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Cheap flights from Washington, D.C. Reagan-National Airport to London from $345

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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Multiple Airlines Logo
11:05 am - 8:40 amDCA  Washington, D.C. Reagan-National-LCY London City
16h 35m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
Multiple Airlines Logo
9:15 am - 9:59 pmLCY  London City-DCA Washington, D.C. Reagan-National
17h 44m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$871Multiple Airlines
Tue, Jan 12 - Tue, Jan 26
Delta Logo
3:05 pm - 9:30 amDCA  Washington, D.C. Reagan-National-LCY London City
13h 25m2 stops Boston Logan Intl Amsterdam Schiphol
Delta Logo
10:00 am - 10:03 pmLCY  London City-DCA Washington, D.C. Reagan-National
17h 03m2 stops Amsterdam Schiphol Boston Logan Intl
$895Delta
Mon, Sep 21 - Tue, Sep 29
Delta Logo
5:05 pm - 7:55 amDCA  Washington, D.C. Reagan-National-LCY London City
33h 50m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
9:20 am - 8:43 pmLCY  London City-DCA Washington, D.C. Reagan-National
16h 23m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$896Delta
Sat, Oct 3 - Wed, Oct 14
Delta Logo
12:55 pm - 7:55 amDCA  Washington, D.C. Reagan-National-LCY London City
14h 00m2 stops Boston Logan Intl Amsterdam Schiphol
Delta Logo
8:25 am - 5:48 pmLCY  London City-DCA Washington, D.C. Reagan-National
14h 23m2 stops Amsterdam Schiphol Boston Logan Intl
$945Delta
Wed, Sep 30 - Mon, Oct 5
Delta Logo
11:10 am - 7:55 amDCA  Washington, D.C. Reagan-National-LCY London City
15h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
9:20 am - 8:39 pmLCY  London City-DCA Washington, D.C. Reagan-National
16h 19m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$945Delta
Fri, Oct 2 - Wed, Oct 7
Delta Logo
11:10 am - 7:55 amDCA  Washington, D.C. Reagan-National-LCY London City
15h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
10:00 am - 8:39 pmLCY  London City-DCA Washington, D.C. Reagan-National
15h 39m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$945Delta
Thu, Oct 1 - Tue, Oct 6
Delta Logo
11:10 am - 7:55 amDCA  Washington, D.C. Reagan-National-LCY London City
15h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
9:20 am - 10:04 pmLCY  London City-DCA Washington, D.C. Reagan-National
17h 44m2 stops Amsterdam Schiphol Minneapolis St Paul
$945Delta
Fri, Oct 2 - Wed, Oct 7
Delta Logo
7:25 pm - 4:40 pmDCA  Washington, D.C. Reagan-National-LCY London City
16h 15m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
10:00 am - 8:39 pmLCY  London City-DCA Washington, D.C. Reagan-National
15h 39m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$945Delta
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
11:05 am - 8:40 amDCA  Washington, D.C. Reagan-National-LCY London City
16h 35m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
Multiple Airlines Logo
9:15 am - 7:58 pmLCY  London City-DCA Washington, D.C. Reagan-National
15h 43m2 stops Zurich Toronto Pearson Intl
$952Multiple Airlines
Mon, Jan 11 - Mon, Jan 18
Iberia Logo
2:54 pm - 9:10 pmDCA  Washington, D.C. Reagan-National-LCY London City
25h 16m2 stops Chicago O'Hare Intl Barcelona-El Prat
Iberia Logo
8:10 am - 11:10 pmLCY  London City-DCA Washington, D.C. Reagan-National
20h 00m2 stops Barcelona-El Prat New York John F Kennedy Intl
$955Iberia
Thu, Sep 24 - Tue, Sep 29

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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 21
DCA3:05 pmWashington, D.C. Reagan-National
13h 25m
2 stops
LCY9:30 amLondon City
Sep 29
LCY10:00 amLondon City
17h 03m
2 stops
DCA10:03 pmWashington, D.C. Reagan-National
$895
Delta
Oct 3
DCA5:05 pmWashington, D.C. Reagan-National
33h 50m
2 stops
LCY7:55 amLondon City
Oct 14
LCY9:20 amLondon City
16h 23m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$896
Delta
Oct 2
DCA11:10 amWashington, D.C. Reagan-National
15h 45m
2 stops
LCY7:55 amLondon City
Oct 7
LCY9:20 amLondon City
16h 19m
2 stops
DCA8:39 pmWashington, D.C. Reagan-National
$945

KLM flights from Washington, D.C. Reagan-National Airport to London City Airport

Our best KLM deals on Washington, D.C. Reagan-National Airport to London City Airport flight tickets
KLM
Oct 2
DCA5:00 pmWashington, D.C. Reagan-National
13h 40m
2 stops
LCY11:40 amLondon City
Oct 6
LCY10:00 amLondon City
15h 39m
2 stops
DCA8:39 pmWashington, D.C. Reagan-National
$1,170
KLM
Oct 2
DCA5:05 pmWashington, D.C. Reagan-National
13h 35m
2 stops
LCY11:40 amLondon City
Oct 6
LCY10:00 amLondon City
15h 39m
2 stops
DCA8:39 pmWashington, D.C. Reagan-National
$1,245
KLM
Oct 3
DCA5:05 pmWashington, D.C. Reagan-National
15h 10m
2 stops
LCY1:15 pmLondon City
Oct 7
LCY10:00 amLondon City
15h 39m
2 stops
DCA8:39 pmWashington, D.C. Reagan-National
$1,274

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 August 15, 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 Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Tue 1/12

11:05 am-8:40 am

2 stops16h 35m

London City

Tue 1/26

9:15 am-9:59 pm

2 stops17h 44m

$871

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Mon 9/21

3:05 pm-9:30 am

2 stops13h 25m

London City

Tue 9/29

10:00 am-10:03 pm

2 stops17h 03m

$895

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Sat 10/3

5:05 pm-7:55 am

2 stops33h 50m

London City

Wed 10/14

9:20 am-8:43 pm

2 stops16h 23m

$896
Quickest round-trip

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Wed 9/30

12:55 pm-7:55 am

2 stops14h 00m

London City

Mon 10/5

8:25 am-5:48 pm

2 stops14h 23m

$945

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Fri 10/2

11:10 am-7:55 am

2 stops15h 45m

London City

Wed 10/7

9:20 am-8:39 pm

2 stops16h 19m

$945

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Thu 10/1

11:10 am-7:55 am

2 stops15h 45m

London City

Tue 10/6

10:00 am-8:39 pm

2 stops15h 39m

$945

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Fri 10/2

11:10 am-7:55 am

2 stops15h 45m

London City

Wed 10/7

9:20 am-10:04 pm

2 stops17h 44m

$945

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Thu 10/1

7:25 pm-4:40 pm

2 stops16h 15m

London City

Tue 10/6

10:00 am-8:39 pm

2 stops15h 39m

$945

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Mon 1/11

11:05 am-8:40 am

2 stops16h 35m

London City

Mon 1/18

9:15 am-7:58 pm

2 stops15h 43m

$952

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LCY London City

DCALCY

Washington, D.C. Reagan-National

Thu 9/24

2:54 pm-9:10 pm

2 stops25h 16m

London City

Tue 9/29

8:10 am-11:10 pm

2 stops20h 00m

$955

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?

Delta and Iberia 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

12h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 12h 15m
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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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 12h 15m.

  • 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
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

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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