAD19:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
26 Mar
LCY08:40London City
12h 25m
1 stop
IAD17:05Washington, D.C. Dulles Intl
£475
KLM
19 Mar
IAD19:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
26 Mar
LCY09:20London City
11h 45m
1 stop
IAD17:05Washington, D.C. Dulles Intl
£476
KLM
17 Mar
IAD19:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
24 Mar
LCY09:20London City
11h 45m
1 stop
IAD17:05Washington, D.C. Dulles Intl
£477

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 2 February 2026.
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

Thu 5/3

20:30-12:55

1 stop11h 25m

London City

Thu 19/3

09:15-17:40

1 stop12h 25m

£455

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 15/2

20:30-12:55

1 stop11h 25m

London City

Tue 24/2

09:15-16:40

1 stop12h 25m

£456

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 16/2

18:00-09:15

1 stop10h 15m

London City

Tue 24/2

09:15-16:40

1 stop12h 25m

£460

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 16/2

18:05-08:50

1 stop9h 45m

London City

Wed 25/2

10:00-16:05

1 stop11h 05m

£462

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 23/2

18:05-08:50

1 stop9h 45m

London City

Tue 3/3

09:20-16:05

1 stop11h 45m

£463

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 18/3

13:41-08:50

2 stops15h 09m

London City

Mon 23/3

19:45-18:33

2 stops26h 48m

£544

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 7/3

16:34-18:20

2 stops20h 46m

London City

Wed 18/3

07:50-19:44

2 stops15h 54m

£567

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 25/3

15:35-09:30

2 stops13h 55m

London City

Mon 30/3

08:25-19:19

2 stops15h 54m

£600

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 19/3

11:45-08:10

2 stops16h 25m

London City

Thu 26/3

10:00-10:51

2 stops28h 51m

£638

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 22/7

13:00-08:50

2 stops14h 50m

London City

Wed 5/8

10:00-22:13

2 stops17h 13m

£684

Flights are sorted by cheapest return flights first.

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

SWISS, KLM, and Virgin Atlantic 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

10h 10m

Direct flights

None
The fastest flight from Washington, D.C. to London City Airport takes 10h 10m
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.
Search flight deals

  • 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 10h 10m.

  • 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
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

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.

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