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

SWISS, Virgin Atlantic, 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.

$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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9:55 am - 12:10 pm

LCY

SEA

34h 15m1 stop

2:00 pm - 5:40 pm

SEA

LCY

19h 40m1 stop

$552Lufthansa

fre., feb. 13 - tor., feb. 19

7:20 pm - 10:43 pm

LCY

SEA

35h 23m2 stops

12:32 pm - 5:10 pm

SEA

LCY

20h 38m2 stops

$557SWISS

søn., feb. 8 - søn., feb. 15

9:20 am - 10:43 pm

LCY

SEA

21h 23m2 stops

10:58 am - 12:55 pm

SEA

LCY

17h 57m2 stops

$558SWISS

fre., jan. 16 - søn., jan. 25

8:05 pm - 11:35 am

LCY

SEA

23h 30m1 stop

4:00 pm - 6:25 pm

SEA

LCY

19h 25m1 stop

$565Virgin Atlantic

man., mar. 2 - man., mar. 9

6:15 pm - 12:10 pm

LCY

SEA

25h 55m1 stop

3:00 pm - 4:40 pm

SEA

LCY

18h 40m1 stop

$568Lufthansa

tor., mar. 5 - lør., mar. 14

8:05 pm - 4:58 pm

LCY

SEA

28h 53m2 stops

6:05 am - 8:50 am

SEA

LCY

18h 45m2 stops

$570Virgin Atlantic

man., jan. 12 - man., jan. 26

8:05 pm - 4:58 pm

LCY

SEA

28h 53m2 stops

3:10 pm - 4:35 pm

SEA

LCY

17h 25m1 stop

$571Virgin Atlantic

man., jan. 12 - man., jan. 26

9:20 am - 10:43 pm

LCY

SEA

21h 23m2 stops

10:58 am - 12:55 pm

SEA

LCY

41h 57m2 stops

$572SWISS

fre., jan. 16 - tir., jan. 20

9:10 am - 9:57 pm

LCY

SEA

19h 47m2 stops

7:15 am - 8:50 am

SEA

LCY

42h 35m2 stops

$575British Airways

tir., mar. 10 - tir., mar. 17

9:10 am - 9:57 pm

LCY

SEA

19h 47m2 stops

7:15 am - 8:50 am

SEA

LCY

42h 35m2 stops

$577British Airways

tir., mar. 10 - tir., mar. 17

Virgin Atlantic flights from London City Airport to Seattle

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

Virgin Atlantic

Mar 2

LCY8:05 pmLondon City

23h 30m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Mar 9

SEA4:00 pmSeattle/Tacoma Intl

19h 25m

1 stop

LCY6:25 pmLondon City

$565

Find similar

Virgin Atlantic

Jan 12

LCY8:05 pmLondon City

28h 53m

2 stops

SEA4:58 pmSeattle/Tacoma Intl

Jan 26

SEA7:10 amSeattle/Tacoma Intl

17h 40m

2 stops

LCY8:50 amLondon City

$570

Find similar

Virgin Atlantic

Jan 12

LCY8:05 pmLondon City

28h 53m

2 stops

SEA4:58 pmSeattle/Tacoma Intl

Jan 26

SEA7:10 amSeattle/Tacoma Intl

18h 20m

2 stops

LCY9:30 amLondon City

$571

Find similar

British Airways flights from London City Airport to Seattle

Our best British Airways deals on London City Airport to Seattle flight tickets

British Airways

Mar 10

LCY9:10 amLondon City

19h 47m

2 stops

SEA9:57 pmSeattle/Tacoma Intl

Mar 17

SEA7:15 amSeattle/Tacoma Intl

42h 35m

2 stops

LCY8:50 amLondon City

$575

Find similar

British Airways

Mar 10

LCY9:10 amLondon City

19h 47m

2 stops

SEA9:57 pmSeattle/Tacoma Intl

Mar 17

SEA7:15 amSeattle/Tacoma Intl

42h 35m

2 stops

LCY8:50 amLondon City

$577

Find similar

British Airways

Mar 10

LCY9:10 amLondon City

19h 47m

2 stops

SEA9:57 pmSeattle/Tacoma Intl

Mar 17

SEA7:15 amSeattle/Tacoma Intl

42h 35m

2 stops

LCY8:50 amLondon City

$580

Find similar

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

fre. 2/13

9:55 am-12:10 pm

1 stop34h 15m

Seattle/Tacoma Intl

tor. 2/19

2:00 pm-5:40 pm

1 stop19h 40m

$552

LondonSeattle

LCY - SEA

LCYSEA

London City

søn. 2/8

7:20 pm-10:43 pm

2 stops35h 23m

Seattle/Tacoma Intl

søn. 2/15

12:32 pm-5:10 pm

2 stops20h 38m

$557

LondonSeattle

LCY - SEA

LCYSEA

London City

fre. 1/16

9:20 am-10:43 pm

2 stops21h 23m

Seattle/Tacoma Intl

søn. 1/25

10:58 am-12:55 pm

2 stops17h 57m

$558

LondonSeattle

LCY - SEA

LCYSEA

London City

man. 3/2

8:05 pm-11:35 am

1 stop23h 30m

Seattle/Tacoma Intl

man. 3/9

4:00 pm-6:25 pm

1 stop19h 25m

$565

LondonSeattle

LCY - SEA

LCYSEA

London City

tor. 3/5

6:15 pm-12:10 pm

1 stop25h 55m

Seattle/Tacoma Intl

lør. 3/14

3:00 pm-4:40 pm

1 stop18h 40m

$568

LondonSeattle

LCY - SEA

LCYSEA

London City

man. 1/12

8:05 pm-4:58 pm

2 stops28h 53m

Seattle/Tacoma Intl

man. 1/26

6:05 am-8:50 am

2 stops18h 45m

$570

LondonSeattle

LCY - SEA

LCYSEA

London City

man. 1/12

8:05 pm-4:58 pm

2 stops28h 53m

Seattle/Tacoma Intl

man. 1/26

3:10 pm-4:35 pm

1 stop17h 25m

$571

LondonSeattle

LCY - SEA

LCYSEA

London City

fre. 1/16

9:20 am-10:43 pm

2 stops21h 23m

Seattle/Tacoma Intl

tir. 1/20

10:58 am-12:55 pm

2 stops41h 57m

$572

LondonSeattle

LCY - SEA

LCYSEA

London City

tir. 3/10

9:10 am-9:57 pm

2 stops19h 47m

Seattle/Tacoma Intl

tir. 3/17

7:15 am-8:50 am

2 stops42h 35m

$575

LondonSeattle

LCY - SEA

LCYSEA

London City

tir. 3/10

9:10 am-9:57 pm

2 stops19h 47m

Seattle/Tacoma Intl

tir. 3/17

7:15 am-8:50 am

2 stops42h 35m

$577

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 $759. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday 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 $958.

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 $819 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $855. Departure times at noon 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	14h 20m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 14h 20m

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 14h 20m.
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

Federal Way

Cle Elum

Lakewood

Centralia

Fife

Westport

Kirkland

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.