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

Lufthansa and SWISS 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.

$555 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.

9:20 am - 8:36 pm

LCY

SEA

19h 16m

2 stops

5:45 pm - 4:40 pm

SEA

LCY

14h 55m

1 stop

$700Virgin Atlantic

Tue, Sep 22 - Wed, Oct 14

10:00 am - 11:59 pm

LCY

SEA

21h 59m

2 stops

7:20 am - 9:30 am

SEA

LCY

18h 10m

2 stops

$706Virgin Atlantic

Wed, Dec 16 - Fri, Jan 22

10:00 am - 8:50 pm

LCY

SEA

18h 50m

2 stops

1:45 pm - 7:45 pm

SEA

LCY

22h 00m

1 stop

$718Virgin Atlantic

Wed, Oct 7 - Mon, Oct 19

9:15 am - 10:45 pm

LCY

SEA

21h 30m

2 stops

10:55 am - 12:35 pm

SEA

LCY

17h 40m

2 stops

$723SWISS

Mon, Sep 14 - Mon, Sep 28

10:00 am - 10:05 pm

LCY

SEA

20h 05m

2 stops

2:35 pm - 6:25 pm

SEA

LCY

19h 50m

1 stop

$728Virgin Atlantic

Mon, Nov 2 - Sun, Nov 8

7:15 pm - 7:15 pm

LCY

SEA

32h 00m

2 stops

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$729Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

1:50 pm - 5:20 pm

SEA

LCY

19h 30m

1 stop

$740Virgin Atlantic

Mon, Sep 14 - Mon, Sep 21

10:00 am - 4:35 pm

LCY

SEA

14h 35m

1 stop

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

$743KLM

Mon, Sep 21 - Wed, Oct 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

$744Lufthansa

Mon, Sep 14 - Mon, Sep 21

9:15 am - 11:55 am

LCY

SEA

34h 40m

1 stop

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$749Lufthansa

Mon, Sep 14 - Mon, Sep 28

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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 22

LCY9:20 amLondon City

19h 16m

2 stops

SEA8:36 pmSeattle/Tacoma Intl

Oct 14

SEA5:45 pmSeattle/Tacoma Intl

14h 55m

1 stop

LCY4:40 pmLondon City

$700

Virgin Atlantic

Dec 16

LCY10:00 amLondon City

21h 59m

2 stops

SEA11:59 pmSeattle/Tacoma Intl

Jan 22

SEA7:20 amSeattle/Tacoma Intl

18h 10m

2 stops

LCY9:30 amLondon City

$706

Virgin Atlantic

Oct 7

LCY10:00 amLondon City

18h 50m

2 stops

SEA8:50 pmSeattle/Tacoma Intl

Oct 19

SEA1:45 pmSeattle/Tacoma Intl

22h 00m

1 stop

LCY7:45 pmLondon City

$718

KLM flights from London City Airport to Seattle

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

KLM

Sep 21

LCY10:00 amLondon City

14h 35m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 14

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$743

KLM

Sep 23

LCY8:25 amLondon City

16h 10m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Oct 13

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$757

KLM

Sep 7

LCY10:00 amLondon City

14h 35m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Sep 13

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$766

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

Tue 9/22

9:20 am-8:36 pm

2 stops19h 16m

Seattle/Tacoma Intl

Wed 10/14

5:45 pm-4:40 pm

1 stop14h 55m

$700

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 12/16

10:00 am-11:59 pm

2 stops21h 59m

Seattle/Tacoma Intl

Fri 1/22

7:20 am-9:30 am

2 stops18h 10m

$706

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 10/7

10:00 am-8:50 pm

2 stops18h 50m

Seattle/Tacoma Intl

Mon 10/19

1:45 pm-7:45 pm

1 stop22h 00m

$718

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

9:15 am-10:45 pm

2 stops21h 30m

Seattle/Tacoma Intl

Mon 9/28

10:55 am-12:35 pm

2 stops17h 40m

$723

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 11/2

10:00 am-10:05 pm

2 stops20h 05m

Seattle/Tacoma Intl

Sun 11/8

2:35 pm-6:25 pm

1 stop19h 50m

$728

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

7:15 pm-7:15 pm

2 stops32h 00m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-5:55 pm

1 stop19h 45m

$729

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

9:20 am-4:35 pm

1 stop15h 15m

Seattle/Tacoma Intl

Mon 9/21

1:50 pm-5:20 pm

1 stop19h 30m

$740

Quickest round-trip

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/21

10:00 am-4:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

Wed 10/14

1:45 pm-9:30 am

1 stop11h 45m

$743

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

6:30 pm-11:55 am

1 stop25h 25m

Seattle/Tacoma Intl

Mon 9/21

2:10 pm-5:55 pm

1 stop19h 45m

$744

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

9:15 am-11:55 am

1 stop34h 40m

Seattle/Tacoma Intl

Mon 9/28

2:10 pm-5:55 pm

1 stop19h 45m

$749

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 $848. 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 $957.

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 $846 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $897. 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

Tukwila

Puyallup

Fife

Federal Way

Cle Elum

Marysville

Kirkland

Centralia

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.