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Cheap flights from Washington, D.C. Dulles Intl Airport to London from $392

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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.
KLM Logo
5:40 pm - 9:30 am
IAD
-
LCY
10h 50m
1 stop
KLM Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$882KLM
Sun, Sep 20 - Thu, Sep 24
Virgin Atlantic Logo
12:30 pm - 7:15 am
IAD
-
LCY
13h 45m
2 stops
Virgin Atlantic Logo
9:20 am - 3:35 pm
LCY
-
IAD
11h 15m
1 stop
$883Virgin Atlantic
Tue, Aug 18 - Tue, Aug 25
Lufthansa Logo
3:25 pm - 8:40 am
IAD
-
LCY
12h 15m
1 stop
Lufthansa Logo
9:15 am - 4:05 pm
LCY
-
IAD
11h 50m
1 stop
$884Lufthansa
Wed, Aug 12 - Fri, Aug 21
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
$885SWISS
Tue, Sep 1 - Tue, Sep 8
SWISS Logo
8:10 pm - 12:50 pm
IAD
-
LCY
11h 40m
1 stop
SWISS Logo
9:15 am - 4:45 pm
LCY
-
IAD
12h 30m
1 stop
$886SWISS
Tue, Nov 10 - Wed, Nov 18
Virgin Atlantic Logo
5:40 pm - 6:30 pm
IAD
-
LCY
19h 50m
1 stop
Virgin Atlantic Logo
9:20 am - 11:14 pm
LCY
-
IAD
18h 54m
2 stops
$888Virgin Atlantic
Tue, Sep 1 - Wed, Sep 30
Virgin Atlantic Logo
6:10 pm - 9:30 am
IAD
-
LCY
10h 20m
1 stop
Virgin Atlantic Logo
7:45 am - 6:33 pm
LCY
-
IAD
15h 48m
2 stops
$889Virgin Atlantic
Wed, Aug 5 - Wed, Aug 19
Virgin Atlantic Logo
6:10 pm - 4:40 pm
IAD
-
LCY
17h 30m
1 stop
Virgin Atlantic Logo
8:25 am - 12:32 am
LCY
-
IAD
21h 07m
2 stops
$890Virgin Atlantic
Wed, Sep 2 - Wed, Sep 16
Virgin Atlantic Logo
5:40 pm - 5:20 pm
IAD
-
LCY
18h 40m
1 stop
Virgin Atlantic Logo
8:25 am - 12:10 am
LCY
-
IAD
20h 45m
2 stops
$891Virgin Atlantic
Tue, Sep 1 - Thu, Sep 10
Delta Logo
7:59 pm - 9:30 am
IAD
-
LCY
32h 31m
2 stops
Delta Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$892Delta
Sat, Sep 5 - Fri, Sep 11

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

Our best Iberia deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
Iberia
Sep 8
IAD8:25 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
LCY3:15 pmLondon City
Sep 29
LCY8:10 amLondon City
15h 40m
2 stops
IAD6:50 pmWashington, D.C. Dulles Intl
$947
Iberia
Jun 17
IAD5:00 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
LCY3:15 pmLondon City
Jul 2
LCY9:50 amLondon City
14h 05m
1 stop
IAD6:55 pmWashington, D.C. Dulles Intl
$1,386
Iberia
Jun 17
IAD5:00 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
LCY3:15 pmLondon City
Jul 2
LCY8:00 amLondon City
15h 55m
2 stops
IAD6:55 pmWashington, D.C. Dulles Intl
$1,401

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
Lufthansa
Aug 12
IAD3:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LCY8:40 amLondon City
Aug 21
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$884
Lufthansa
Aug 12
IAD3:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LCY8:40 amLondon City
Aug 26
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$886
Lufthansa
Sep 1
IAD3:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LCY8:40 amLondon City
Sep 8
LCY9:15 amLondon City
11h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$900

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 June 10, 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
Quickest round-trip

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 9/20

5:40 pm-9:30 am

1 stop10h 50m

London City

Thu 9/24

10:00 am-3:35 pm

1 stop10h 35m

$882

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 8/18

12:30 pm-7:15 am

2 stops13h 45m

London City

Tue 8/25

9:20 am-3:35 pm

1 stop11h 15m

$883

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 8/12

3:25 pm-8:40 am

1 stop12h 15m

London City

Fri 8/21

9:15 am-4:05 pm

1 stop11h 50m

$884

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

$885

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/10

8:10 pm-12:50 pm

1 stop11h 40m

London City

Wed 11/18

9:15 am-4:45 pm

1 stop12h 30m

$886

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/1

5:40 pm-6:30 pm

1 stop19h 50m

London City

Wed 9/30

9:20 am-11:14 pm

2 stops18h 54m

$888

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 8/5

6:10 pm-9:30 am

1 stop10h 20m

London City

Wed 8/19

7:45 am-6:33 pm

2 stops15h 48m

$889

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/2

6:10 pm-4:40 pm

1 stop17h 30m

London City

Wed 9/16

8:25 am-12:32 am

2 stops21h 07m

$890

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/1

5:40 pm-5:20 pm

1 stop18h 40m

London City

Thu 9/10

8:25 am-12:10 am

2 stops20h 45m

$891

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sat 9/5

7:59 pm-9:30 am

2 stops32h 31m

London City

Fri 9/11

10:00 am-3:35 pm

1 stop10h 35m

$892

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 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to London City Airport takes 9h 30m
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 30m 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
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

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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