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Cheap flights from Washington, D.C. Reagan-National Airport to London from $480

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 7/20. 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

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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
1:30 pm - 9:30 am
DCA
-
LCY
15h 00m
2 stops
Delta Logo
8:25 am - 5:23 pm
LCY
-
DCA
13h 58m
2 stops
$894Delta
Tue, Sep 1 - Wed, Sep 9
Multiple Airlines Logo
11:00 am - 8:40 am
DCA
-
LCY
16h 40m
2 stops
Multiple Airlines Logo
9:15 am - 9:00 pm
LCY
-
DCA
16h 45m
2 stops
$939Multiple Airlines
Wed, Nov 4 - Mon, Nov 9
KLM Logo
12:55 pm - 7:55 am
DCA
-
LCY
14h 00m
2 stops
KLM Logo
8:25 am - 5:48 pm
LCY
-
DCA
14h 23m
2 stops
$944KLM
Wed, Sep 16 - Mon, Sep 28
KLM Logo
12:55 pm - 7:55 am
DCA
-
LCY
14h 00m
2 stops
KLM Logo
8:25 am - 5:48 pm
LCY
-
DCA
14h 23m
2 stops
$994KLM
Thu, Sep 17 - Mon, Sep 28
Iberia Logo
3:25 pm - 2:35 pm
DCA
-
LCY
18h 10m
2 stops
Iberia Logo
7:50 am - 6:51 pm
LCY
-
DCA
16h 01m
2 stops
$1,001Iberia
Sun, Nov 1 - Thu, Nov 5
Multiple Airlines Logo
6:00 am - 8:40 am
DCA
-
LCY
21h 40m
2 stops
Multiple Airlines Logo
5:00 pm - 8:41 pm
LCY
-
DCA
32h 41m
2 stops
$1,079Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
4:20 pm - 12:45 pm
DCA
-
LCY
15h 25m
2 stops
Multiple Airlines Logo
6:45 am - 3:38 pm
LCY
-
DCA
13h 53m
2 stops
$1,140Multiple Airlines
Mon, Jul 13 - Mon, Jul 20
KLM Logo
12:55 pm - 7:55 am
DCA
-
LCY
14h 00m
2 stops
KLM Logo
8:25 am - 5:48 pm
LCY
-
DCA
14h 23m
2 stops
$1,144KLM
Fri, Sep 18 - Mon, Sep 28
Delta Logo
11:10 am - 8:50 am
DCA
-
LCY
16h 40m
2 stops
Delta Logo
1:45 pm - 10:59 pm
LCY
-
DCA
14h 14m
2 stops
$1,145Delta
Thu, Sep 17 - Sun, Sep 27
Multiple Airlines Logo
6:00 am - 8:40 am
DCA
-
LCY
21h 40m
2 stops
Multiple Airlines Logo
9:15 am - 10:31 pm
LCY
-
DCA
18h 16m
3 stops
$1,159Multiple Airlines
Thu, Jul 16 - Thu, Jul 23

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
Nov 6
DCA10:04 amWashington, D.C. Reagan-National
19h 41m
2 stops
LCY10:45 amLondon City
Nov 10
LCY7:15 amLondon City
18h 43m
2 stops
DCA8:58 pmWashington, D.C. Reagan-National
$1,387
British Airways
Nov 6
DCA10:04 amWashington, D.C. Reagan-National
19h 41m
2 stops
LCY10:45 amLondon City
Nov 10
LCY7:15 amLondon City
18h 43m
2 stops
DCA8:58 pmWashington, D.C. Reagan-National
$1,388
British Airways
Jul 2
DCA12:59 pmWashington, D.C. Reagan-National
25h 56m
2 stops
LCY7:55 pmLondon City
Jul 8
LCY9:35 amLondon City
17h 44m
2 stops
DCA10:19 pmWashington, D.C. Reagan-National
$1,513

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 1
DCA1:30 pmWashington, D.C. Reagan-National
15h 00m
2 stops
LCY9:30 amLondon City
Sep 9
LCY8:25 amLondon City
13h 58m
2 stops
DCA5:23 pmWashington, D.C. Reagan-National
$894
Delta
Sep 17
DCA11:10 amWashington, D.C. Reagan-National
16h 40m
2 stops
LCY8:50 amLondon City
Sep 27
LCY1:45 pmLondon City
14h 14m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,145
Delta
Jul 10
DCA12:55 pmWashington, D.C. Reagan-National
13h 20m
2 stops
LCY7:15 amLondon City
Jul 22
LCY7:45 amLondon City
15h 04m
2 stops
DCA5:49 pmWashington, D.C. Reagan-National
$1,218

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 5, 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 9/1

1:30 pm-9:30 am

2 stops15h 00m

London City

Wed 9/9

8:25 am-5:23 pm

2 stops13h 58m

$894

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 11/4

11:00 am-8:40 am

2 stops16h 40m

London City

Mon 11/9

9:15 am-9:00 pm

2 stops16h 45m

$939
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 9/16

12:55 pm-7:55 am

2 stops14h 00m

London City

Mon 9/28

8:25 am-5:48 pm

2 stops14h 23m

$944

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 9/17

12:55 pm-7:55 am

2 stops14h 00m

London City

Mon 9/28

8:25 am-5:48 pm

2 stops14h 23m

$994

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 11/1

3:25 pm-2:35 pm

2 stops18h 10m

London City

Thu 11/5

7:50 am-6:51 pm

2 stops16h 01m

$1,001

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 7/16

6:00 am-8:40 am

2 stops21h 40m

London City

Thu 7/23

5:00 pm-8:41 pm

2 stops32h 41m

$1,079

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 7/13

4:20 pm-12:45 pm

2 stops15h 25m

London City

Mon 7/20

6:45 am-3:38 pm

2 stops13h 53m

$1,140

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 9/18

12:55 pm-7:55 am

2 stops14h 00m

London City

Mon 9/28

8:25 am-5:48 pm

2 stops14h 23m

$1,144

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 9/17

11:10 am-8:50 am

2 stops16h 40m

London City

Sun 9/27

1:45 pm-10:59 pm

2 stops14h 14m

$1,145

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 7/16

6:00 am-8:40 am

2 stops21h 40m

London City

Thu 7/23

9:15 am-10:31 pm

3 stops18h 16m

$1,159

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 SWISS 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 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 13h 20m
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 20m.

  • 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
Slough
Harrow
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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