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.

$471 Cheap Flights from London City Airport to Seattle in 2026

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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.

8:00 am - 2:40 pm

LCY

SEA

14h 40m

1 stop

4:35 pm - 6:40 pm

SEA

LCY

18h 05m

1 stop

$761SWISS

lun., sept. 7 - lun., sept. 14

9:15 am - 8:57 pm

LCY

SEA

19h 42m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$785SWISS

mer., avr. 22 - lun., avr. 27

7:15 pm - 10:42 pm

LCY

SEA

35h 27m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$787SWISS

lun., avr. 13 - lun., avr. 27

7:15 pm - 10:42 pm

LCY

SEA

35h 27m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$799SWISS

lun., avr. 13 - lun., avr. 27

9:15 am - 10:42 pm

LCY

SEA

21h 27m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$802SWISS

lun., avr. 13 - lun., avr. 27

9:15 am - 10:42 pm

LCY

SEA

21h 27m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$807SWISS

lun., avr. 13 - lun., avr. 27

9:15 am - 11:27 pm

LCY

SEA

22h 12m

2 stops

1:21 pm - 5:30 pm

SEA

LCY

20h 09m

2 stops

$809SWISS

lun., avr. 27 - lun., mai 4

6:30 pm - 11:55 am

LCY

SEA

25h 25m

1 stop

4:30 pm - 5:25 pm

SEA

LCY

16h 55m

1 stop

$811Multiple Airlines

mer., sept. 2 - sam., sept. 12

9:15 am - 11:27 pm

LCY

SEA

22h 12m

2 stops

10:48 am - 12:35 pm

SEA

LCY

17h 47m

2 stops

$818SWISS

mer., avr. 15 - mar., avr. 21

9:15 am - 10:44 pm

LCY

SEA

21h 29m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$822SWISS

ven., avr. 24 - lun., avr. 27

Delta flights from London City Airport to Seattle

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

Delta

Jun 8

LCY8:25 amLondon City

15h 59m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

Jun 29

SEA1:50 pmSeattle/Tacoma Intl

11h 40m

1 stop

LCY9:30 amLondon City

$861

Delta

Jun 11

LCY8:25 amLondon City

15h 59m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

Jul 5

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$911

Delta

Apr 10

LCY10:00 amLondon City

14h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 16

SEA5:35 pmSeattle/Tacoma Intl

15h 05m

1 stop

LCY4:40 pmLondon City

$919

SWISS flights from London City Airport to Seattle

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

SWISS

Sep 7

LCY8:00 amLondon City

14h 40m

1 stop

SEA2:40 pmSeattle/Tacoma Intl

Sep 14

SEA4:35 pmSeattle/Tacoma Intl

18h 05m

1 stop

LCY6:40 pmLondon City

$761

SWISS

Apr 22

LCY9:15 amLondon City

19h 42m

2 stops

SEA8:57 pmSeattle/Tacoma Intl

Apr 27

SEA7:00 amSeattle/Tacoma Intl

21h 35m

2 stops

LCY12:35 pmLondon City

$785

SWISS

Apr 13

LCY7:15 pmLondon City

35h 27m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

Apr 27

SEA7:00 amSeattle/Tacoma Intl

21h 35m

2 stops

LCY12:35 pmLondon City

$787

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

Quickest round-trip

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 9/7

8:00 am-2:40 pm

1 stop14h 40m

Seattle/Tacoma Intl

lun. 9/14

4:35 pm-6:40 pm

1 stop18h 05m

$761

LondonSeattle

LCY - SEA

LCYSEA

London City

mer. 4/22

9:15 am-8:57 pm

2 stops19h 42m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$785

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 4/13

7:15 pm-10:42 pm

2 stops35h 27m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$787

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 4/13

7:15 pm-10:42 pm

2 stops35h 27m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$799

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 4/13

9:15 am-10:42 pm

2 stops21h 27m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$802

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 4/13

9:15 am-10:42 pm

2 stops21h 27m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$807

LondonSeattle

LCY - SEA

LCYSEA

London City

lun. 4/27

9:15 am-11:27 pm

2 stops22h 12m

Seattle/Tacoma Intl

lun. 5/4

1:21 pm-5:30 pm

2 stops20h 09m

$809

LondonSeattle

LCY - SEA

LCYSEA

London City

mer. 9/2

6:30 pm-11:55 am

1 stop25h 25m

Seattle/Tacoma Intl

sam. 9/12

4:30 pm-5:25 pm

1 stop16h 55m

$811

LondonSeattle

LCY - SEA

LCYSEA

London City

mer. 4/15

9:15 am-11:27 pm

2 stops22h 12m

Seattle/Tacoma Intl

mar. 4/21

10:48 am-12:35 pm

2 stops17h 47m

$818

LondonSeattle

LCY - SEA

LCYSEA

London City

ven. 4/24

9:15 am-10:44 pm

2 stops21h 29m

Seattle/Tacoma Intl

lun. 4/27

7:00 am-12:35 pm

2 stops21h 35m

$822

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 $772. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,046.

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 $834 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $867. 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 25m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 25m

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 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

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

Tumwater

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.