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$319+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LCY
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$601
(Cheapflightsfares)

One-way from

$319
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$636
From Washington, D.C. (WAS) to London City
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One-way flight from Washington, D.C. (WAS) to London City
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Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/18:45 pmIAD - LCY
1 stop10h 45mSWISS
Wed 10/89:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/14$601
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/18:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 10/79:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/16$602
This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/14$605
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 stop15h 30mSWISS
Wed 10/159:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/14$606
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 9/288:45 pmIAD - LCY
1 stop31h 05mSWISS
Tue 10/79:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/16$608
This Gotogate deal was found by Cheapflights users on 9/15. 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.
Mon 9/228:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/15$609
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/238:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/14$613
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/118:30 pmIAD - LCY
1 stop11h 20mSWISS
Mon 11/177:10 pmLCY - IAD
1 stop26h 30mSWISS
Deal found 9/14$616
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:26 pmBWI - LCY
2 stops13h 49mKLM
Wed 10/2210:00 amLCY - BWI
2 stops18h 13mKLM
Deal found 9/15$652
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/273:20 pmDCA - LCY
2 stops17h 30mMultiple Airlines
Tue 11/47:10 pmLCY - DCA
2 stops27h 15mMultiple Airlines
Deal found 9/14$654
This United Airlines deal was found by Cheapflights users on 9/14. 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 stops25h 09mMultiple Airlines
Tue 11/117:10 pmLCY - BWI
2 stops27h 04mMultiple Airlines
Deal found 9/14$654
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/1510:30 amDCA - LCY
2 stops16h 40mMultiple Airlines
Tue 11/47:10 pmLCY - DCA
2 stops27h 15mMultiple Airlines
Deal found 9/16$660

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 September 16, 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

Tue 10/14

8:45 pm-12:30 pm

1 stop10h 45m

London City

Tue 10/21

9:25 am-4:15 pm

1 stop11h 50m

$614

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/4

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 11/19

9:20 am-4:05 pm

1 stop11h 45m

$638

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 11/11

11:50 am-8:10 am

2 stops15h 20m

London City

Thu 11/27

10:00 am-4:05 pm

1 stop11h 05m

$643

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 2/8

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 3/11

9:20 am-5:05 pm

1 stop11h 45m

$646

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/30

5:25 pm-9:30 am

1 stop11h 05m

London City

Thu 10/9

8:40 am-11:00 pm

2 stops19h 20m

$648

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 9/28

5:25 pm-8:50 am

1 stop10h 25m

London City

Tue 10/7

10:00 am-7:18 pm

2 stops14h 18m

$648

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/14

5:25 pm-8:10 am

1 stop9h 45m

London City

Tue 10/21

9:20 am-11:00 pm

2 stops18h 40m

$648

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 11/9

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 11/19

10:00 am-7:08 pm

2 stops14h 08m

$648

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 11/4

10:56 am-5:05 pm

2 stops25h 09m

London City

Tue 11/11

7:10 pm-5:14 pm

2 stops27h 04m

$654

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 3/11

5:15 pm-12:50 pm

2 stops15h 35m

London City

Mon 3/16

7:10 pm-3:30 pm

1 stop24h 20m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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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 September 16, 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.

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

    SWISS, KLM, and Virgin Atlantic can get you from Washington, D.C. to London City Airport in just under 9h 45m. Your travel time can differ by up to 5h 35m. The distance between Washington, D.C. and London City Airport is about 3684 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Iberia ($409), United Airlines ($421), and SWISS ($421).

  • 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

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