$420+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
May 19 — May 261
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to London City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to London City
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Cheapest flights from Seattle to London CityExplore 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 April 19, 2026.
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 April 19, 2026.
This KAYAK deal was found by Cheapflights users on 4/18. 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.
Tue 8/257:00 am
SEA
- LCY
2 stops27h 40m
SWISS
Thu 8/279:15 am
LCY
- SEA
2 stops22h 09m
SWISS
Deal found 4/18![SWISS logo]()
$834
This KAYAK deal was found by Cheapflights users on 4/18. 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 8/243:33 pm
SEA
- LCY
2 stops19h 07m
SWISS
Wed 8/266:00 pm
LCY
- SEA
2 stops32h 59m
SWISS
Deal found 4/18![SWISS logo]()
$884
This KAYAK deal was found by Cheapflights users on 4/18. 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.
Tue 8/252:10 pm
SEA
- LCY
1 stop19h 45m
Lufthansa
Thu 8/279:15 am
LCY
- SEA
2 stops18h 48m
Lufthansa
Deal found 4/18![Lufthansa logo]()
$899
This KAYAK deal was found by Cheapflights users on 4/18. 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 8/243:33 pm
SEA
- LCY
2 stops37h 02m
SWISS
Thu 8/279:15 am
LCY
- SEA
2 stops21h 27m
SWISS
Deal found 4/18![SWISS logo]()
$916
This KLM deal was found by Cheapflights users on 4/14. 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.
Tue 5/121:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 5/199:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/14![KLM logo]()
$931
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 8/181:50 pm
SEA
- LCY
1 stop11h 40m
Delta
Wed 9/308:25 am
LCY
- SEA
1 stop16h 10m
Delta
Deal found 4/16![Delta logo]()
$932
This Virgin Atlantic deal was found by Cheapflights users on 4/17. 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 8/181:50 pm
SEA
- LCY
1 stop20h 40m
Virgin Atlantic
Thu 8/279:20 am
LCY
- SEA
2 stops19h 28m
Virgin Atlantic
Deal found 4/17![Virgin Atlantic logo]()
$933
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:30 am
SEA
- LCY
2 stops18h 05m
SWISS
Wed 10/149:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/17![SWISS logo]()
$934
This SWISS deal was found by Cheapflights users on 4/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:00 am
SEA
- LCY
2 stops17h 35m
SWISS
Thu 10/159:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/15![SWISS logo]()
$936
This SWISS deal was found by Cheapflights users on 4/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:33 pm
SEA
- LCY
2 stops17h 52m
SWISS
Tue 10/67:15 pm
LCY
- SEA
2 stops31h 17m
SWISS
Deal found 4/16![SWISS logo]()
$938
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Tue 8/1810:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 8/259:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/16![SWISS logo]()
$940
This Virgin Atlantic deal was found by Cheapflights users on 4/15. 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 10/135:40 pm
SEA
- LCY
1 stop16h 50m
Virgin Atlantic
Wed 10/289:20 am
LCY
- SEA
2 stops21h 39m
Virgin Atlantic
Deal found 4/15![Virgin Atlantic logo]()
$941
Best flights from Seattle to London CityDiscover carefully curated flight deals from Seattle to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 19, 2026.
Discover carefully curated flight deals from Seattle to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 19, 2026.
This KLM deal was found by Cheapflights users on 4/15. 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 5/41:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Fri 5/1510:00 am
LCY
- SEA
1 stop14h 30m
KLM
Deal found 4/15![KLM logo]()
$1,036
This SWISS deal was found by Cheapflights users on 4/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
SEA
- LCY
2 stops21h 35m
SWISS
Tue 5/199:15 am
LCY
- SEA
2 stops21h 32m
SWISS
Deal found 4/14![SWISS logo]()
$1,078
This Virgin Atlantic deal was found by Cheapflights users on 4/15. 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 5/175:40 pm
SEA
- LCY
1 stop16h 50m
Virgin Atlantic
Tue 5/269:20 am
LCY
- SEA
2 stops19h 10m
Virgin Atlantic
Deal found 4/15![Virgin Atlantic logo]()
$1,162
This KLM deal was found by Cheapflights users on 4/17. 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.
Wed 5/131:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Wed 5/209:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/17![KLM logo]()
$1,065
This Virgin Atlantic deal was found by Cheapflights users on 4/16. 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 5/245:40 pm
SEA
- LCY
1 stop15h 00m
Virgin Atlantic
Tue 6/210:00 am
LCY
- SEA
2 stops19h 03m
Virgin Atlantic
Deal found 4/16![Virgin Atlantic logo]()
$1,223
This SWISS deal was found by Cheapflights users on 4/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 6/29:15 am
LCY
- SEA
2 stops19h 38m
SWISS
Deal found 4/18![SWISS logo]()
$1,240
This KLM deal was found by Cheapflights users on 4/15. 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.
Sun 5/171:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 6/98:25 am
LCY
- SEA
1 stop15h 59m
KLM
Deal found 4/15![KLM logo]()
$1,152
This KLM deal was found by Cheapflights users on 4/18. 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 5/181:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Mon 5/2510:20 am
LCY
- SEA
1 stop14h 10m
KLM
Deal found 4/18![KLM logo]()
$1,213
This KLM deal was found by Cheapflights users on 4/18. 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 5/251:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 6/29:20 am
LCY
- SEA
1 stop15h 04m
KLM
Deal found 4/18![KLM logo]()
$1,224
This KLM deal was found by Cheapflights users on 4/17. 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.
Wed 4/291:50 pm
SEA
- LCY
1 stop11h 40m
KLM
Sat 6/612:10 pm
LCY
- SEA
1 stop12h 14m
KLM
Deal found 4/17![KLM logo]()
$1,241
This KLM deal was found by Cheapflights users on 4/16. 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.
Wed 5/271:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 6/210:00 am
LCY
- SEA
1 stop14h 24m
KLM
Deal found 4/16![KLM logo]()
$1,245
This KLM deal was found by Cheapflights users on 4/17. 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.
Wed 4/221:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Sat 6/612:10 pm
LCY
- SEA
1 stop12h 14m
KLM
Deal found 4/17![KLM logo]()
$1,266
Last-minute flights from Seattle to London CityDiscover last-minute flight deals from Seattle to London City. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to London City. Data last updated April 19, 2026 and is based on user searches.
This SWISS deal was found by Cheapflights users on 4/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:48 am
SEA
- LCY
2 stops17h 47m
SWISS
Thu 4/309:15 am
LCY
- SEA
2 stops22h 14m
SWISS
Deal found 4/16![SWISS logo]()
$998
This KLM deal was found by Cheapflights users on 4/14. 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.
Wed 4/291:50 pm
SEA
- LCY
1 stop11h 40m
KLM
Wed 5/69:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/14![KLM logo]()
$1,031
This Ticket deal was found by Cheapflights users on 4/15. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 5/199:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/15![KLM logo]()
$1,020
This KLM deal was found by Cheapflights users on 4/18. 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.
Sun 5/31:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Wed 5/1310:00 am
LCY
- SEA
1 stop14h 30m
KLM
Deal found 4/18![KLM logo]()
$1,032
This Delta deal was found by Cheapflights users on 4/16. 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 5/31:45 pm
SEA
- LCY
1 stop11h 45m
Delta
Tue 5/1910:00 am
LCY
- SEA
1 stop14h 30m
Delta
Deal found 4/16![Delta logo]()
$1,033
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 5/42:10 pm
SEA
- LCY
1 stop19h 45m
Lufthansa
Wed 5/69:15 am
LCY
- SEA
2 stops21h 25m
Lufthansa
Deal found 4/17![Lufthansa logo]()
$978
This KAYAK deal was found by Cheapflights users on 4/17. 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 5/41:21 pm
SEA
- LCY
2 stops39h 14m
SWISS
Thu 5/79:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/17![SWISS logo]()
$988
This KLM deal was found by Cheapflights users on 4/14. 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.
Tue 5/121:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 5/199:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/14![KLM logo]()
$931
This KAYAK deal was found by Cheapflights users on 4/14. 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.
Wed 5/132:10 pm
SEA
- LCY
1 stop19h 45m
Lufthansa
Fri 5/159:15 am
LCY
- SEA
2 stops19h 38m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$980
This BusinessClass deal was found by Cheapflights users on 4/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
SEA
- LCY
1 stop11h 45m
Scandinavian Airlines
Wed 5/2010:00 am
LCY
- SEA
1 stop14h 30m
Scandinavian Airlines
Deal found 4/15![Scandinavian Airlines logo]()
$1,011
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 5/1710:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 6/99:15 am
LCY
- SEA
2 stops17h 18m
SWISS
Deal found 4/15![SWISS logo]()
$1,001
One-way flights from Seattle to London CitySearch for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
Search for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:40 pm
SEA
- LCY
3 stops31h 35m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 pm
SEA
- LCY
3 stops40h 50m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$421
This Flightnetwork deal was found by Cheapflights users on 4/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:40 pm
SEA
- LCY
3 stops18h 50m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 pm
SEA
- LCY
3 stops38h 20m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 pm
SEA
- LCY
3 stops29h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:25 pm
SEA
- LCY
3 stops49h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 pm
SEA
- LCY
3 stops29h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 pm
SEA
- LCY
3 stops34h 10m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$443
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:30 pm
SEA
- LCY
3 stops19h 50m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:40 pm
SEA
- LCY
3 stops17h 40m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:00 pm
SEA
- LCY
3 stops42h 35m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 pm
SEA
- LCY
3 stops34h 10m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$467
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 April 19, 2026.
Most accurate provider | Ovago 2 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $834 (KAYAK) |
One-way from | $420 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $709 |
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 April 19, 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
Cheapest round-trip
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Mon 5/4
1:45 pm-9:30 am
1 stop11h 45m
London City
Fri 5/15
10:00 am-4:30 pm
1 stop14h 30m
$1,036
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Wed 5/13
1:45 pm-9:30 am
1 stop11h 45m
London City
Wed 5/20
9:20 am-4:30 pm
1 stop15h 10m
$1,065
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Sun 5/3
7:00 am-12:35 pm
2 stops21h 35m
London City
Tue 5/19
9:15 am-10:47 pm
2 stops21h 32m
$1,078
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Sun 5/17
1:45 pm-9:30 am
1 stop11h 45m
London City
Tue 6/9
8:25 am-4:24 pm
1 stop15h 59m
$1,152
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Sun 5/17
5:40 pm-6:30 pm
1 stop16h 50m
London City
Tue 5/26
9:20 am-8:30 pm
2 stops19h 10m
$1,162
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Mon 5/18
1:45 pm-9:30 am
1 stop11h 45m
London City
Mon 5/25
10:20 am-4:30 pm
1 stop14h 10m
$1,213
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Sun 5/24
5:40 pm-4:40 pm
1 stop15h 00m
London City
Tue 6/2
10:00 am-9:03 pm
2 stops19h 03m
$1,223
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Mon 5/25
1:45 pm-9:30 am
1 stop11h 45m
London City
Tue 6/2
9:20 am-4:24 pm
1 stop15h 04m
$1,224
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Tue 5/26
10:45 am-5:25 pm
2 stops22h 40m
London City
Tue 6/2
9:15 am-8:53 pm
2 stops19h 38m
$1,240
Quickest round-trip
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Wed 4/29
1:50 pm-9:30 am
1 stop11h 40m
London City
Sat 6/6
12:10 pm-4:24 pm
1 stop12h 14m
$1,241
Showing 1-10 of 23 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- 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 90-95% 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.
SEA-LCY
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.
Reviews of airlines servicing London City
Get insights into the airlines that provide service to London City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London City. Reviews last updated April 19, 2026.
Get a feel of what it's like to fly with Scandinavian Airlines from Seattle to London City Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.7
Comfort
7.3
Boarding
7.6
Overall
7.3
Food
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Entertainment
6.7
Comfort
7.3
Boarding
7.6
Overall
7.3
Food
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
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.
Traveling to a place near London City Airport?
Book flights to London City Airport if you plan to visit one of these locationsIlford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted
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Other flights to London City
Explore flights to London City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 19, 2026.
Seattle and London City flights
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Top airline flying from Seattle to London City
Discover the top airline that operate flights from Seattle to London City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$962 | Average$1,000 | FlexibilityNo cancel fee | On-time77% |