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Cheap flights from London City Airport to Seattle from £388

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
24 Apr — 1 May1
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 25 March 2026.

Wed 11/1120:05
LCY
-
SEA
1 stop23h 45m
Virgin Atlantic
Wed 18/1114:55
SEA
-
LCY
1 stop18h 25m
Virgin Atlantic
Deal found 22/3£570
Wed 28/1008:40
LCY
-
SEA
2 stops20h 25m
Virgin Atlantic
Wed 4/1106:00
SEA
-
LCY
2 stops19h 30m
Virgin Atlantic
Deal found 24/3£618
Sun 6/919:15
LCY
-
SEA
1 stop27h 25m
SWISS
Mon 14/916:35
SEA
-
LCY
1 stop16h 55m
SWISS
Deal found 23/3£618
Mon 25/510:20
LCY
-
SEA
1 stop14h 10m
KLM
Mon 8/613:55
SEA
-
LCY
1 stop11h 35m
KLM
Deal found 25/3£619
Wed 16/909:15
LCY
-
SEA
2 stops17h 17m
SWISS
Thu 8/1014:52
SEA
-
LCY
2 stops18h 38m
SWISS
Deal found 24/3£620
Wed 9/909:15
LCY
-
SEA
2 stops17h 17m
SWISS
Tue 22/915:33
SEA
-
LCY
2 stops17h 52m
SWISS
Deal found 21/3£621
Mon 25/509:40
LCY
-
SEA
1 stop14h 50m
KLM
Sun 31/513:45
SEA
-
LCY
1 stop11h 45m
KLM
Deal found 25/3£622
Wed 22/409:15
LCY
-
SEA
2 stops21h 27m
SWISS
Wed 29/407:00
SEA
-
LCY
2 stops21h 35m
SWISS
Deal found 23/3£623
Tue 14/410:00
LCY
-
SEA
1 stop14h 30m
KLM
Sun 19/413:45
SEA
-
LCY
1 stop11h 45m
KLM
Deal found 25/3£624
Tue 5/509:15
LCY
-
SEA
2 stops21h 32m
SWISS
Tue 12/510:30
SEA
-
LCY
2 stops24h 10m
SWISS
Deal found 21/3£624
Tue 14/409:15
LCY
-
SEA
2 stops18h 05m
Lufthansa
Tue 21/414:10
SEA
-
LCY
1 stop19h 45m
Lufthansa
Deal found 21/3£627

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 25 March 2026.

Round-trip from

£618

One-way from

£388

Popular in

July

Cheapest in

February

Average price

£539
SWISS
  • SWISS
  • 6/9-14/9
  • 2 total stops
  • 44h 20m total
  • London to Seattle
Search Deals
SWISS
  • SWISS
  • 7/9
  • 1 total stop
  • 13h 25m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 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

Mon 14/9

09:15-14:40

1 stop13h 25m

Seattle/Tacoma Intl

Tue 22/9

13:19-17:25

2 stops20h 06m

£621

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 7/5

09:15-18:30

2 stops17h 15m

Seattle/Tacoma Intl

Mon 11/5

07:00-12:35

2 stops21h 35m

£650

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 7/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Mon 11/5

13:45-09:30

1 stop11h 45m

£662
Fastest return journey

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 4/6

09:20-16:24

1 stop15h 04m

Seattle/Tacoma Intl

Fri 10/7

13:45-09:30

1 stop11h 45m

£664

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/6

09:20-16:24

1 stop15h 04m

Seattle/Tacoma Intl

Wed 8/7

17:40-07:15

1 stop29h 35m

£664

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 6/5

08:25-22:05

2 stops21h 40m

Seattle/Tacoma Intl

Wed 13/5

13:45-17:20

1 stop19h 35m

£680

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 2/6

08:25-20:28

2 stops20h 03m

Seattle/Tacoma Intl

Fri 10/7

13:45-09:30

1 stop11h 45m

£709

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 6/5

09:15-22:47

2 stops21h 32m

Seattle/Tacoma Intl

Wed 13/5

13:21-17:25

2 stops20h 04m

£724

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/6

06:45-17:10

1 stop18h 25m

Seattle/Tacoma Intl

Tue 7/7

06:00-09:10

2 stops43h 10m

£748

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 6/5

06:45-17:10

1 stop18h 25m

Seattle/Tacoma Intl

Sun 10/5

19:10-20:50

1 stop17h 40m

£766

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from London City Airport to Seattle

What’s the top stopover airport for flights from London City Airport to Seattle?

Share of one-stop return flights from London City Airport to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 75% of one-stop itineraries from London City Airport to Seattle on Cheapflights.

What’s the cheapest stopover airport for flights from London City Airport to Seattle?

Average return fare for one-stop flights from London City Airport to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £618.

What’s the fastest stopover option from London City Airport to Seattle?

Shortest average travel time for one-stop one-way flights from London City Airport to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) have the shortest average one-way travel time for one-stop routes: 13h 30m.

Which airport typically offers the quickest stopover for flights from London City Airport to Seattle?

Average stopover duration for one-stop one-way flights from London City Airport to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 2h 58m.

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?

    SWISS, KLM, and Delta can get you from London City Airport to Seattle in just under 13h 25m. Your travel time can differ by up to 1h 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

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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!

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