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Cheap flights from Washington, D.C. to London from £234

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 24/11. 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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Cheap return flights

SWISS Logo
20:45 - 08:50IAD-LCY
31h 05m1 stop
SWISS Logo
09:25 - 16:15LCY-IAD
11h 50m1 stop
£400SWISS
Find Deal
Wed, 10 Sep - Wed, 17 Sep
SWISS Logo
20:30 - 17:05IAD-LCY
15h 35m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£400SWISS
Find Deal
Tue, 4 Nov - Tue, 11 Nov
SWISS Logo
20:45 - 12:30IAD-LCY
10h 45m1 stop
SWISS Logo
09:25 - 16:15LCY-IAD
11h 50m1 stop
£416SWISS
Find Deal
Wed, 8 Oct - Wed, 15 Oct
ITA Airways Logo
16:30 - 10:05IAD-LCY
12h 35m1 stop
ITA Airways Logo
16:50 - 14:40LCY-IAD
26h 50m1 stop
£459ITA Airways
Find Deal
Tue, 2 Sep - Wed, 17 Sep
ITA Airways Logo
16:30 - 10:05IAD-LCY
12h 35m1 stop
ITA Airways Logo
16:50 - 14:40LCY-IAD
26h 50m1 stop
£478ITA Airways
Find Deal
Mon, 25 Aug - Wed, 3 Sep
Logo
20:45 - 12:30IAD-LCY
10h 45m1 stop
Logo
08:55 - 15:50LCY-IAD
11h 55m1 stop
£490
Find Deal
Wed, 3 Sep - Fri, 24 Oct
Logo
20:45 - 12:30IAD-LCY
10h 45m1 stop
Logo
08:45 - 15:50LCY-IAD
12h 05m1 stop
£491
Find Deal
Tue, 2 Sep - Wed, 22 Oct
Lufthansa Logo
15:25 - 08:10IAD-LCY
11h 45m1 stop
Lufthansa Logo
08:45 - 15:50LCY-IAD
12h 05m1 stop
£499Lufthansa
Find Deal
Tue, 2 Sep - Wed, 15 Oct
Lufthansa Logo
17:16 - 16:25IAD-LCY
18h 09m2 stops
Lufthansa Logo
08:45 - 15:50LCY-IAD
12h 05m1 stop
£511Lufthansa
Find Deal
Wed, 3 Sep - Thu, 23 Oct
British Airways Logo
13:30 - 11:30DCA-LCY
17h 00m2 stops
British Airways Logo
11:30 - 17:39LCY-DCA
35h 09m2 stops
£519British Airways
Find Deal
Wed, 10 Sep - Mon, 13 Oct

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
26 Aug
IAD20:45Washington, D.C. Dulles Intl
10h 45m
1 stop
LCY12:30London City
16 Sept
LCY09:25London City
11h 50m
1 stop
IAD16:15Washington, D.C. Dulles Intl
£399
Find similar
SWISS
10 Sept
IAD20:45Washington, D.C. Dulles Intl
31h 05m
1 stop
LCY08:50London City
17 Sept
LCY09:25London City
11h 50m
1 stop
IAD16:15Washington, D.C. Dulles Intl
£400
Find similar
SWISS
4 Nov
IAD20:30Washington, D.C. Dulles Intl
15h 35m
1 stop
LCY17:05London City
11 Nov
LCY09:15London City
12h 25m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£400
Find similar

ITA Airways flights from Washington, D.C. to London City Airport

Our best ITA Airways deals on Washington, D.C. to London City Airport flight tickets
ITA Airways
2 Sept
IAD16:30Washington, D.C. Dulles Intl
12h 35m
1 stop
LCY10:05London City
17 Sept
LCY16:50London City
26h 50m
1 stop
IAD14:40Washington, D.C. Dulles Intl
£459
Find similar
ITA Airways
25 Aug
IAD16:30Washington, D.C. Dulles Intl
12h 35m
1 stop
LCY10:05London City
3 Sept
LCY16:50London City
26h 50m
1 stop
IAD14:40Washington, D.C. Dulles Intl
£478
Find similar
ITA Airways
25 Aug
IAD16:30Washington, D.C. Dulles Intl
12h 35m
1 stop
LCY10:05London City
3 Sept
LCY16:50London City
26h 50m
1 stop
IAD14:40Washington, D.C. Dulles Intl
£479
Find similar

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 15 August 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

Wed 10/9

20:45-08:50

1 stop31h 05m

London City

Wed 17/9

09:25-16:15

1 stop11h 50m

£400

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 4/11

20:30-17:05

1 stop15h 35m

London City

Tue 11/11

09:15-16:40

1 stop12h 25m

£400

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 8/10

20:45-12:30

1 stop10h 45m

London City

Wed 15/10

09:25-16:15

1 stop11h 50m

£416

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 2/9

16:30-10:05

1 stop12h 35m

London City

Wed 17/9

16:50-14:40

1 stop26h 50m

£459

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 25/8

16:30-10:05

1 stop12h 35m

London City

Wed 3/9

16:50-14:40

1 stop26h 50m

£478

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 3/9

20:45-12:30

1 stop10h 45m

London City

Fri 24/10

08:55-15:50

1 stop11h 55m

£490

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 2/9

20:45-12:30

1 stop10h 45m

London City

Wed 22/10

08:45-15:50

1 stop12h 05m

£491

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 2/9

15:25-08:10

1 stop11h 45m

London City

Wed 15/10

08:45-15:50

1 stop12h 05m

£499

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 3/9

17:16-16:25

2 stops18h 09m

London City

Thu 23/10

08:45-15:50

1 stop12h 05m

£511

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/9

13:30-11:30

2 stops17h 00m

London City

Mon 13/10

11:30-17:39

2 stops35h 09m

£519

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?

ITA Airways is the most popular carrier 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

Best price found

£234

Fastest flight time

10h 45m

Direct flights

None
The best one-way flight to London City Airport from Washington, D.C. in the past 72 hours is £234. The best return flight deal from Washington, D.C. to London City Airport found on momondo in the last 72 hours is £400.
The fastest flight from Washington, D.C. to London City Airport takes 10h 45m
There are no direct flights from Washington, D.C. to London City Airport. Popular non-direct routes for this connection are Baltimore/Washington Airport - London City Airport and Washington, D.C. Dulles Intl Airport - 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 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
Slough
Maidstone
Gatwick
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Colchester
Worthing
Hounslow
Dartford
Dover
Chelmsford
Hayes
Bedford
Winchester

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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