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Cheap flights from Washington, D.C. Reagan-National Airport to London from $395

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 1/14. 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.
Multiple Airlines Logo
6:50 pm - 5:40 pm
DCA
-
LCY
17h 50m2 stops
Multiple Airlines Logo
9:50 am - 8:55 am
LCY
-
DCA
28h 05m2 stops
$649Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
6:50 pm - 5:35 pm
DCA
-
LCY
17h 45m2 stops
Multiple Airlines Logo
9:50 am - 8:55 am
LCY
-
DCA
28h 05m2 stops
$661Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
British Airways Logo
4:43 pm - 6:20 pm
DCA
-
LCY
20h 37m2 stops
British Airways Logo
9:10 am - 6:54 pm
LCY
-
DCA
38h 44m2 stops
$769British Airways
Wed, Jan 7 - Mon, Jan 19
British Airways Logo
1:44 pm - 6:20 pm
DCA
-
LCY
23h 36m2 stops
British Airways Logo
6:55 pm - 9:30 pm
LCY
-
DCA
31h 35m2 stops
$773British Airways
Tue, Jan 6 - Mon, Jan 19
British Airways Logo
1:44 pm - 6:20 pm
DCA
-
LCY
23h 36m2 stops
British Airways Logo
6:55 pm - 9:30 pm
LCY
-
DCA
31h 35m2 stops
$823British Airways
Wed, Jan 7 - Sun, Jan 11
Delta Logo
11:00 am - 8:50 am
DCA
-
LCY
17h 50m2 stops
Delta Logo
8:25 am - 8:27 pm
LCY
-
DCA
17h 02m2 stops
$942Delta
Wed, Mar 25 - Sat, Apr 4
Iberia Logo
1:30 pm - 8:50 am
DCA
-
LCY
14h 20m2 stops
Iberia Logo
7:50 am - 6:57 pm
LCY
-
DCA
16h 07m2 stops
$948Iberia
Fri, Feb 20 - Fri, Feb 27
Iberia Logo
1:30 pm - 8:50 am
DCA
-
LCY
14h 20m2 stops
Iberia Logo
7:50 am - 6:57 pm
LCY
-
DCA
16h 07m2 stops
$984Iberia
Fri, Feb 20 - Fri, Mar 6
Delta Logo
11:00 am - 7:15 am
DCA
-
LCY
16h 15m2 stops
Delta Logo
8:25 am - 8:27 pm
LCY
-
DCA
17h 02m2 stops
$992Delta
Thu, Mar 26 - Sat, Apr 4
Iberia Logo
1:30 pm - 8:50 am
DCA
-
LCY
14h 20m2 stops
Iberia Logo
7:15 pm - 4:52 pm
LCY
-
DCA
26h 37m2 stops
$1,003Iberia
Thu, Feb 12 - Mon, Feb 16

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
Mar 25
DCA11:00 amWashington, D.C. Reagan-National
17h 50m
2 stops
LCY8:50 amLondon City
Apr 4
LCY8:25 amLondon City
17h 02m
2 stops
DCA8:27 pmWashington, D.C. Reagan-National
$942
Find similar
Delta
Mar 26
DCA11:00 amWashington, D.C. Reagan-National
16h 15m
2 stops
LCY7:15 amLondon City
Apr 4
LCY8:25 amLondon City
17h 02m
2 stops
DCA8:27 pmWashington, D.C. Reagan-National
$992
Find similar
Delta
Mar 25
DCA1:40 pmWashington, D.C. Reagan-National
15h 10m
2 stops
LCY8:50 amLondon City
Apr 6
LCY8:25 amLondon City
14h 24m
2 stops
DCA5:49 pmWashington, D.C. Reagan-National
$1,057
Find similar

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 20
DCA1:30 pmWashington, D.C. Reagan-National
14h 20m
2 stops
LCY8:50 amLondon City
Feb 27
LCY7:50 amLondon City
16h 07m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$948
Find similar
Iberia
Feb 20
DCA1:30 pmWashington, D.C. Reagan-National
14h 20m
2 stops
LCY8:50 amLondon City
Mar 6
LCY7:50 amLondon City
16h 07m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$984
Find similar
Iberia
Feb 12
DCA1:30 pmWashington, D.C. Reagan-National
14h 20m
2 stops
LCY8:50 amLondon City
Feb 16
LCY7:15 pmLondon City
26h 37m
2 stops
DCA4:52 pmWashington, D.C. Reagan-National
$1,003
Find similar

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 December 23, 2025.
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

Wed 2/4

6:50 pm-5:40 pm

2 stops17h 50m

London City

Wed 2/11

9:50 am-8:55 am

2 stops28h 05m

$649

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 2/3

6:50 pm-5:35 pm

2 stops17h 45m

London City

Tue 2/10

9:50 am-8:55 am

2 stops28h 05m

$661

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 1/7

4:43 pm-6:20 pm

2 stops20h 37m

London City

Mon 1/19

9:10 am-6:54 pm

2 stops38h 44m

$769

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 1/6

1:44 pm-6:20 pm

2 stops23h 36m

London City

Mon 1/19

6:55 pm-9:30 pm

2 stops31h 35m

$773

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 1/7

1:44 pm-6:20 pm

2 stops23h 36m

London City

Sun 1/11

6:55 pm-9:30 pm

2 stops31h 35m

$823

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/25

11:00 am-8:50 am

2 stops17h 50m

London City

Sat 4/4

8:25 am-8:27 pm

2 stops17h 02m

$942

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 2/20

1:30 pm-8:50 am

2 stops14h 20m

London City

Fri 2/27

7:50 am-6:57 pm

2 stops16h 07m

$948

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 2/20

1:30 pm-8:50 am

2 stops14h 20m

London City

Fri 3/6

7:50 am-6:57 pm

2 stops16h 07m

$984

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 3/26

11:00 am-7:15 am

2 stops16h 15m

London City

Sat 4/4

8:25 am-8:27 pm

2 stops17h 02m

$992

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 2/12

1:30 pm-8:50 am

2 stops14h 20m

London City

Mon 2/16

7:15 pm-4:52 pm

2 stops26h 37m

$1,003

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 day to depart on your flight to London City Airport?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to London City Airport is on a Sunday. Travelers who choose to depart for London City Airport on a Sunday will often find tickets for as low as $680. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London City Airport on Friday is $910.

What is the cheapest time of day to depart on your flight to London City Airport?

Our most recent data shows that the best time of day to fly to London City Airport is in the evening. Flights from Washington, D.C. Reagan-National Airport to London City Airport during this time can be as low as $736. Flights in the afternoon are often more expensive with an average ticket price of $875.

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 20m

Direct flights

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

  • 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 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
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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.
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