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Cheap flights from Washington, D.C. to London from $288

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 8/30. 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
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 pm - 9:15 am
IAD
-
LCY
10h 15m
1 stop
Multiple Airlines Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$777Multiple Airlines
Sun, Nov 1 - Tue, Nov 3
Multiple Airlines Logo
8:20 pm - 12:35 pm
IAD
-
LCY
11h 15m
1 stop
Multiple Airlines Logo
9:35 am - 6:50 pm
LCY
-
IAD
14h 15m
1 stop
$792Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Lufthansa Logo
5:55 pm - 5:55 pm
IAD
-
LCY
19h 00m
1 stop
Lufthansa Logo
9:15 am - 7:25 pm
LCY
-
IAD
15h 10m
2 stops
$823Lufthansa
Tue, Oct 6 - Thu, Oct 8
Lufthansa Logo
7:00 pm - 5:40 pm
IAD
-
LCY
18h 40m
1 stop
Lufthansa Logo
9:50 am - 9:05 pm
LCY
-
IAD
15h 15m
2 stops
$824Lufthansa
Mon, Oct 26 - Wed, Oct 28
ITA Airways Logo
4:45 pm - 1:10 pm
IAD
-
LCY
15h 25m
2 stops
ITA Airways Logo
7:30 pm - 2:40 pm
LCY
-
IAD
24h 10m
2 stops
$825ITA Airways
Tue, Nov 24 - Wed, Dec 2
ITA Airways Logo
4:45 pm - 1:10 pm
IAD
-
LCY
15h 25m
2 stops
ITA Airways Logo
1:45 pm - 2:40 pm
LCY
-
IAD
29h 55m
2 stops
$826ITA Airways
Sun, Nov 15 - Wed, Nov 18
SWISS Logo
9:10 pm - 12:50 pm
IAD
-
LCY
11h 40m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$830SWISS
Tue, Oct 27 - Tue, Nov 3
SWISS Logo
8:20 pm - 12:35 pm
IAD
-
LCY
11h 15m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$831SWISS
Tue, Sep 22 - Tue, Sep 29
Delta Logo
1:55 pm - 9:30 am
BWI
-
LCY
14h 35m
2 stops
Delta Logo
10:00 am - 8:46 pm
LCY
-
BWI
15h 46m
2 stops
$891Delta
Wed, Oct 7 - Tue, Oct 13
Delta Logo
1:55 pm - 9:30 am
BWI
-
LCY
14h 35m
2 stops
Delta Logo
7:45 am - 5:50 pm
LCY
-
BWI
14h 05m
2 stops
$941Delta
Wed, Oct 14 - Mon, Oct 26

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

Our best Delta deals on Washington, D.C. to London City Airport flight tickets
Delta
Oct 11
IAD5:40 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
LCY9:30 amLondon City
Oct 16
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$877
Delta
Oct 12
IAD12:31 pmWashington, D.C. Dulles Intl
14h 24m
2 stops
LCY7:55 amLondon City
Oct 23
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$882
Delta
Oct 14
BWI1:55 pmBaltimore/Washington
14h 35m
2 stops
LCY9:30 amLondon City
Oct 26
LCY7:45 amLondon City
14h 05m
2 stops
BWI5:50 pmBaltimore/Washington
$941

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

Our best Lufthansa deals on Washington, D.C. to London City Airport flight tickets
Lufthansa
Oct 6
IAD5:55 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
LCY5:55 pmLondon City
Oct 8
LCY9:15 amLondon City
15h 10m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$823
Lufthansa
Oct 26
IAD7:00 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
LCY5:40 pmLondon City
Oct 28
LCY9:50 amLondon City
15h 15m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
$824
Lufthansa
Sep 23
IAD3:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LCY8:40 amLondon City
Oct 14
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$898

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 7, 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

Cheapest round-trip
Quickest round-trip

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 11/1

6:00 pm-9:15 am

1 stop10h 15m

London City

Tue 11/3

9:15 am-4:45 pm

1 stop12h 30m

$777

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/6

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 10/13

9:35 am-6:50 pm

1 stop14h 15m

$792

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/6

5:55 pm-5:55 pm

1 stop19h 00m

London City

Thu 10/8

9:15 am-7:25 pm

2 stops15h 10m

$823

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 10/26

7:00 pm-5:40 pm

1 stop18h 40m

London City

Wed 10/28

9:50 am-9:05 pm

2 stops15h 15m

$824

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/24

4:45 pm-1:10 pm

2 stops15h 25m

London City

Wed 12/2

7:30 pm-2:40 pm

2 stops24h 10m

$825

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 11/15

4:45 pm-1:10 pm

2 stops15h 25m

London City

Wed 11/18

1:45 pm-2:40 pm

2 stops29h 55m

$826

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/27

9:10 pm-12:50 pm

1 stop11h 40m

London City

Tue 11/3

9:15 am-4:45 pm

1 stop12h 30m

$830

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/22

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 9/29

9:15 am-4:45 pm

1 stop12h 30m

$831

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 10/7

1:55 pm-9:30 am

2 stops14h 35m

London City

Tue 10/13

10:00 am-8:46 pm

2 stops15h 46m

$891

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 10/14

1:55 pm-9:30 am

2 stops14h 35m

London City

Mon 10/26

7:45 am-5:50 pm

2 stops14h 05m

$941

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Washington, D.C. to London City Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to London City Airport flight.

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 round-trip 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 25m

Direct flights

None
The fastest flight from Washington, D.C. to London City Airport takes 9h 25m
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.
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Frequently asked questions about flying from Washington, D.C. to London City Airport

  • How far is Washington, D.C. to London City by plane?

    A flight from Washington, D.C. to London City will travel around 3669.3 mi. By plane, this route typically takes 9h 25m.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to London City Airport.

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

    The required travel and health documents for your London City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Harrow
Slough
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford
Uxbridge

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Washington, D.C..

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London City Airport trip

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