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

Iberia, Aer Lingus, 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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£95 Cheap Flights from London City Airport to Seattle in 2025/26

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Find the cheapest flights from London City Airport to Seattle

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 22:28LCY-SEA

21h 13m2 stops

15:37 - 17:05SEA-LCY

17h 28m2 stops

£495SWISS

Find Deal

Tue, 18 Nov - Mon, 24 Nov

09:15 - 21:12LCY-SEA

19h 57m2 stops

12:35 - 17:05SEA-LCY

20h 30m2 stops

£497SWISS

Find Deal

Mon, 12 Jan - Tue, 27 Jan

09:50 - 00:59LCY-SEA

23h 09m2 stops

13:05 - 16:40SEA-LCY

19h 35m2 stops

£512Multiple Airlines

Find Deal

Tue, 25 Nov - Wed, 10 Dec

09:50 - 22:28LCY-SEA

44h 38m2 stops

10:05 - 16:40SEA-LCY

22h 35m2 stops

£515Lufthansa

Find Deal

Wed, 12 Nov - Wed, 19 Nov

19:10 - 18:52LCY-SEA

31h 42m2 stops

10:53 - 12:55SEA-LCY

18h 02m2 stops

£520Multiple Airlines

Find Deal

Tue, 11 Nov - Thu, 27 Nov

20:05 - 11:50LCY-SEA

23h 45m1 stop

15:05 - 19:35SEA-LCY

20h 30m1 stop

£523Virgin Atlantic

Find Deal

Mon, 15 Dec - Tue, 30 Dec

07:45 - 20:50LCY-SEA

21h 05m2 stops

08:05 - 08:10SEA-LCY

16h 05m2 stops

£527Virgin Atlantic

Find Deal

Mon, 15 Dec - Tue, 30 Dec

18:15 - 19:16LCY-SEA

33h 01m2 stops

14:00 - 17:40SEA-LCY

19h 40m1 stop

£543Lufthansa

Find Deal

Tue, 18 Nov - Mon, 24 Nov

10:00 - 11:45LCY-SEA

33h 45m1 stop

07:20 - 09:30SEA-LCY

18h 10m2 stops

£565Delta

Find Deal

Thu, 13 Nov - Mon, 17 Nov

08:40 - 22:23LCY-SEA

21h 43m2 stops

07:20 - 08:10SEA-LCY

16h 50m2 stops

£569Delta

Find Deal

Thu, 13 Nov - Mon, 17 Nov

Virgin Atlantic flights from London City Airport to Seattle

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

Virgin Atlantic

15 Dec

LCY20:05London City

23h 45m

1 stop

SEA11:50Seattle/Tacoma Intl

30 Dec

SEA15:05Seattle/Tacoma Intl

20h 30m

1 stop

LCY19:35London City

£523

Find similar

Virgin Atlantic

15 Dec

LCY07:45London City

21h 05m

2 stops

SEA20:50Seattle/Tacoma Intl

30 Dec

SEA08:05Seattle/Tacoma Intl

16h 05m

2 stops

LCY08:10London City

£527

Find similar

Virgin Atlantic

12 Jan

LCY17:05London City

26h 45m

1 stop

SEA11:50Seattle/Tacoma Intl

27 Jan

SEA07:20Seattle/Tacoma Intl

15h 55m

2 stops

LCY07:15London City

£529

Find similar

SWISS flights from London City Airport to Seattle

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

SWISS

18 Nov

LCY09:15London City

21h 13m

2 stops

SEA22:28Seattle/Tacoma Intl

24 Nov

SEA15:37Seattle/Tacoma Intl

17h 28m

2 stops

LCY17:05London City

£495

Find similar

SWISS

12 Jan

LCY09:15London City

19h 57m

2 stops

SEA21:12Seattle/Tacoma Intl

27 Jan

SEA12:35Seattle/Tacoma Intl

20h 30m

2 stops

LCY17:05London City

£497

Find similar

SWISS

18 Nov

LCY09:15London City

19h 36m

2 stops

SEA20:51Seattle/Tacoma Intl

25 Nov

SEA14:40Seattle/Tacoma Intl

18h 25m

2 stops

LCY17:05London City

£500

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 18/11

09:15-22:28

2 stops21h 13m

Seattle/Tacoma Intl

Mon 24/11

15:37-17:05

2 stops17h 28m

£495

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

09:15-21:12

2 stops19h 57m

Seattle/Tacoma Intl

Tue 27/1

12:35-17:05

2 stops20h 30m

£497

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 25/11

09:50-00:59

2 stops23h 09m

Seattle/Tacoma Intl

Wed 10/12

13:05-16:40

2 stops19h 35m

£512

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 12/11

09:50-22:28

2 stops44h 38m

Seattle/Tacoma Intl

Wed 19/11

10:05-16:40

2 stops22h 35m

£515

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 11/11

19:10-18:52

2 stops31h 42m

Seattle/Tacoma Intl

Thu 27/11

10:53-12:55

2 stops18h 02m

£520

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 15/12

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Tue 30/12

15:05-19:35

1 stop20h 30m

£523

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 15/12

07:45-20:50

2 stops21h 05m

Seattle/Tacoma Intl

Tue 30/12

08:05-08:10

2 stops16h 05m

£527

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 18/11

18:15-19:16

2 stops33h 01m

Seattle/Tacoma Intl

Mon 24/11

14:00-17:40

1 stop19h 40m

£543

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 13/11

10:00-11:45

1 stop33h 45m

Seattle/Tacoma Intl

Mon 17/11

07:20-09:30

2 stops18h 10m

£565

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 13/11

08:40-22:23

2 stops21h 43m

Seattle/Tacoma Intl

Mon 17/11

07:20-08:10

2 stops16h 50m

£569

Flights are sorted by cheapest return 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?

According to our data, Wednesday is the cheapest day to fly to Seattle from London City Airport. The lowest ticket price found for a Wednesday departure recently was £593. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Sunday is £685.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from London City Airport to Seattle in the evening for as low as £525. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £631.

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 return 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

Direct flights	None

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?
Seattle/Tacoma Intl is 4785.6 mi away from London City. 19h 01m is a normal flight duration for this route.
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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Fife

Renton

SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from London to Seattle?

It is quick and easy to find London to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from London to Seattle with flexible booking policies on momondo?

Flights from London to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from London.

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.