Latest deals
Insights
When to book
FAQs
Price Alerts

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 11/17. 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.
Delta Logo
12:55 pm - 7:55 am
DCA
-
LCY
14h 00m
2 stops
Delta Logo
8:25 am - 7:50 pm
LCY
-
DCA
16h 25m
2 stops
$890Delta
Wed, Sep 16 - Wed, Sep 23
Delta Logo
12:55 pm - 7:15 am
DCA
-
LCY
13h 20m
2 stops
Delta Logo
10:00 am - 8:33 pm
LCY
-
DCA
15h 33m
2 stops
$891Delta
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
11:56 am - 10:20 am
DCA
-
LCY
17h 24m
2 stops
Multiple Airlines Logo
2:45 pm - 7:49 am
LCY
-
DCA
22h 04m
2 stops
$926Multiple Airlines
Thu, Oct 1 - Fri, Oct 9
Delta Logo
3:05 pm - 9:30 am
DCA
-
LCY
13h 25m
2 stops
Delta Logo
8:25 am - 5:48 pm
LCY
-
DCA
14h 23m
2 stops
$940Delta
Wed, Sep 30 - Mon, Oct 5
Delta Logo
12:27 pm - 7:15 am
DCA
-
LCY
13h 48m
2 stops
Delta Logo
10:00 am - 8:33 pm
LCY
-
DCA
15h 33m
2 stops
$941Delta
Thu, Aug 20 - Tue, Aug 25
Multiple Airlines Logo
9:40 am - 8:40 am
DCA
-
LCY
18h 00m
2 stops
Multiple Airlines Logo
8:00 am - 7:57 pm
LCY
-
DCA
16h 57m
2 stops
$950Multiple Airlines
Wed, Sep 2 - Mon, Sep 7
Delta Logo
3:30 pm - 9:30 am
DCA
-
LCY
13h 00m
2 stops
Delta Logo
7:45 am - 6:05 pm
LCY
-
DCA
15h 20m
2 stops
$965Delta
Tue, Nov 10 - Fri, Nov 13
KLM Logo
6:02 am - 7:15 am
DCA
-
LCY
20h 13m
2 stops
KLM Logo
8:45 pm - 4:59 pm
LCY
-
DCA
25h 14m
2 stops
$989KLM
Sun, Aug 9 - Sun, Aug 16
Delta Logo
11:10 am - 1:15 pm
DCA
-
LCY
21h 05m
2 stops
Delta Logo
12:10 pm - 10:59 pm
LCY
-
DCA
15h 49m
2 stops
$991Delta
Sat, Sep 19 - Sat, Sep 26
Delta Logo
3:30 pm - 9:30 am
DCA
-
LCY
13h 00m
2 stops
Delta Logo
10:00 am - 9:15 pm
LCY
-
DCA
16h 15m
2 stops
$1,015Delta
Tue, Nov 10 - Sat, Nov 14

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Nov 8
DCA5:45 pmWashington, D.C. Reagan-National
15h 50m
2 stops
LCY2:35 pmLondon City
Nov 12
LCY7:50 amLondon City
16h 01m
2 stops
DCA6:51 pmWashington, D.C. Reagan-National
$1,335
British Airways
Oct 1
DCA5:18 pmWashington, D.C. Reagan-National
16h 32m
2 stops
LCY2:50 pmLondon City
Oct 5
LCY7:00 amLondon City
15h 06m
2 stops
DCA5:06 pmWashington, D.C. Reagan-National
$5,147

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 16
DCA12:55 pmWashington, D.C. Reagan-National
14h 00m
2 stops
LCY7:55 amLondon City
Sep 23
LCY8:25 amLondon City
16h 25m
2 stops
DCA7:50 pmWashington, D.C. Reagan-National
$890
Delta
Aug 18
DCA12:55 pmWashington, D.C. Reagan-National
13h 20m
2 stops
LCY7:15 amLondon City
Aug 25
LCY10:00 amLondon City
15h 33m
2 stops
DCA8:33 pmWashington, D.C. Reagan-National
$891
Delta
Sep 30
DCA3:05 pmWashington, D.C. Reagan-National
13h 25m
2 stops
LCY9:30 amLondon City
Oct 5
LCY8:25 amLondon City
14h 23m
2 stops
DCA5:48 pmWashington, D.C. Reagan-National
$940

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 June 26, 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

Wed 9/16

12:55 pm-7:55 am

2 stops14h 00m

London City

Wed 9/23

8:25 am-7:50 pm

2 stops16h 25m

$890

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 8/18

12:55 pm-7:15 am

2 stops13h 20m

London City

Tue 8/25

10:00 am-8:33 pm

2 stops15h 33m

$891

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 10/1

11:56 am-10:20 am

2 stops17h 24m

London City

Fri 10/9

2:45 pm-7:49 am

2 stops22h 04m

$926
Quickest round-trip

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 9/30

3:05 pm-9:30 am

2 stops13h 25m

London City

Mon 10/5

8:25 am-5:48 pm

2 stops14h 23m

$940

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Thu 8/20

12:27 pm-7:15 am

2 stops13h 48m

London City

Tue 8/25

10:00 am-8:33 pm

2 stops15h 33m

$941

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 9/2

9:40 am-8:40 am

2 stops18h 00m

London City

Mon 9/7

8:00 am-7:57 pm

2 stops16h 57m

$950

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 11/10

3:30 pm-9:30 am

2 stops13h 00m

London City

Fri 11/13

7:45 am-6:05 pm

2 stops15h 20m

$965

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sun 8/9

6:02 am-7:15 am

2 stops20h 13m

London City

Sun 8/16

8:45 pm-4:59 pm

2 stops25h 14m

$989

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 9/19

11:10 am-1:15 pm

2 stops21h 05m

London City

Sat 9/26

12:10 pm-10:59 pm

2 stops15h 49m

$991

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 11/10

3:30 pm-9:30 am

2 stops13h 00m

London City

Sat 11/14

10:00 am-9:15 pm

2 stops16h 15m

$1,015

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Cobham
Brentwood
Guildford
Ilford
Folkestone
Uxbridge
Romford

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/26
Sun 8/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $149
Flights to London Gatwick Airportfrom $162
Flights to London Stansted Airportfrom $492
Flights to London Luton Airportfrom $491
Flights to Glasgow Intl Airportfrom $145
Flights to Belfast Intl Airportfrom $330
Flights to London Southend Airportfrom $678
Flights to Belfast City Airportfrom $330