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Cheap flights from Washington, D.C. Reagan-National Airport to London from £294

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 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:50 - 17:40
DCA
-
LCY
17h 50m2 stops
Multiple Airlines Logo
09:50 - 08:55
LCY
-
DCA
28h 05m2 stops
£483Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
Multiple Airlines Logo
18:50 - 17:35
DCA
-
LCY
17h 45m2 stops
Multiple Airlines Logo
09:50 - 08:55
LCY
-
DCA
28h 05m2 stops
£492Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
British Airways Logo
16:43 - 18:20
DCA
-
LCY
20h 37m2 stops
British Airways Logo
09:10 - 18:54
LCY
-
DCA
38h 44m2 stops
£573British Airways
Wed, 7 Jan - Mon, 19 Jan
British Airways Logo
13:44 - 18:20
DCA
-
LCY
23h 36m2 stops
British Airways Logo
18:55 - 21:30
LCY
-
DCA
31h 35m2 stops
£576British Airways
Tue, 6 Jan - Mon, 19 Jan
British Airways Logo
16:43 - 18:20
DCA
-
LCY
20h 37m2 stops
British Airways Logo
18:55 - 21:30
LCY
-
DCA
31h 35m2 stops
£613British Airways
Wed, 7 Jan - Sun, 11 Jan
Delta Logo
11:00 - 08:50
DCA
-
LCY
17h 50m2 stops
Delta Logo
08:25 - 20:27
LCY
-
DCA
17h 02m2 stops
£701Delta
Wed, 25 Mar - Sat, 4 Apr
Iberia Logo
13:30 - 08:50
DCA
-
LCY
14h 20m2 stops
Iberia Logo
07:50 - 18:57
LCY
-
DCA
16h 07m2 stops
£706Iberia
Fri, 20 Feb - Fri, 27 Feb
Iberia Logo
13:30 - 08:50
DCA
-
LCY
14h 20m2 stops
Iberia Logo
07:50 - 18:57
LCY
-
DCA
16h 07m2 stops
£733Iberia
Fri, 20 Feb - Fri, 6 Mar
Delta Logo
11:00 - 07:15
DCA
-
LCY
16h 15m2 stops
Delta Logo
08:25 - 20:27
LCY
-
DCA
17h 02m2 stops
£739Delta
Thu, 26 Mar - Sat, 4 Apr
Iberia Logo
13:30 - 08:50
DCA
-
LCY
14h 20m2 stops
Iberia Logo
19:15 - 16:52
LCY
-
DCA
26h 37m2 stops
£747Iberia
Thu, 12 Feb - Mon, 16 Feb

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
25 Mar
DCA11:00Washington, D.C. Reagan-National
17h 50m
2 stops
LCY08:50London City
4 Apr
LCY08:25London City
17h 02m
2 stops
DCA20:27Washington, D.C. Reagan-National
£701
Find similar
Delta
26 Mar
DCA11:00Washington, D.C. Reagan-National
16h 15m
2 stops
LCY07:15London City
4 Apr
LCY08:25London City
17h 02m
2 stops
DCA20:27Washington, D.C. Reagan-National
£739
Find similar
Delta
25 Mar
DCA13:40Washington, D.C. Reagan-National
15h 10m
2 stops
LCY08:50London City
6 Apr
LCY08:25London City
14h 24m
2 stops
DCA17:49Washington, D.C. Reagan-National
£787
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
20 Feb
DCA13:30Washington, D.C. Reagan-National
14h 20m
2 stops
LCY08:50London City
27 Feb
LCY07:50London City
16h 07m
2 stops
DCA18:57Washington, D.C. Reagan-National
£706
Find similar
Iberia
20 Feb
DCA13:30Washington, D.C. Reagan-National
14h 20m
2 stops
LCY08:50London City
6 Mar
LCY07:50London City
16h 07m
2 stops
DCA18:57Washington, D.C. Reagan-National
£733
Find similar
Iberia
29 Dec
DCA18:26Washington, D.C. Reagan-National
15h 09m
2 stops
LCY14:35London City
27 Jan
LCY19:15London City
28h 39m
2 stops
DCA18:54Washington, D.C. Reagan-National
£736
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 23 December 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 4/2

18:50-17:40

2 stops17h 50m

London City

Wed 11/2

09:50-08:55

2 stops28h 05m

£483

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 3/2

18:50-17:35

2 stops17h 45m

London City

Tue 10/2

09:50-08:55

2 stops28h 05m

£492

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 7/1

16:43-18:20

2 stops20h 37m

London City

Mon 19/1

09:10-18:54

2 stops38h 44m

£573

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 6/1

13:44-18:20

2 stops23h 36m

London City

Mon 19/1

18:55-21:30

2 stops31h 35m

£576

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 7/1

16:43-18:20

2 stops20h 37m

London City

Sun 11/1

18:55-21:30

2 stops31h 35m

£613

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 25/3

11:00-08:50

2 stops17h 50m

London City

Sat 4/4

08:25-20:27

2 stops17h 02m

£701

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 20/2

13:30-08:50

2 stops14h 20m

London City

Fri 27/2

07:50-18:57

2 stops16h 07m

£706

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 20/2

13:30-08:50

2 stops14h 20m

London City

Fri 6/3

07:50-18:57

2 stops16h 07m

£733

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 26/3

11:00-07:15

2 stops16h 15m

London City

Sat 4/4

08:25-20:27

2 stops17h 02m

£739

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 12/2

13:30-08:50

2 stops14h 20m

London City

Mon 16/2

19:15-16:52

2 stops26h 37m

£747

Flights are sorted by cheapest return 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 is the most popular carrier 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 return 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 51m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 15h 51m
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?

    There are 3671.8 mi between Washington, D.C. Reagan-National and London City. By plane, this route typically takes 15h 51m.

  • 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 are updated daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to London City Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to London City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Bedford
Colchester
Hounslow
Ramsgate
Romford

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

Finding the right flight to London from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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?

Price alerts on flights to London from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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