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Cheap flights from Seattle to London City Airport from £285

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
3 Mar — 10 Mar1
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 1 February 2026.

Tue 3/315:05
SEA
-
LCY
1 stop18h 15m
Virgin Atlantic
Tue 10/317:50
LCY
-
SEA
1 stop25h 45m
Virgin Atlantic
Deal found 1/2£480
Sun 20/914:10
SEA
-
LCY
1 stop19h 45m
Lufthansa
Wed 7/1009:15
LCY
-
SEA
2 stops17h 17m
Lufthansa
Deal found 30/1£481
Mon 30/314:10
SEA
-
LCY
1 stop19h 45m
Lufthansa
Wed 8/409:15
LCY
-
SEA
2 stops19h 38m
Lufthansa
Deal found 30/1£489
Mon 2/312:32
SEA
-
LCY
2 stops20h 33m
SWISS
Mon 9/319:10
LCY
-
SEA
2 stops34h 35m
SWISS
Deal found 31/1£490
Mon 20/417:30
SEA
-
LCY
1 stop15h 10m
Delta
Thu 7/509:20
LCY
-
SEA
1 stop15h 10m
Delta
Deal found 30/1£491
Wed 25/316:05
SEA
-
LCY
1 stop17h 30m
Delta
Wed 8/410:00
LCY
-
SEA
1 stop14h 30m
Delta
Deal found 1/2£491
Tue 11/814:52
SEA
-
LCY
2 stops18h 38m
SWISS
Wed 19/819:15
LCY
-
SEA
1 stop27h 25m
SWISS
Deal found 30/1£494
Tue 29/917:35
SEA
-
LCY
1 stop16h 55m
Virgin Atlantic
Thu 22/1009:20
LCY
-
SEA
2 stops20h 44m
Virgin Atlantic
Deal found 30/1£498
Wed 25/316:05
SEA
-
LCY
1 stop18h 15m
Virgin Atlantic
Wed 1/409:20
LCY
-
SEA
2 stops20h 50m
Virgin Atlantic
Deal found 31/1£499
Tue 18/809:55
SEA
-
LCY
2 stops23h 35m
SWISS
Wed 30/909:15
LCY
-
SEA
2 stops17h 17m
SWISS
Deal found 1/2£502
Mon 16/315:00
SEA
-
LCY
1 stop19h 40m
Lufthansa
Mon 23/318:15
LCY
-
SEA
1 stop25h 55m
Lufthansa
Deal found 30/1£511

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 1 February 2026.

Round-trip from

£480

One-way from

£285

Popular in

June

Cheapest in

October

Average price

£480
Virgin Atlantic
  • Virgin Atlantic
  • 3/3-10/3
  • 2 total stops
  • 44h 00m total
  • Seattle to London
Search Deals
17/3
  • 17/3
  • 3 total stops
  • 34h 15m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£74 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 February 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 1 February 2026.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.

Fly from

Seattle

Fly to

London City

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 3/3

10:55-12:55

2 stops18h 00m

London City

Tue 10/3

19:10-22:45

2 stops34h 35m

£490

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

13:45-09:30

1 stop11h 45m

London City

Thu 30/4

10:00-16:30

1 stop14h 30m

£491

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 25/3

16:05-17:20

1 stop18h 15m

London City

Wed 1/4

19:00-11:45

1 stop24h 45m

£491

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 7/5

17:30-16:40

1 stop15h 10m

London City

Mon 11/5

19:00-11:42

1 stop24h 42m

£526

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 25/4

17:30-17:20

1 stop15h 50m

London City

Tue 5/5

09:20-16:30

1 stop15h 10m

£527

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

17:30-18:30

1 stop17h 00m

London City

Sun 26/4

20:45-11:45

1 stop23h 00m

£527

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 15/3

16:05-16:35

1 stop17h 30m

London City

Thu 2/4

10:00-16:30

1 stop14h 30m

£528

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 3/5

17:30-18:30

1 stop17h 00m

London City

Wed 13/5

08:25-19:00

2 stops18h 35m

£535

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 17/3

16:05-17:20

1 stop18h 15m

London City

Sun 22/3

17:50-12:35

1 stop25h 45m

£553

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 28/2

10:55-12:45

2 stops17h 50m

London City

Fri 13/3

09:20-23:28

2 stops21h 08m

£563

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 21 results
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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 £480, Virgin Atlantic can have you in London City Airport from Seattle in 17h 30m. 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to London City for you. Better yet — we are completely free to use.

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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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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