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

SWISS, Lufthansa, and Virgin Atlantic 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.

£94 Cheap Flights from London City Airport to Seattle in 2025

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Find the cheapest flights from London City Airport to Seattle

Round-trip

One-way

Last minute

Cheap return flights

09:25 - 18:36LCY-SEA

17h 11m2 stops

10:55 - 17:15SEA-LCY

22h 20m2 stops

£504SWISS

Find Deal

Tue, 9 Sep - Wed, 24 Sep

19:30 - 14:50LCY-SEA

27h 20m1 stop

16:25 - 18:45SEA-LCY

18h 20m1 stop

£510SWISS

Find Deal

Fri, 12 Sep - Mon, 15 Sep

18:15 - 12:10LCY-SEA

25h 55m1 stop

14:00 - 17:40SEA-LCY

19h 40m1 stop

£511Lufthansa

Find Deal

Thu, 13 Nov - Mon, 17 Nov

08:40 - 16:05LCY-SEA

15h 25m1 stop

14:00 - 17:20SEA-LCY

19h 20m1 stop

£512Virgin Atlantic

Find Deal

Wed, 8 Oct - Tue, 14 Oct

18:15 - 22:45LCY-SEA

60h 30m2 stops

14:00 - 16:40SEA-LCY

18h 40m1 stop

£514Lufthansa

Find Deal

Thu, 6 Nov - Mon, 10 Nov

09:20 - 20:16LCY-SEA

18h 56m2 stops

09:25 - 17:20SEA-LCY

23h 55m2 stops

£516Virgin Atlantic

Find Deal

Tue, 23 Sep - Tue, 14 Oct

19:10 - 11:55LCY-SEA

24h 45m1 stop

16:25 - 18:45SEA-LCY

18h 20m1 stop

£528

Find Deal

Mon, 8 Sep - Mon, 15 Sep

10:00 - 16:05LCY-SEA

14h 05m1 stop

17:40 - 16:40SEA-LCY

15h 00m1 stop

£530Delta

Find Deal

Wed, 3 Sep - Mon, 15 Sep

08:45 - 20:54LCY-SEA

20h 09m2 stops

08:00 - 12:30SEA-LCY

20h 30m2 stops

£543

Find Deal

Wed, 17 Sep - Mon, 29 Sep

07:45 - 20:32LCY-SEA

20h 47m2 stops

15:10 - 16:35SEA-LCY

17h 25m1 stop

£579Delta

Find Deal

Wed, 17 Dec - Tue, 6 Jan

SWISS flights from London City Airport to Seattle

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

SWISS

9 Sept

LCY09:25London City

17h 11m

2 stops

SEA18:36Seattle/Tacoma Intl

24 Sept

SEA10:55Seattle/Tacoma Intl

22h 20m

2 stops

LCY17:15London City

£504

Find similar

SWISS

12 Sept

LCY19:30London City

27h 20m

1 stop

SEA14:50Seattle/Tacoma Intl

15 Sept

SEA16:25Seattle/Tacoma Intl

18h 20m

1 stop

LCY18:45London City

£510

Find similar

SWISS

16 Sept

LCY19:20London City

31h 16m

2 stops

SEA18:36Seattle/Tacoma Intl

24 Sept

SEA10:55Seattle/Tacoma Intl

22h 20m

2 stops

LCY17:15London City

£519

Find similar

Delta flights from London City Airport to Seattle

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

Delta

3 Sept

LCY10:00London City

14h 05m

1 stop

SEA16:05Seattle/Tacoma Intl

15 Sept

SEA17:40Seattle/Tacoma Intl

15h 00m

1 stop

LCY16:40London City

£530

Find similar

Delta

2 Sept

LCY10:00London City

14h 05m

1 stop

SEA16:05Seattle/Tacoma Intl

9 Sept

SEA17:40Seattle/Tacoma Intl

15h 00m

1 stop

LCY16:40London City

£531

Find similar

Delta

25 Aug

LCY10:00London City

13h 55m

1 stop

SEA15:55Seattle/Tacoma Intl

9 Sept

SEA17:40Seattle/Tacoma Intl

15h 00m

1 stop

LCY16:40London City

£536

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 9/9

09:25-18:36

2 stops17h 11m

Seattle/Tacoma Intl

Wed 24/9

10:55-17:15

2 stops22h 20m

£504

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 12/9

19:30-14:50

1 stop27h 20m

Seattle/Tacoma Intl

Mon 15/9

16:25-18:45

1 stop18h 20m

£510

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 13/11

18:15-12:10

1 stop25h 55m

Seattle/Tacoma Intl

Mon 17/11

14:00-17:40

1 stop19h 40m

£511

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 8/10

08:40-16:05

1 stop15h 25m

Seattle/Tacoma Intl

Tue 14/10

14:00-17:20

1 stop19h 20m

£512

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 6/11

18:15-22:45

2 stops60h 30m

Seattle/Tacoma Intl

Mon 10/11

14:00-16:40

1 stop18h 40m

£514

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 23/9

09:20-20:16

2 stops18h 56m

Seattle/Tacoma Intl

Tue 14/10

09:25-17:20

2 stops23h 55m

£516

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 8/9

19:10-11:55

1 stop24h 45m

Seattle/Tacoma Intl

Mon 15/9

16:25-18:45

1 stop18h 20m

£528

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/9

10:00-16:05

1 stop14h 05m

Seattle/Tacoma Intl

Mon 15/9

17:40-16:40

1 stop15h 00m

£530

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 17/9

08:45-20:54

2 stops20h 09m

Seattle/Tacoma Intl

Mon 29/9

08:00-12:30

2 stops20h 30m

£543

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 17/12

07:45-20:32

2 stops20h 47m

Seattle/Tacoma Intl

Tue 6/1

15:10-16:35

1 stop17h 25m

£579

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 £586. 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 £695.

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 £521. 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 afternoon are often more expensive, with an average ticket price of £623.

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

Best price found	£450
Fastest flight time	13h 30m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from London City Airport in the past 72 hours is £450. The best return flight deal from London City Airport to Seattle found on momondo in the last 72 hours is £504.

The fastest flight from London City Airport to Seattle takes 13h 30m

There are no direct flights from London City Airport to Seattle. Popular non-direct route for this connection is London City Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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. 14h 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.

Kent

SeaTac

Fife

Tukwila

Renton

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.