Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to London from $512

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.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Iberia Logo
12:59 pm - 9:00 am
DCA
-
LCY
15h 01m
2 stops
Iberia Logo
9:10 am - 10:57 pm
LCY
-
DCA
17h 47m
2 stops
$951Iberia
Tue, Oct 6 - Tue, Oct 27
British Airways Logo
6:38 am - 9:10 am
DCA
-
LCY
21h 32m
2 stops
British Airways Logo
8:25 pm - 5:06 pm
LCY
-
DCA
25h 41m
2 stops
$1,015British Airways
Wed, Oct 7 - Mon, Oct 12
British Airways Logo
8:32 am - 9:00 am
DCA
-
LCY
19h 28m
2 stops
British Airways Logo
7:55 pm - 6:59 pm
LCY
-
DCA
28h 04m
2 stops
$1,032British Airways
Tue, Jul 21 - Tue, Aug 11
British Airways Logo
6:30 am - 9:00 am
DCA
-
LCY
21h 30m
2 stops
British Airways Logo
7:55 pm - 4:48 pm
LCY
-
DCA
25h 53m
2 stops
$1,034British Airways
Tue, Jul 28 - Tue, Aug 11
Delta Logo
8:29 am - 8:50 am
DCA
-
LCY
19h 21m
2 stops
Delta Logo
10:00 am - 11:26 pm
LCY
-
DCA
18h 26m
2 stops
$1,046Delta
Sun, Aug 2 - Wed, Aug 19
British Airways Logo
1:25 pm - 9:00 am
DCA
-
LCY
14h 35m
2 stops
British Airways Logo
7:15 pm - 4:45 pm
LCY
-
DCA
26h 30m
2 stops
$1,059British Airways
Fri, May 1 - Mon, May 11
Delta Logo
3:30 pm - 9:30 am
DCA
-
LCY
13h 00m
2 stops
Delta Logo
7:45 am - 5:23 pm
LCY
-
DCA
14h 38m
2 stops
$1,060Delta
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
6:59 am - 5:55 pm
DCA
-
LCY
29h 56m
2 stops
Multiple Airlines Logo
9:45 am - 8:53 am
LCY
-
DCA
28h 08m
2 stops
$1,063Multiple Airlines
Thu, Apr 30 - Mon, May 4
British Airways Logo
1:53 pm - 12:10 pm
DCA
-
LCY
17h 17m
2 stops
British Airways Logo
7:55 pm - 4:48 pm
LCY
-
DCA
25h 53m
2 stops
$1,072British Airways
Mon, Aug 10 - Mon, Aug 17
British Airways Logo
1:25 pm - 9:00 am
DCA
-
LCY
14h 35m
2 stops
British Airways Logo
7:00 pm - 4:40 pm
LCY
-
DCA
26h 40m
2 stops
$1,077British Airways
Fri, May 8 - Mon, May 11

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
Oct 6
DCA12:59 pmWashington, D.C. Reagan-National
15h 01m
2 stops
LCY9:00 amLondon City
Oct 27
LCY9:10 amLondon City
17h 47m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$951
Iberia
Aug 23
DCA3:00 pmWashington, D.C. Reagan-National
19h 15m
2 stops
LCY3:15 pmLondon City
Aug 27
LCY8:00 amLondon City
20h 17m
2 stops
DCA11:17 pmWashington, D.C. Reagan-National
$1,357
Iberia
Apr 27
DCA1:25 pmWashington, D.C. Reagan-National
20h 50m
2 stops
LCY3:15 pmLondon City
May 7
LCY9:35 amLondon City
18h 12m
2 stops
DCA10:47 pmWashington, D.C. Reagan-National
$2,805

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
Oct 7
DCA6:38 amWashington, D.C. Reagan-National
21h 32m
2 stops
LCY9:10 amLondon City
Oct 12
LCY8:25 pmLondon City
25h 41m
2 stops
DCA5:06 pmWashington, D.C. Reagan-National
$1,015
British Airways
Jul 28
DCA6:30 amWashington, D.C. Reagan-National
21h 30m
2 stops
LCY9:00 amLondon City
Aug 11
LCY7:55 pmLondon City
26h 11m
2 stops
DCA5:06 pmWashington, D.C. Reagan-National
$1,030
British Airways
Jul 21
DCA8:32 amWashington, D.C. Reagan-National
19h 28m
2 stops
LCY9:00 amLondon City
Aug 11
LCY7:55 pmLondon City
28h 04m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
$1,032

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 April 15, 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 10/6

12:59 pm-9:00 am

2 stops15h 01m

London City

Tue 10/27

9:10 am-10:57 pm

2 stops17h 47m

$951

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/7

6:38 am-9:10 am

2 stops21h 32m

London City

Mon 10/12

8:25 pm-5:06 pm

2 stops25h 41m

$1,015

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 7/21

8:32 am-9:00 am

2 stops19h 28m

London City

Tue 8/11

7:55 pm-6:59 pm

2 stops28h 04m

$1,032

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 7/28

6:30 am-9:00 am

2 stops21h 30m

London City

Tue 8/11

7:55 pm-4:48 pm

2 stops25h 53m

$1,034

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 8/2

8:29 am-8:50 am

2 stops19h 21m

London City

Wed 8/19

10:00 am-11:26 pm

2 stops18h 26m

$1,046

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 5/1

1:25 pm-9:00 am

2 stops14h 35m

London City

Mon 5/11

7:15 pm-4:45 pm

2 stops26h 30m

$1,059
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 8/11

3:30 pm-9:30 am

2 stops13h 00m

London City

Tue 8/18

7:45 am-5:23 pm

2 stops14h 38m

$1,060

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 4/30

6:59 am-5:55 pm

2 stops29h 56m

London City

Mon 5/4

9:45 am-8:53 am

2 stops28h 08m

$1,063

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 8/10

1:53 pm-12:10 pm

2 stops17h 17m

London City

Mon 8/17

7:55 pm-4:48 pm

2 stops25h 53m

$1,072

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 5/8

1:25 pm-9:00 am

2 stops14h 35m

London City

Mon 5/11

7:00 pm-4:40 pm

2 stops26h 40m

$1,077

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 British Airways 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

14h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 14h 10m
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 14h 10m.

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

An easier way to manage your London City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/15
Fri 5/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $515
Flights to London Gatwick Airportfrom $482
Flights to London Stansted Airportfrom $536
Flights to London Luton Airportfrom $563
Flights to Glasgow Intl Airportfrom $561
Flights to Belfast Intl Airportfrom $711
Flights to London Southend Airportfrom $662
Flights to Belfast City Airportfrom $711