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Cheap flights from London City Airport to Seattle from £379

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
29 Jan — 5 Feb1
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 30 December 2025.

Mon 29/1219:10LCY - SEA
2 stops33h 57mSWISS
Sat 31/110:58SEA - LCY
2 stops41h 57mSWISS
Deal found 29/12£864
Mon 29/1219:10LCY - SEA
2 stops33h 57mSWISS
Tue 6/111:00SEA - LCY
2 stops17h 55mSWISS
Deal found 29/12£893
Tue 30/1209:15LCY - SEA
2 stops21h 32mSWISS
Tue 6/111:00SEA - LCY
2 stops17h 55mSWISS
Deal found 28/12£979
Mon 29/1219:10LCY - SEA
2 stops33h 57mSWISS
Mon 5/113:35SEA - LCY
2 stops19h 30mSWISS
Deal found 29/12£1,173
Mon 29/1219:10LCY - SEA
2 stops35h 37mSWISS
Sun 4/112:35SEA - LCY
2 stops20h 35mSWISS
Deal found 29/12£1,204
Mon 29/1220:05LCY - SEA
1 stop23h 45mMultiple Airlines
Fri 2/107:10SEA - LCY
2 stops17h 00mMultiple Airlines
Deal found 29/12£1,483
Tue 30/1217:50LCY - SEA
1 stop26h 00mVirgin Atlantic
Fri 16/106:05SEA - LCY
2 stops19h 25mVirgin Atlantic
Deal found 28/12£1,499
Tue 30/1209:15LCY - SEA
2 stops21h 32mSWISS
Fri 16/110:58SEA - LCY
2 stops41h 47mSWISS
Deal found 28/12£1,613
Tue 30/1209:15LCY - SEA
2 stops21h 32mSWISS
Mon 5/113:35SEA - LCY
2 stops19h 30mSWISS
Deal found 28/12£1,679

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 30 December 2025.

Round-trip from

£413

One-way from

£379

Popular in

July

Cheapest in

February

Average price

£633
SWISS
  • SWISS
  • 14/1-1/2
  • 4 total stops
  • 40h 27m total
  • London to Seattle
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 15/2
  • 1 total stop
  • 23h 35m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 30 December 2025.
Use the filters below to find and compare flights from London City Airport to Seattle that are best for you.

Fly from

London City

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 11/2

07:45-20:46

2 stops21h 01m

Seattle/Tacoma Intl

Wed 18/2

15:05-16:35

1 stop17h 30m

£423

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 30/1

17:05-11:50

1 stop26h 45m

Seattle/Tacoma Intl

Mon 2/3

15:05-18:25

1 stop19h 20m

£449

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 6/2

20:05-11:40

1 stop23h 35m

Seattle/Tacoma Intl

Tue 10/2

15:05-17:20

1 stop18h 15m

£449

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 17/1

10:00-21:49

2 stops19h 49m

Seattle/Tacoma Intl

Sat 24/1

06:05-13:15

2 stops23h 10m

£483

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 20/6

09:00-14:30

1 stop13h 30m

Seattle/Tacoma Intl

Sat 4/7

16:30-07:25

1 stop30h 55m

£490

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

09:15-21:12

2 stops19h 57m

Seattle/Tacoma Intl

Mon 26/1

12:35-17:05

2 stops20h 30m

£493

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 12/2

09:15-22:43

2 stops21h 28m

Seattle/Tacoma Intl

Thu 19/2

12:32-17:05

2 stops20h 33m

£493

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 14/6

19:15-14:30

1 stop27h 15m

Seattle/Tacoma Intl

Sat 27/6

16:30-13:45

1 stop13h 15m

£507

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

20:05-16:58

2 stops28h 53m

Seattle/Tacoma Intl

Mon 26/1

15:10-17:20

1 stop18h 10m

£525

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 15/2

20:05-11:40

1 stop23h 35m

£379

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 20 results
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.

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 £613.

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?

    Virgin Atlantic can get you from London City Airport to Seattle in just under 21h 01m. 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
Leavenworth
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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