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

SWISS, British Airways, 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.

$505 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 am - 10:37 pm

LCY

SEA

21h 22m

2 stops

9:55 am - 6:40 pm

SEA

LCY

24h 45m

2 stops

$755SWISS

Tue, Apr 14 - Thu, May 7

9:15 am - 11:28 pm

LCY

SEA

21h 13m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$764SWISS

Mon, Mar 9 - Tue, Mar 24

9:15 am - 10:43 pm

LCY

SEA

21h 28m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$769SWISS

Tue, Feb 24 - Tue, Mar 10

7:10 pm - 10:45 pm

LCY

SEA

34h 35m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$770SWISS

Mon, Mar 9 - Tue, Mar 24

7:10 pm - 10:45 pm

LCY

SEA

34h 35m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$774SWISS

Mon, Mar 9 - Tue, Mar 24

7:10 pm - 10:45 pm

LCY

SEA

34h 35m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$780SWISS

Mon, Mar 9 - Mon, Mar 23

9:20 am - 11:30 pm

LCY

SEA

22h 10m

2 stops

10:55 am - 12:55 pm

SEA

LCY

19h 00m

2 stops

$791SWISS

Wed, Mar 4 - Mon, Mar 9

9:15 am - 10:37 pm

LCY

SEA

21h 22m

2 stops

9:55 am - 5:30 pm

SEA

LCY

23h 35m

2 stops

$792SWISS

Mon, Apr 13 - Thu, May 7

6:15 pm - 1:10 pm

LCY

SEA

25h 55m

1 stop

3:00 pm - 5:35 pm

SEA

LCY

19h 35m

1 stop

$795Lufthansa

Mon, Mar 9 - Tue, Mar 24

9:15 am - 10:37 pm

LCY

SEA

21h 22m

2 stops

9:55 am - 5:30 pm

SEA

LCY

23h 35m

2 stops

$796SWISS

Thu, Apr 16 - Thu, May 7

SWISS flights from London City Airport to Seattle

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

SWISS

Apr 14

LCY9:15 amLondon City

21h 22m

2 stops

SEA10:37 pmSeattle/Tacoma Intl

May 7

SEA9:55 amSeattle/Tacoma Intl

24h 45m

2 stops

LCY6:40 pmLondon City

$755

SWISS

Mar 9

LCY9:15 amLondon City

21h 13m

2 stops

SEA11:28 pmSeattle/Tacoma Intl

Mar 24

SEA10:55 amSeattle/Tacoma Intl

19h 00m

2 stops

LCY12:55 pmLondon City

$764

SWISS

Feb 24

LCY9:15 amLondon City

21h 28m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

Mar 10

SEA10:55 amSeattle/Tacoma Intl

19h 00m

2 stops

LCY12:55 pmLondon City

$769

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Mar 9

LCY6:15 pmLondon City

25h 55m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Mar 24

SEA3:00 pmSeattle/Tacoma Intl

19h 35m

1 stop

LCY5:35 pmLondon City

$795

Lufthansa

Mar 9

LCY6:15 pmLondon City

25h 55m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Mar 23

SEA3:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$827

Lufthansa

Mar 2

LCY6:15 pmLondon City

25h 55m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Mar 16

SEA3:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$844

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 4/14

9:15 am-10:37 pm

2 stops21h 22m

Seattle/Tacoma Intl

Thu 5/7

9:55 am-6:40 pm

2 stops24h 45m

$755

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 3/9

9:15 am-11:28 pm

2 stops21h 13m

Seattle/Tacoma Intl

Tue 3/24

10:55 am-12:55 pm

2 stops19h 00m

$764

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 2/24

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Tue 3/10

10:55 am-12:55 pm

2 stops19h 00m

$769

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 3/9

7:10 pm-10:45 pm

2 stops34h 35m

Seattle/Tacoma Intl

Tue 3/24

10:55 am-12:55 pm

2 stops19h 00m

$770

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 3/9

7:10 pm-10:45 pm

2 stops34h 35m

Seattle/Tacoma Intl

Tue 3/24

10:55 am-12:55 pm

2 stops19h 00m

$774

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 3/9

7:10 pm-10:45 pm

2 stops34h 35m

Seattle/Tacoma Intl

Mon 3/23

10:55 am-12:55 pm

2 stops19h 00m

$780

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

9:20 am-11:30 pm

2 stops22h 10m

Seattle/Tacoma Intl

Mon 3/9

10:55 am-12:55 pm

2 stops19h 00m

$791

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/13

9:15 am-10:37 pm

2 stops21h 22m

Seattle/Tacoma Intl

Thu 5/7

9:55 am-5:30 pm

2 stops23h 35m

$792

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 3/9

6:15 pm-1:10 pm

1 stop25h 55m

Seattle/Tacoma Intl

Tue 3/24

3:00 pm-5:35 pm

1 stop19h 35m

$795

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 4/16

9:15 am-10:37 pm

2 stops21h 22m

Seattle/Tacoma Intl

Thu 5/7

9:55 am-5:30 pm

2 stops23h 35m

$796

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 $766. 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 $1,033.

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 $826 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $856. 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	12h 20m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 12h 20m

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 12h 20m.
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

Redmond

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Kirkland

Westport

Centralia

Fife

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.