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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 7/29. 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

 Logo
5:05 pm - 10:25 amIAD-LCY
12h 20m1 stop
 Logo
6:50 am - 3:35 pmLCY-IAD
13h 45m1 stop
Tue, Dec 2 - Tue, Dec 9
SWISS Logo
8:45 pm - 6:45 pmIAD-LCY
17h 00m1 stop
SWISS Logo
9:25 am - 4:15 pmLCY-IAD
11h 50m1 stop
$524SWISS
Find Deal
Wed, Oct 1 - Tue, Oct 7
KLM Logo
5:25 pm - 7:40 pmIAD-LCY
21h 15m1 stop
KLM Logo
7:05 pm - 3:35 pmLCY-IAD
25h 30m1 stop
$567KLM
Find Deal
Wed, Aug 13 - Wed, Aug 20
Delta Logo
5:25 pm - 8:50 amIAD-LCY
10h 25m1 stop
Delta Logo
10:00 am - 3:35 pmLCY-IAD
10h 35m1 stop
$568Delta
Find Deal
Wed, Aug 13 - Tue, Aug 26
KLM Logo
5:25 pm - 8:10 amIAD-LCY
9h 45m1 stop
KLM Logo
10:00 am - 3:35 pmLCY-IAD
10h 35m1 stop
$570KLM
Find Deal
Wed, Sep 3 - Fri, Oct 24
Delta Logo
5:25 pm - 8:50 amIAD-LCY
10h 25m1 stop
Delta Logo
9:20 am - 3:35 pmLCY-IAD
11h 15m1 stop
$571Delta
Find Deal
Sun, Sep 14 - Thu, Sep 25
Virgin Atlantic Logo
12:13 pm - 9:30 amIAD-LCY
16h 17m2 stops
Virgin Atlantic Logo
8:40 am - 3:35 pmLCY-IAD
11h 55m1 stop
$574Virgin Atlantic
Find Deal
Mon, Aug 18 - Fri, Aug 29
Virgin Atlantic Logo
5:25 pm - 8:10 amIAD-LCY
9h 45m1 stop
Virgin Atlantic Logo
10:00 am - 12:07 amLCY-IAD
19h 07m2 stops
$580Virgin Atlantic
Find Deal
Wed, Sep 3 - Thu, Oct 23
British Airways Logo
2:54 pm - 6:25 pmDCA-LCY
22h 31m2 stops
British Airways Logo
7:00 am - 7:59 pmLCY-DCA
17h 59m2 stops
$833British Airways
Find Deal
Wed, Jul 23 - Fri, Aug 22
British Airways Logo
7:06 pm - 6:25 pmDCA-LCY
42h 19m2 stops
British Airways Logo
7:00 am - 7:59 pmLCY-DCA
17h 59m2 stops
$838British Airways
Find Deal
Tue, Jul 22 - Fri, Aug 22

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

Our best Delta deals on Washington, D.C. to London City Airport flight tickets
Delta
Aug 13
IAD5:25 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LCY8:50 amLondon City
Aug 26
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Delta
Sep 14
IAD5:25 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LCY8:50 amLondon City
Sep 25
LCY9:20 amLondon City
11h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Delta
Aug 12
DCA12:20 pmWashington, D.C. Reagan-National
15h 30m
2 stops
LCY8:50 amLondon City
Aug 19
LCY9:20 amLondon City
17h 52m
2 stops
DCA10:12 pmWashington, D.C. Reagan-National

SWISS flights from Washington, D.C. to London City Airport

Our best SWISS deals on Washington, D.C. to London City Airport flight tickets
SWISS
Oct 1
IAD8:45 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
LCY6:45 pmLondon City
Oct 7
LCY9:25 amLondon City
11h 50m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
SWISS
Aug 20
IAD8:45 pmWashington, D.C. Dulles Intl
10h 45m
1 stop
LCY12:30 pmLondon City
Aug 27
LCY6:05 pmLondon City
27h 10m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
SWISS
Aug 20
IAD8:45 pmWashington, D.C. Dulles Intl
10h 45m
1 stop
LCY12:30 pmLondon City
Aug 27
LCY7:20 pmLondon City
25h 55m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl

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 typical price of a round-trip flight between Washington, D.C. and London City Airport?

What is the cheapest day to depart on your flight to London City Airport?

The cheapest day to depart from Washington, D.C. to London City Airport is on a Sunday. Travelers who choose to depart for London City Airport on a Sunday will often find tickets for as low as $680. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London City Airport on Friday is $910.

What is the cheapest time of day to depart on your flight to London City Airport?

Our most recent data shows that the best time of day to fly to London City Airport is in the evening. Flights from Washington, D.C. to London City Airport during this time can be as low as $736. Flights in the afternoon are often more expensive with an average ticket price of $875.

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

Best Price Found

$306

Fastest flight time

9h 45m

Direct flights

None
The best one-way flight to London City Airport from Washington, D.C. in the past 72 hours is $306. The best round-trip flight deal from Washington, D.C. to London City Airport found on momondo in the last 72 hours is $518.
The fastest flight from Washington, D.C. to London City Airport takes 9h 45m
There are no direct flights from Washington, D.C. to London City Airport. Popular non-direct routes for this connection are Baltimore/Washington Airport - London City Airport and Washington, D.C. Dulles Intl Airport - London City Airport.

  • 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 45m.

  • 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
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Milton Keynes
Ilford
Colchester
Canterbury
Chelmsford
Watford
Richmond
Wembley
Dagenham
St. Albans

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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Sat 7/5
Sat 7/12

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