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Cheap flights from Seattle to London City Airport from £249

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
20 Feb — 27 Feb1
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 21 January 2026.

Tue 10/210:58
SEA
-
LCY
2 stops22h 07m
SWISS
Tue 17/209:15
LCY
-
SEA
2 stops19h 46m
SWISS
Deal found 18/1£462
Mon 9/212:35
SEA
-
LCY
2 stops20h 30m
SWISS
Mon 16/217:45
LCY
-
SEA
2 stops36h 58m
SWISS
Deal found 20/1£472
Sun 1/210:58
SEA
-
LCY
2 stops22h 12m
SWISS
Mon 23/219:10
LCY
-
SEA
2 stops35h 33m
SWISS
Deal found 19/1£473
Mon 2/315:05
SEA
-
LCY
1 stop19h 20m
Virgin Atlantic
Tue 31/320:15
LCY
-
SEA
1 stop23h 30m
Virgin Atlantic
Deal found 18/1£483
Tue 17/215:05
SEA
-
LCY
1 stop18h 15m
Virgin Atlantic
Tue 24/217:05
LCY
-
SEA
1 stop26h 35m
Virgin Atlantic
Deal found 20/1£483
Wed 25/206:10
SEA
-
LCY
2 stops18h 40m
Virgin Atlantic
Tue 3/317:05
LCY
-
SEA
1 stop26h 30m
Virgin Atlantic
Deal found 20/1£487
Thu 5/315:05
SEA
-
LCY
1 stop18h 15m
Virgin Atlantic
Thu 12/310:00
LCY
-
SEA
2 stops19h 20m
Virgin Atlantic
Deal found 19/1£491
Sun 8/212:35
SEA
-
LCY
2 stops20h 35m
SWISS
Tue 24/209:15
LCY
-
SEA
2 stops19h 46m
SWISS
Deal found 20/1£493
Mon 2/212:35
SEA
-
LCY
2 stops20h 30m
SWISS
Tue 17/209:15
LCY
-
SEA
2 stops21h 28m
SWISS
Deal found 19/1£494
Tue 31/313:45
SEA
-
LCY
1 stop11h 45m
KLM
Wed 8/409:20
LCY
-
SEA
1 stop15h 10m
KLM
Deal found 19/1£494

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 21 January 2026.

Round-trip from

£462

One-way from

£249

Popular in

June

Cheapest in

February

Average price

£482
SWISS
  • SWISS
  • 10/2-17/2
  • 4 total stops
  • 41h 53m total
  • Seattle to London
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 16h 00m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£76 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 January 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 21 January 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 10/3

07:20-08:10

2 stops17h 50m

London City

Tue 17/3

17:05-12:35

1 stop26h 30m

£487

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 2/2

12:35-17:05

2 stops20h 30m

London City

Tue 17/2

09:15-21:01

2 stops19h 46m

£494

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

17:30-16:40

1 stop15h 10m

London City

Thu 30/4

09:20-16:30

1 stop15h 10m

£494

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 5/3

15:05-19:35

1 stop20h 30m

London City

Wed 1/4

08:25-16:30

1 stop16h 05m

£495

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 27/4

17:30-19:45

1 stop18h 15m

London City

Tue 5/5

10:00-22:23

2 stops20h 23m

£502

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/2

13:17-17:05

2 stops19h 48m

London City

Sun 8/2

19:20-22:43

2 stops35h 23m

£530

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 16/4

17:30-16:40

1 stop15h 10m

London City

Wed 22/4

08:25-16:30

1 stop16h 05m

£532

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 11/2

15:05-17:20

1 stop18h 15m

London City

Wed 18/2

07:45-20:00

2 stops20h 15m

£561

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 11/2

15:05-16:35

1 stop17h 30m

London City

Thu 19/2

09:20-22:22

2 stops21h 02m

£561

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 16/4

17:30-18:30

1 stop17h 00m

London City

Wed 22/4

08:25-20:26

2 stops20h 01m

£576

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 22 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 £494, Virgin Atlantic can have you in London City Airport from Seattle in 15h 10m. 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
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
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?

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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