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Cheap flights from Washington, D.C. Dulles Intl Airport to London from $464

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 7/28. 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 round-trip flights

Enter your travel dates to find the best prices.
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
Sun, Aug 23 - Fri, Oct 23
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 - Wed, Sep 30
SWISS Logo
8:20 pm - 6:40 pm
IAD
-
LCY
17h 20m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$834SWISS
Tue, Sep 1 - Thu, Oct 15
SWISS Logo
8:20 pm - 5:25 pm
IAD
-
LCY
16h 05m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$836SWISS
Tue, Sep 1 - Thu, Oct 15
SWISS Logo
8:20 pm - 5:25 pm
IAD
-
LCY
16h 05m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$839SWISS
Wed, Aug 12 - Tue, Aug 25
SWISS Logo
8:20 pm - 5:25 pm
IAD
-
LCY
16h 05m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$847SWISS
Tue, Sep 1 - Tue, Sep 8
Virgin Atlantic Logo
5:40 pm - 9:30 am
IAD
-
LCY
10h 50m
1 stop
Virgin Atlantic Logo
9:20 am - 3:35 pm
LCY
-
IAD
11h 15m
1 stop
$852Virgin Atlantic
Sun, May 3 - Tue, May 12
Virgin Atlantic Logo
5:40 pm - 9:10 am
IAD
-
LCY
10h 30m
1 stop
Virgin Atlantic Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$857Virgin Atlantic
Sun, May 3 - Tue, May 12
Virgin Atlantic Logo
5:40 pm - 9:50 am
IAD
-
LCY
11h 10m
1 stop
Virgin Atlantic Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$859Virgin Atlantic
Sun, May 3 - Tue, May 12
Virgin Atlantic Logo
5:40 pm - 9:30 am
IAD
-
LCY
10h 50m
1 stop
Virgin Atlantic Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$860Virgin Atlantic
Sun, May 3 - Tue, May 12

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
May 3
IAD5:40 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
LCY9:30 amLondon City
May 12
LCY9:20 amLondon City
11h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$852
Virgin Atlantic
May 3
IAD5:40 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
LCY9:10 amLondon City
May 12
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$857
Virgin Atlantic
May 3
IAD5:40 pmWashington, D.C. Dulles Intl
11h 10m
1 stop
LCY9:50 amLondon City
May 12
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$859

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
Delta
May 6
IAD6:10 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
LCY8:50 amLondon City
May 20
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$883
Delta
May 4
IAD6:10 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
LCY8:50 amLondon City
May 15
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$884
Delta
May 8
IAD5:40 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
LCY11:40 amLondon City
May 15
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$930

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 19, 2026.
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

Cheapest round-trip

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 8/23

8:20 pm-12:35 pm

1 stop11h 15m

London City

Fri 10/23

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

Wed 9/30

9:15 am-4:45 pm

1 stop12h 30m

$831

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/1

8:20 pm-6:40 pm

1 stop17h 20m

London City

Thu 10/15

9:15 am-4:45 pm

1 stop12h 30m

$834

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/1

8:20 pm-5:25 pm

1 stop16h 05m

London City

Thu 10/15

9:15 am-4:45 pm

1 stop12h 30m

$836

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 8/12

8:20 pm-5:25 pm

1 stop16h 05m

London City

Tue 8/25

9:15 am-4:45 pm

1 stop12h 30m

$839

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/1

8:20 pm-5:25 pm

1 stop16h 05m

London City

Tue 9/8

9:15 am-4:45 pm

1 stop12h 30m

$847

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 5/3

5:40 pm-9:30 am

1 stop10h 50m

London City

Tue 5/12

9:20 am-3:35 pm

1 stop11h 15m

$852
Quickest round-trip

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 5/3

5:40 pm-9:10 am

1 stop10h 30m

London City

Tue 5/12

10:00 am-3:35 pm

1 stop10h 35m

$857

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 5/3

5:40 pm-9:50 am

1 stop11h 10m

London City

Tue 5/12

10:00 am-3:35 pm

1 stop10h 35m

$859

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 5/3

5:40 pm-9:30 am

1 stop10h 50m

London City

Tue 5/12

10:00 am-3:35 pm

1 stop10h 35m

$860

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. 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?

Virgin Atlantic, Delta, and United Airlines 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 round-trip 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

Fastest flight time

9h 40m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to London City Airport takes 9h 40m
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.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to London City Airport

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

    London City is 3684.3 mi away from Washington, D.C. Dulles Intl. 9h 40m is a normal flight duration for this route.

  • 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 you'll need for your trip to London City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London City Airport. It is always advisable to seek advice from your airline or a trusted 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
Hayes
Slough
Crawley
Wembley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford
Richmond

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to London for you.

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

All flight searches from Washington, D.C. to London on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington, D.C. and alert you when they change.

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