HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London City

$328+ Cheap flights from Washington, D.C. (WAS) to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LCY
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to London City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington, D.C. to London City

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$542
(Kiwi.com)

One-way from

$328
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$684
From Washington, D.C. (WAS) to London City
Search Deals
One-way flight from Washington, D.C. (WAS) to London City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Washington, D.C. to London City

Cheapest flights from Washington, D.C. to London City
Explore the most affordable flight options available from Washington, D.C. to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:45 pmIAD - LCY
1 stop10h 45mSWISS
Mon 8/256:05 pmLCY - IAD
1 stop27h 10mSWISS
Deal found 8/13$542
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:30 pmIAD - LCY
1 stop15h 35mSWISS
Tue 11/119:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 8/13$543
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:45 pmIAD - LCY
1 stop17h 00mSWISS
Tue 10/149:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 8/13$564
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 8/13$565
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:30 pmIAD - LCY
1 stop17h 10mSWISS
Tue 12/29:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 8/13$577
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:45 pmIAD - LCY
1 stop15h 30mSWISS
Wed 10/159:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 8/13$595
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:45 pmIAD - LCY
1 stop31h 05mSWISS
Tue 9/27:20 pmLCY - IAD
1 stop25h 55mSWISS
Deal found 8/13$605
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:30 pmIAD - LCY
1 stop15h 35mSWISS
Tue 11/119:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 8/13$614
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:45 pmIAD - LCY
1 stop17h 10mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 8/13$615
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/169:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 8/13$618
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:30 pmIAD - LCY
1 stop11h 20mSWISS
Mon 12/17:10 pmLCY - IAD
1 stop26h 30mSWISS
Deal found 8/13$620
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:30 pmIAD - LCY
1 stop12h 35mITA Airways
Wed 9/174:50 pmLCY - IAD
1 stop26h 50mITA Airways
Deal found 8/13$623

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to London City 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to London City Airport that are best for you.

Fly from

Washington, D.C.

Fly to

London City

Route

Depart

Return

Price

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/24

8:45 pm-12:30 pm

1 stop10h 45m

London City

Wed 10/1

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/22

8:45 pm-12:30 pm

1 stop10h 45m

London City

Thu 10/30

5:45 pm-5:40 pm

1 stop27h 55m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/23

8:45 pm-12:30 pm

1 stop10h 45m

London City

Tue 9/30

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 8/26

8:45 pm-12:30 pm

1 stop10h 45m

London City

Tue 9/16

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/23

8:45 pm-12:30 pm

1 stop10h 45m

London City

Wed 10/1

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/24

8:45 pm-12:30 pm

1 stop10h 45m

London City

Tue 9/30

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 10/6

8:45 pm-12:30 pm

1 stop10h 45m

London City

Tue 10/14

9:25 am-4:15 pm

1 stop11h 50m

$541

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/14

8:45 pm-5:30 pm

1 stop15h 45m

London City

Tue 10/21

9:25 am-4:15 pm

1 stop11h 50m

$542

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/2

5:25 pm-8:10 am

1 stop9h 45m

London City

Thu 10/23

9:20 am-3:35 pm

1 stop11h 15m

$565

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 10/13

5:25 pm-8:10 am

1 stop9h 45m

London City

Fri 10/24

9:20 am-3:35 pm

1 stop11h 15m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London City Airport

What is the cheapest time of day to fly from WAS to LCY?

Find hourly flight availability from Washington, D.C. to London City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Washington, D.C. to London City Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Washington, D.C. to London City Airport?

    Most travelers choose Washington, D.C. Dulles Intl - London City, Baltimore/Washington - London City or Washington, D.C. Reagan-National - London City when deciding on the best route from Washington, D.C. to London City Airport.

  • Can I find deals for flights from Washington, D.C. to London City that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London City.

  • Can I find deals for business class flights from Washington, D.C. to London City?

    Yes. Cheapflights offers flight deals from Washington, D.C. to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to London City Airport (average of $686). Flying from Washington, D.C. to London City Airport in July is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.