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

SWISS and Lufthansa 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.

$561 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.

8:25 am - 8:42 pm

LCY

SEA

20h 17m

2 stops

5:45 pm - 6:30 pm

SEA

LCY

16h 45m

1 stop

$719Virgin Atlantic

lø., sep. 26 - to., okt. 22

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

5:45 pm - 4:40 pm

SEA

LCY

14h 55m

1 stop

$720Virgin Atlantic

on., sep. 16 - ti., sep. 29

8:05 pm - 10:05 pm

LCY

SEA

34h 00m

2 stops

6:00 am - 7:15 am

SEA

LCY

17h 15m

2 stops

$725Virgin Atlantic

on., nov. 4 - on., nov. 18

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

5:45 pm - 4:40 pm

SEA

LCY

14h 55m

1 stop

$726Virgin Atlantic

to., sep. 17 - on., sep. 23

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

$729Virgin Atlantic

on., sep. 23 - on., okt. 14

6:30 pm - 11:55 am

LCY

SEA

25h 25m

1 stop

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$731Lufthansa

fr., sep. 4 - sø., sep. 20

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

11:08 pm - 7:55 am

SEA

LCY

24h 47m

2 stops

$732Virgin Atlantic

ma., sep. 14 - ma., sep. 21

6:30 pm - 11:55 am

LCY

SEA

25h 25m

1 stop

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$733Lufthansa

ma., sep. 14 - ma., sep. 21

10:00 am - 4:35 pm

LCY

SEA

14h 35m

1 stop

5:45 pm - 4:40 pm

SEA

LCY

14h 55m

1 stop

$734Virgin Atlantic

ma., sep. 28 - sø., okt. 4

10:00 am - 4:35 pm

LCY

SEA

14h 35m

1 stop

5:45 pm - 7:55 am

SEA

LCY

30h 10m

1 stop

$736Virgin Atlantic

ma., sep. 14 - sø., sep. 20

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KLM flights from London City Airport to Seattle

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

KLM

Oct 15

LCY9:20 amLondon City

15h 15m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 21

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$749

KLM

Sep 16

LCY10:00 amLondon City

14h 35m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Sep 22

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$751

KLM

Sep 24

LCY10:00 amLondon City

14h 35m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 1

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$752

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Sep 4

LCY6:30 pmLondon City

25h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 20

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$731

Lufthansa

Sep 14

LCY6:30 pmLondon City

25h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 21

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$733

Lufthansa

Sep 10

LCY9:15 amLondon City

34h 40m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 17

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$737

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 - SEA

LCYSEA

London City

lø. 9/26

8:25 am-8:42 pm

2 stops20h 17m

Seattle/Tacoma Intl

to. 10/22

5:45 pm-6:30 pm

1 stop16h 45m

$719

LondonSeattle

LCY - SEA

LCYSEA

London City

on. 9/16

9:20 am-4:35 pm

1 stop15h 15m

Seattle/Tacoma Intl

ti. 9/29

5:45 pm-4:40 pm

1 stop14h 55m

$720

LondonSeattle

LCY - SEA

LCYSEA

London City

on. 11/4

8:05 pm-10:05 pm

2 stops34h 00m

Seattle/Tacoma Intl

on. 11/18

6:00 am-7:15 am

2 stops17h 15m

$725

LondonSeattle

LCY - SEA

LCYSEA

London City

to. 9/17

9:20 am-4:35 pm

1 stop15h 15m

Seattle/Tacoma Intl

on. 9/23

5:45 pm-4:40 pm

1 stop14h 55m

$726

Quickest round-trip

LondonSeattle

LCY - SEA

LCYSEA

London City

on. 9/23

9:20 am-4:35 pm

1 stop15h 15m

Seattle/Tacoma Intl

on. 10/14

1:45 pm-9:30 am

1 stop11h 45m

$729

LondonSeattle

LCY - SEA

LCYSEA

London City

fr. 9/4

6:30 pm-11:55 am

1 stop25h 25m

Seattle/Tacoma Intl

sø. 9/20

2:10 pm-5:55 pm

1 stop19h 45m

$731

LondonSeattle

LCY - SEA

LCYSEA

London City

ma. 9/14

9:20 am-4:35 pm

1 stop15h 15m

Seattle/Tacoma Intl

ma. 9/21

11:08 pm-7:55 am

2 stops24h 47m

$732

LondonSeattle

LCY - SEA

LCYSEA

London City

ma. 9/14

6:30 pm-11:55 am

1 stop25h 25m

Seattle/Tacoma Intl

ma. 9/21

2:10 pm-5:55 pm

1 stop19h 45m

$733

LondonSeattle

LCY - SEA

LCYSEA

London City

ma. 9/28

10:00 am-4:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

sø. 10/4

5:45 pm-4:40 pm

1 stop14h 55m

$734

LondonSeattle

LCY - SEA

LCYSEA

London City

ma. 9/14

10:00 am-4:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

sø. 9/20

5:45 pm-7:55 am

1 stop30h 10m

$736

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 $841. 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 $969.

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 $844 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $883. 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

Fastest flight time	12h 25m
Direct flights	None

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.

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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

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Fife

Federal Way

Cle Elum

Marysville

Centralia

Kirkland

Shoreline

Lacey

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.