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Cheap flights from Washington, D.C. Reagan-National Airport to London from $346

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 12/1. 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
1:20 pm - 7:55 am
DCA
-
LCY
13h 35m
2 stops
Delta Logo
8:25 am - 5:53 pm
LCY
-
DCA
14h 28m
2 stops
$893Delta
Wed, Oct 7 - Wed, Oct 14
Delta Logo
3:15 pm - 9:30 am
DCA
-
LCY
13h 15m
2 stops
Delta Logo
10:00 am - 10:00 pm
LCY
-
DCA
17h 00m
2 stops
$923Delta
Wed, Oct 7 - Tue, Oct 13
Delta Logo
5:05 pm - 1:15 pm
DCA
-
LCY
15h 10m
2 stops
Delta Logo
10:00 am - 10:00 pm
LCY
-
DCA
17h 00m
2 stops
$943Delta
Sat, Oct 3 - Thu, Oct 15
Multiple Airlines Logo
11:05 am - 8:40 am
DCA
-
LCY
16h 35m
2 stops
Multiple Airlines Logo
9:15 am - 7:58 pm
LCY
-
DCA
15h 43m
2 stops
$951Multiple Airlines
Mon, Jan 11 - Mon, Jan 18
Delta Logo
12:55 pm - 7:15 am
DCA
-
LCY
13h 20m
2 stops
Delta Logo
7:45 am - 6:45 pm
LCY
-
DCA
16h 00m
2 stops
$964Delta
Wed, Aug 12 - Wed, Aug 19
Delta Logo
12:55 pm - 7:55 am
DCA
-
LCY
14h 00m
2 stops
Delta Logo
8:25 am - 5:48 pm
LCY
-
DCA
14h 23m
2 stops
$973Delta
Tue, Sep 29 - Mon, Oct 5
Delta Logo
5:05 pm - 11:40 am
DCA
-
LCY
13h 35m
2 stops
Delta Logo
10:00 am - 10:03 pm
LCY
-
DCA
17h 03m
2 stops
$1,014Delta
Fri, Sep 11 - Fri, Sep 18
British Airways Logo
1:55 pm - 11:30 am
DCA
-
LCY
16h 35m
2 stops
British Airways Logo
9:35 am - 9:30 pm
LCY
-
DCA
16h 55m
2 stops
$1,036British Airways
Wed, Sep 2 - Tue, Sep 8
Delta Logo
12:55 pm - 7:15 am
DCA
-
LCY
13h 20m
2 stops
Delta Logo
7:45 am - 5:51 pm
LCY
-
DCA
15h 06m
2 stops
$1,057Delta
Mon, Aug 10 - Mon, Aug 17
Delta Logo
2:30 pm - 1:15 pm
DCA
-
LCY
17h 45m
2 stops
Delta Logo
10:00 am - 10:59 pm
LCY
-
DCA
17h 59m
2 stops
$1,064Delta
Sat, Sep 19 - Sat, Sep 26

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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
Oct 7
DCA1:20 pmWashington, D.C. Reagan-National
13h 35m
2 stops
LCY7:55 amLondon City
Oct 14
LCY8:25 amLondon City
14h 28m
2 stops
DCA5:53 pmWashington, D.C. Reagan-National
$893
Delta
Oct 3
DCA5:05 pmWashington, D.C. Reagan-National
15h 10m
2 stops
LCY1:15 pmLondon City
Oct 15
LCY10:00 amLondon City
17h 00m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$943
Delta
Aug 12
DCA12:55 pmWashington, D.C. Reagan-National
13h 20m
2 stops
LCY7:15 amLondon City
Aug 19
LCY7:45 amLondon City
16h 00m
2 stops
DCA6:45 pmWashington, D.C. Reagan-National
$964

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
Nov 17
DCA3:47 pmWashington, D.C. Reagan-National
17h 18m
2 stops
LCY2:05 pmLondon City
Nov 25
LCY7:50 amLondon City
17h 09m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,147
Iberia
Nov 24
DCA3:47 pmWashington, D.C. Reagan-National
17h 18m
2 stops
LCY2:05 pmLondon City
Dec 2
LCY7:50 amLondon City
17h 09m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,177
Iberia
Nov 23
DCA2:52 pmWashington, D.C. Reagan-National
18h 23m
2 stops
LCY2:15 pmLondon City
Dec 2
LCY7:50 amLondon City
17h 09m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,193

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 July 16, 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
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/7

1:20 pm-7:55 am

2 stops13h 35m

London City

Wed 10/14

8:25 am-5:53 pm

2 stops14h 28m

$893

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/7

3:15 pm-9:30 am

2 stops13h 15m

London City

Tue 10/13

10:00 am-10:00 pm

2 stops17h 00m

$923

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 10/3

5:05 pm-1:15 pm

2 stops15h 10m

London City

Thu 10/15

10:00 am-10:00 pm

2 stops17h 00m

$943

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 1/11

11:05 am-8:40 am

2 stops16h 35m

London City

Mon 1/18

9:15 am-7:58 pm

2 stops15h 43m

$951

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 8/12

12:55 pm-7:15 am

2 stops13h 20m

London City

Wed 8/19

7:45 am-6:45 pm

2 stops16h 00m

$964

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 9/29

12:55 pm-7:55 am

2 stops14h 00m

London City

Mon 10/5

8:25 am-5:48 pm

2 stops14h 23m

$973

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 9/11

5:05 pm-11:40 am

2 stops13h 35m

London City

Fri 9/18

10:00 am-10:03 pm

2 stops17h 03m

$1,014

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 9/2

1:55 pm-11:30 am

2 stops16h 35m

London City

Tue 9/8

9:35 am-9:30 pm

2 stops16h 55m

$1,036

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 8/10

12:55 pm-7:15 am

2 stops13h 20m

London City

Mon 8/17

7:45 am-5:51 pm

2 stops15h 06m

$1,057

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 9/19

2:30 pm-1:15 pm

2 stops17h 45m

London City

Sat 9/26

10:00 am-10:59 pm

2 stops17h 59m

$1,064

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?

United Airlines, Delta, and Iberia 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
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Slough
Harrow
Kingston upon Thames
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford

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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