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

British Airways is the most popular carrier 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.

$563 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.

10:00 am - 4:35 pm

LCY

SEA

14h 35m

1 stop

5:45 pm - 8:15 pm

SEA

LCY

18h 30m

1 stop

$693Virgin Atlantic

Sat, Sep 5 - Sat, Sep 12

10:00 am - 4:27 pm

LCY

SEA

14h 27m

1 stop

1:50 pm - 9:30 am

SEA

LCY

11h 40m

1 stop

$694Delta

Fri, Aug 14 - Sun, Aug 30

9:20 am - 11:33 am

LCY

SEA

34h 13m

1 stop

5:45 pm - 8:50 am

SEA

LCY

31h 05m

1 stop

$695Virgin Atlantic

Mon, Jul 20 - Thu, Aug 6

10:00 am - 4:27 pm

LCY

SEA

14h 27m

1 stop

1:50 pm - 9:30 am

SEA

LCY

11h 40m

1 stop

$696KLM

Mon, Aug 17 - Mon, Aug 24

7:00 pm - 11:47 am

LCY

SEA

24h 47m

1 stop

2:30 pm - 5:20 pm

SEA

LCY

18h 50m

2 stops

$698Virgin Atlantic

Tue, Sep 1 - Tue, Sep 22

8:45 pm - 4:50 pm

LCY

SEA

28h 05m

2 stops

5:45 pm - 8:15 pm

SEA

LCY

18h 30m

1 stop

$699Virgin Atlantic

Sun, Sep 27 - Sat, Oct 17

8:25 am - 4:24 pm

LCY

SEA

15h 59m

1 stop

5:45 pm - 4:40 pm

SEA

LCY

14h 55m

1 stop

$701Delta

Fri, Jun 26 - Mon, Jun 29

10:00 am - 4:20 pm

LCY

SEA

14h 20m

1 stop

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

$702KLM

Sat, Jul 4 - Sun, Jul 12

10:00 am - 4:20 pm

LCY

SEA

14h 20m

1 stop

1:50 pm - 9:30 am

SEA

LCY

11h 40m

1 stop

$703KLM

Thu, Jul 30 - Sun, Aug 16

9:20 am - 11:37 am

LCY

SEA

34h 17m

1 stop

1:50 pm - 7:45 pm

SEA

LCY

21h 55m

1 stop

$704Virgin Atlantic

Wed, Aug 5 - Tue, Aug 11

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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

Aug 17

LCY10:00 amLondon City

14h 27m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

Aug 24

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$696

KLM

Jul 4

LCY10:00 amLondon City

14h 20m

1 stop

SEA4:20 pmSeattle/Tacoma Intl

Jul 12

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$702

KLM

Jul 30

LCY10:00 amLondon City

14h 20m

1 stop

SEA4:20 pmSeattle/Tacoma Intl

Aug 16

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$703

Delta flights from London City Airport to Seattle

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

Delta

Aug 14

LCY10:00 amLondon City

14h 27m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

Aug 30

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$694

Delta

Jun 26

LCY8:25 amLondon City

15h 59m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

Jun 29

SEA5:45 pmSeattle/Tacoma Intl

14h 55m

1 stop

LCY4:40 pmLondon City

$701

Delta

Jul 29

LCY9:20 amLondon City

15h 00m

1 stop

SEA4:20 pmSeattle/Tacoma Intl

Aug 18

SEA7:25 amSeattle/Tacoma Intl

17h 25m

2 stops

LCY8:50 amLondon City

$715

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

Sat 9/5

10:00 am-4:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

Sat 9/12

5:45 pm-8:15 pm

1 stop18h 30m

$693

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 8/14

10:00 am-4:27 pm

1 stop14h 27m

Seattle/Tacoma Intl

Sun 8/30

1:50 pm-9:30 am

1 stop11h 40m

$694

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 7/20

9:20 am-11:33 am

1 stop34h 13m

Seattle/Tacoma Intl

Thu 8/6

5:45 pm-8:50 am

1 stop31h 05m

$695

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 8/17

10:00 am-4:27 pm

1 stop14h 27m

Seattle/Tacoma Intl

Mon 8/24

1:50 pm-9:30 am

1 stop11h 40m

$696

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 9/1

7:00 pm-11:47 am

1 stop24h 47m

Seattle/Tacoma Intl

Tue 9/22

2:30 pm-5:20 pm

2 stops18h 50m

$698

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 9/27

8:45 pm-4:50 pm

2 stops28h 05m

Seattle/Tacoma Intl

Sat 10/17

5:45 pm-8:15 pm

1 stop18h 30m

$699

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 6/26

8:25 am-4:24 pm

1 stop15h 59m

Seattle/Tacoma Intl

Mon 6/29

5:45 pm-4:40 pm

1 stop14h 55m

$701

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 7/4

10:00 am-4:20 pm

1 stop14h 20m

Seattle/Tacoma Intl

Sun 7/12

1:45 pm-9:30 am

1 stop11h 45m

$702

Quickest round-trip

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 7/30

10:00 am-4:20 pm

1 stop14h 20m

Seattle/Tacoma Intl

Sun 8/16

1:50 pm-9:30 am

1 stop11h 40m

$703

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 8/5

9:20 am-11:37 am

1 stop34h 17m

Seattle/Tacoma Intl

Tue 8/11

1:50 pm-7:45 pm

1 stop21h 55m

$704

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 Sunday. momondo users have found tickets for Sunday departures for as low as $862. 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 $855 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $923. 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

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Kirkland

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.