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Cheap flights from Washington, D.C. Reagan-National Airport to London from $490

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.
Delta Logo
10:00 am - 8:50 am
DCA
-
LCY
17h 50m
2 stops
Delta Logo
8:25 am - 10:08 pm
LCY
-
DCA
18h 43m
2 stops
$845Delta
Wed, Apr 1 - Wed, Apr 8
Delta Logo
11:00 am - 7:55 am
DCA
-
LCY
15h 55m
2 stops
Delta Logo
10:00 am - 10:50 pm
LCY
-
DCA
17h 50m
2 stops
$947Delta
Thu, Apr 30 - Mon, May 4
British Airways Logo
6:00 am - 9:10 am
DCA
-
LCY
22h 10m
2 stops
British Airways Logo
7:15 pm - 7:56 pm
LCY
-
DCA
29h 41m
2 stops
$963British Airways
Wed, Apr 15 - Mon, Apr 20
British Airways Logo
4:34 pm - 11:30 am
DCA
-
LCY
13h 56m
2 stops
British Airways Logo
7:00 am - 4:45 pm
LCY
-
DCA
14h 45m
2 stops
$1,004British Airways
Mon, Apr 6 - Wed, Apr 15
British Airways Logo
6:00 am - 9:00 am
DCA
-
LCY
22h 00m
2 stops
British Airways Logo
7:15 pm - 4:47 pm
LCY
-
DCA
26h 32m
2 stops
$1,012British Airways
Fri, Apr 17 - Mon, Apr 20
British Airways Logo
6:00 am - 9:00 am
DCA
-
LCY
22h 00m
2 stops
British Airways Logo
7:15 pm - 4:47 pm
LCY
-
DCA
26h 32m
2 stops
$1,013British Airways
Fri, Apr 17 - Mon, Apr 20
Multiple Airlines Logo
6:00 am - 9:00 am
DCA
-
LCY
22h 00m
2 stops
Multiple Airlines Logo
7:15 pm - 10:47 pm
LCY
-
DCA
32h 32m
2 stops
$1,023Multiple Airlines
Fri, Apr 17 - Fri, Apr 24
Multiple Airlines Logo
6:00 am - 9:00 am
DCA
-
LCY
22h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 6:58 pm
LCY
-
DCA
27h 53m
2 stops
$1,025Multiple Airlines
Fri, Apr 17 - Sun, Apr 19
British Airways Logo
10:00 am - 9:00 am
DCA
-
LCY
18h 00m
2 stops
British Airways Logo
7:35 pm - 8:19 pm
LCY
-
DCA
29h 44m
2 stops
$1,034British Airways
Tue, Apr 7 - Sun, Apr 12
Iberia Logo
1:25 pm - 9:10 am
DCA
-
LCY
14h 45m
2 stops
Iberia Logo
9:35 am - 9:55 pm
LCY
-
DCA
17h 20m
2 stops
$1,040Iberia
Mon, Apr 20 - Thu, Apr 30

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
Apr 15
DCA6:00 amWashington, D.C. Reagan-National
22h 10m
2 stops
LCY9:10 amLondon City
Apr 20
LCY7:15 pmLondon City
29h 41m
2 stops
DCA7:56 pmWashington, D.C. Reagan-National
$963
British Airways
Apr 6
DCA4:34 pmWashington, D.C. Reagan-National
13h 56m
2 stops
LCY11:30 amLondon City
Apr 15
LCY7:00 amLondon City
14h 45m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
$1,004
British Airways
Apr 17
DCA6:00 amWashington, D.C. Reagan-National
22h 00m
2 stops
LCY9:00 amLondon City
Apr 20
LCY7:15 pmLondon City
26h 32m
2 stops
DCA4:47 pmWashington, D.C. Reagan-National
$1,012

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 16
DCA1:25 pmWashington, D.C. Reagan-National
14h 45m
2 stops
LCY9:10 amLondon City
Apr 20
LCY7:15 pmLondon City
32h 14m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$1,118
Iberia
Aug 13
DCA3:00 pmWashington, D.C. Reagan-National
18h 25m
2 stops
LCY2:25 pmLondon City
Aug 20
LCY8:00 amLondon City
20h 17m
2 stops
DCA11:17 pmWashington, D.C. Reagan-National
$1,334
Iberia
Apr 5
DCA1:54 pmWashington, D.C. Reagan-National
14h 46m
2 stops
LCY9:40 amLondon City
Apr 10
LCY9:35 amLondon City
17h 25m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$1,986

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 22, 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

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/1

10:00 am-8:50 am

2 stops17h 50m

London City

Wed 4/8

8:25 am-10:08 pm

2 stops18h 43m

$845

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 4/30

11:00 am-7:55 am

2 stops15h 55m

London City

Mon 5/4

10:00 am-10:50 pm

2 stops17h 50m

$947

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/15

6:00 am-9:10 am

2 stops22h 10m

London City

Mon 4/20

7:15 pm-7:56 pm

2 stops29h 41m

$963
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 4/6

4:34 pm-11:30 am

2 stops13h 56m

London City

Wed 4/15

7:00 am-4:45 pm

2 stops14h 45m

$1,004

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-9:00 am

2 stops22h 00m

London City

Mon 4/20

7:15 pm-4:47 pm

2 stops26h 32m

$1,012

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-9:00 am

2 stops22h 00m

London City

Mon 4/20

7:15 pm-4:47 pm

2 stops26h 32m

$1,013

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-9:00 am

2 stops22h 00m

London City

Fri 4/24

7:15 pm-10:47 pm

2 stops32h 32m

$1,023

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-9:00 am

2 stops22h 00m

London City

Sun 4/19

8:05 pm-6:58 pm

2 stops27h 53m

$1,025

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 4/7

10:00 am-9:00 am

2 stops18h 00m

London City

Sun 4/12

7:35 pm-8:19 pm

2 stops29h 44m

$1,034

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 4/20

1:25 pm-9:10 am

2 stops14h 45m

London City

Thu 4/30

9:35 am-9:55 pm

2 stops17h 20m

$1,040

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?

Delta and United Airlines 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

14h 36m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 14h 36m
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 14h 36m.

  • 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
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
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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