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Cheap flights from Washington, D.C. Reagan-National Airport to London from $440

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. Reagan-National Airport to London departing on 5/11. 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. Reagan-National Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
2:00 pm - 9:30 am
DCA
-
LCY
14h 30m
2 stops
KLM Logo
10:00 am - 10:08 pm
LCY
-
DCA
17h 08m
2 stops
$748KLM
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
1:48 pm - 2:35 pm
DCA
-
LCY
20h 47m
2 stops
British Airways Logo
8:25 pm - 4:25 pm
LCY
-
DCA
25h 00m
2 stops
$864British Airways
Mon, Mar 23 - Mon, Mar 30
British Airways Logo
12:04 pm - 12:20 pm
DCA
-
LCY
20h 16m
2 stops
British Airways Logo
8:25 pm - 4:25 pm
LCY
-
DCA
25h 00m
2 stops
$884British Airways
Tue, Mar 24 - Mon, Mar 30
British Airways Logo
4:34 pm - 1:50 pm
DCA
-
LCY
17h 16m
2 stops
British Airways Logo
8:25 pm - 4:25 pm
LCY
-
DCA
25h 00m
2 stops
$888British Airways
Wed, Mar 25 - Mon, Mar 30
British Airways Logo
4:34 pm - 1:50 pm
DCA
-
LCY
17h 16m
2 stops
British Airways Logo
8:30 pm - 4:25 pm
LCY
-
DCA
24h 55m
2 stops
$898British Airways
Wed, Mar 25 - Sun, Mar 29
Iberia Logo
1:25 pm - 6:30 pm
DCA
-
LCY
24h 05m
2 stops
Iberia Logo
9:50 am - 10:29 pm
LCY
-
DCA
17h 39m
2 stops
$899Iberia
Sat, Apr 18 - Tue, Apr 28
British Airways Logo
1:30 pm - 12:20 pm
DCA
-
LCY
18h 50m
2 stops
British Airways Logo
8:30 pm - 4:37 pm
LCY
-
DCA
25h 07m
2 stops
$934British Airways
Sun, Mar 22 - Sun, Mar 29
British Airways Logo
5:00 pm - 12:20 pm
DCA
-
LCY
15h 20m
2 stops
British Airways Logo
8:30 pm - 4:25 pm
LCY
-
DCA
24h 55m
2 stops
$935British Airways
Sun, Mar 22 - Sun, Mar 29
British Airways Logo
4:34 pm - 1:50 pm
DCA
-
LCY
17h 16m
2 stops
British Airways Logo
8:30 pm - 4:37 pm
LCY
-
DCA
25h 07m
2 stops
$938British Airways
Wed, Mar 25 - Sun, Mar 29
British Airways Logo
2:16 pm - 1:50 pm
DCA
-
LCY
19h 34m
2 stops
British Airways Logo
8:30 pm - 4:25 pm
LCY
-
DCA
24h 55m
2 stops
$944British Airways
Wed, Mar 25 - Sun, Mar 29

British Airways flights from Washington, D.C. Reagan-National Airport to London City Airport

Our best British Airways deals on Washington, D.C. Reagan-National Airport to London City Airport flight tickets
British Airways
Mar 23
DCA1:48 pmWashington, D.C. Reagan-National
20h 47m
2 stops
LCY2:35 pmLondon City
Mar 30
LCY8:25 pmLondon City
25h 00m
2 stops
DCA4:25 pmWashington, D.C. Reagan-National
$864
British Airways
Mar 24
DCA12:04 pmWashington, D.C. Reagan-National
20h 16m
2 stops
LCY12:20 pmLondon City
Mar 30
LCY8:25 pmLondon City
25h 00m
2 stops
DCA4:25 pmWashington, D.C. Reagan-National
$884
British Airways
Mar 25
DCA4:34 pmWashington, D.C. Reagan-National
17h 16m
2 stops
LCY1:50 pmLondon City
Mar 30
LCY8:25 pmLondon City
25h 00m
2 stops
DCA4:25 pmWashington, D.C. Reagan-National
$888

Iberia flights from Washington, D.C. Reagan-National Airport to London City Airport

Our best Iberia deals on Washington, D.C. Reagan-National Airport to London City Airport flight tickets
Iberia
Apr 18
DCA1:25 pmWashington, D.C. Reagan-National
24h 05m
2 stops
LCY6:30 pmLondon City
Apr 28
LCY9:50 amLondon City
17h 39m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$899
Iberia
Apr 24
DCA1:25 pmWashington, D.C. Reagan-National
14h 10m
2 stops
LCY8:35 amLondon City
Apr 28
LCY9:50 amLondon City
17h 39m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$971
Iberia
Apr 21
DCA1:25 pmWashington, D.C. Reagan-National
20h 50m
2 stops
LCY3:15 pmLondon City
Apr 28
LCY9:50 amLondon City
17h 39m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$972

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National 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 March 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National 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

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/1

2:00 pm-9:30 am

2 stops14h 30m

London City

Wed 4/8

10:00 am-10:08 pm

2 stops17h 08m

$748

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 3/23

1:48 pm-2:35 pm

2 stops20h 47m

London City

Mon 3/30

8:25 pm-4:25 pm

2 stops25h 00m

$864

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/24

12:04 pm-12:20 pm

2 stops20h 16m

London City

Mon 3/30

8:25 pm-4:25 pm

2 stops25h 00m

$884

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

4:34 pm-1:50 pm

2 stops17h 16m

London City

Mon 3/30

8:25 pm-4:25 pm

2 stops25h 00m

$888

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

4:34 pm-1:50 pm

2 stops17h 16m

London City

Sun 3/29

8:30 pm-4:25 pm

2 stops24h 55m

$898

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 4/18

1:25 pm-6:30 pm

2 stops24h 05m

London City

Tue 4/28

9:50 am-10:29 pm

2 stops17h 39m

$899

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 3/22

1:30 pm-12:20 pm

2 stops18h 50m

London City

Sun 3/29

8:30 pm-4:37 pm

2 stops25h 07m

$934

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 3/22

5:00 pm-12:20 pm

2 stops15h 20m

London City

Sun 3/29

8:30 pm-4:25 pm

2 stops24h 55m

$935

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

4:34 pm-1:50 pm

2 stops17h 16m

London City

Sun 3/29

8:30 pm-4:37 pm

2 stops25h 07m

$938

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

2:16 pm-1:50 pm

2 stops19h 34m

London City

Sun 3/29

8:30 pm-4:25 pm

2 stops24h 55m

$944

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. Reagan-National 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. Reagan-National to London City?

United Airlines and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to London City

When to book flights from Washington, D.C. Reagan-National Airport to London City Airport

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

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

Fastest flight time

12h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 12h 45m
There are no direct flights from Washington, D.C. Reagan-National Airport to London City Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to London City Airport.
Search flight deals

  • How far is Washington, D.C. Reagan-National to London City by plane?

    Washington, D.C. Reagan-National and London City are 3671.8 mi apart from one another. In terms of flight time, this usually takes a little over 12h 45m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to London City Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport 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
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

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?

momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to London?

Once you have performed a search for Washington, D.C. to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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