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$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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LCY
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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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 October 22, 2025.

This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:30 pmIAD - LCY
1 stop15h 35mSWISS
Tue 1/139:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 10/21$581
This Ticket deal was found by Cheapflights users on 10/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:30 pmIAD - LCY
1 stop11h 25mSWISS
Tue 11/49:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 10/21$597
This KAYAK deal was found by Cheapflights users on 10/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:30 pmIAD - LCY
1 stop15h 35mSWISS
Tue 12/99:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 10/20$601
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:05 pmIAD - LCY
1 stop10h 25mVirgin Atlantic
Tue 11/2510:00 amLCY - IAD
1 stop11h 05mVirgin Atlantic
Deal found 10/20$613
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Wed 10/228:45 pmIAD - LCY
1 stop15h 30mSWISS
Mon 10/277:10 pmLCY - IAD
1 stop26h 30mSWISS
Deal found 10/19$617
This KAYAK deal was found by Cheapflights users on 10/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:30 pmIAD - LCY
1 stop11h 25mSWISS
Mon 11/101:30 pmLCY - IAD
1 stop32h 10mSWISS
Deal found 10/20$621
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 10/218:45 pmIAD - LCY
1 stop15h 45mSWISS
Tue 10/289:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 10/21$622
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:56 amBWI - LCY
2 stops20h 59mMultiple Airlines
Tue 11/185:40 pmLCY - BWI
2 stops32h 44mMultiple Airlines
Deal found 10/20$655
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:30 pmDCA - LCY
2 stops16h 25mMultiple Airlines
Thu 11/207:10 pmLCY - DCA
2 stops26h 46mMultiple Airlines
Deal found 10/21$656
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:56 amBWI - LCY
2 stops20h 59mMultiple Airlines
Wed 11/121:30 pmLCY - BWI
2 stops32h 44mMultiple Airlines
Deal found 10/21$656
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:30 pmDCA - LCY
2 stops16h 25mMultiple Airlines
Tue 11/119:50 amLCY - DCA
2 stops27h 39mMultiple Airlines
Deal found 10/22$666
This Gotogate deal was found by Cheapflights users on 10/20. 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.
Thu 12/46:00 amDCA - LCY
2 stops25h 50mMultiple Airlines
Thu 12/119:40 amLCY - DCA
2 stops28h 15mMultiple Airlines
Deal found 10/20$672

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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$581
(KAYAK)

One-way from

$328
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$673
Provider with most accurate pricing for Washington, D.C. (WAS)-London City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London City flights.
Search Deals
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 ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 22, 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 11/5

6:05 pm-8:50 am

1 stop9h 45m

London City

Tue 11/11

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 12/3

6:05 pm-8:50 am

1 stop9h 45m

London City

Tue 12/9

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 12/2

6:05 pm-8:50 am

1 stop9h 45m

London City

Tue 12/9

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 11/3

6:05 pm-8:50 am

1 stop9h 45m

London City

Tue 11/11

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 11/3

6:05 pm-8:50 am

1 stop9h 45m

London City

Thu 11/13

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 12/3

6:05 pm-8:50 am

1 stop9h 45m

London City

Thu 12/11

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/25

6:05 pm-9:30 am

1 stop10h 25m

London City

Wed 12/10

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 11/19

10:00 am-4:05 pm

1 stop11h 05m

$636

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 10/26

7:05 pm-9:30 am

1 stop10h 25m

London City

Tue 11/4

10:00 am-4:05 pm

1 stop11h 05m

$637

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/18

8:30 pm-12:55 pm

1 stop11h 25m

London City

Tue 11/25

1:30 pm-3:30 pm

1 stop31h 00m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. to London City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to London City in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-London City Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-London City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-London City Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 22, 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 in the evening could potentially save you up to 34% 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.

  • How long is the flight from Washington, D.C. to London City Airport?

    Delta and KLM can get you from Washington, D.C. to London City Airport in just under 9h 45m. Your travel time can differ by up to . The distance between Washington, D.C. and London City Airport is about 3684 mi.

  • What are the cheapest airlines to fly from Washington, D.C. to London City Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to London City Airport are Lufthansa ($407), United Airlines ($408), and KLM ($410).

  • 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.

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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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