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Cheap flights from Washington, D.C. Reagan-National Airport to London from $396

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
3:15 pm - 9:30 am
DCA
-
LCY
13h 15m
2 stops
Delta Logo
8:25 am - 7:50 pm
LCY
-
DCA
16h 25m
2 stops
$893Delta
Tue, Sep 22 - Wed, Sep 30
Delta Logo
12:23 pm - 7:15 am
DCA
-
LCY
13h 52m
2 stops
Delta Logo
7:45 am - 5:51 pm
LCY
-
DCA
15h 06m
2 stops
$943Delta
Thu, Aug 20 - Thu, Aug 27
Delta Logo
11:00 am - 8:50 am
DCA
-
LCY
16h 50m
2 stops
Delta Logo
9:20 am - 10:59 pm
LCY
-
DCA
18h 39m
2 stops
$1,078Delta
Wed, Jul 15 - Tue, Jul 21
Delta Logo
12:55 pm - 7:15 am
DCA
-
LCY
13h 20m
2 stops
Delta Logo
7:45 am - 6:59 pm
LCY
-
DCA
16h 14m
2 stops
$1,098Delta
Wed, Jul 22 - Mon, Jul 27
Multiple Airlines Logo
9:40 am - 8:40 am
DCA
-
LCY
18h 00m
2 stops
Multiple Airlines Logo
9:15 am - 10:31 pm
LCY
-
DCA
18h 16m
2 stops
$1,161Multiple Airlines
Thu, Jul 9 - Tue, Jul 14
Delta Logo
12:59 pm - 9:30 am
DCA
-
LCY
15h 31m
2 stops
Delta Logo
9:20 am - 10:03 pm
LCY
-
DCA
17h 43m
2 stops
$1,213Delta
Fri, Jul 3 - Fri, Jul 10
Iberia Logo
5:00 pm - 3:15 pm
DCA
-
LCY
17h 15m
2 stops
Iberia Logo
9:35 am - 9:15 pm
LCY
-
DCA
16h 40m
2 stops
$1,271Iberia
Thu, Jul 30 - Tue, Aug 4
British Airways Logo
2:00 pm - 2:05 pm
DCA
-
LCY
19h 05m
2 stops
British Airways Logo
7:15 pm - 6:51 pm
LCY
-
DCA
28h 36m
2 stops
$1,296British Airways
Wed, Nov 18 - Sun, Nov 22
British Airways Logo
5:45 pm - 2:05 pm
DCA
-
LCY
15h 20m
2 stops
British Airways Logo
12:35 pm - 8:58 pm
LCY
-
DCA
37h 23m
2 stops
$1,304British Airways
Wed, Nov 18 - Sun, Nov 22
Iberia Logo
2:00 pm - 8:50 am
DCA
-
LCY
13h 50m
2 stops
Iberia Logo
9:10 am - 6:51 pm
LCY
-
DCA
38h 41m
2 stops
$1,305Iberia
Fri, Nov 13 - Tue, Nov 17

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to London City Airport flight tickets
Delta
Sep 22
DCA3:15 pmWashington, D.C. Reagan-National
13h 15m
2 stops
LCY9:30 amLondon City
Sep 30
LCY8:25 amLondon City
16h 25m
2 stops
DCA7:50 pmWashington, D.C. Reagan-National
$893
Delta
Aug 20
DCA12:23 pmWashington, D.C. Reagan-National
13h 52m
2 stops
LCY7:15 amLondon City
Aug 27
LCY7:45 amLondon City
15h 06m
2 stops
DCA5:51 pmWashington, D.C. Reagan-National
$943
Delta
Jul 15
DCA11:00 amWashington, D.C. Reagan-National
16h 50m
2 stops
LCY8:50 amLondon City
Jul 21
LCY9:20 amLondon City
18h 39m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,078

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
Jul 30
DCA5:00 pmWashington, D.C. Reagan-National
17h 15m
2 stops
LCY3:15 pmLondon City
Aug 4
LCY9:35 amLondon City
16h 40m
2 stops
DCA9:15 pmWashington, D.C. Reagan-National
$1,271
Iberia
Nov 13
DCA2:00 pmWashington, D.C. Reagan-National
13h 50m
2 stops
LCY8:50 amLondon City
Nov 17
LCY9:10 amLondon City
38h 41m
2 stops
DCA6:51 pmWashington, D.C. Reagan-National
$1,305

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 June 12, 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

Tue 9/22

3:15 pm-9:30 am

2 stops13h 15m

London City

Wed 9/30

8:25 am-7:50 pm

2 stops16h 25m

$893
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 8/20

12:23 pm-7:15 am

2 stops13h 52m

London City

Thu 8/27

7:45 am-5:51 pm

2 stops15h 06m

$943

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 7/15

11:00 am-8:50 am

2 stops16h 50m

London City

Tue 7/21

9:20 am-10:59 pm

2 stops18h 39m

$1,078

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 7/22

12:55 pm-7:15 am

2 stops13h 20m

London City

Mon 7/27

7:45 am-6:59 pm

2 stops16h 14m

$1,098

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 7/9

9:40 am-8:40 am

2 stops18h 00m

London City

Tue 7/14

9:15 am-10:31 pm

2 stops18h 16m

$1,161

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 7/3

12:59 pm-9:30 am

2 stops15h 31m

London City

Fri 7/10

9:20 am-10:03 pm

2 stops17h 43m

$1,213

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 7/30

5:00 pm-3:15 pm

2 stops17h 15m

London City

Tue 8/4

9:35 am-9:15 pm

2 stops16h 40m

$1,271

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 11/18

2:00 pm-2:05 pm

2 stops19h 05m

London City

Sun 11/22

7:15 pm-6:51 pm

2 stops28h 36m

$1,296

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 11/18

5:45 pm-2:05 pm

2 stops15h 20m

London City

Sun 11/22

12:35 pm-8:58 pm

2 stops37h 23m

$1,304

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 11/13

2:00 pm-8:50 am

2 stops13h 50m

London City

Tue 11/17

9:10 am-6:51 pm

2 stops38h 41m

$1,305

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 is the most popular carrier 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 52m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 13h 52m
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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to London City Airport

  • 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 52m.

  • 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
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

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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