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$320+ Cheap flights from Seattle (SEA) to London City (LCY)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find cheap flights from Seattle to London City with Cheapflights

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Cheap 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 July 27, 2026.

This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:16 pm
SEA
-
LCY
2 stops39h 34m
SWISS
Thu 11/59:15 am
LCY
-
SEA
2 stops21h 44m
SWISS
Deal found 7/26$787
This Virgin Atlantic deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:35 pm
SEA
-
LCY
1 stop18h 00m
Virgin Atlantic
Mon 11/236:55 pm
LCY
-
SEA
1 stop24h 52m
Virgin Atlantic
Deal found 7/23$875
This Virgin Atlantic deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm
SEA
-
LCY
1 stop21h 00m
Virgin Atlantic
Mon 11/95:05 pm
LCY
-
SEA
1 stop26h 42m
Virgin Atlantic
Deal found 7/25$876
This Virgin Atlantic deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm
SEA
-
LCY
1 stop21h 00m
Virgin Atlantic
Wed 11/115:50 pm
LCY
-
SEA
1 stop25h 57m
Virgin Atlantic
Deal found 7/26$877
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:25 pm
SEA
-
LCY
1 stop18h 10m
Delta
Wed 11/410:00 am
LCY
-
SEA
1 stop33h 47m
Delta
Deal found 7/24$879
This Virgin Atlantic deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:25 am
SEA
-
LCY
2 stops17h 05m
Virgin Atlantic
Wed 11/188:05 pm
LCY
-
SEA
1 stop23h 42m
Virgin Atlantic
Deal found 7/26$881
This Virgin Atlantic deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:35 pm
SEA
-
LCY
1 stop18h 00m
Virgin Atlantic
Fri 1/158:40 am
LCY
-
SEA
2 stops21h 25m
Virgin Atlantic
Deal found 7/24$885
This Virgin Atlantic deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:25 pm
SEA
-
LCY
1 stop18h 10m
Virgin Atlantic
Thu 11/57:45 am
LCY
-
SEA
2 stops22h 20m
Virgin Atlantic
Deal found 7/23$886
This Virgin Atlantic deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:35 pm
SEA
-
LCY
1 stop18h 45m
Virgin Atlantic
Wed 12/1610:00 am
LCY
-
SEA
2 stops21h 59m
Virgin Atlantic
Deal found 7/24$887
This Virgin Atlantic deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm
SEA
-
LCY
1 stop21h 00m
Virgin Atlantic
Fri 12/118:40 am
LCY
-
SEA
2 stops21h 32m
Virgin Atlantic
Deal found 7/23$888
This Virgin Atlantic deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am
SEA
-
LCY
2 stops18h 15m
Virgin Atlantic
Wed 11/410:00 am
LCY
-
SEA
2 stops20h 03m
Virgin Atlantic
Deal found 7/23$890

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 July 27, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$787
(KAYAK)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,030
Provider with most accurate pricing for Seattle/Tacoma Intl-London City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London City flights.
Search Deals
From Seattle/Tacoma Intl to London City
Search Deals
One-way flight from Seattle/Tacoma Intl to London City
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 27, 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

Cheapest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 11/9

2:35 pm-6:25 pm

1 stop19h 50m

London City

Mon 11/23

6:55 pm-11:47 am

1 stop24h 52m

$877

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 11/11

8:25 am-8:10 am

2 stops15h 45m

London City

Thu 11/19

7:45 am-7:23 pm

2 stops19h 38m

$892

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 9/7

5:45 pm-4:40 pm

1 stop14h 55m

London City

Tue 9/22

8:25 am-4:35 pm

1 stop16h 10m

$928

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 10/20

1:45 pm-4:40 pm

1 stop18h 55m

London City

Tue 10/27

7:45 am-10:05 pm

2 stops21h 20m

$936

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 11/8

2:35 pm-6:25 pm

1 stop19h 50m

London City

Sat 11/14

10:00 am-10:05 pm

2 stops20h 05m

$937

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 1/17

7:20 am-9:30 am

2 stops18h 10m

London City

Sat 1/23

10:00 am-10:05 pm

2 stops20h 05m

$951

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 10/15

5:45 pm-5:20 pm

1 stop15h 35m

London City

Thu 10/29

8:40 am-10:49 pm

2 stops21h 09m

$986

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 10/14

1:45 pm-5:20 pm

1 stop19h 35m

London City

Sun 10/18

8:45 pm-4:48 pm

2 stops28h 03m

$987

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 9/13

1:50 pm-9:30 am

1 stop11h 40m

London City

Sat 9/19

10:00 am-4:35 pm

1 stop14h 35m

$1,003

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 9/13

1:50 pm-9:30 am

1 stop11h 40m

London City

Sat 9/19

10:00 am-4:35 pm

1 stop14h 35m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Seattle to London City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to London City in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-London City Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-London City Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-London City Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to London City from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to London City should be relatively easy as there are 0 daily outbound flights to London City from 0 different airlines.

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

    A quick flight from Seattle to London City Airport can take about 18h. SWISS provides one of the quickest options available for as low as $875. Seattle and London City Airport are separated by a distance of 4794 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
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Gatwick
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Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
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Luton
Harlow

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