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Cheap flights from Washington, D.C. Dulles Intl Airport to London from £251

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. Dulles Intl Airport to London departing on 29/1. 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. Dulles Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
18:05 - 07:15IAD-LCY
32h 10m1 stop
Virgin Atlantic Logo
09:20 - 16:05LCY-IAD
11h 45m1 stop
£463Virgin Atlantic
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Wed, 3 Dec - Wed, 10 Dec
SWISS Logo
17:25 - 18:40IAD-LCY
20h 15m1 stop
SWISS Logo
19:10 - 16:40LCY-IAD
26h 30m1 stop
£468SWISS
Find Deal
Mon, 1 Dec - Wed, 10 Dec
SWISS Logo
20:30 - 12:55IAD-LCY
11h 25m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£469SWISS
Find Deal
Tue, 9 Dec - Tue, 16 Dec
SWISS Logo
20:30 - 12:55IAD-LCY
11h 25m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£472SWISS
Find Deal
Tue, 2 Dec - Tue, 9 Dec
SWISS Logo
20:30 - 17:05IAD-LCY
15h 35m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£473SWISS
Find Deal
Tue, 30 Dec - Tue, 13 Jan
SWISS Logo
20:30 - 17:05IAD-LCY
15h 35m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£474SWISS
Find Deal
Tue, 9 Dec - Tue, 16 Dec
SWISS Logo
20:30 - 12:55IAD-LCY
11h 25m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£475SWISS
Find Deal
Thu, 22 Jan - Thu, 29 Jan
SWISS Logo
17:25 - 12:55IAD-LCY
14h 30m1 stop
SWISS Logo
09:15 - 16:40LCY-IAD
12h 25m1 stop
£478SWISS
Find Deal
Wed, 28 Jan - Tue, 3 Feb
KLM Logo
18:05 - 08:50IAD-LCY
9h 45m1 stop
KLM Logo
09:20 - 16:05LCY-IAD
11h 45m1 stop
£480KLM
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Wed, 26 Nov - Fri, 5 Dec
ITA Airways Logo
12:55 - 10:55IAD-LCY
18h 00m2 stops
ITA Airways Logo
16:45 - 15:40LCY-IAD
26h 55m1 stop
£481ITA Airways
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Wed, 18 Mar - Wed, 25 Mar

Virgin Atlantic flights from Washington, D.C. Dulles Intl Airport to London City Airport

Our best Virgin Atlantic deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
Virgin Atlantic
3 Dec
IAD18:05Washington, D.C. Dulles Intl
32h 10m
1 stop
LCY07:15London City
10 Dec
LCY09:20London City
11h 45m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£463
Find similar
Virgin Atlantic
1 Dec
IAD18:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City
14 Jan
LCY09:20London City
18h 46m
2 stops
IAD23:06Washington, D.C. Dulles Intl
£487
Find similar
Virgin Atlantic
8 Jan
IAD18:05Washington, D.C. Dulles Intl
20h 30m
1 stop
LCY19:35London City
14 Jan
LCY20:05London City
25h 00m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£488
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SWISS flights from Washington, D.C. Dulles Intl Airport to London City Airport

Our best SWISS deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
SWISS
1 Dec
IAD17:25Washington, D.C. Dulles Intl
20h 15m
1 stop
LCY18:40London City
10 Dec
LCY19:10London City
26h 30m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£468
Find similar
SWISS
9 Dec
IAD20:30Washington, D.C. Dulles Intl
11h 25m
1 stop
LCY12:55London City
16 Dec
LCY09:15London City
12h 25m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£469
Find similar
SWISS
2 Dec
IAD20:30Washington, D.C. Dulles Intl
11h 25m
1 stop
LCY12:55London City
9 Dec
LCY09:15London City
12h 25m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£472
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 16 November 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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 3/12

18:05-07:15

1 stop32h 10m

London City

Wed 10/12

09:20-16:05

1 stop11h 45m

£463

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 1/12

17:25-18:40

1 stop20h 15m

London City

Wed 10/12

19:10-16:40

1 stop26h 30m

£468

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/12

20:30-12:55

1 stop11h 25m

London City

Tue 16/12

09:15-16:40

1 stop12h 25m

£469

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 2/12

20:30-12:55

1 stop11h 25m

London City

Tue 9/12

09:15-16:40

1 stop12h 25m

£472

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 30/12

20:30-17:05

1 stop15h 35m

London City

Tue 13/1

09:15-16:40

1 stop12h 25m

£473

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/12

20:30-17:05

1 stop15h 35m

London City

Tue 16/12

09:15-16:40

1 stop12h 25m

£474

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Thu 22/1

20:30-12:55

1 stop11h 25m

London City

Thu 29/1

09:15-16:40

1 stop12h 25m

£475

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 28/1

17:25-12:55

1 stop14h 30m

London City

Tue 3/2

09:15-16:40

1 stop12h 25m

£478

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 26/11

18:05-08:50

1 stop9h 45m

London City

Fri 5/12

09:20-16:05

1 stop11h 45m

£480

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 18/3

12:55-10:55

2 stops18h 00m

London City

Wed 25/3

16:45-15:40

1 stop26h 55m

£481

Flights are sorted by cheapest return 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. Dulles Intl Airport 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. Dulles Intl to London City?

SWISS, ITA Airways, and Lufthansa are the most popular carriers operating from Washington, D.C. Dulles Intl to London City

When to book flights from Washington, D.C. Dulles Intl Airport to London City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to London City Airport (IAD to LCY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to London City Airport

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to London City Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to London City Airport.
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  • How far is Washington, D.C. Dulles Intl to London City by plane?

    Washington, D.C. Dulles Intl and London City are 3684.3 mi apart from one another. Typically, this will take 9h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to London City Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to London City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to London City Airport.

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

    The travel and health documents required for your trip to London City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

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Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
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. All flights to London from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to London from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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