Cheap flights from Seattle (SEA) to London City (LCY) from $390

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — LCY
May 11 — May 181

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 May 6, 2024.

Round-trip from

$643

One-way from

$390
From Seattle/Tacoma Intl to London City
One-way flight from Seattle/Tacoma Intl to London City

How far in advance should I book a flight from Seattle to London City Airport?

Users have found that booking a flight from Seattle to London City Airport at least 8 days early can save you up to 65% on average compared to booking a flight this week. If booking 8 days before your flight isn’t an option for you, users have found flights from Seattle to London City Airport for as little as $646 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,159 for flights departing within the next 3 days.

What is the cheapest month to fly from Seattle to London City Airport?

November can be a great time to fly to London City Airport from Seattle with a flight ticket averaging about $861. Cheapflights users have found deals in the month of November for as cheap as $560. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to London City Airport (SEA - LCY)?

When flying from Seattle to London City Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap SWISS flights from Seattle to London City

Explore cheap flight options specifically provided by SWISS for the route between Seattle and London City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Take a peek at the cheapest SWISS flights we've detected traveling from Seattle to London. Come back soon if you're not finding the exact deal you're looking for.
Tue 10/11:10 pmSEA - LCY
2 stops20h 15mSWISS
Tue 10/159:25 amLCY - SEA
2 stops17h 01mSWISS
Deal found 5/5$688
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Tue 10/158:05 amLCY - SEA
2 stops18h 21mSWISS
Deal found 5/5$692
Tue 10/11:10 pmSEA - LCY
2 stops20h 15mSWISS
Wed 10/169:25 amLCY - SEA
2 stops20h 35mSWISS
Deal found 5/6$698
Wed 10/210:59 amSEA - LCY
2 stops17h 31mSWISS
Wed 10/309:25 amLCY - SEA
2 stops20h 04mSWISS
Deal found 5/5$702
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Thu 10/31:05 pmLCY - SEA
2 stops40h 55mSWISS
Deal found 5/5$715
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Tue 11/129:15 amLCY - SEA
2 stops20h 14mSWISS
Deal found 5/6$721
Sun 10/131:10 pmSEA - LCY
2 stops20h 15mSWISS
Wed 10/235:55 pmLCY - SEA
2 stops32h 31mSWISS
Deal found 5/6$734
Tue 9/101:10 pmSEA - LCY
2 stops20h 15mSWISS
Wed 9/255:55 pmLCY - SEA
2 stops32h 31mSWISS
Deal found 5/6$746
Tue 10/81:10 pmSEA - LCY
2 stops20h 15mSWISS
Sun 2/27:00 pmLCY - SEA
2 stops35h 29mSWISS
Deal found 5/5$748

Cheap KLM flights from Seattle to London City

Explore cheap flight options specifically provided by KLM for the route between Seattle and London City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Some of the best deals we've found on KLM flights traveling from Seattle to London. Make sure to examine the flight information before completing your reservation.
Sun 9/221:30 pmSEA - LCY
1 stop12h 00mKLM
Wed 10/29:20 amLCY - SEA
1 stop15h 30mKLM
Deal found 5/5$711
Tue 10/11:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 10/89:20 amLCY - SEA
1 stop15h 30mKLM
Deal found 5/5$782
Tue 5/211:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 6/410:00 amLCY - SEA
1 stop14h 35mKLM
Deal found 5/6$827
Sun 10/131:30 pmSEA - LCY
1 stop12h 00mKLM
Mon 10/219:20 amLCY - SEA
1 stop15h 30mKLM
Deal found 5/6$832
Thu 5/161:30 pmSEA - LCY
1 stop12h 00mKLM
Fri 5/249:20 amLCY - SEA
1 stop15h 20mKLM
Deal found 5/5$877
Wed 9/111:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 9/2410:00 amLCY - SEA
1 stop14h 50mKLM
Deal found 5/5$947
Thu 10/101:30 pmSEA - LCY
1 stop12h 00mKLM
Mon 10/1410:00 amLCY - SEA
1 stop14h 50mKLM
Deal found 5/4$966
Mon 8/261:30 pmSEA - LCY
1 stop12h 00mKLM
Thu 9/59:20 amLCY - SEA
1 stop15h 30mKLM
Deal found 5/6$972
Tue 5/146:10 pmSEA - LCY
1 stop17h 30mKLM
Fri 5/248:40 amLCY - SEA
1 stop16h 00mKLM
Deal found 5/6$980

Cheap Seattle to London City flights in May & June 2024

Find cheap flight options from Seattle to London City specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to London in 2024. More deals are always being added, so be sure to check back regularly.
Wed 5/81:10 pmSEA - LCY
2 stops20h 15mSWISS
Thu 6/69:25 amLCY - SEA
2 stops17h 02mSWISS
Deal found 5/5$808
Mon 5/610:49 amSEA - LCY
2 stops17h 41mSWISS
Fri 5/319:25 amLCY - SEA
2 stops20h 58mSWISS
Deal found 5/5$818
Tue 5/211:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 6/1110:00 amLCY - SEA
1 stop14h 35mKLM
Deal found 5/6$827
Wed 5/82:15 pmSEA - LCY
1 stop18h 10mLufthansa
Thu 6/69:15 amLCY - SEA
2 stops17h 12mLufthansa
Deal found 5/5$835
Tue 5/710:49 amSEA - LCY
2 stops17h 41mSWISS
Tue 5/219:25 amLCY - SEA
2 stops20h 09mSWISS
Deal found 5/5$837
Wed 5/81:10 pmSEA - LCY
2 stops20h 15mSWISS
Thu 5/169:25 amLCY - SEA
2 stops21h 02mSWISS
Deal found 5/6$838
Mon 5/61:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 5/1410:00 amLCY - SEA
1 stop14h 40mKLM
Deal found 5/6$846
Sun 5/121:10 pmSEA - LCY
2 stops20h 15mSWISS
Mon 5/208:05 amLCY - SEA
2 stops42h 40mSWISS
Deal found 5/5$851
Mon 5/62:15 pmSEA - LCY
1 stop18h 10mLufthansa
Fri 5/317:50 amLCY - SEA
2 stops17h 09mLufthansa
Deal found 5/5$855

Seattle to London City 2024 flight deals

Discover exclusive flight deals for travel between Seattle and London City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to London in 2024. More deals are always being added, so be sure to check back regularly.
Tue 10/11:10 pmSEA - LCY
2 stops20h 15mSWISS
Tue 10/158:05 amLCY - SEA
2 stops18h 21mSWISS
Deal found 5/6$688
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Tue 10/158:05 amLCY - SEA
2 stops18h 21mSWISS
Deal found 5/5$692
Tue 10/11:10 pmSEA - LCY
2 stops20h 15mSWISS
Wed 10/169:25 amLCY - SEA
2 stops20h 35mSWISS
Deal found 5/6$698
Mon 11/252:40 pmSEA - LCY
2 stops18h 25mSWISS
Tue 12/39:15 amLCY - SEA
2 stops20h 14mSWISS
Deal found 5/6$701
Wed 10/210:59 amSEA - LCY
2 stops17h 31mSWISS
Thu 10/319:25 amLCY - SEA
2 stops19h 04mSWISS
Deal found 5/5$702
Wed 10/21:30 pmSEA - LCY
1 stop12h 00mKLM
Wed 10/910:00 amLCY - SEA
1 stop14h 50mKLM
Deal found 5/6$711
Mon 10/141:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 10/2210:00 amLCY - SEA
1 stop14h 50mKLM
Deal found 5/6$712
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Thu 10/31:05 pmLCY - SEA
2 stops40h 55mSWISS
Deal found 5/5$715
Tue 9/242:08 pmSEA - LCY
2 stops19h 17mSWISS
Tue 11/129:15 amLCY - SEA
2 stops20h 14mSWISS
Deal found 5/6$721

Seattle to London City flights leaving soon

Find last-minute flight options from Seattle to London City for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Check out these flights departing soon from Seattle to London. Users should examine the flight details to ensure there are no surprises.
Wed 5/152:50 pmSEA - LCY
2 stops34h 00mSWISS
Tue 6/118:05 amLCY - SEA
2 stops18h 22mSWISS
Deal found 5/5$808
Sun 5/121:10 pmSEA - LCY
2 stops20h 15mSWISS
Tue 5/289:25 amLCY - SEA
2 stops20h 58mSWISS
Deal found 5/6$818
Wed 5/151:30 pmSEA - LCY
1 stop12h 00mKLM
Tue 6/1110:00 amLCY - SEA
1 stop14h 35mKLM
Deal found 5/5$827
Sun 5/121:10 pmSEA - LCY
2 stops20h 15mSWISS
Mon 5/208:05 amLCY - SEA
2 stops42h 40mSWISS
Deal found 5/5$851
Thu 5/161:30 pmSEA - LCY
1 stop12h 00mKLM
Fri 5/249:20 amLCY - SEA
1 stop15h 20mKLM
Deal found 5/5$877
Mon 5/131:10 pmSEA - LCY
2 stops20h 15mSWISS
Mon 5/208:05 amLCY - SEA
2 stops18h 22mSWISS
Deal found 5/5$878
Wed 5/152:50 pmSEA - LCY
2 stops34h 00mSWISS
Thu 5/239:25 amLCY - SEA
2 stops17h 02mSWISS
Deal found 5/6$908
Mon 5/132:15 pmSEA - LCY
1 stop20h 20mLufthansa
Mon 5/207:50 amLCY - SEA
2 stops18h 37mLufthansa
Deal found 5/5$909
Tue 5/142:50 pmSEA - LCY
2 stops18h 35mSWISS
Fri 5/249:25 amLCY - SEA
2 stops20h 58mSWISS
Deal found 5/6$918

One-way flights to London City from Seattle

Search for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Users in need of a one-way flight from Seattle to London can choose from these deals. Users can also find round-trip Seattle to London flights by using the search form above.
Sun 7/2111:00 pmSEA - LCY
2 stops34h 30mMultiple Airlines
Deal found 5/5$390
Sun 8/411:00 pmSEA - LCY
2 stops34h 30mMultiple Airlines
Deal found 5/5$401
Sun 8/411:00 pmSEA - LCY
2 stops34h 30mMultiple Airlines
Deal found 5/6$402
Wed 7/316:55 pmSEA - LCY
2 stops18h 40mMultiple Airlines
Deal found 5/5$403
Wed 7/246:55 pmSEA - LCY
2 stops18h 40mMultiple Airlines
Deal found 5/5$405
Wed 7/106:55 pmSEA - LCY
2 stops18h 40mMultiple Airlines
Deal found 5/5$427
Wed 7/106:55 pmSEA - LCY
2 stops18h 40mMultiple Airlines
Deal found 5/6$428
Sun 7/711:00 pmSEA - LCY
2 stops33h 25mMultiple Airlines
Deal found 5/5$476
Sun 7/711:00 pmSEA - LCY
2 stops33h 25mMultiple Airlines
Deal found 5/6$481

Find flights from Seattle to London City within your budget

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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$688 - $916

Route

Depart

Return

Price

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 10/1

2 stops20h 15m

London City

Tue 10/15

2 stops17h 01m

$688

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 9/24

2 stops19h 17m

London City

Tue 10/15

2 stops18h 21m

$692

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 10/1

2 stops20h 15m

London City

Wed 10/16

2 stops20h 35m

$698

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 9/22

1 stop12h 00m

London City

Wed 10/2

1 stop15h 30m

$711

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 9/24

1 stop20h 20m

London City

Tue 10/15

2 stops17h 09m

$739

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 10/13

2 stops28h 25m

London City

Mon 10/21

1 stop27h 15m

$767

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 9/8

1 stop14h 30m

London City

Fri 9/20

1 stop16h 10m

$769

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sat 10/26

2 stops21h 55m

London City

Wed 11/13

2 stops34h 43m

$892

Seattle/Tacoma IntlLondon City

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 9/18

1 stop14h 45m

London City

Wed 9/25

1 stop15h 56m

$916

Flights are sorted by cheapest first

Deals found on 5/5

No data available for this route at this time. Please check back soon.

Average price of flights to London City by month

Plan your trip from Seattle to London City by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to London City is currently $424 while a round-trip flight costs $764. Price data was last updated on April 28, 2024.

Currently, October is the cheapest month in which you can book a flight from Seattle to London City Airport (average of $649). Flying from Seattle to London City Airport in June is currently the most expensive (average of $1,232). 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.

January

$703

February

$731

March

$727

April

$693

May

$827

June

$1,232

July

$1,035

August

$885

September

$708

October

$649

November

$670

December

$960

Temperature and rainfall in London City by month

Plan your trip to London City by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

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 May 6, 2024.
To help decide which airline to fly from Seattle to London, see what other customers have to say about SWISS, KLM and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.1
Very good
10,818 reviews
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,602 reviews
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.8
Good
2,013 reviews
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.7
Good
740 reviews
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.2
Good
1,338 reviews
8.1
Very good
10,818 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Seattle to London City Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to London City Airport for under $700. The cheapest flight booked recently is on SWISS for just $688, but on average you can expect to pay $739.

  • Are there last-minute flights available from Seattle to London City Airport for under $900?

    There are currently 20+ open flights from Seattle to London City Airport within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Seattle to London City Airport round-trip?

    According to our current data, SWISS ($688), KLM ($711), and Lufthansa ($739) offers the cheapest pricing from Seattle to London City Airport.

  • What does SEA to LCY mean?

    SEA and LCY are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to LCY refers to a flight route from Seattle/Tacoma Intl Airport to London City Airport.

  • Can I find deals for flights from Seattle to London City that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to London City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to London City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to London City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to London City that allow pets onboard?

    Many airlines flying from Seattle to London City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to London City?

    Yes, you can often find last-minute deals on Seattle to London City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to London City Airport flight deals updated?

    The Seattle to London City Airport flight deals you see on this page were last updated on 5/6.

See more FAQs

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to London City.

Can Cheapflights find flights from Seattle to London City with no change fees?

Yes, we can. To see specific flights from Seattle to London City with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to London City become cheaper?

Yes! Start tracking prices for Seattle to London City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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