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Cheap flights from Washington, D.C. Reagan-National Airport to London from $401

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 5/12. 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
12:55 pm - 8:10 am
DCA
-
LCY
14h 15m
2 stops
KLM Logo
8:05 pm - 5:53 pm
LCY
-
DCA
26h 48m
2 stops
$766KLM
Thu, Feb 5 - Sun, Feb 8
British Airways Logo
8:42 am - 8:50 am
DCA
-
LCY
20h 08m
2 stops
British Airways Logo
7:15 pm - 4:37 pm
LCY
-
DCA
25h 22m
2 stops
$778British Airways
Mon, Mar 9 - Sun, Mar 15
British Airways Logo
8:20 am - 8:35 am
DCA
-
LCY
19h 15m
2 stops
British Airways Logo
7:15 pm - 4:47 pm
LCY
-
DCA
26h 32m
2 stops
$799British Airways
Tue, Apr 21 - Mon, Apr 27
British Airways Logo
1:44 pm - 8:50 am
DCA
-
LCY
15h 06m
2 stops
British Airways Logo
12:05 pm - 8:19 pm
LCY
-
DCA
37h 14m
2 stops
$803British Airways
Tue, Mar 24 - Sat, Apr 11
Iberia Logo
5:30 pm - 2:05 pm
DCA
-
LCY
15h 35m
2 stops
Iberia Logo
7:50 am - 4:37 pm
LCY
-
DCA
37h 47m
2 stops
$808Iberia
Wed, Feb 4 - Wed, Feb 11
Iberia Logo
1:54 pm - 2:05 pm
DCA
-
LCY
19h 11m
2 stops
Iberia Logo
7:50 am - 9:01 pm
LCY
-
DCA
17h 11m
2 stops
$819Iberia
Tue, Mar 3 - Wed, Mar 11
Iberia Logo
1:25 pm - 8:35 am
DCA
-
LCY
14h 10m
2 stops
Iberia Logo
11:00 am - 10:17 pm
LCY
-
DCA
16h 17m
2 stops
$835Iberia
Fri, Apr 17 - Wed, Apr 29
Iberia Logo
1:25 pm - 8:35 am
DCA
-
LCY
14h 10m
2 stops
Iberia Logo
7:15 pm - 10:15 pm
LCY
-
DCA
32h 00m
2 stops
$845Iberia
Tue, Apr 21 - Tue, Apr 28
British Airways Logo
8:42 am - 8:50 am
DCA
-
LCY
19h 08m
2 stops
British Airways Logo
7:50 am - 10:00 pm
LCY
-
DCA
18h 10m
2 stops
$863British Airways
Thu, Mar 5 - Wed, Mar 11
Iberia Logo
1:35 pm - 8:50 am
DCA
-
LCY
14h 15m
2 stops
Iberia Logo
7:50 am - 6:54 pm
LCY
-
DCA
16h 04m
2 stops
$864Iberia
Fri, Feb 6 - Wed, Feb 11

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 9
DCA8:42 amWashington, D.C. Reagan-National
20h 08m
2 stops
LCY8:50 amLondon City
Mar 15
LCY7:15 pmLondon City
25h 22m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$778
British Airways
Apr 21
DCA8:20 amWashington, D.C. Reagan-National
19h 15m
2 stops
LCY8:35 amLondon City
Apr 27
LCY7:15 pmLondon City
26h 32m
2 stops
DCA4:47 pmWashington, D.C. Reagan-National
$799
British Airways
Mar 24
DCA1:44 pmWashington, D.C. Reagan-National
15h 06m
2 stops
LCY8:50 amLondon City
Apr 11
LCY12:05 pmLondon City
37h 14m
2 stops
DCA8:19 pmWashington, D.C. Reagan-National
$803

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
Feb 4
DCA5:30 pmWashington, D.C. Reagan-National
15h 35m
2 stops
LCY2:05 pmLondon City
Feb 11
LCY7:50 amLondon City
37h 47m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$808
Iberia
Mar 3
DCA1:54 pmWashington, D.C. Reagan-National
19h 11m
2 stops
LCY2:05 pmLondon City
Mar 11
LCY7:50 amLondon City
17h 11m
2 stops
DCA9:01 pmWashington, D.C. Reagan-National
$819
Iberia
Apr 17
DCA1:25 pmWashington, D.C. Reagan-National
14h 10m
2 stops
LCY8:35 amLondon City
Apr 29
LCY11:00 amLondon City
16h 17m
2 stops
DCA10:17 pmWashington, D.C. Reagan-National
$835

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 January 24, 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

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 2/5

12:55 pm-8:10 am

2 stops14h 15m

London City

Sun 2/8

8:05 pm-5:53 pm

2 stops26h 48m

$766

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 3/9

8:42 am-8:50 am

2 stops20h 08m

London City

Sun 3/15

7:15 pm-4:37 pm

2 stops25h 22m

$778

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 4/21

8:20 am-8:35 am

2 stops19h 15m

London City

Mon 4/27

7:15 pm-4:47 pm

2 stops26h 32m

$799

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/24

1:44 pm-8:50 am

2 stops15h 06m

London City

Sat 4/11

12:05 pm-8:19 pm

2 stops37h 14m

$803

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/4

5:30 pm-2:05 pm

2 stops15h 35m

London City

Wed 2/11

7:50 am-4:37 pm

2 stops37h 47m

$808

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/3

1:54 pm-2:05 pm

2 stops19h 11m

London City

Wed 3/11

7:50 am-9:01 pm

2 stops17h 11m

$819

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 4/17

1:25 pm-8:35 am

2 stops14h 10m

London City

Wed 4/29

11:00 am-10:17 pm

2 stops16h 17m

$835

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 4/21

1:25 pm-8:35 am

2 stops14h 10m

London City

Tue 4/28

7:15 pm-10:15 pm

2 stops32h 00m

$845

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 3/5

8:42 am-8:50 am

2 stops19h 08m

London City

Wed 3/11

7:50 am-10:00 pm

2 stops18h 10m

$863

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 2/6

1:35 pm-8:50 am

2 stops14h 15m

London City

Wed 2/11

7:50 am-6:54 pm

2 stops16h 04m

$864

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?

British Airways, Iberia, 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

13h 51m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 13h 51m
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 13h 51m.

  • 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
Luton
Milton Keynes
Dover
Slough
Guildford
Wembley
Crawley
Dartford
Hayes
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon
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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