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Cheap flights from Washington, D.C. to London from $306

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 4/13. 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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Find the cheapest flights from Washington, D.C. to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
6:10 pm - 8:50 am
IAD
-
LCY
9h 40m
1 stop
Virgin Atlantic Logo
9:20 am - 3:35 pm
LCY
-
IAD
11h 15m
1 stop
$632Virgin Atlantic
Mon, Apr 13 - Tue, Apr 21
Virgin Atlantic Logo
7:05 pm - 8:50 am
IAD
-
LCY
9h 45m
1 stop
Virgin Atlantic Logo
9:20 am - 3:35 pm
LCY
-
IAD
11h 15m
1 stop
$645Virgin Atlantic
Sun, Mar 22 - Tue, Mar 31
Virgin Atlantic Logo
7:05 pm - 5:20 pm
IAD
-
LCY
18h 15m
1 stop
Virgin Atlantic Logo
8:25 am - 3:35 pm
LCY
-
IAD
12h 10m
1 stop
$646Virgin Atlantic
Sun, Mar 22 - Tue, Mar 31
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
$649SWISS
Mon, Apr 27 - Wed, May 6
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
$650SWISS
Sun, May 3 - Wed, May 13
Delta Logo
10:54 am - 9:30 am
BWI
-
LCY
17h 36m
2 stops
Delta Logo
9:20 am - 11:59 pm
LCY
-
BWI
19h 39m
2 stops
$700Delta
Wed, Apr 1 - Wed, Apr 8
Delta Logo
10:54 am - 8:50 am
BWI
-
LCY
16h 56m
2 stops
Delta Logo
8:25 am - 7:19 pm
LCY
-
BWI
15h 54m
2 stops
$701Delta
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
6:50 pm - 5:40 pm
DCA
-
LCY
18h 50m
2 stops
Multiple Airlines Logo
9:15 am - 8:53 am
LCY
-
DCA
28h 38m
2 stops
$710Multiple Airlines
Wed, Mar 18 - Wed, Apr 22
British Airways Logo
6:00 am - 8:35 am
DCA
-
LCY
21h 35m
2 stops
British Airways Logo
7:15 pm - 4:47 pm
LCY
-
DCA
26h 32m
2 stops
$735British Airways
Wed, Apr 22 - Mon, Apr 27
British Airways Logo
5:00 pm - 12:20 pm
DCA
-
LCY
15h 20m
2 stops
British Airways Logo
2:05 pm - 6:33 pm
LCY
-
DCA
32h 28m
2 stops
$837British Airways
Tue, Mar 17 - Wed, Mar 25

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

Our best British Airways deals on Washington, D.C. to London City Airport flight tickets
British Airways
Apr 22
DCA6:00 amWashington, D.C. Reagan-National
21h 35m
2 stops
LCY8:35 amLondon City
Apr 27
LCY7:15 pmLondon City
26h 32m
2 stops
DCA4:47 pmWashington, D.C. Reagan-National
$735
British Airways
Mar 17
DCA5:00 pmWashington, D.C. Reagan-National
15h 20m
2 stops
LCY12:20 pmLondon City
Mar 25
LCY2:05 pmLondon City
32h 28m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$837
British Airways
Mar 24
DCA1:48 pmWashington, D.C. Reagan-National
20h 37m
2 stops
LCY2:25 pmLondon City
Mar 30
LCY8:25 pmLondon City
25h 00m
2 stops
DCA4:25 pmWashington, D.C. Reagan-National
$838

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
Mar 17
IAD5:45 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LCY10:55 amLondon City
Mar 25
LCY4:45 pmLondon City
26h 55m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$652
ITA Airways
Mar 17
IAD5:45 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LCY10:55 amLondon City
Mar 25
LCY8:20 amLondon City
35h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$662
ITA Airways
Apr 28
IAD4:30 pmWashington, D.C. Dulles Intl
18h 25m
2 stops
LCY3:55 pmLondon City
May 4
LCY9:00 amLondon City
34h 30m
2 stops
IAD2:30 pmWashington, D.C. Dulles Intl
$669

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 March 5, 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 4/13

6:10 pm-8:50 am

1 stop9h 40m

London City

Tue 4/21

9:20 am-3:35 pm

1 stop11h 15m

$632

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 3/22

7:05 pm-8:50 am

1 stop9h 45m

London City

Tue 3/31

9:20 am-3:35 pm

1 stop11h 15m

$645

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 3/22

7:05 pm-5:20 pm

1 stop18h 15m

London City

Tue 3/31

8:25 am-3:35 pm

1 stop12h 10m

$646

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-12:35 pm

1 stop11h 15m

London City

Wed 5/6

9:15 am-4:45 pm

1 stop12h 30m

$649

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 5/3

8:20 pm-12:35 pm

1 stop11h 15m

London City

Wed 5/13

9:15 am-4:45 pm

1 stop12h 30m

$650

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 4/1

10:54 am-9:30 am

2 stops17h 36m

London City

Wed 4/8

9:20 am-11:59 pm

2 stops19h 39m

$700

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 4/1

10:54 am-8:50 am

2 stops16h 56m

London City

Wed 4/8

8:25 am-7:19 pm

2 stops15h 54m

$701

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/18

6:50 pm-5:40 pm

2 stops18h 50m

London City

Wed 4/22

9:15 am-8:53 am

2 stops28h 38m

$710

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/22

6:00 am-8:35 am

2 stops21h 35m

London City

Mon 4/27

7:15 pm-4:47 pm

2 stops26h 32m

$735

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/17

5:00 pm-12:20 pm

2 stops15h 20m

London City

Wed 3/25

2:05 pm-6:33 pm

2 stops32h 28m

$837

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

What is the cheapest airline that flies from Washington, D.C. to London City?

SWISS, United Airlines, and Delta 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 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 40m

Direct flights

None
The fastest flight from Washington, D.C. to London City Airport takes 9h 40m
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?

    A flight from Washington, D.C. to London City will travel around 3669.3 mi. By plane, this route typically takes 9h 40m.

  • 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
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

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.

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