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

Delta, Virgin Atlantic, 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 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.

£96 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.

18:15 - 12:10LCY-SEA

25h 55m1 stop

15:00 - 17:35SEA-LCY

19h 35m1 stop

£482Lufthansa

Find Deal

Fri, 6 Mar - Tue, 10 Mar

06:45 - 16:59LCY-SEA

18h 14m1 stop

18:45 - 21:40SEA-LCY

18h 55m1 stop

£484British Airways

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Wed, 8 Apr - Wed, 22 Apr

09:15 - 22:45LCY-SEA

21h 30m2 stops

10:55 - 17:05SEA-LCY

23h 10m2 stops

£488SWISS

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Thu, 5 Mar - Tue, 10 Mar

17:05 - 11:50LCY-SEA

26h 45m1 stop

06:05 - 08:10SEA-LCY

18h 05m2 stops

£491Virgin Atlantic

Find Deal

Thu, 15 Jan - Thu, 22 Jan

20:05 - 11:50LCY-SEA

23h 45m1 stop

07:10 - 07:15SEA-LCY

16h 05m2 stops

£491Virgin Atlantic

Find Deal

Thu, 15 Jan - Thu, 22 Jan

09:15 - 21:12LCY-SEA

19h 57m2 stops

12:35 - 17:05SEA-LCY

20h 30m2 stops

£494SWISS

Find Deal

Thu, 15 Jan - Thu, 22 Jan

07:45 - 10:25LCY-SEA

34h 40m2 stops

18:00 - 16:35SEA-LCY

39h 35m2 stops

£495Delta

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Fri, 6 Mar - Tue, 10 Mar

09:25 - 18:36LCY-SEA

17h 11m2 stops

13:45 - 17:30SEA-LCY

19h 45m2 stops

£497SWISS

Find Deal

Tue, 5 May - Tue, 19 May

08:40 - 11:50LCY-SEA

35h 10m1 stop

15:05 - 17:20SEA-LCY

18h 15m1 stop

£499Virgin Atlantic

Find Deal

Thu, 29 Jan - Sun, 1 Feb

20:05 - 16:58LCY-SEA

28h 53m2 stops

06:05 - 09:30SEA-LCY

19h 25m2 stops

£501Virgin Atlantic

Find Deal

Mon, 12 Jan - Mon, 19 Jan

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 Jan

LCY17:05London City

26h 45m

1 stop

SEA11:50Seattle/Tacoma Intl

22 Jan

SEA06:05Seattle/Tacoma Intl

18h 05m

2 stops

LCY08:10London City

£491

Find similar

Virgin Atlantic

15 Jan

LCY17:05London City

26h 45m

1 stop

SEA11:50Seattle/Tacoma Intl

22 Jan

SEA15:10Seattle/Tacoma Intl

17h 25m

1 stop

LCY16:35London City

£491

Find similar

Virgin Atlantic

8 Feb

LCY20:05London City

23h 35m

1 stop

SEA11:40Seattle/Tacoma Intl

22 Feb

SEA06:00Seattle/Tacoma Intl

17h 15m

2 stops

LCY07:15London City

£508

Find similar

SWISS flights from London City Airport to Seattle

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

SWISS

5 Mar

LCY09:15London City

21h 30m

2 stops

SEA22:45Seattle/Tacoma Intl

10 Mar

SEA10:55Seattle/Tacoma Intl

23h 10m

2 stops

LCY17:05London City

£488

Find similar

SWISS

15 Jan

LCY09:15London City

21h 28m

2 stops

SEA22:43Seattle/Tacoma Intl

28 Jan

SEA10:58Seattle/Tacoma Intl

41h 57m

2 stops

LCY12:55London City

£492

Find similar

SWISS

15 Jan

LCY09:15London City

19h 57m

2 stops

SEA21:12Seattle/Tacoma Intl

22 Jan

SEA12:35Seattle/Tacoma Intl

20h 30m

2 stops

LCY17:05London City

£494

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

Fri 6/3

18:15-12:10

1 stop25h 55m

Seattle/Tacoma Intl

Tue 10/3

15:00-17:35

1 stop19h 35m

£482

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 8/4

06:45-16:59

1 stop18h 14m

Seattle/Tacoma Intl

Wed 22/4

18:45-21:40

1 stop18h 55m

£484

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 5/3

09:15-22:45

2 stops21h 30m

Seattle/Tacoma Intl

Tue 10/3

10:55-17:05

2 stops23h 10m

£488

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/1

17:05-11:50

1 stop26h 45m

Seattle/Tacoma Intl

Thu 22/1

06:05-08:10

2 stops18h 05m

£491

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/1

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Thu 22/1

07:10-07:15

2 stops16h 05m

£491

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/1

09:15-21:12

2 stops19h 57m

Seattle/Tacoma Intl

Thu 22/1

12:35-17:05

2 stops20h 30m

£494

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 6/3

07:45-10:25

2 stops34h 40m

Seattle/Tacoma Intl

Tue 10/3

18:00-16:35

2 stops39h 35m

£495

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 5/5

09:25-18:36

2 stops17h 11m

Seattle/Tacoma Intl

Tue 19/5

13:45-17:30

2 stops19h 45m

£497

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 29/1

08:40-11:50

1 stop35h 10m

Seattle/Tacoma Intl

Sun 1/2

15:05-17:20

1 stop18h 15m

£499

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

20:05-16:58

2 stops28h 53m

Seattle/Tacoma Intl

Mon 19/1

06:05-09:30

2 stops19h 25m

£501

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 £596. 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 £534. 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 £633.

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

Fastest flight time	13h 05m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 05m

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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How far is London City to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4785.6 mi away from London City. 13h 05m 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

Tukwila

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.