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$353+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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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 June 11, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/9. 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 8/195:30 am
SEA
-
LCY
2 stops20h 00m
Virgin Atlantic
Fri 8/219:20 am
LCY
-
SEA
2 stops20h 25m
Virgin Atlantic
Deal found 6/9$872
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:45 am
SEA
-
LCY
2 stops23h 55m
SWISS
Tue 8/259:15 am
LCY
-
SEA
2 stops17h 17m
SWISS
Deal found 6/10$878
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 9/85:45 pm
SEA
-
LCY
1 stop18h 00m
Virgin Atlantic
Wed 9/168:25 am
LCY
-
SEA
1 stop16h 10m
Virgin Atlantic
Deal found 6/10$879
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:50 pm
SEA
-
LCY
1 stop11h 40m
KLM
Wed 9/239:20 am
LCY
-
SEA
1 stop15h 15m
KLM
Deal found 6/9$880
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 9/75:45 pm
SEA
-
LCY
1 stop14h 55m
Delta
Thu 9/1710:00 am
LCY
-
SEA
1 stop33h 47m
Delta
Deal found 6/8$881
This Virgin Atlantic deal was found by Cheapflights users on 6/8. 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 9/155:45 pm
SEA
-
LCY
1 stop15h 35m
Virgin Atlantic
Tue 9/2210:00 am
LCY
-
SEA
2 stops16h 55m
Virgin Atlantic
Deal found 6/8$882
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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 9/222:30 pm
SEA
-
LCY
2 stops18h 10m
Virgin Atlantic
Tue 9/297:00 pm
LCY
-
SEA
1 stop24h 47m
Virgin Atlantic
Deal found 6/11$884
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:10 pm
SEA
-
LCY
1 stop19h 45m
Lufthansa
Thu 9/179:15 am
LCY
-
SEA
2 stops17h 17m
Lufthansa
Deal found 6/8$887
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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 10/137:20 am
SEA
-
LCY
2 stops18h 10m
Virgin Atlantic
Thu 10/297:45 am
LCY
-
SEA
2 stops21h 19m
Virgin Atlantic
Deal found 6/11$894

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 June 11, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$872
(Virgin Atlantic)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,169
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 ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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 9/14

5:45 pm-4:40 pm

1 stop14h 55m

London City

Thu 9/24

10:00 am-4:35 pm

1 stop14h 35m

$879
Quickest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 9/21

1:50 pm-9:30 am

1 stop11h 40m

London City

Thu 9/24

10:00 am-4:35 pm

1 stop14h 35m

$881

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 9/30

1:19 pm-5:25 pm

2 stops20h 06m

London City

Wed 10/14

9:15 am-6:32 pm

2 stops17h 17m

$936

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 9/20

6:00 am-7:55 am

2 stops17h 55m

London City

Sat 9/26

10:00 am-6:55 pm

2 stops16h 55m

$936

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 8/8

5:45 pm-8:15 pm

1 stop18h 30m

London City

Mon 8/31

5:50 pm-11:47 am

1 stop25h 57m

$978

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Fri 8/7

1:50 pm-9:30 am

1 stop11h 40m

London City

Mon 8/24

5:50 pm-11:37 am

1 stop25h 47m

$1,003

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 9/9

1:50 pm-9:30 am

1 stop11h 40m

London City

Wed 9/23

9:20 am-4:35 pm

1 stop15h 15m

$1,006

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 8/25

7:00 am-8:40 am

2 stops17h 40m

London City

Wed 9/9

9:15 am-6:32 pm

2 stops17h 17m

$1,018

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Fri 8/28

5:30 am-9:30 am

2 stops20h 00m

London City

Wed 1/20

5:50 pm-11:50 am

1 stop26h 00m

$1,018

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 8/22

1:50 pm-8:15 pm

1 stop22h 25m

London City

Sat 9/5

10:00 am-11:20 pm

2 stops21h 20m

$1,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 22 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 June.
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 14h 55m. Delta provides one of the quickest options available for as low as $879. 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
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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