What is the cheapest airline that flies from London City to Seattle/Tacoma Intl?

SWISS and British Airways are the most popular carriers operating from London City to Seattle/Tacoma Intl

When did momondo last update prices for flights from London City Airport to Seattle/Tacoma Intl Airport?

Prices for flights from London City Airport to Seattle/Tacoma Intl Airport were last updated today.

How old do you have to be to fly from London City Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London City Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$521 Cheap Flights from London City Airport to Seattle in 2026

Find the cheapest flights from London City Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 11:50 amLCY London City-SEA Seattle/Tacoma Intl

26h 00m1 stop Amsterdam Schiphol

11:45 am - 4:35 pmSEA Seattle/Tacoma Intl-LCY London City

20h 50m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$698KLM

Mon, Jan 11 - Mon, Feb 1

8:15 pm - 4:48 pmLCY London City-SEA Seattle/Tacoma Intl

28h 33m2 stops Amsterdam Schiphol Portland

9:36 am - 9:30 amSEA Seattle/Tacoma Intl-LCY London City

15h 54m2 stops Portland Amsterdam Schiphol

$711KLM

Fri, Oct 23 - Mon, Nov 2

8:05 pm - 5:28 pmLCY London City-SEA Seattle/Tacoma Intl

29h 23m2 stops Amsterdam Schiphol Portland

2:35 pm - 4:35 pmSEA Seattle/Tacoma Intl-LCY London City

18h 00m1 stop Amsterdam Schiphol

$723KLM

Sun, Dec 20 - Sun, Dec 27

8:05 pm - 5:28 pmLCY London City-SEA Seattle/Tacoma Intl

29h 23m2 stops Amsterdam Schiphol Portland

2:35 pm - 4:35 pmSEA Seattle/Tacoma Intl-LCY London City

18h 00m1 stop Amsterdam Schiphol

$724KLM

Sun, Dec 20 - Sun, Dec 27

7:00 pm - 11:47 amLCY London City-SEA Seattle/Tacoma Intl

24h 47m1 stop Amsterdam Schiphol

1:50 pm - 5:20 pmSEA Seattle/Tacoma Intl-LCY London City

19h 30m1 stop Amsterdam Schiphol

$729KLM

Thu, Sep 17 - Mon, Sep 21

9:15 am - 6:32 pmLCY London City-SEA Seattle/Tacoma Intl

17h 17m2 stops Zurich Vancouver Intl

1:22 pm - 5:25 pmSEA Seattle/Tacoma Intl-LCY London City

20h 03m2 stops San Francisco Zurich

$733SWISS

Tue, Sep 29 - Sat, Oct 17

9:15 am - 6:32 pmLCY London City-SEA Seattle/Tacoma Intl

17h 17m2 stops Zurich Vancouver Intl

7:00 am - 8:40 amSEA Seattle/Tacoma Intl-LCY London City

17h 40m2 stops Chicago O'Hare Intl Zurich

$733SWISS

Tue, Sep 29 - Tue, Oct 13

9:15 am - 6:32 pmLCY London City-SEA Seattle/Tacoma Intl

17h 17m2 stops Zurich Vancouver Intl

1:22 pm - 5:25 pmSEA Seattle/Tacoma Intl-LCY London City

20h 03m2 stops San Francisco Zurich

$733SWISS

Wed, Sep 30 - Sat, Oct 17

9:50 am - 8:59 pmLCY London City-SEA Seattle/Tacoma Intl

43h 09m2 stops Frankfurt am Main Toronto Pearson Intl

7:45 am - 5:40 pmSEA Seattle/Tacoma Intl-LCY London City

25h 55m2 stops Toronto Pearson Intl Frankfurt am Main

$734Multiple Airlines

Tue, Dec 29 - Wed, Jan 13

9:50 am - 8:59 pmLCY London City-SEA Seattle/Tacoma Intl

19h 09m2 stops Frankfurt am Main Toronto Pearson Intl

7:45 am - 9:15 amSEA Seattle/Tacoma Intl-LCY London City

17h 30m2 stops Toronto Pearson Intl Frankfurt am Main

$735Multiple Airlines

Thu, Feb 18 - Wed, Mar 3

Cheap last minute flights

Enter your travel dates to find the best prices.

10:00 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

1:50 pm - 9:30 amSEA Seattle/Tacoma Intl-LCY London City

11h 40m1 stop Amsterdam Schiphol

$874KLM

Wed, Sep 2 - Wed, Sep 16

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$874Delta

Wed, Sep 2 - Wed, Sep 16

9:20 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

15h 15m1 stop Amsterdam Schiphol

1:50 pm - 9:30 amSEA Seattle/Tacoma Intl-LCY London City

11h 40m1 stop Amsterdam Schiphol

$876KLM

Thu, Sep 3 - Thu, Sep 17

10:00 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

1:50 pm - 9:30 amSEA Seattle/Tacoma Intl-LCY London City

11h 40m1 stop Amsterdam Schiphol

$876KLM

Wed, Sep 2 - Thu, Sep 17

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$876Delta

Wed, Sep 2 - Wed, Sep 16

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$876Delta

Tue, Sep 1 - Tue, Sep 8

7:15 pm - 8:52 pmLCY London City-SEA Seattle/Tacoma Intl

33h 37m2 stops Madrid Barajas Chicago O'Hare Intl

6:15 am - 3:15 pmSEA Seattle/Tacoma Intl-LCY London City

25h 00m2 stops Chicago O'Hare Intl Madrid Barajas

$942Iberia

Wed, Sep 2 - Wed, Sep 16

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$947Delta

Wed, Sep 2 - Wed, Sep 16

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$948Delta

Tue, Sep 1 - Tue, Sep 8

8:25 am - 4:35 pmLCY London City-SEA Seattle/Tacoma Intl

16h 10m1 stop Amsterdam Schiphol

5:45 pm - 4:40 pmSEA Seattle/Tacoma Intl-LCY London City

14h 55m1 stop Amsterdam Schiphol

$948Delta

Wed, Sep 2 - Wed, Sep 16

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Virgin Atlantic flights from London City Airport to Seattle

Our best Virgin Atlantic deals on London City Airport to Seattle flight tickets

Virgin Atlantic

Sep 7

LCY8:15 pmLondon City

30h 50m

2 stops

SEA7:05 pmSeattle/Tacoma Intl

Sep 15

SEA5:45 pmSeattle/Tacoma Intl

18h 00m

1 stop

LCY7:45 pmLondon City

$726

Virgin Atlantic

Sep 30

LCY9:20 amLondon City

15h 15m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 11

SEA5:45 pmSeattle/Tacoma Intl

15h 35m

1 stop

LCY5:20 pmLondon City

$745

Virgin Atlantic

Oct 7

LCY8:25 amLondon City

16h 10m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 14

SEA5:45 pmSeattle/Tacoma Intl

14h 55m

1 stop

LCY4:40 pmLondon City

$753

SWISS flights from London City Airport to Seattle

Our best SWISS deals on London City Airport to Seattle flight tickets

SWISS

Sep 29

LCY9:15 amLondon City

17h 17m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 17

SEA1:22 pmSeattle/Tacoma Intl

20h 03m

2 stops

LCY5:25 pmLondon City

$733

SWISS

Oct 6

LCY7:15 pmLondon City

31h 17m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 14

SEA3:18 pmSeattle/Tacoma Intl

18h 07m

2 stops

LCY5:25 pmLondon City

$735

SWISS

Oct 13

LCY7:15 pmLondon City

31h 17m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 22

SEA7:00 amSeattle/Tacoma Intl

21h 35m

2 stops

LCY12:35 pmLondon City

$736

momondo Fare Finder

Use the filters below to find and compare flights from London City Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 1/11

5:50 pm-11:50 am

1 stop26h 00m

Seattle/Tacoma Intl

Mon 2/1

11:45 am-4:35 pm

2 stops20h 50m

$698

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Fri 10/23

8:15 pm-4:48 pm

2 stops28h 33m

Seattle/Tacoma Intl

Mon 11/2

9:36 am-9:30 am

2 stops15h 54m

$711

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Sun 12/20

8:05 pm-5:28 pm

2 stops29h 23m

Seattle/Tacoma Intl

Sun 12/27

2:35 pm-4:35 pm

1 stop18h 00m

$723

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Sun 12/20

8:05 pm-5:28 pm

2 stops29h 23m

Seattle/Tacoma Intl

Sun 12/27

2:35 pm-4:35 pm

1 stop18h 00m

$724

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 9/17

7:00 pm-11:47 am

1 stop24h 47m

Seattle/Tacoma Intl

Mon 9/21

1:50 pm-5:20 pm

1 stop19h 30m

$729

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Tue 9/29

9:15 am-6:32 pm

2 stops17h 17m

Seattle/Tacoma Intl

Sat 10/17

1:22 pm-5:25 pm

2 stops20h 03m

$733

Quickest round-trip

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Tue 9/29

9:15 am-6:32 pm

2 stops17h 17m

Seattle/Tacoma Intl

Tue 10/13

7:00 am-8:40 am

2 stops17h 40m

$733

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Wed 9/30

9:15 am-6:32 pm

2 stops17h 17m

Seattle/Tacoma Intl

Sat 10/17

1:22 pm-5:25 pm

2 stops20h 03m

$733

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Tue 12/29

9:50 am-8:59 pm

2 stops43h 09m

Seattle/Tacoma Intl

Wed 1/13

7:45 am-5:40 pm

2 stops25h 55m

$734

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 2/18

9:50 am-8:59 pm

2 stops19h 09m

Seattle/Tacoma Intl

Wed 3/3

7:45 am-9:15 am

2 stops17h 30m

$735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London City Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from London City Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $840. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from London City Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $943.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from London City Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $803 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $922. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London City Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from London City Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London City Airport to Seattle (LCY to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London City Airport to Seattle

Best Price Found	$521
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to Seattle from London City Airport in the past 72 hours is $521. The best round-trip flight deal from London City Airport to Seattle found on momondo in the last 72 hours is $698.

The fastest flight from London City Airport to Seattle takes 12h 25m

There are no direct flights from London City Airport to Seattle. There are no popular flight routes from London City Airport to Seattle.

Search flight deals

Frequently asked questions about flying from London City Airport to Seattle

How far is London City to Seattle/Tacoma Intl by plane?
A flight from London City to Seattle/Tacoma Intl will travel around 4785.6 mi. In terms of flight time, this usually takes a little over 12h 25m.
When did momondo last update prices for flights from London City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from London City Airport to Seattle/Tacoma Intl Airport were last updated today.
How old do you have to be to fly from London City Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Tukwila

Puyallup

Lynnwood

Cle Elum

Marysville

Kirkland

Centralia

Lacey

Shoreline

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Why should I use momondo to find a flight deal from London to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Seattle for you.

Can I find flights from London to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Seattle.

I’m not ready to book a flight from London to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.