Find flights
When to book
FAQs

Cheap flights from London City Airport to Seattle from £424

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
4 Aug — 11 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from London City to Seattle
Explore the most affordable flight options available from London City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2026.

Fri 18/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Tue 13/1017:45
SEA
-
LCY
1 stop16h 45m
Virgin Atlantic
Deal found 2/7£531
Wed 14/1009:20
LCY
-
SEA
1 stop15h 15m
KLM
Wed 21/1013:45
SEA
-
LCY
1 stop11h 45m
KLM
Deal found 30/6£537
Wed 16/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Fri 25/913:50
SEA
-
LCY
1 stop11h 40m
Virgin Atlantic
Deal found 1/7£541
Mon 14/918:30
LCY
-
SEA
1 stop25h 25m
Lufthansa
Mon 21/914:10
SEA
-
LCY
1 stop19h 45m
Lufthansa
Deal found 1/7£543
Sat 5/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Fri 18/913:50
SEA
-
LCY
1 stop11h 40m
Virgin Atlantic
Deal found 1/7£544
Tue 8/909:20
LCY
-
SEA
1 stop15h 15m
Virgin Atlantic
Wed 30/917:45
SEA
-
LCY
1 stop15h 35m
Virgin Atlantic
Deal found 29/6£545
Wed 9/918:30
LCY
-
SEA
1 stop25h 25m
Lufthansa
Mon 14/914:10
SEA
-
LCY
1 stop19h 45m
Lufthansa
Deal found 3/7£546
Mon 14/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Mon 21/917:45
SEA
-
LCY
1 stop15h 35m
Virgin Atlantic
Deal found 30/6£547
Thu 17/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Wed 30/913:50
SEA
-
LCY
1 stop11h 40m
Virgin Atlantic
Deal found 3/7£548
Thu 3/910:00
LCY
-
SEA
1 stop14h 35m
KLM
Wed 16/913:50
SEA
-
LCY
1 stop11h 40m
KLM
Deal found 30/6£551
Thu 3/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Tue 8/917:45
SEA
-
LCY
1 stop14h 55m
Virgin Atlantic
Deal found 1/7£552
Wed 7/1009:20
LCY
-
SEA
1 stop15h 15m
Virgin Atlantic
Thu 15/1017:45
SEA
-
LCY
1 stop16h 45m
Virgin Atlantic
Deal found 2/7£553

Find flight deals from London City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) to Seattle (SEA). 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 5 July 2026.

Round-trip from

£531

One-way from

£424

Popular in

July

Cheapest in

February

Average price

£633
Virgin Atlantic
  • Virgin Atlantic
  • 18/9-13/10
  • 2 total stops
  • 31h 20m total
  • London to Seattle
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 17h 17m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City to Seattle 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 5 July 2026.
Use the filters below to find and compare flights from London City Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 24/9

10:00-16:35

1 stop14h 35m

Seattle/Tacoma Intl

Sun 4/10

13:45-09:30

1 stop11h 45m

£563

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 25/9

10:00-16:35

1 stop14h 35m

Seattle/Tacoma Intl

Sun 4/10

13:45-09:30

1 stop11h 45m

£572

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 19/9

10:00-23:20

2 stops21h 20m

Seattle/Tacoma Intl

Thu 1/10

17:45-16:40

1 stop14h 55m

£573

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 2/9

09:20-16:35

1 stop15h 15m

Seattle/Tacoma Intl

Tue 8/9

17:45-17:20

1 stop15h 35m

£575

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 1/9

20:15-11:47

1 stop23h 32m

Seattle/Tacoma Intl

Sun 6/9

17:45-18:30

1 stop16h 45m

£576

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 11/12

08:40-23:59

2 stops23h 19m

Seattle/Tacoma Intl

Mon 14/12

06:00-08:10

2 stops18h 10m

£611

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 20/8

20:15-11:37

1 stop23h 22m

Seattle/Tacoma Intl

Sat 5/9

17:45-17:20

1 stop15h 35m

£615

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 23/7

09:20-16:20

1 stop15h 00m

Seattle/Tacoma Intl

Wed 5/8

13:50-09:30

1 stop11h 40m

£643

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 16/8

20:45-19:05

2 stops30h 20m

Seattle/Tacoma Intl

Sun 23/8

13:50-09:30

1 stop11h 40m

£685
Fastest return journey

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 21/7

10:00-16:20

1 stop14h 20m

Seattle/Tacoma Intl

Wed 5/8

13:50-09:30

1 stop11h 40m

£695

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from London City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from London City 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.

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from London City?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from London City to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from London City on a regular basis. Booking flights from London City to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from London City per day.

  • How long is the flight from London City Airport to Seattle?

    KLM and Virgin Atlantic can get you from London City Airport to Seattle in just under 14h 35m. Your travel time can differ by up to 6h 45m. Airlines will cover a distance of 4794 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from London City to Seattle?

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

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

    Yes. Cheapflights offers flight deals from London City to Seattle 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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.

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 London City to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London City to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from London City.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London City to Seattle, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.