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Cheap flights from Seattle to London City Airport from £263

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
24 Aug — 31 Aug1
1 adult

Cheap 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 19 August 2025.

Round-trip from

£420

One-way from

£263

Popular in

June

Cheapest in

October

Average price

£506
Delta
  • Delta
  • 2/9-17/9
  • 2 total stops
  • 29h 45m total
  • Seattle to London
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14/10
  • 14/10
  • 2 total stops
  • 23h 35m 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).
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Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Seattle to London City

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 19 August 2025.

Tue 26/817:40SEA - LCY
1 stop15h 00mDelta
Thu 4/908:40LCY - SEA
1 stop15h 25mDelta
Deal found 18/8£420
Wed 24/906:00SEA - LCY
2 stops17h 15mVirgin Atlantic
Mon 29/919:00LCY - SEA
1 stop24h 45mVirgin Atlantic
Deal found 18/8£423
Mon 29/917:40SEA - LCY
1 stop15h 00mVirgin Atlantic
Wed 29/1008:40LCY - SEA
2 stops22h 17mVirgin Atlantic
Deal found 18/8£427
Tue 7/1006:00SEA - LCY
2 stops17h 15mVirgin Atlantic
Tue 21/1009:20LCY - SEA
2 stops21h 05mVirgin Atlantic
Deal found 19/8£430
Thu 9/1006:10SEA - LCY
2 stops31h 00mBritish Airways
Tue 21/1011:20LCY - SEA
2 stops41h 26mBritish Airways
Deal found 18/8£454
Fri 5/913:55SEA - LCY
1 stop13h 45mKLM
Fri 26/910:00LCY - SEA
1 stop14h 05mKLM
Deal found 19/8£457
Wed 10/915:00SEA - LCY
2 stops46h 10mBritish Airways
Thu 25/911:20LCY - SEA
2 stops41h 30mBritish Airways
Deal found 18/8£459
Mon 6/1013:35SEA - LCY
2 stops19h 05mVirgin Atlantic
Sun 19/1020:45LCY - SEA
1 stop23h 05mVirgin Atlantic
Deal found 19/8£460
Thu 11/917:40SEA - LCY
1 stop16h 50mVirgin Atlantic
Thu 18/909:20LCY - SEA
2 stops21h 05mVirgin Atlantic
Deal found 18/8£464
Tue 11/1111:34SEA - LCY
2 stops41h 01mBritish Airways
Mon 17/1117:00LCY - SEA
2 stops36h 18mBritish Airways
Deal found 18/8£472
Fri 3/1014:00SEA - LCY
1 stop13h 40mKLM
Fri 10/1010:00LCY - SEA
1 stop14h 05mKLM
Deal found 19/8£473

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 19 August 2025.
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 7/10

14:00-17:20

1 stop19h 20m

London City

Tue 21/10

09:20-16:05

1 stop14h 45m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 14/9

17:40-16:40

1 stop15h 00m

London City

Fri 26/9

10:00-16:05

1 stop14h 05m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 29/9

14:10-17:20

1 stop19h 10m

London City

Wed 29/10

17:50-12:45

1 stop25h 55m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 2/9

17:40-16:40

1 stop15h 00m

London City

Wed 17/9

09:20-16:05

1 stop14h 45m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 30/9

13:55-17:20

1 stop19h 25m

London City

Wed 29/10

20:05-12:45

1 stop23h 40m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 2/9

17:40-16:40

1 stop15h 00m

London City

Thu 11/9

08:40-16:05

1 stop15h 25m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 23/11

15:00-19:35

1 stop20h 35m

London City

Mon 8/12

18:55-11:50

1 stop24h 55m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 7/1

15:10-16:35

1 stop17h 25m

London City

Wed 14/1

17:50-11:50

1 stop26h 00m

£420

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 22/10

06:00-07:15

2 stops17h 15m

London City

Wed 5/11

20:05-11:45

1 stop23h 40m

£423

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 14/10

14:05-21:40

2 stops23h 35m

£263

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 17 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 £420, Virgin Atlantic can have you in London City Airport from Seattle in 15h. 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.

  • What is the cheapest month to book a flight from Seattle to London City Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to London City Airport (average of £161). Flying from Seattle to London City Airport in August is currently the most expensive (average of £214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Gatwick
Slough
Deal
Luton
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Winchester
Eastbourne
Chichester
Southend-on-Sea
Dartford
Guildford

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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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