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Cheap flights from Seattle to London City Airport from £282

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to London City

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to London City
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 March 2026.

Wed 22/413:45
SEA
-
LCY
1 stop18h 55m
KLM
Mon 4/519:00
LCY
-
SEA
1 stop29h 30m
KLM
Deal found 27/2£500
Mon 30/313:45
SEA
-
LCY
1 stop11h 45m
KLM
Wed 8/409:20
LCY
-
SEA
1 stop15h 10m
KLM
Deal found 27/2£501
Mon 11/517:40
SEA
-
LCY
1 stop15h 00m
Delta
Thu 21/510:00
LCY
-
SEA
1 stop14h 30m
Delta
Deal found 3/3£513
Tue 31/313:45
SEA
-
LCY
1 stop11h 45m
KLM
Tue 7/409:20
LCY
-
SEA
1 stop15h 10m
KLM
Deal found 2/3£515
Mon 30/317:35
SEA
-
LCY
1 stop15h 45m
Virgin Atlantic
Tue 14/420:15
LCY
-
SEA
1 stop23h 30m
Virgin Atlantic
Deal found 2/3£516
Wed 1/407:20
SEA
-
LCY
2 stops18h 10m
Delta
Wed 8/409:20
LCY
-
SEA
1 stop15h 10m
Delta
Deal found 2/3£519
Tue 31/313:45
SEA
-
LCY
1 stop19h 35m
Virgin Atlantic
Tue 7/409:20
LCY
-
SEA
2 stops20h 50m
Virgin Atlantic
Deal found 1/3£522
Sun 29/317:35
SEA
-
LCY
1 stop16h 55m
Virgin Atlantic
Tue 14/409:20
LCY
-
SEA
2 stops20h 45m
Virgin Atlantic
Deal found 27/2£523
Wed 1/413:45
SEA
-
LCY
1 stop11h 45m
Multiple Airlines
Wed 8/410:00
LCY
-
SEA
1 stop14h 30m
Multiple Airlines
Deal found 2/3£534
Sun 29/317:35
SEA
-
LCY
1 stop15h 05m
KLM
Sun 5/420:15
LCY
-
SEA
1 stop28h 15m
KLM
Deal found 27/2£535

Find flight deals from Seattle to London City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to London City (LCY). 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 4 March 2026.

Round-trip from

£500

One-way from

£282

Popular in

June

Cheapest in

January

Average price

£514
KLM
  • KLM
  • 22/4-4/5
  • 2 total stops
  • 48h 25m total
  • Seattle to London
Search Deals
3/5
  • 3/5
  • 3 total stops
  • 28h 05m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 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 Seattle 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 4 March 2026.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 13/5

13:45-09:30

1 stop11h 45m

London City

Wed 20/5

09:20-16:30

1 stop15h 10m

£590

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 14/4

17:35-17:20

1 stop15h 45m

London City

Tue 21/4

08:25-16:30

1 stop16h 05m

£590

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 16/4

17:35-16:40

1 stop15h 05m

London City

Sun 19/4

13:45-11:45

1 stop30h 00m

£702

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 27/4

13:45-09:30

1 stop11h 45m

London City

Tue 12/5

10:00-16:30

1 stop14h 30m

£716

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 29/4

07:00-12:35

2 stops21h 35m

London City

Mon 4/5

19:15-22:47

2 stops35h 32m

£731

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 27/8

17:45-19:45

1 stop18h 00m

London City

Fri 4/9

08:25-16:35

1 stop16h 10m

£736

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 7/6

13:50-16:40

1 stop18h 50m

London City

Wed 17/6

09:20-22:17

2 stops20h 57m

£782

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 29/4

17:35-18:30

1 stop16h 55m

London City

Mon 4/5

10:20-22:05

2 stops19h 45m

£785

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 12/5

13:45-09:30

1 stop11h 45m

London City

Wed 3/6

10:00-16:24

1 stop14h 24m

£788

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 12/5

13:45-09:30

1 stop11h 45m

London City

Thu 4/6

09:20-16:24

1 stop15h 04m

£788

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to London City

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

    For a flight from Seattle to London City, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London City per day. 0 airlines have flights to London City from Seattle/Tacoma Intl on a regular basis.

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

    For as low as £590, KLM can have you in London City Airport from Seattle in 11h 45m. The distance from Seattle to London City Airport is about 4794 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Bedford
Romford
Southend-on-Sea

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When you search for this flight from Seattle to London City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

Certainly. Search results for flights to London City from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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