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.

$484 Cheap Flights from London City Airport to Seattle in 2026

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Find the cheapest flights from London City Airport to Seattle

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One-way

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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

$523SWISS

Fri, Jan 30 - Tue, Feb 3

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

9:15 am - 9:12 pm

LCY

SEA

19h 57m

2 stops

12:35 pm - 5:05 pm

SEA

LCY

20h 30m

2 stops

$538SWISS

Mon, Jan 26 - Mon, Feb 9

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

$552Lufthansa

Fri, Feb 13 - Thu, Feb 19

9:20 am - 9:12 pm

LCY

SEA

19h 52m

2 stops

10:58 am - 12:55 pm

SEA

LCY

17h 57m

2 stops

$556SWISS

Wed, Jan 28 - Wed, Feb 4

9:20 am - 9:12 pm

LCY

SEA

19h 52m

2 stops

12:35 pm - 5:05 pm

SEA

LCY

20h 30m

2 stops

$557SWISS

Wed, Jan 28 - Tue, Feb 3

10:00 am - 8:41 am

LCY

SEA

30h 41m

2 stops

3:05 pm - 5:20 pm

SEA

LCY

18h 15m

1 stop

$563Virgin Atlantic

Mon, Jan 26 - Mon, Feb 9

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

10:00 am - 10:25 pm

LCY

SEA

20h 25m

2 stops

5:35 pm - 5:20 pm

SEA

LCY

15h 45m

1 stop

$569Virgin Atlantic

Tue, Jan 20 - Wed, Oct 7

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

$523

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 26

LCY9:15 amLondon City

19h 57m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Feb 9

SEA12:35 pmSeattle/Tacoma Intl

20h 30m

2 stops

LCY5:05 pmLondon City

$538

Virgin Atlantic flights from London City Airport to Seattle

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

Virgin Atlantic

Jan 26

LCY10:00 amLondon City

30h 41m

2 stops

SEA8:41 amSeattle/Tacoma Intl

Feb 9

SEA3:05 pmSeattle/Tacoma Intl

18h 15m

1 stop

LCY5:20 pmLondon City

$563

Virgin Atlantic

Jan 26

LCY10:00 amLondon City

30h 41m

2 stops

SEA8:41 amSeattle/Tacoma Intl

Feb 9

SEA3:05 pmSeattle/Tacoma Intl

17h 30m

1 stop

LCY4:35 pmLondon City

$564

Virgin Atlantic

Jan 20

LCY10:00 amLondon City

20h 25m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

Oct 7

SEA5:35 pmSeattle/Tacoma Intl

15h 45m

1 stop

LCY5:20 pmLondon City

$569

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

$523

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 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

$538

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

$552

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/28

9:20 am-9:12 pm

2 stops19h 52m

Seattle/Tacoma Intl

Wed 2/4

10:58 am-12:55 pm

2 stops17h 57m

$556

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/28

9:20 am-9:12 pm

2 stops19h 52m

Seattle/Tacoma Intl

Tue 2/3

12:35 pm-5:05 pm

2 stops20h 30m

$557

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-5:20 pm

1 stop18h 15m

$563

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

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 1/20

10:00 am-10:25 pm

2 stops20h 25m

Seattle/Tacoma Intl

Wed 10/7

5:35 pm-5:20 pm

1 stop15h 45m

$569

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 35m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 35m

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 35m.
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.