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Cheap flights from London City Airport to Seattle from £423

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
10 Jul — 17 Jul1
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 10 June 2026.

Sat 5/910:00
LCY
-
SEA
1 stop14h 35m
Virgin Atlantic
Sat 12/917:45
SEA
-
LCY
1 stop18h 30m
Virgin Atlantic
Deal found 9/6£518
Sun 30/820:15
LCY
-
SEA
1 stop23h 22m
Virgin Atlantic
Sat 27/211:15
SEA
-
LCY
2 stops18h 00m
Virgin Atlantic
Deal found 8/6£525
Mon 7/908:25
LCY
-
SEA
1 stop16h 10m
Virgin Atlantic
Wed 7/1006:00
SEA
-
LCY
2 stops17h 55m
Virgin Atlantic
Deal found 9/6£527
Tue 7/717:50
LCY
-
SEA
1 stop25h 43m
Virgin Atlantic
Tue 28/707:15
SEA
-
LCY
2 stops18h 15m
Virgin Atlantic
Deal found 9/6£528
Sun 4/1020:45
LCY
-
SEA
2 stops27h 32m
Virgin Atlantic
Sun 11/1013:45
SEA
-
LCY
1 stop22h 00m
Virgin Atlantic
Deal found 10/6£529
Mon 24/807:45
LCY
-
SEA
2 stops21h 05m
Virgin Atlantic
Thu 3/917:45
SEA
-
LCY
1 stop15h 35m
Virgin Atlantic
Deal found 9/6£531
Sun 13/920:45
LCY
-
SEA
1 stop27h 50m
Virgin Atlantic
Mon 21/913:50
SEA
-
LCY
1 stop18h 50m
Virgin Atlantic
Deal found 9/6£532
Sat 22/809:20
LCY
-
SEA
2 stops20h 25m
Virgin Atlantic
Thu 3/917:45
SEA
-
LCY
1 stop18h 00m
Virgin Atlantic
Deal found 9/6£532
Thu 9/709:20
LCY
-
SEA
1 stop15h 00m
KLM
Wed 29/713:45
SEA
-
LCY
1 stop11h 45m
KLM
Deal found 10/6£533
Tue 30/610:00
LCY
-
SEA
1 stop14h 24m
Virgin Atlantic
Mon 13/713:45
SEA
-
LCY
1 stop11h 45m
Virgin Atlantic
Deal found 6/6£535
Mon 14/910:00
LCY
-
SEA
1 stop14h 35m
KLM
Mon 21/913:50
SEA
-
LCY
1 stop11h 40m
KLM
Deal found 9/6£536
Tue 28/709:20
LCY
-
SEA
2 stops19h 30m
Delta
Sun 23/817:45
SEA
-
LCY
1 stop29h 30m
Delta
Deal found 9/6£537

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 10 June 2026.

Round-trip from

£518

One-way from

£423

Popular in

July

Cheapest in

February

Average price

£625
Virgin Atlantic
  • Virgin Atlantic
  • 5/9-12/9
  • 2 total stops
  • 33h 05m total
  • London to Seattle
Search Deals
Lufthansa
  • Lufthansa
  • 10/9
  • 2 total stops
  • 21h 27m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 10 June 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

Sat 29/8

09:00-20:43

2 stops19h 43m

Seattle/Tacoma Intl

Sat 5/9

15:30-17:25

2 stops17h 55m

£555

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 30/6

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Sun 5/7

07:00-12:35

2 stops21h 35m

£622

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 28/9

09:15-21:01

2 stops19h 46m

Seattle/Tacoma Intl

Wed 7/10

13:19-17:25

2 stops20h 06m

£633

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 26/8

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Thu 10/9

13:16-17:30

2 stops20h 14m

£648
Fastest return journey

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 6/7

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Tue 21/7

15:33-17:25

2 stops17h 52m

£652

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 28/8

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Thu 3/9

15:30-17:30

2 stops18h 00m

£652

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 26/6

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Thu 9/7

13:30-17:30

2 stops20h 00m

£652

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 24/9

09:15-18:32

2 stops17h 17m

Seattle/Tacoma Intl

Thu 11/3

13:16-17:05

2 stops19h 49m

£654

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 5/9

09:00-22:43

2 stops21h 43m

Seattle/Tacoma Intl

Sat 12/9

15:30-17:25

2 stops17h 55m

£658

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 25/9

09:15-22:56

2 stops21h 41m

Seattle/Tacoma Intl

Thu 11/3

13:16-17:05

2 stops19h 49m

£659

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 21 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.

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 can get you from London City Airport to Seattle in just under 19h 43m. Your travel time can differ by up to . Airlines will cover a distance of 4794 mi.

  • 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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