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Cheap flights from Seattle to London City Airport from £279

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

£482

One-way from

£279

Popular in

June

Cheapest in

October

Average price

£528
Virgin Atlantic
  • Virgin Atlantic
  • 2/12-9/12
  • 2 total stops
  • 43h 30m total
  • Seattle to London
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28/4
  • 28/4
  • 2 total stops
  • 21h 20m total
  • Seattle to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£80 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 7 November 2025.

Tue 2/1215:05SEA - LCY
1 stop17h 30mVirgin Atlantic
Tue 9/1217:50LCY - SEA
1 stop26h 00mVirgin Atlantic
Deal found 5/11£482
Thu 4/1215:05SEA - LCY
1 stop17h 30mVirgin Atlantic
Tue 9/1218:55LCY - SEA
1 stop24h 55mVirgin Atlantic
Deal found 6/11£484
Thu 4/1215:05SEA - LCY
1 stop17h 30mVirgin Atlantic
Thu 11/1208:40LCY - SEA
2 stops21h 45mVirgin Atlantic
Deal found 6/11£492
Wed 12/1113:20SEA - LCY
2 stops39h 35mSWISS
Wed 26/1109:20LCY - SEA
2 stops21h 08mSWISS
Deal found 6/11£496
Tue 25/1114:40SEA - LCY
2 stops18h 25mSWISS
Fri 5/1209:20LCY - SEA
2 stops19h 40mSWISS
Deal found 4/11£497
Sun 9/1110:53SEA - LCY
2 stops18h 02mMultiple Airlines
Tue 25/1109:50LCY - SEA
2 stops21h 54mMultiple Airlines
Deal found 6/11£504
Mon 10/1110:53SEA - LCY
2 stops18h 02mMultiple Airlines
Tue 25/1109:50LCY - SEA
2 stops21h 54mMultiple Airlines
Deal found 5/11£505
Wed 5/1110:53SEA - LCY
2 stops18h 02mSWISS
Wed 12/1109:20LCY - SEA
2 stops21h 08mSWISS
Deal found 5/11£512
Wed 3/1213:05SEA - LCY
2 stops20h 35mMultiple Airlines
Wed 10/1209:50LCY - SEA
2 stops19h 10mMultiple Airlines
Deal found 5/11£512

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 7 November 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 2/12

15:05-16:35

1 stop17h 30m

London City

Mon 8/12

17:05-11:50

1 stop26h 45m

£482

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 4/12

15:05-16:35

1 stop17h 30m

London City

Tue 9/12

18:55-11:50

1 stop24h 55m

£484

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 14/1

15:10-17:20

1 stop18h 10m

London City

Wed 28/1

17:50-11:50

1 stop26h 00m

£488

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 28/1

15:10-16:35

1 stop17h 25m

London City

Mon 2/2

17:50-11:40

1 stop25h 50m

£488

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 3/12

15:05-17:20

1 stop18h 15m

London City

Wed 10/12

09:20-22:25

2 stops21h 05m

£490

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 14/2

08:17-12:45

2 stops20h 28m

London City

Sat 21/2

12:15-20:56

2 stops40h 41m

£503

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 7/4

14:05-17:20

1 stop19h 15m

London City

Tue 14/4

08:40-15:50

1 stop15h 10m

£504

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 2/12

08:10-12:55

2 stops20h 45m

London City

Tue 9/12

09:50-21:00

2 stops19h 10m

£505

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 19/4

17:35-16:40

1 stop15h 05m

London City

Thu 30/4

07:45-15:50

1 stop16h 05m

£506

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 28/4

15:45-21:05

2 stops21h 20m

£279

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 18 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 £482, 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.

  • 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
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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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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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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