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Cheap flights from Washington, D.C. Reagan-National Airport to London from $516

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 10/20. 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

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.
Virgin Atlantic Logo
12:05 pm - 8:50 am
DCA
-
LCY
15h 45m
2 stops
Virgin Atlantic Logo
9:20 am - 9:15 pm
LCY
-
DCA
16h 55m
2 stops
$894Virgin Atlantic
Mon, Sep 28 - Wed, Oct 7
Delta Logo
11:00 am - 8:50 am
DCA
-
LCY
16h 50m
2 stops
Delta Logo
10:00 am - 8:19 pm
LCY
-
DCA
15h 19m
2 stops
$896Delta
Tue, Sep 8 - Tue, Sep 22
Delta Logo
12:55 pm - 7:15 am
DCA
-
LCY
13h 20m
2 stops
Delta Logo
9:20 am - 8:19 pm
LCY
-
DCA
15h 59m
2 stops
$946Delta
Wed, Aug 26 - Mon, Aug 31
Delta Logo
8:29 am - 7:15 am
DCA
-
LCY
17h 46m
2 stops
Delta Logo
9:20 am - 8:59 pm
LCY
-
DCA
16h 39m
2 stops
$1,032Delta
Mon, Jul 20 - Wed, Jul 29
British Airways Logo
5:25 pm - 12:05 pm
DCA
-
LCY
13h 40m
2 stops
British Airways Logo
8:25 pm - 5:00 pm
LCY
-
DCA
25h 35m
2 stops
$1,078British Airways
Tue, May 19 - Mon, May 25
Delta Logo
7:40 pm - 9:30 am
DCA
-
LCY
32h 50m
2 stops
Delta Logo
9:20 am - 12:12 pm
LCY
-
DCA
31h 52m
2 stops
$1,108Delta
Sat, Jul 25 - Mon, Aug 3
Multiple Airlines Logo
6:50 pm - 5:40 pm
DCA
-
LCY
18h 50m
2 stops
Multiple Airlines Logo
9:50 am - 8:57 am
LCY
-
DCA
28h 07m
2 stops
$1,123Multiple Airlines
Mon, Oct 26 - Mon, Nov 2
Delta Logo
11:50 am - 7:15 am
DCA
-
LCY
14h 25m
2 stops
Delta Logo
9:20 am - 6:11 pm
LCY
-
DCA
13h 51m
2 stops
$1,142Delta
Fri, Aug 28 - Mon, Aug 31
Delta Logo
5:00 pm - 7:15 am
DCA
-
LCY
33h 15m
2 stops
Delta Logo
9:20 am - 12:12 pm
LCY
-
DCA
31h 52m
2 stops
$1,158Delta
Thu, Jul 30 - Mon, Aug 3
Delta Logo
6:00 am - 7:15 am
DCA
-
LCY
20h 15m
2 stops
Delta Logo
9:20 am - 12:12 pm
LCY
-
DCA
31h 52m
2 stops
$1,232Delta
Fri, Jul 31 - Mon, Aug 3

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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
Aug 26
DCA1:59 pmWashington, D.C. Reagan-National
18h 11m
2 stops
LCY1:10 pmLondon City
Aug 30
LCY4:20 pmLondon City
33h 39m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,509
Iberia
May 19
DCA1:25 pmWashington, D.C. Reagan-National
14h 35m
2 stops
LCY9:00 amLondon City
May 25
LCY7:15 pmLondon City
32h 58m
2 stops
DCA11:13 pmWashington, D.C. Reagan-National
$1,718
Iberia
Jun 15
DCA1:12 pmWashington, D.C. Reagan-National
14h 58m
2 stops
LCY9:10 amLondon City
Jun 22
LCY9:35 amLondon City
16h 55m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$1,799

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
Sep 8
DCA11:00 amWashington, D.C. Reagan-National
16h 50m
2 stops
LCY8:50 amLondon City
Sep 22
LCY10:00 amLondon City
15h 19m
2 stops
DCA8:19 pmWashington, D.C. Reagan-National
$896
Delta
Aug 26
DCA12:55 pmWashington, D.C. Reagan-National
13h 20m
2 stops
LCY7:15 amLondon City
Aug 31
LCY9:20 amLondon City
15h 59m
2 stops
DCA8:19 pmWashington, D.C. Reagan-National
$946
Delta
Jul 20
DCA8:29 amWashington, D.C. Reagan-National
17h 46m
2 stops
LCY7:15 amLondon City
Jul 29
LCY9:20 amLondon City
16h 39m
2 stops
DCA8:59 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 May 5, 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

Mon 9/28

12:05 pm-8:50 am

2 stops15h 45m

London City

Wed 10/7

9:20 am-9:15 pm

2 stops16h 55m

$894

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 9/8

11:00 am-8:50 am

2 stops16h 50m

London City

Tue 9/22

10:00 am-8:19 pm

2 stops15h 19m

$896

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 8/26

12:55 pm-7:15 am

2 stops13h 20m

London City

Mon 8/31

9:20 am-8:19 pm

2 stops15h 59m

$946

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 7/20

8:29 am-7:15 am

2 stops17h 46m

London City

Wed 7/29

9:20 am-8:59 pm

2 stops16h 39m

$1,032

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 5/19

5:25 pm-12:05 pm

2 stops13h 40m

London City

Mon 5/25

8:25 pm-5:00 pm

2 stops25h 35m

$1,078

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 7/25

7:40 pm-9:30 am

2 stops32h 50m

London City

Mon 8/3

9:20 am-12:12 pm

2 stops31h 52m

$1,108

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 10/26

6:50 pm-5:40 pm

2 stops18h 50m

London City

Mon 11/2

9:50 am-8:57 am

2 stops28h 07m

$1,123
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 8/28

11:50 am-7:15 am

2 stops14h 25m

London City

Mon 8/31

9:20 am-6:11 pm

2 stops13h 51m

$1,142

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 7/30

5:00 pm-7:15 am

2 stops33h 15m

London City

Mon 8/3

9:20 am-12:12 pm

2 stops31h 52m

$1,158

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 7/31

6:00 am-7:15 am

2 stops20h 15m

London City

Mon 8/3

9:20 am-12:12 pm

2 stops31h 52m

$1,232

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 airline that flies from Washington, D.C. Reagan-National to London City?

Iberia and Delta 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

13h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 13h 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

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 13h 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
Hounslow
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Milton Keynes
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Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Guildford

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.

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