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

SWISS and Virgin Atlantic 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.

$483 Cheap Flights from London City Airport to Seattle in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

9:20 am - 10:43 pm

LCY

SEA

21h 23m

2 stops

12:35 pm - 5:05 pm

SEA

LCY

20h 30m

2 stops

$524SWISS

Fri, Jan 30 - Tue, Feb 3

5:50 pm - 11:40 am

LCY

SEA

25h 50m

1 stop

3:05 pm - 4:35 pm

SEA

LCY

17h 30m

1 stop

$531Virgin Atlantic

Mon, Feb 23 - Mon, Mar 2

9:15 am - 9:12 pm

LCY

SEA

19h 57m

2 stops

10:55 am - 12:55 pm

SEA

LCY

42h 00m

2 stops

$536SWISS

Tue, Jan 27 - Tue, Feb 17

9:15 am - 9:12 pm

LCY

SEA

19h 57m

2 stops

12:35 pm - 5:05 pm

SEA

LCY

20h 30m

2 stops

$539SWISS

Mon, Jan 26 - Mon, Feb 9

9:55 am - 12:10 pm

LCY

SEA

34h 15m

1 stop

2:00 pm - 5:40 pm

SEA

LCY

19h 40m

1 stop

$549Lufthansa

Fri, Feb 13 - Thu, Feb 19

9:55 am - 12:10 pm

LCY

SEA

34h 15m

1 stop

2:00 pm - 5:40 pm

SEA

LCY

19h 40m

1 stop

$552Lufthansa

Fri, Feb 13 - Thu, Feb 19

9:15 am - 10:43 pm

LCY

SEA

21h 28m

2 stops

10:52 am - 12:35 pm

SEA

LCY

17h 43m

2 stops

$555SWISS

Mon, Feb 9 - Thu, Apr 30

8:05 pm - 11:40 am

LCY

SEA

23h 35m

1 stop

3:05 pm - 5:20 pm

SEA

LCY

18h 15m

1 stop

$557Virgin Atlantic

Mon, Feb 9 - Mon, Feb 16

5:50 pm - 11:40 am

LCY

SEA

25h 50m

1 stop

3:05 pm - 4:35 pm

SEA

LCY

17h 30m

1 stop

$562Virgin Atlantic

Tue, Feb 3 - Tue, Feb 24

10:00 am - 8:41 am

LCY

SEA

30h 41m

2 stops

3:05 pm - 4:35 pm

SEA

LCY

17h 30m

1 stop

$564Virgin Atlantic

Mon, Jan 26 - Mon, Feb 9

KLM flights from London City Airport to Seattle

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

KLM

Apr 15

LCY10:00 amLondon City

14h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 27

SEA9:00 amSeattle/Tacoma Intl

15h 50m

2 stops

LCY8:50 amLondon City

$569

KLM

Feb 17

LCY8:05 pmLondon City

23h 35m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Feb 27

SEA9:45 amSeattle/Tacoma Intl

15h 45m

2 stops

LCY9:30 amLondon City

$594

KLM

Apr 16

LCY10:00 amLondon City

14h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 27

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$616

SWISS flights from London City Airport to Seattle

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

SWISS

Jan 30

LCY9:20 amLondon City

21h 23m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

Feb 3

SEA12:35 pmSeattle/Tacoma Intl

20h 30m

2 stops

LCY5:05 pmLondon City

$524

SWISS

Jan 27

LCY9:15 amLondon City

19h 57m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Feb 17

SEA10:55 amSeattle/Tacoma Intl

42h 00m

2 stops

LCY12:55 pmLondon City

$536

SWISS

Apr 14

LCY7:15 pmLondon City

31h 45m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

May 5

SEA9:55 amSeattle/Tacoma Intl

24h 45m

2 stops

LCY6:40 pmLondon City

$538

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

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 1/30

9:20 am-10:43 pm

2 stops21h 23m

Seattle/Tacoma Intl

Tue 2/3

12:35 pm-5:05 pm

2 stops20h 30m

$524

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/23

5:50 pm-11:40 am

1 stop25h 50m

Seattle/Tacoma Intl

Mon 3/2

3:05 pm-4:35 pm

1 stop17h 30m

$531

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 1/27

9:15 am-9:12 pm

2 stops19h 57m

Seattle/Tacoma Intl

Tue 2/17

10:55 am-12:55 pm

2 stops42h 00m

$536

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/26

9:15 am-9:12 pm

2 stops19h 57m

Seattle/Tacoma Intl

Mon 2/9

12:35 pm-5:05 pm

2 stops20h 30m

$539

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 2/13

9:55 am-12:10 pm

1 stop34h 15m

Seattle/Tacoma Intl

Thu 2/19

2:00 pm-5:40 pm

1 stop19h 40m

$549

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 2/13

9:55 am-12:10 pm

1 stop34h 15m

Seattle/Tacoma Intl

Thu 2/19

2:00 pm-5:40 pm

1 stop19h 40m

$552

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/9

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Thu 4/30

10:52 am-12:35 pm

2 stops17h 43m

$555

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/9

8:05 pm-11:40 am

1 stop23h 35m

Seattle/Tacoma Intl

Mon 2/16

3:05 pm-5:20 pm

1 stop18h 15m

$557

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 2/3

5:50 pm-11:40 am

1 stop25h 50m

Seattle/Tacoma Intl

Tue 2/24

3:05 pm-4:35 pm

1 stop17h 30m

$562

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/26

10:00 am-8:41 am

2 stops30h 41m

Seattle/Tacoma Intl

Mon 2/9

3:05 pm-4:35 pm

1 stop17h 30m

$564

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $751. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,012.

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

Flying to Seattle from London City Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $812 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $848. Departure times in the morning 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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 30m

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

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 13h 30m.
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

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

Why use momondo?

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.