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Cheap flights from Washington, D.C. Dulles Intl Airport to London from $322

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 11/10. 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.
Multiple Airlines Logo
8:10 pm - 12:50 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 40m1 stop Zurich
Multiple Airlines Logo
7:50 am - 4:20 pmLCY  London City-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Madrid Barajas
$808Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
6:15 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-LCY London City
9h 35m1 stop Amsterdam Schiphol
Multiple Airlines Logo
7:50 am - 4:20 pmLCY  London City-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Madrid Barajas
$810Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
SWISS Logo
8:20 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 15m1 stop Zurich
SWISS Logo
9:15 am - 4:45 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Zurich
$815SWISS
Mon, Sep 21 - Tue, Sep 29
Multiple Airlines Logo
4:45 pm - 3:55 pmIAD  Washington, D.C. Dulles Intl-LCY London City
18h 10m2 stops Rome Fiumicino Milan Linate
Multiple Airlines Logo
7:05 pm - 5:00 pmLCY  London City-IAD Washington, D.C. Dulles Intl
26h 55m1 stop Zurich
$815Multiple Airlines
Tue, Nov 17 - Tue, Dec 8
Multiple Airlines Logo
5:50 pm - 2:05 pmIAD  Washington, D.C. Dulles Intl-LCY London City
15h 15m1 stop Madrid Barajas
Multiple Airlines Logo
9:15 am - 5:00 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 45m1 stop Zurich
$815Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
SWISS Logo
8:20 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 15m1 stop Zurich
SWISS Logo
9:15 am - 4:45 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Zurich
$816SWISS
Mon, Sep 21 - Wed, Sep 30
SWISS Logo
8:20 pm - 6:40 pmIAD  Washington, D.C. Dulles Intl-LCY London City
17h 20m1 stop Zurich
SWISS Logo
9:15 am - 5:00 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 45m1 stop Zurich
$816SWISS
Tue, Oct 13 - Tue, Nov 3
SWISS Logo
8:20 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 15m1 stop Zurich
SWISS Logo
9:15 am - 4:45 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Zurich
$816SWISS
Mon, Oct 12 - Thu, Oct 22
SWISS Logo
8:20 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 15m1 stop Zurich
SWISS Logo
9:15 am - 4:45 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Zurich
$816SWISS
Tue, Sep 22 - Tue, Oct 6
SWISS Logo
8:20 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-LCY London City
11h 15m1 stop Zurich
SWISS Logo
9:15 am - 4:45 pmLCY  London City-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Zurich
$816SWISS
Tue, Oct 6 - Tue, Oct 20

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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
Sep 21
IAD8:20 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
LCY12:35 pmLondon City
Sep 29
LCY9:15 amLondon City
12h 30m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$815
SWISS
Sep 29
IAD8:20 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
LCY5:25 pmLondon City
Oct 6
LCY9:15 amLondon City
12h 30m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$816
SWISS
Jan 5
IAD8:10 pmWashington, D.C. Dulles Intl
15h 55m
1 stop
LCY5:05 pmLondon City
Jan 12
LCY9:15 amLondon City
12h 45m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$824

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

Our best ITA Airways deals on Washington, D.C. Dulles Intl Airport to London City Airport flight tickets
ITA Airways
Nov 17
IAD4:45 pmWashington, D.C. Dulles Intl
15h 25m
2 stops
LCY1:10 pmLondon City
Dec 8
LCY7:30 pmLondon City
48h 10m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$828
ITA Airways
Nov 1
IAD4:45 pmWashington, D.C. Dulles Intl
18h 10m
2 stops
LCY3:55 pmLondon City
Nov 14
LCY12:20 pmLondon City
31h 20m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$870
ITA Airways
Aug 15
IAD4:30 pmWashington, D.C. Dulles Intl
18h 25m
2 stops
LCY3:55 pmLondon City
Aug 26
LCY4:30 pmLondon City
27h 00m
2 stops
IAD2:30 pmWashington, D.C. Dulles Intl
$1,086

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 August 9, 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 Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Wed 11/25

8:10 pm-12:50 pm

1 stop11h 40m

London City

Wed 12/2

7:50 am-4:20 pm

1 stop13h 30m

$808
Quickest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Wed 11/25

6:15 pm-8:50 am

1 stop9h 35m

London City

Wed 12/2

7:50 am-4:20 pm

1 stop13h 30m

$810

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 9/29

9:15 am-4:45 pm

1 stop12h 30m

$815

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Tue 11/17

4:45 pm-3:55 pm

2 stops18h 10m

London City

Tue 12/8

7:05 pm-5:00 pm

1 stop26h 55m

$815

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Wed 12/2

5:50 pm-2:05 pm

1 stop15h 15m

London City

Wed 12/9

9:15 am-5:00 pm

1 stop12h 45m

$815

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-12:35 pm

1 stop11h 15m

London City

Wed 9/30

9:15 am-4:45 pm

1 stop12h 30m

$816

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Tue 10/13

8:20 pm-6:40 pm

1 stop17h 20m

London City

Tue 11/3

9:15 am-5:00 pm

1 stop12h 45m

$816

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Mon 10/12

8:20 pm-12:35 pm

1 stop11h 15m

London City

Thu 10/22

9:15 am-4:45 pm

1 stop12h 30m

$816

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Tue 9/22

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 10/6

9:15 am-4:45 pm

1 stop12h 30m

$816

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LCY London City

IADLCY

Washington, D.C. Dulles Intl

Tue 10/6

8:20 pm-12:35 pm

1 stop11h 15m

London City

Tue 10/20

9:15 am-4:45 pm

1 stop12h 30m

$816

Flights are sorted by cheapest round-trip flights first.

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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, Lufthansa, and Delta 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.
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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?

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Hayes
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Dover
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Slough
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Watford
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Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

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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