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

Delta, British Airways, and SWISS 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.

$546 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

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One-way

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Cheap round-trip flights

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6:50 am - 7:20 pmLCY-SEA

19h 30m1 stop

9:05 pm - 6:50 pmSEA-LCY

14h 45m2 stops

$631British Airways

Find Deal

Wed, Mar 11 - Wed, Mar 18

6:15 pm - 12:10 pmLCY-SEA

25h 55m1 stop

3:00 pm - 5:35 pmSEA-LCY

19h 35m1 stop

$637Lufthansa

Find Deal

Fri, Mar 6 - Tue, Mar 10

6:45 am - 4:59 pmLCY-SEA

18h 14m1 stop

6:45 pm - 9:40 pmSEA-LCY

18h 55m1 stop

$639British Airways

Find Deal

Wed, Apr 8 - Wed, Apr 22

9:15 am - 10:45 pmLCY-SEA

21h 30m2 stops

10:55 am - 5:05 pmSEA-LCY

23h 10m2 stops

$644SWISS

Find Deal

Thu, Mar 5 - Tue, Mar 10

5:05 pm - 11:50 amLCY-SEA

26h 45m1 stop

6:05 am - 8:10 amSEA-LCY

18h 05m2 stops

$648Virgin Atlantic

Find Deal

Thu, Jan 15 - Thu, Jan 22

8:05 pm - 11:50 amLCY-SEA

23h 45m1 stop

6:05 am - 9:30 amSEA-LCY

19h 25m2 stops

$649Virgin Atlantic

Find Deal

Thu, Jan 15 - Thu, Jan 22

9:15 am - 10:43 pmLCY-SEA

21h 28m2 stops

10:58 am - 12:55 pmSEA-LCY

41h 57m2 stops

$650SWISS

Find Deal

Thu, Jan 15 - Wed, Jan 28

9:15 am - 9:12 pmLCY-SEA

19h 57m2 stops

12:35 pm - 5:05 pmSEA-LCY

20h 30m2 stops

$652SWISS

Find Deal

Thu, Jan 15 - Thu, Jan 22

7:45 am - 10:25 amLCY-SEA

34h 40m2 stops

6:00 pm - 4:35 pmSEA-LCY

39h 35m2 stops

$654Delta

Find Deal

Fri, Mar 6 - Tue, Mar 10

9:15 am - 10:43 pmLCY-SEA

21h 28m2 stops

10:55 am - 12:55 pmSEA-LCY

18h 00m2 stops

$662SWISS

Find Deal

Tue, Feb 24 - Tue, Mar 3

Virgin Atlantic flights from London City Airport to Seattle

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

Virgin Atlantic

Jan 15

LCY5:05 pmLondon City

26h 45m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Jan 22

SEA6:05 amSeattle/Tacoma Intl

18h 05m

2 stops

LCY8:10 amLondon City

$648

Find similar

Virgin Atlantic

Jan 15

LCY5:05 pmLondon City

26h 45m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Jan 22

SEA3:10 pmSeattle/Tacoma Intl

17h 25m

1 stop

LCY4:35 pmLondon City

$649

Find similar

Virgin Atlantic

Feb 8

LCY8:05 pmLondon City

23h 35m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Feb 22

SEA6:00 amSeattle/Tacoma Intl

17h 15m

2 stops

LCY7:15 amLondon City

$671

Find similar

SWISS flights from London City Airport to Seattle

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

SWISS

Mar 5

LCY9:15 amLondon City

21h 30m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

Mar 10

SEA10:55 amSeattle/Tacoma Intl

23h 10m

2 stops

LCY5:05 pmLondon City

$644

Find similar

SWISS

Jan 15

LCY9:15 amLondon City

21h 28m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

Jan 28

SEA10:58 amSeattle/Tacoma Intl

41h 57m

2 stops

LCY12:55 pmLondon City

$650

Find similar

SWISS

Jan 15

LCY9:15 amLondon City

19h 57m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 22

SEA12:35 pmSeattle/Tacoma Intl

20h 30m

2 stops

LCY5:05 pmLondon City

$652

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

Wed 3/11

6:50 am-7:20 pm

1 stop19h 30m

Seattle/Tacoma Intl

Wed 3/18

9:05 pm-6:50 pm

2 stops14h 45m

$631

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 3/6

6:15 pm-12:10 pm

1 stop25h 55m

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-5:35 pm

1 stop19h 35m

$637

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 4/8

6:45 am-4:59 pm

1 stop18h 14m

Seattle/Tacoma Intl

Wed 4/22

6:45 pm-9:40 pm

1 stop18h 55m

$639

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 3/5

9:15 am-10:45 pm

2 stops21h 30m

Seattle/Tacoma Intl

Tue 3/10

10:55 am-5:05 pm

2 stops23h 10m

$644

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/15

5:05 pm-11:50 am

1 stop26h 45m

Seattle/Tacoma Intl

Thu 1/22

6:05 am-8:10 am

2 stops18h 05m

$648

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/15

8:05 pm-11:50 am

1 stop23h 45m

Seattle/Tacoma Intl

Thu 1/22

6:05 am-9:30 am

2 stops19h 25m

$649

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/15

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Wed 1/28

10:58 am-12:55 pm

2 stops41h 57m

$650

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/15

9:15 am-9:12 pm

2 stops19h 57m

Seattle/Tacoma Intl

Thu 1/22

12:35 pm-5:05 pm

2 stops20h 30m

$652

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 3/6

7:45 am-10:25 am

2 stops34h 40m

Seattle/Tacoma Intl

Tue 3/10

6:00 pm-4:35 pm

2 stops39h 35m

$654

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 2/24

9:15 am-10:43 pm

2 stops21h 28m

Seattle/Tacoma Intl

Tue 3/3

10:55 am-12:55 pm

2 stops18h 00m

$662

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 $779. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $820 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $861. 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	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?
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 13h 50m.
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

Puyallup

Marysville

Tukwila

Redmond

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

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.