Cheap flights from Washington to London City Airport from £280

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Washington to London City

Keep the following information in mind while searching for Washington to London City flight deals. Data was last updated 15 September 2025.

Round-trip from

£405

One-way from

£280

Popular in

June

Cheapest in

October

Average price

£513
4/3-10/3
  • 4/3-10/3
  • 4 total stops
  • 37h 46m total
  • Washington to London
2/10
  • 2/10
  • 2 total stops
  • 20h 30m total
  • Washington to London
Highest demand for flights based on searches. 15% potential increase in price (£74 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Washington to London City

Cheapest flights from Washington to London City
Explore the most affordable flight options available from Washington to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 1/1013:00SEA - LCY
2 stops35h 50mSWISS
Tue 14/1009:25LCY - SEA
2 stops17h 11mSWISS
Deal found 14/9£411
Mon 17/1115:37SEA - LCY
2 stops17h 28mSWISS
Tue 2/1219:10LCY - SEA
2 stops36h 05mSWISS
Deal found 14/9£415
Wed 1/1017:40SEA - LCY
1 stop15h 00mDelta
Fri 10/1010:00LCY - SEA
1 stop14h 05mDelta
Deal found 13/9£417
Mon 17/1115:00SEA - LCY
1 stop17h 35mDelta
Tue 2/1210:00LCY - SEA
1 stop33h 50mDelta
Deal found 15/9£418
Tue 11/1115:37SEA - LCY
2 stops17h 28mSWISS
Tue 18/1109:15LCY - SEA
2 stops19h 36mSWISS
Deal found 13/9£419
Mon 17/1107:10SEA - LCY
2 stops25h 25mDelta
Wed 3/1209:20LCY - SEA
1 stop34h 30mDelta
Deal found 13/9£421
Tue 14/1014:00SEA - LCY
1 stop19h 20mVirgin Atlantic
Tue 21/1009:20LCY - SEA
2 stops21h 05mVirgin Atlantic
Deal found 14/9£425
Tue 28/1007:19SEA - LCY
2 stops17h 51mVirgin Atlantic
Tue 4/1109:20LCY - SEA
2 stops21h 07mVirgin Atlantic
Deal found 13/9£428
Wed 22/1010:46PDX - LCY
2 stops22h 29mSWISS
Mon 3/1113:30LCY - PDX
2 stops41h 03mSWISS
Deal found 15/9£436
Mon 20/1013:15PDX - LCY
1 stop19h 25mVirgin Atlantic
Thu 30/1018:55LCY - PDX
1 stop24h 30mVirgin Atlantic
Deal found 15/9£439
Tue 18/1110:52PDX - LCY
2 stops17h 58mSWISS
Fri 5/1209:25LCY - PDX
2 stops20h 50mSWISS
Deal found 14/9£440
Tue 14/1015:19PDX - LCY
2 stops18h 01mVirgin Atlantic
Tue 11/1117:50LCY - PDX
1 stop25h 35mVirgin Atlantic
Deal found 14/9£442

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington 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 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Washington to London City Airport that are best for you.

Fly from

Washington

Fly to

London City

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 5/10

17:40-16:40

1 stop15h 00m

London City

Wed 22/10

10:00-16:05

1 stop14h 05m

£417

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 18/11

15:00-16:35

1 stop17h 35m

London City

Wed 3/12

10:00-11:50

1 stop33h 50m

£418

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 17/11

15:00-16:35

1 stop17h 35m

London City

Tue 2/12

10:00-11:50

1 stop33h 50m

£418

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 19/11

15:00-16:35

1 stop17h 35m

London City

Tue 2/12

10:00-11:50

1 stop33h 50m

£418

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 18/11

07:20-07:15

2 stops15h 55m

London City

Tue 25/11

17:05-11:45

1 stop26h 40m

£421

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 11/2

15:05-16:35

1 stop17h 30m

London City

Tue 17/2

20:05-11:40

1 stop23h 35m

£423

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 20/10

13:15-08:50

1 stop11h 35m

London City

Thu 30/10

20:05-12:25

1 stop23h 20m

£439

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 17/11

13:25-09:30

1 stop12h 05m

London City

Tue 2/12

10:00-11:25

1 stop33h 25m

£439

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 18/11

07:05-08:10

2 stops17h 05m

London City

Tue 25/11

20:05-11:25

1 stop23h 20m

£442

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 3/3

07:20-09:30

2 stops18h 10m

London City

Wed 15/4

08:40-20:24

2 stops19h 44m

£446

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 49 results
1
2
3
...
5

Best time to book a flight from Washington to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Washington with our price prediction graph.
Estimated return 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 to London City Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to London City Airport?

    Departing from State of Washington to London City Airport will take you 15h. There are 4794 mi between State of Washington and London City Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from State of Washington to London City Airport?

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

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

  • How can I find direct flights from Washington 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 to London City.

  • Can I find deals for business class flights from Washington to London City?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to London City Airport?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to London City Airport (average of £161). Flying from State of Washington to London City Airport in August is currently the most expensive (average of £214). 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

Travelling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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.

Alternative routes for Washington to London City

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington to London City?

Cheapflights helps you search for flights from Washington to London City via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington to London City?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington to London City for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Washington to London City with no change fees?

Need flexible booking options for your flight to London City from Washington? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington to London City become cheaper?

Not ready to book yet? You can track prices for flights from Washington to London City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.