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Cheap flights from Washington, D.C. to London from $287

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 8/31. 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
7:00 pm - 9:15 am
IAD
-
LCY
10h 15m
1 stop
Multiple Airlines Logo
9:15 am - 5:45 pm
LCY
-
IAD
12h 30m
1 stop
$776Multiple Airlines
Sun, Oct 25 - Tue, Oct 27
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
$789Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
4:20 pm - 12:45 pm
DCA
-
LCY
15h 25m
2 stops
Multiple Airlines Logo
6:45 am - 3:38 pm
LCY
-
DCA
13h 53m
2 stops
$800Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
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
$829SWISS
Wed, Sep 23 - 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
$830SWISS
Tue, Sep 22 - Wed, Sep 30
ITA Airways Logo
4:30 pm - 1:10 pm
IAD
-
LCY
15h 40m
2 stops
ITA Airways Logo
7:25 pm - 2:30 pm
LCY
-
IAD
24h 05m
2 stops
$832ITA Airways
Sun, Aug 16 - Mon, Oct 19
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
$833ITA Airways
Tue, Dec 1 - Mon, Dec 7
Delta Logo
12:25 pm - 7:55 am
BWI
-
LCY
14h 30m
2 stops
Delta Logo
9:20 am - 8:46 pm
LCY
-
BWI
16h 26m
2 stops
$890Delta
Wed, Oct 7 - Wed, Oct 14
Delta Logo
11:00 am - 7:15 am
BWI
-
LCY
15h 15m
2 stops
Delta Logo
9:20 am - 10:55 pm
LCY
-
BWI
18h 35m
2 stops
$921Delta
Mon, Dec 14 - Thu, Dec 17
British Airways Logo
1:59 pm - 3:15 pm
DCA
-
LCY
20h 16m
2 stops
British Airways Logo
7:00 pm - 4:48 pm
LCY
-
DCA
26h 48m
2 stops
$1,138British Airways
Thu, Aug 13 - Sun, Aug 16

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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
Aug 16
IAD4:30 pmWashington, D.C. Dulles Intl
15h 40m
2 stops
LCY1:10 pmLondon City
Oct 19
LCY7:25 pmLondon City
24h 05m
2 stops
IAD2:30 pmWashington, D.C. Dulles Intl
$832
ITA Airways
Dec 1
IAD4:45 pmWashington, D.C. Dulles Intl
15h 25m
2 stops
LCY1:10 pmLondon City
Dec 7
LCY4:30 pmLondon City
27h 10m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$833
ITA Airways
Nov 12
IAD4:45 pmWashington, D.C. Dulles Intl
15h 25m
2 stops
LCY1:10 pmLondon City
Nov 18
LCY4:30 pmLondon City
27h 10m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$850

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 3
IAD8:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
LCY1:45 pmLondon City
Oct 5
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$843
Lufthansa
Oct 3
IAD8:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
LCY1:45 pmLondon City
Oct 5
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$844
Lufthansa
Oct 3
IAD8:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
LCY1:45 pmLondon City
Oct 5
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$845

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 1, 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 10/25

7:00 pm-9:15 am

1 stop10h 15m

London City

Tue 10/27

9:15 am-5:45 pm

1 stop12h 30m

$776

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/14

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 10/20

9:35 am-6:50 pm

1 stop14h 15m

$789

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 8/26

4:20 pm-12:45 pm

2 stops15h 25m

London City

Tue 9/1

6:45 am-3:38 pm

2 stops13h 53m

$800

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-12:35 pm

1 stop11h 15m

London City

Wed 9/30

9:15 am-4:45 pm

1 stop12h 30m

$829

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

$830

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 8/16

4:30 pm-1:10 pm

2 stops15h 40m

London City

Mon 10/19

7:25 pm-2:30 pm

2 stops24h 05m

$832

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 12/1

4:45 pm-1:10 pm

2 stops15h 25m

London City

Mon 12/7

4:30 pm-2:40 pm

2 stops27h 10m

$833

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 10/7

12:25 pm-7:55 am

2 stops14h 30m

London City

Wed 10/14

9:20 am-8:46 pm

2 stops16h 26m

$890

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Mon 12/14

11:00 am-7:15 am

2 stops15h 15m

London City

Thu 12/17

9:20 am-10:55 pm

2 stops18h 35m

$921

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 8/13

1:59 pm-3:15 pm

2 stops20h 16m

London City

Sun 8/16

7:00 pm-4:48 pm

2 stops26h 48m

$1,138

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.
Search flight deals

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
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
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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