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Cheap flights from Washington, D.C. to London from $332

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 8/27. 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
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
8:20 pm - 12:35 pm
IAD
-
LCY
11h 15m
1 stop
Multiple Airlines Logo
7:50 am - 5:20 pm
LCY
-
IAD
13h 30m
1 stop
$797Multiple Airlines
Wed, Oct 21 - Wed, Oct 28
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
$824Lufthansa
Wed, Oct 14 - Fri, Oct 16
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
$825Lufthansa
Sun, Oct 11 - Tue, Oct 13
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
$826ITA 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
4:30 pm - 2:40 pm
LCY
-
IAD
27h 10m
2 stops
$827ITA Airways
Tue, Nov 24 - Wed, Nov 25
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
$832SWISS
Tue, Sep 22 - Wed, Sep 30
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
$833SWISS
Tue, Sep 29 - Tue, Oct 6
Delta Logo
1:20 pm - 7:55 am
DCA
-
LCY
13h 35m
2 stops
Delta Logo
8:25 am - 5:53 pm
LCY
-
DCA
14h 28m
2 stops
$893Delta
Wed, Oct 7 - Wed, Oct 14
Delta Logo
12:30 pm - 7:55 am
BWI
-
LCY
14h 25m
2 stops
Delta Logo
10:00 am - 10:48 pm
LCY
-
BWI
17h 48m
2 stops
$893Delta
Tue, Sep 29 - Tue, Oct 13

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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 14
IAD5:55 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
LCY5:55 pmLondon City
Oct 16
LCY9:15 amLondon City
15h 10m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$824
Lufthansa
Oct 11
IAD5:55 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
LCY5:55 pmLondon City
Oct 13
LCY9:15 amLondon City
15h 10m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$825
Lufthansa
Sep 21
IAD3:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LCY8:40 amLondon City
Sep 30
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$899

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
Sep 22
IAD8:20 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
LCY12:35 pmLondon City
Sep 30
LCY9:15 amLondon City
12h 30m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$832
SWISS
Sep 29
IAD8:20 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
LCY12:35 pmLondon City
Oct 6
LCY9:15 amLondon City
12h 30m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$833
SWISS
Nov 1
IAD8:10 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
LCY12:50 pmLondon City
Nov 6
LCY9:15 amLondon City
12h 30m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$834

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 15, 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

Mon 11/16

6:00 pm-9:15 am

1 stop10h 15m

London City

Wed 11/18

9:15 am-4:45 pm

1 stop12h 30m

$777

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/21

8:20 pm-12:35 pm

1 stop11h 15m

London City

Wed 10/28

7:50 am-5:20 pm

1 stop13h 30m

$797

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/14

5:55 pm-5:55 pm

1 stop19h 00m

London City

Fri 10/16

9:15 am-7:25 pm

2 stops15h 10m

$824

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 10/11

5:55 pm-5:55 pm

1 stop19h 00m

London City

Tue 10/13

9:15 am-7:25 pm

2 stops15h 10m

$825

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

$826

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 11/25

4:30 pm-2:40 pm

2 stops27h 10m

$827

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

Wed 9/30

9:15 am-4:45 pm

1 stop12h 30m

$832

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/29

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 10/6

9:15 am-4:45 pm

1 stop12h 30m

$833

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/7

1:20 pm-7:55 am

2 stops13h 35m

London City

Wed 10/14

8:25 am-5:53 pm

2 stops14h 28m

$893

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 9/29

12:30 pm-7:55 am

2 stops14h 25m

London City

Tue 10/13

10:00 am-10:48 pm

2 stops17h 48m

$893

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

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.
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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 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?

    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
Slough
Harrow
Kingston upon Thames
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford

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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