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Cheap flights from Washington, D.C. Reagan-National Airport to London from $410

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.
Delta Logo
11:10 am - 8:50 amDCA-LCY
16h 40m2 stops
Delta Logo
1:45 pm - 1:53 pmLCY-DCA
29h 08m2 stops
$659Delta
Find Deal
Wed, Jan 28 - Sun, Feb 1
Delta Logo
11:10 am - 8:10 amDCA-LCY
16h 00m2 stops
Delta Logo
1:45 pm - 6:29 pmLCY-DCA
33h 44m2 stops
$660Delta
Find Deal
Wed, Jan 28 - Sun, Feb 1
British Airways Logo
1:41 pm - 1:50 pmDCA-LCY
19h 09m2 stops
British Airways Logo
8:40 am - 8:58 pmLCY-DCA
17h 18m2 stops
$748British Airways
Find Deal
Tue, Dec 9 - Tue, Dec 16
Iberia Logo
5:45 pm - 8:50 amDCA-LCY
34h 05m2 stops
Iberia Logo
7:50 am - 6:56 pmLCY-DCA
16h 06m2 stops
$780Iberia
Find Deal
Wed, Jan 7 - Fri, Jan 16
British Airways Logo
4:59 pm - 1:50 pmDCA-LCY
15h 51m2 stops
British Airways Logo
8:40 am - 8:59 pmLCY-DCA
17h 19m2 stops
$895British Airways
Find Deal
Thu, Jan 1 - Sat, Jan 10
British Airways Logo
4:59 pm - 1:50 pmDCA-LCY
15h 51m2 stops
British Airways Logo
6:55 pm - 9:30 pmLCY-DCA
31h 35m2 stops
$907British Airways
Find Deal
Sun, Dec 28 - Tue, Jan 6
British Airways Logo
4:49 pm - 4:25 pmDCA-LCY
18h 36m2 stops
British Airways Logo
7:15 am - 4:35 pmLCY-DCA
38h 20m2 stops
$943British Airways
Find Deal
Wed, Dec 17 - Wed, Dec 24
British Airways Logo
4:59 pm - 1:50 pmDCA-LCY
15h 51m2 stops
British Airways Logo
8:40 am - 9:30 pmLCY-DCA
17h 50m2 stops
$965British Airways
Find Deal
Thu, Jan 1 - Wed, Jan 7
British Airways Logo
1:44 pm - 6:20 pmDCA-LCY
23h 36m2 stops
British Airways Logo
8:40 am - 9:30 pmLCY-DCA
17h 50m2 stops
$967British Airways
Find Deal
Thu, Dec 25 - Wed, Jan 7
Multiple Airlines Logo
1:30 pm - 8:50 amDCA-LCY
14h 20m2 stops
Multiple Airlines Logo
9:15 am - 9:58 pmLCY-DCA
17h 43m2 stops
$984Multiple Airlines
Find Deal
Thu, Feb 19 - Tue, Feb 24

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
Jan 28
DCA6:00 amWashington, D.C. Reagan-National
21h 10m
2 stops
LCY8:10 amLondon City
Feb 1
LCY1:45 pmLondon City
24h 54m
2 stops
DCA9:39 amWashington, D.C. Reagan-National
$659
Find similar
Delta
Jan 28
DCA11:10 amWashington, D.C. Reagan-National
16h 00m
2 stops
LCY8:10 amLondon City
Feb 1
LCY1:45 pmLondon City
33h 44m
2 stops
DCA6:29 pmWashington, D.C. Reagan-National
$660
Find similar
Delta
Dec 23
DCA7:00 amWashington, D.C. Reagan-National
28h 35m
2 stops
LCY4:35 pmLondon City
Jan 6
LCY9:20 amLondon City
18h 28m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
$1,203
Find similar

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
Dec 9
DCA1:41 pmWashington, D.C. Reagan-National
19h 09m
2 stops
LCY1:50 pmLondon City
Dec 16
LCY8:40 amLondon City
17h 18m
2 stops
DCA8:58 pmWashington, D.C. Reagan-National
$748
Find similar
British Airways
Dec 10
DCA6:10 amWashington, D.C. Reagan-National
26h 55m
2 stops
LCY2:05 pmLondon City
Dec 15
LCY5:05 pmLondon City
32h 53m
2 stops
DCA8:58 pmWashington, D.C. Reagan-National
$806
Find similar
British Airways
Jan 1
DCA4:59 pmWashington, D.C. Reagan-National
15h 51m
2 stops
LCY1:50 pmLondon City
Jan 10
LCY8:40 amLondon City
17h 19m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$895
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 24, 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 1/28

11:10 am-8:50 am

2 stops16h 40m

London City

Sun 2/1

1:45 pm-1:53 pm

2 stops29h 08m

$659

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 1/28

11:10 am-8:10 am

2 stops16h 00m

London City

Sun 2/1

1:45 pm-6:29 pm

2 stops33h 44m

$660

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 12/9

1:41 pm-1:50 pm

2 stops19h 09m

London City

Tue 12/16

8:40 am-8:58 pm

2 stops17h 18m

$748

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 1/7

5:45 pm-8:50 am

2 stops34h 05m

London City

Fri 1/16

7:50 am-6:56 pm

2 stops16h 06m

$780

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 1/1

4:59 pm-1:50 pm

2 stops15h 51m

London City

Sat 1/10

8:40 am-8:59 pm

2 stops17h 19m

$895

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 12/28

4:59 pm-1:50 pm

2 stops15h 51m

London City

Tue 1/6

6:55 pm-9:30 pm

2 stops31h 35m

$907

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 12/17

4:49 pm-4:25 pm

2 stops18h 36m

London City

Wed 12/24

7:15 am-4:35 pm

2 stops38h 20m

$943

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 1/1

4:59 pm-1:50 pm

2 stops15h 51m

London City

Wed 1/7

8:40 am-9:30 pm

2 stops17h 50m

$965

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 12/25

1:44 pm-6:20 pm

2 stops23h 36m

London City

Wed 1/7

8:40 am-9:30 pm

2 stops17h 50m

$967

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 2/19

1:30 pm-8:50 am

2 stops14h 20m

London City

Tue 2/24

9:15 am-9:58 pm

2 stops17h 43m

$984

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 14h 06m.

  • 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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