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

SWISS and Delta 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.

$485 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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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 am - 10:43 pm

LCY

SEA

21h 28m2 stops

10:55 am - 12:55 pm

SEA

LCY

18h 00m2 stops

$536SWISS

Tue, Feb 24 - Tue, Mar 3

9:15 am - 10:43 pm

LCY

SEA

21h 28m2 stops

12:32 pm - 5:05 pm

SEA

LCY

20h 33m2 stops

$539SWISS

Thu, Feb 19 - Thu, Feb 26

6:15 pm - 12:10 pm

LCY

SEA

25h 55m1 stop

2:00 pm - 5:40 pm

SEA

LCY

19h 40m1 stop

$552Lufthansa

Fri, Feb 13 - Thu, Feb 19

9:15 am - 9:01 pm

LCY

SEA

19h 46m2 stops

12:32 pm - 5:05 pm

SEA

LCY

20h 33m2 stops

$554SWISS

Mon, Feb 16 - Mon, Feb 23

9:20 am - 9:12 pm

LCY

SEA

19h 52m2 stops

12:32 pm - 5:10 pm

SEA

LCY

20h 38m2 stops

$558SWISS

Wed, Feb 11 - Sun, Feb 15

10:00 am - 4:30 pm

LCY

SEA

14h 30m1 stop

5:30 pm - 4:40 pm

SEA

LCY

15h 10m1 stop

$561Virgin Atlantic

Wed, Apr 29 - Wed, May 6

1:45 pm - 12:35 pm

LCY

SEA

29h 50m1 stop

1:45 pm - 4:40 pm

SEA

LCY

18h 55m1 stop

$564Virgin Atlantic

Sun, Mar 8 - Tue, Mar 31

10:00 am - 11:40 am

LCY

SEA

33h 40m1 stop

3:05 pm - 4:35 pm

SEA

LCY

17h 30m1 stop

$565Delta

Mon, Feb 9 - Mon, Feb 16

8:40 am - 8:50 pm

LCY

SEA

20h 10m2 stops

11:15 pm - 9:30 am

SEA

LCY

26h 15m2 stops

$570Delta

Mon, Feb 9 - Tue, Feb 17

8:05 pm - 4:54 pm

LCY

SEA

28h 49m2 stops

6:05 am - 8:50 am

SEA

LCY

18h 45m2 stops

$571Virgin Atlantic

Mon, Jan 19 - Mon, Feb 2

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Feb 13

LCY6:15 pmLondon City

25h 55m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Feb 19

SEA2:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$552

Find similar

Lufthansa

Jan 30

LCY6:15 pmLondon City

25h 55m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Mar 7

SEA2:00 pmSeattle/Tacoma Intl

18h 40m

1 stop

LCY4:40 pmLondon City

$573

Find similar

Lufthansa

Jan 21

LCY6:10 pmLondon City

26h 00m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Jan 29

SEA2:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$586

Find similar

Delta flights from London City Airport to Seattle

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

Delta

Feb 9

LCY8:40 amLondon City

20h 10m

2 stops

SEA8:50 pmSeattle/Tacoma Intl

Feb 18

SEA7:25 amSeattle/Tacoma Intl

25h 10m

2 stops

LCY4:35 pmLondon City

$565

Find similar

Delta

Feb 9

LCY8:40 amLondon City

20h 10m

2 stops

SEA8:50 pmSeattle/Tacoma Intl

Feb 17

SEA11:15 pmSeattle/Tacoma Intl

26h 15m

2 stops

LCY9:30 amLondon City

$570

Find similar

Delta

Feb 12

LCY10:00 amLondon City

33h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Feb 18

SEA3:05 pmSeattle/Tacoma Intl

17h 30m

1 stop

LCY4:35 pmLondon City

$605

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

Tue 2/24

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Tue 3/3

10:55 am-12:55 pm

2 stops18h 00m

$536

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 2/19

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Thu 2/26

12:32 pm-5:05 pm

2 stops20h 33m

$539

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 2/13

6:15 pm-12:10 pm

1 stop25h 55m

Seattle/Tacoma Intl

Thu 2/19

2:00 pm-5:40 pm

1 stop19h 40m

$552

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/16

9:15 am-9:01 pm

2 stops19h 46m

Seattle/Tacoma Intl

Mon 2/23

12:32 pm-5:05 pm

2 stops20h 33m

$554

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 2/11

9:20 am-9:12 pm

2 stops19h 52m

Seattle/Tacoma Intl

Sun 2/15

12:32 pm-5:10 pm

2 stops20h 38m

$558

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 4/29

10:00 am-4:30 pm

1 stop14h 30m

Seattle/Tacoma Intl

Wed 5/6

5:30 pm-4:40 pm

1 stop15h 10m

$561

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 3/8

1:45 pm-12:35 pm

1 stop29h 50m

Seattle/Tacoma Intl

Tue 3/31

1:45 pm-4:40 pm

1 stop18h 55m

$564

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/9

10:00 am-11:40 am

1 stop33h 40m

Seattle/Tacoma Intl

Mon 2/16

3:05 pm-4:35 pm

1 stop17h 30m

$565

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/9

8:40 am-8:50 pm

2 stops20h 10m

Seattle/Tacoma Intl

Tue 2/17

11:15 pm-9:30 am

2 stops26h 15m

$570

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/19

8:05 pm-4:54 pm

2 stops28h 49m

Seattle/Tacoma Intl

Mon 2/2

6:05 am-8:50 am

2 stops18h 45m

$571

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 $918.

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 $852. 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 30m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 30m

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 30m.
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

Fife

Westport

Kirkland

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.