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

SWISS and British Airways 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.

$573 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.

10:00 am - 4:24 pm

LCY

SEA

14h 24m

1 stop

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

$716Virgin Atlantic

Tue, Jun 30 - Mon, Jul 13

10:00 am - 4:24 pm

LCY

SEA

14h 24m

1 stop

5:40 pm - 8:50 am

SEA

LCY

31h 10m

1 stop

$719Virgin Atlantic

Tue, Jun 30 - Sun, Jul 5

10:00 am - 4:35 pm

LCY

SEA

14h 35m

1 stop

1:50 pm - 9:30 am

SEA

LCY

11h 40m

1 stop

$726Delta

Mon, Sep 7 - Wed, Sep 16

7:00 pm - 11:37 am

LCY

SEA

24h 37m

1 stop

1:50 pm - 7:45 pm

SEA

LCY

21h 55m

1 stop

$733Virgin Atlantic

Tue, Aug 11 - Wed, Aug 19

9:20 am - 4:27 pm

LCY

SEA

15h 07m

1 stop

1:50 pm - 9:30 am

SEA

LCY

11h 40m

1 stop

$738KLM

Tue, Aug 25 - Mon, Aug 31

9:20 am - 4:20 pm

LCY

SEA

15h 00m

1 stop

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

$742KLM

Sat, Jul 4 - Tue, Jul 14

7:15 pm - 6:32 pm

LCY

SEA

31h 17m

2 stops

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$743SWISS

Mon, Sep 14 - Mon, Sep 21

9:20 am - 8:27 pm

LCY

SEA

19h 07m

2 stops

7:20 am - 9:30 am

SEA

LCY

18h 10m

2 stops

$745Virgin Atlantic

Mon, Nov 2 - Mon, Nov 9

8:25 am - 6:55 pm

LCY

SEA

18h 30m

2 stops

5:45 pm - 5:20 pm

SEA

LCY

15h 35m

1 stop

$747Virgin Atlantic

Wed, Sep 30 - Sun, Oct 11

8:25 am - 4:24 pm

LCY

SEA

15h 59m

1 stop

9:30 am - 9:30 am

SEA

LCY

16h 00m

2 stops

$752KLM

Tue, Jun 30 - Sun, Jul 5

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Sep 21

LCY6:30 pmLondon City

25h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 27

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$811

Lufthansa

Jun 18

LCY9:15 amLondon City

35h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jun 27

SEA1:30 pmSeattle/Tacoma Intl

59h 10m

2 stops

LCY8:40 amLondon City

$909

Lufthansa

Jun 19

LCY9:15 amLondon City

15h 44m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

Jun 21

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$922

Virgin Atlantic flights from London City Airport to Seattle

Our best Virgin Atlantic deals on London City Airport to Seattle flight tickets

Virgin Atlantic

Jun 30

LCY10:00 amLondon City

14h 24m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

Jul 13

SEA1:45 pmSeattle/Tacoma Intl

11h 45m

1 stop

LCY9:30 amLondon City

$716

Virgin Atlantic

Jun 30

LCY10:00 amLondon City

14h 24m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

Jul 5

SEA5:40 pmSeattle/Tacoma Intl

31h 10m

1 stop

LCY8:50 amLondon City

$719

Virgin Atlantic

Aug 11

LCY7:00 pmLondon City

24h 37m

1 stop

SEA11:37 amSeattle/Tacoma Intl

Aug 19

SEA1:50 pmSeattle/Tacoma Intl

21h 55m

1 stop

LCY7:45 pmLondon City

$733

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

Tue 6/30

10:00 am-4:24 pm

1 stop14h 24m

Seattle/Tacoma Intl

Mon 7/13

1:45 pm-9:30 am

1 stop11h 45m

$716

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 6/30

10:00 am-4:24 pm

1 stop14h 24m

Seattle/Tacoma Intl

Sun 7/5

5:40 pm-8:50 am

1 stop31h 10m

$719

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/7

10:00 am-4:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

Wed 9/16

1:50 pm-9:30 am

1 stop11h 40m

$726

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 8/11

7:00 pm-11:37 am

1 stop24h 37m

Seattle/Tacoma Intl

Wed 8/19

1:50 pm-7:45 pm

1 stop21h 55m

$733

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 8/25

9:20 am-4:27 pm

1 stop15h 07m

Seattle/Tacoma Intl

Mon 8/31

1:50 pm-9:30 am

1 stop11h 40m

$738

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 7/4

9:20 am-4:20 pm

1 stop15h 00m

Seattle/Tacoma Intl

Tue 7/14

1:45 pm-9:30 am

1 stop11h 45m

$742

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/14

7:15 pm-6:32 pm

2 stops31h 17m

Seattle/Tacoma Intl

Mon 9/21

2:10 pm-5:55 pm

1 stop19h 45m

$743

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 11/2

9:20 am-8:27 pm

2 stops19h 07m

Seattle/Tacoma Intl

Mon 11/9

7:20 am-9:30 am

2 stops18h 10m

$745

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 9/30

8:25 am-6:55 pm

2 stops18h 30m

Seattle/Tacoma Intl

Sun 10/11

5:45 pm-5:20 pm

1 stop15h 35m

$747

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 6/30

8:25 am-4:24 pm

1 stop15h 59m

Seattle/Tacoma Intl

Sun 7/5

9:30 am-9:30 am

2 stops16h 00m

$752

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 $849. 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 $985.

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 $859 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

Tukwila

Puyallup

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

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.