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Cheap flights from Washington, D.C. Reagan-National Airport to London from $385

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 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. Reagan-National Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:00 am - 8:10 am
DCA
-
LCY
17h 10m
2 stops
Delta Logo
9:20 am - 10:08 pm
LCY
-
DCA
17h 48m
2 stops
$720Delta
Sun, Mar 22 - Mon, Mar 30
British Airways Logo
6:00 am - 8:35 am
DCA
-
LCY
21h 35m
2 stops
British Airways Logo
7:00 pm - 5:06 pm
LCY
-
DCA
27h 06m
2 stops
$779British Airways
Mon, May 11 - Mon, May 25
Iberia Logo
1:54 pm - 8:50 am
DCA
-
LCY
13h 56m
2 stops
Iberia Logo
7:15 pm - 10:35 pm
LCY
-
DCA
32h 20m
2 stops
$789Iberia
Wed, Feb 18 - Mon, Feb 23
British Airways Logo
1:41 pm - 2:05 pm
DCA
-
LCY
20h 24m
2 stops
British Airways Logo
3:45 pm - 6:33 pm
LCY
-
DCA
30h 48m
2 stops
$811British Airways
Wed, Mar 18 - Mon, Mar 23
British Airways Logo
8:42 am - 8:50 am
DCA
-
LCY
20h 08m
2 stops
British Airways Logo
8:20 pm - 6:33 pm
LCY
-
DCA
26h 13m
2 stops
$820British Airways
Sun, Mar 8 - Sun, Mar 15
British Airways Logo
2:16 pm - 1:50 pm
DCA
-
LCY
19h 34m
2 stops
British Airways Logo
7:10 pm - 6:33 pm
LCY
-
DCA
27h 23m
2 stops
$836British Airways
Wed, Mar 11 - Sun, Mar 15
British Airways Logo
4:34 pm - 2:50 pm
DCA
-
LCY
17h 16m
2 stops
British Airways Logo
7:55 pm - 8:02 pm
LCY
-
DCA
29h 07m
2 stops
$842British Airways
Wed, Apr 1 - Mon, Apr 6
British Airways Logo
4:34 pm - 2:50 pm
DCA
-
LCY
17h 16m
2 stops
British Airways Logo
7:55 pm - 8:02 pm
LCY
-
DCA
29h 07m
2 stops
$844British Airways
Wed, Apr 1 - Mon, Apr 6
British Airways Logo
8:42 am - 10:50 am
DCA
-
LCY
22h 08m
2 stops
British Airways Logo
8:20 pm - 6:33 pm
LCY
-
DCA
26h 13m
2 stops
$850British Airways
Sun, Mar 8 - Sun, Mar 15
Delta Logo
11:00 am - 8:10 am
DCA
-
LCY
17h 10m
2 stops
Delta Logo
10:00 am - 11:44 pm
LCY
-
DCA
18h 44m
2 stops
$863Delta
Wed, Mar 25 - Mon, Apr 6

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
May 11
DCA6:00 amWashington, D.C. Reagan-National
21h 35m
2 stops
LCY8:35 amLondon City
May 25
LCY7:00 pmLondon City
27h 06m
2 stops
DCA5:06 pmWashington, D.C. Reagan-National
$779
British Airways
Mar 18
DCA1:41 pmWashington, D.C. Reagan-National
20h 24m
2 stops
LCY2:05 pmLondon City
Mar 23
LCY3:45 pmLondon City
30h 48m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$811
British Airways
Mar 8
DCA8:42 amWashington, D.C. Reagan-National
20h 08m
2 stops
LCY8:50 amLondon City
Mar 15
LCY8:20 pmLondon City
26h 13m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$820

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 18
DCA1:54 pmWashington, D.C. Reagan-National
13h 56m
2 stops
LCY8:50 amLondon City
Feb 23
LCY7:15 pmLondon City
32h 20m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$789
Iberia
Feb 18
DCA5:00 pmWashington, D.C. Reagan-National
16h 05m
2 stops
LCY2:05 pmLondon City
Mar 6
LCY7:50 amLondon City
16h 03m
2 stops
DCA6:53 pmWashington, D.C. Reagan-National
$947
Iberia
Feb 12
DCA1:44 pmWashington, D.C. Reagan-National
19h 21m
2 stops
LCY2:05 pmLondon City
Feb 20
LCY7:50 amLondon City
37h 51m
2 stops
DCA4:41 pmWashington, D.C. Reagan-National
$1,136

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 February 7, 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

Sun 3/22

11:00 am-8:10 am

2 stops17h 10m

London City

Mon 3/30

9:20 am-10:08 pm

2 stops17h 48m

$720

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 5/11

6:00 am-8:35 am

2 stops21h 35m

London City

Mon 5/25

7:00 pm-5:06 pm

2 stops27h 06m

$779

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/18

1:54 pm-8:50 am

2 stops13h 56m

London City

Mon 2/23

7:15 pm-10:35 pm

2 stops32h 20m

$789

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/18

1:41 pm-2:05 pm

2 stops20h 24m

London City

Mon 3/23

3:45 pm-6:33 pm

2 stops30h 48m

$811

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 3/8

8:42 am-8:50 am

2 stops20h 08m

London City

Sun 3/15

8:20 pm-6:33 pm

2 stops26h 13m

$820

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/11

2:16 pm-1:50 pm

2 stops19h 34m

London City

Sun 3/15

7:10 pm-6:33 pm

2 stops27h 23m

$836

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/1

4:34 pm-2:50 pm

2 stops17h 16m

London City

Mon 4/6

7:55 pm-8:02 pm

2 stops29h 07m

$842

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 4/1

4:34 pm-2:50 pm

2 stops17h 16m

London City

Mon 4/6

7:55 pm-8:02 pm

2 stops29h 07m

$844

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 3/8

8:42 am-10:50 am

2 stops22h 08m

London City

Sun 3/15

8:20 pm-6:33 pm

2 stops26h 13m

$850

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

11:00 am-8:10 am

2 stops17h 10m

London City

Mon 4/6

10:00 am-11:44 pm

2 stops18h 44m

$863

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?

Iberia, 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

15h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 15h 15m
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 15h 15m.

  • 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
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
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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