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Cheap flights from Washington, D.C. Reagan-National Airport to London from $397

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 12/8. 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.
Iberia Logo
1:35 pm - 8:50 amDCA-LCY
14h 15m2 stops
Iberia Logo
7:50 am - 6:54 pmLCY-DCA
16h 04m2 stops
$638Iberia
Find Deal
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
2:00 pm - 12:55 pmDCA-LCY
17h 55m2 stops
Multiple Airlines Logo
5:40 pm - 5:25 pmLCY-DCA
28h 45m2 stops
$650Multiple Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
Multiple Airlines Logo
3:15 pm - 5:05 pmDCA-LCY
20h 50m2 stops
Multiple Airlines Logo
7:20 pm - 7:13 pmLCY-DCA
28h 53m2 stops
$657Multiple Airlines
Find Deal
Mon, Jan 12 - Sun, Feb 8
Multiple Airlines Logo
2:00 pm - 12:55 pmDCA-LCY
17h 55m2 stops
Multiple Airlines Logo
5:50 pm - 7:13 pmLCY-DCA
30h 23m2 stops
$658Multiple Airlines
Find Deal
Wed, Jan 14 - Mon, Jan 19
Multiple Airlines Logo
10:30 am - 9:05 amDCA-LCY
17h 35m2 stops
Multiple Airlines Logo
5:40 pm - 5:33 pmLCY-DCA
28h 53m2 stops
$669Multiple Airlines
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Wed, Feb 25 - Tue, Mar 3
Multiple Airlines Logo
3:30 pm - 12:55 pmDCA-LCY
17h 25m2 stops
Multiple Airlines Logo
7:20 pm - 5:23 pmLCY-DCA
27h 03m2 stops
$674Multiple Airlines
Find Deal
Mon, Mar 23 - Tue, Apr 7
British Airways Logo
4:47 pm - 1:50 pmDCA-LCY
16h 03m2 stops
British Airways Logo
6:55 pm - 8:58 pmLCY-DCA
31h 03m2 stops
$779British Airways
Find Deal
Wed, Nov 26 - Mon, Dec 1
Iberia Logo
5:32 pm - 2:05 pmDCA-LCY
15h 33m2 stops
Iberia Logo
7:15 pm - 7:13 pmLCY-DCA
27h 58m2 stops
$852Iberia
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Wed, Feb 25 - Mon, Mar 9
Delta Logo
1:30 pm - 8:10 amDCA-LCY
13h 40m2 stops
Delta Logo
8:40 am - 5:23 pmLCY-DCA
13h 43m2 stops
$970Delta
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Mon, Apr 27 - Fri, May 1
Delta Logo
6:05 am - 8:10 amDCA-LCY
21h 05m2 stops
Delta Logo
8:40 am - 7:09 pmLCY-DCA
15h 29m2 stops
$971Delta
Find Deal
Mon, Apr 27 - Fri, May 1

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
Jan 22
DCA1:35 pmWashington, D.C. Reagan-National
14h 15m
2 stops
LCY8:50 amLondon City
Jan 28
LCY7:50 amLondon City
16h 04m
2 stops
DCA6:54 pmWashington, D.C. Reagan-National
$638
Find similar
Iberia
Feb 25
DCA5:32 pmWashington, D.C. Reagan-National
15h 33m
2 stops
LCY2:05 pmLondon City
Mar 9
LCY7:15 pmLondon City
27h 58m
2 stops
DCA7:13 pmWashington, D.C. Reagan-National
$852
Find similar
Iberia
Feb 20
DCA1:30 pmWashington, D.C. Reagan-National
14h 20m
2 stops
LCY8:50 amLondon City
Feb 26
LCY7:50 amLondon City
19h 45m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$866
Find similar

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
Apr 27
DCA1:30 pmWashington, D.C. Reagan-National
13h 40m
2 stops
LCY8:10 amLondon City
May 1
LCY8:40 amLondon City
13h 43m
2 stops
DCA5:23 pmWashington, D.C. Reagan-National
$970
Find similar
Delta
Apr 27
DCA6:05 amWashington, D.C. Reagan-National
21h 05m
2 stops
LCY8:10 amLondon City
May 1
LCY8:40 amLondon City
15h 29m
2 stops
DCA7:09 pmWashington, D.C. Reagan-National
$971
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 November 10, 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

Thu 1/22

1:35 pm-8:50 am

2 stops14h 15m

London City

Wed 1/28

7:50 am-6:54 pm

2 stops16h 04m

$638

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 12/2

2:00 pm-12:55 pm

2 stops17h 55m

London City

Wed 12/10

5:40 pm-5:25 pm

2 stops28h 45m

$650

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 1/12

3:15 pm-5:05 pm

2 stops20h 50m

London City

Sun 2/8

7:20 pm-7:13 pm

2 stops28h 53m

$657

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 1/14

2:00 pm-12:55 pm

2 stops17h 55m

London City

Mon 1/19

5:50 pm-7:13 pm

2 stops30h 23m

$658

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/25

10:30 am-9:05 am

2 stops17h 35m

London City

Tue 3/3

5:40 pm-5:33 pm

2 stops28h 53m

$669

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 3/23

3:30 pm-12:55 pm

2 stops17h 25m

London City

Tue 4/7

7:20 pm-5:23 pm

2 stops27h 03m

$674

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 11/26

4:47 pm-1:50 pm

2 stops16h 03m

London City

Mon 12/1

6:55 pm-8:58 pm

2 stops31h 03m

$779

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/25

5:32 pm-2:05 pm

2 stops15h 33m

London City

Mon 3/9

7:15 pm-7:13 pm

2 stops27h 58m

$852

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 4/27

1:30 pm-8:10 am

2 stops13h 40m

London City

Fri 5/1

8:40 am-5:23 pm

2 stops13h 43m

$970

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 4/27

6:05 am-8:10 am

2 stops21h 05m

London City

Fri 5/1

8:40 am-7:09 pm

2 stops15h 29m

$971

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

Direct flights

None
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.
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  • 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 40m.

  • 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
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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

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