Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to London from $409

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 1/28. 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

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

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.
Iberia Logo
1:54 pm - 8:50 am
DCA
-
LCY
13h 56m
2 stops
Iberia Logo
7:50 am - 6:33 pm
LCY
-
DCA
15h 43m
2 stops
$669Iberia
Wed, Feb 25 - Wed, Mar 4
KLM Logo
2:35 pm - 9:30 am
DCA
-
LCY
13h 55m
2 stops
KLM Logo
7:45 am - 5:53 pm
LCY
-
DCA
15h 08m
2 stops
$709KLM
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
1:41 pm - 8:50 am
DCA
-
LCY
15h 09m
2 stops
British Airways Logo
7:15 pm - 4:37 pm
LCY
-
DCA
25h 22m
2 stops
$735British Airways
Mon, Mar 16 - Sun, Mar 22
Delta Logo
11:06 am - 9:30 am
DCA
-
LCY
17h 24m
2 stops
Delta Logo
8:40 am - 9:34 pm
LCY
-
DCA
17h 54m
2 stops
$763Delta
Fri, Feb 27 - Fri, Mar 6
Iberia Logo
5:00 pm - 2:05 pm
DCA
-
LCY
16h 05m
2 stops
Iberia Logo
7:50 am - 6:33 pm
LCY
-
DCA
15h 43m
2 stops
$818Iberia
Tue, Feb 17 - Wed, Feb 25
British Airways Logo
4:34 pm - 3:05 pm
DCA
-
LCY
18h 31m
2 stops
British Airways Logo
7:35 pm - 4:25 pm
LCY
-
DCA
25h 50m
2 stops
$835British Airways
Sat, Mar 28 - Sun, Apr 5
Iberia Logo
1:59 pm - 8:50 am
DCA
-
LCY
13h 51m
2 stops
Iberia Logo
7:50 am - 6:33 pm
LCY
-
DCA
15h 43m
2 stops
$850Iberia
Mon, Feb 9 - Wed, Feb 18
Iberia Logo
1:28 pm - 8:50 am
DCA
-
LCY
14h 22m
2 stops
Iberia Logo
9:10 am - 10:35 pm
LCY
-
DCA
18h 25m
2 stops
$862Iberia
Wed, Feb 18 - Tue, Feb 24
Iberia Logo
1:28 pm - 8:50 am
DCA
-
LCY
14h 22m
2 stops
Iberia Logo
7:15 pm - 6:33 pm
LCY
-
DCA
28h 18m
2 stops
$872Iberia
Wed, Feb 18 - Tue, Feb 24
Iberia Logo
1:54 pm - 8:50 am
DCA
-
LCY
13h 56m
2 stops
Iberia Logo
9:10 am - 6:33 pm
LCY
-
DCA
38h 23m
2 stops
$873Iberia
Wed, Feb 18 - Tue, Feb 24

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
Mar 16
DCA1:41 pmWashington, D.C. Reagan-National
15h 09m
2 stops
LCY8:50 amLondon City
Mar 22
LCY7:15 pmLondon City
25h 22m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$735
British Airways
Mar 28
DCA4:34 pmWashington, D.C. Reagan-National
18h 31m
2 stops
LCY3:05 pmLondon City
Apr 5
LCY7:35 pmLondon City
25h 50m
2 stops
DCA4:25 pmWashington, D.C. Reagan-National
$835
British Airways
Mar 14
DCA4:34 pmWashington, D.C. Reagan-National
17h 16m
2 stops
LCY1:50 pmLondon City
Mar 22
LCY7:15 pmLondon City
25h 22m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$879

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
Feb 25
DCA1:54 pmWashington, D.C. Reagan-National
13h 56m
2 stops
LCY8:50 amLondon City
Mar 4
LCY7:50 amLondon City
15h 43m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$669
Iberia
Feb 17
DCA5:00 pmWashington, D.C. Reagan-National
16h 05m
2 stops
LCY2:05 pmLondon City
Feb 25
LCY7:50 amLondon City
15h 43m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$818
Iberia
Feb 9
DCA1:59 pmWashington, D.C. Reagan-National
13h 51m
2 stops
LCY8:50 amLondon City
Feb 18
LCY7:50 amLondon City
15h 43m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$850

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 January 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

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/25

1:54 pm-8:50 am

2 stops13h 56m

London City

Wed 3/4

7:50 am-6:33 pm

2 stops15h 43m

$669

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 1/30

2:35 pm-9:30 am

2 stops13h 55m

London City

Tue 2/3

7:45 am-5:53 pm

2 stops15h 08m

$709

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 3/16

1:41 pm-8:50 am

2 stops15h 09m

London City

Sun 3/22

7:15 pm-4:37 pm

2 stops25h 22m

$735

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Fri 2/27

11:06 am-9:30 am

2 stops17h 24m

London City

Fri 3/6

8:40 am-9:34 pm

2 stops17h 54m

$763

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Tue 2/17

5:00 pm-2:05 pm

2 stops16h 05m

London City

Wed 2/25

7:50 am-6:33 pm

2 stops15h 43m

$818

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Sat 3/28

4:34 pm-3:05 pm

2 stops18h 31m

London City

Sun 4/5

7:35 pm-4:25 pm

2 stops25h 50m

$835

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 2/9

1:59 pm-8:50 am

2 stops13h 51m

London City

Wed 2/18

7:50 am-6:33 pm

2 stops15h 43m

$850

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/18

1:28 pm-8:50 am

2 stops14h 22m

London City

Tue 2/24

9:10 am-10:35 pm

2 stops18h 25m

$862

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/18

1:28 pm-8:50 am

2 stops14h 22m

London City

Tue 2/24

7:15 pm-6:33 pm

2 stops28h 18m

$872

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 2/18

1:54 pm-8:50 am

2 stops13h 56m

London City

Tue 2/24

9:10 am-6:33 pm

2 stops38h 23m

$873

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 United Airlines 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

14h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London City Airport takes 14h 10m
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?

    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 10m.

  • 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
Luton
Milton Keynes
Dover
Slough
Guildford
Crawley
Dartford
Hayes
Wembley
Brentwood
Watford
Cobham
Folkestone
Romford
Harrow
Croydon
Richmond
Uxbridge

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
Sat 2/14
Sat 2/21
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 $381
Flights to London Gatwick Airportfrom $356
Flights to London Stansted Airportfrom $371
Flights to London Luton Airportfrom $373
Flights to Glasgow Intl Airportfrom $391
Flights to London Southend Airportfrom $485
Flights to Belfast Intl Airportfrom $502
Flights to Belfast City Airportfrom $494