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

SWISS, Virgin Atlantic, and Delta 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.

$535 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

Enter your travel dates to find the best prices.

8:05 pm - 12:35 pm

LCY

SEA

23h 30m1 stop

4:00 pm - 5:20 pm

SEA

LCY

18h 20m1 stop

$700Virgin Atlantic

Tue, Mar 10 - Tue, Mar 17

9:20 am - 9:12 pm

LCY

SEA

19h 52m2 stops

1:20 pm - 5:15 pm

SEA

LCY

19h 55m2 stops

$737SWISS

Wed, Jan 21 - Wed, Sep 23

8:05 pm - 11:35 am

LCY

SEA

23h 30m1 stop

4:00 pm - 4:35 pm

SEA

LCY

17h 35m1 stop

$740Virgin Atlantic

Thu, Mar 5 - Tue, Mar 10

8:05 pm - 11:35 am

LCY

SEA

23h 30m1 stop

4:00 pm - 4:35 pm

SEA

LCY

17h 35m1 stop

$745Virgin Atlantic

Thu, Mar 5 - Tue, Mar 10

6:55 pm - 11:35 am

LCY

SEA

24h 40m1 stop

4:00 pm - 1:15 pm

SEA

LCY

14h 15m1 stop

$748Virgin Atlantic

Wed, Mar 4 - Sat, Mar 14

8:05 pm - 11:35 am

LCY

SEA

23h 30m1 stop

4:00 pm - 4:35 pm

SEA

LCY

17h 35m1 stop

$749Virgin Atlantic

Wed, Mar 4 - Mon, Mar 9

8:40 am - 10:05 pm

LCY

SEA

21h 25m2 stops

4:00 pm - 4:35 pm

SEA

LCY

17h 35m1 stop

$755Virgin Atlantic

Wed, Mar 4 - Mon, Mar 9

9:20 am - 10:43 pm

LCY

SEA

21h 23m2 stops

12:35 pm - 5:05 pm

SEA

LCY

20h 30m2 stops

$762SWISS

Fri, Jan 30 - Mon, Feb 9

7:50 am - 10:18 pm

LCY

SEA

22h 28m2 stops

1:37 pm - 2:05 pm

SEA

LCY

41h 28m2 stops

$777British Airways

Wed, Mar 4 - Mon, Mar 9

5:05 pm - 11:40 am

LCY

SEA

26h 35m1 stop

3:05 pm - 5:20 pm

SEA

LCY

18h 15m1 stop

$780Virgin Atlantic

Mon, Feb 2 - Mon, Feb 16

SWISS flights from London City Airport to Seattle

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

SWISS

Jan 14

LCY9:20 amLondon City

19h 52m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 21

SEA10:58 amSeattle/Tacoma Intl

17h 57m

2 stops

LCY12:55 pmLondon City

$722

Find similar

SWISS

Jan 21

LCY9:20 amLondon City

19h 52m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Sep 23

SEA1:20 pmSeattle/Tacoma Intl

19h 55m

2 stops

LCY5:15 pmLondon City

$737

Find similar

SWISS

Jan 21

LCY9:20 amLondon City

19h 52m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 31

SEA10:58 amSeattle/Tacoma Intl

41h 57m

2 stops

LCY12:55 pmLondon City

$762

Find similar

Delta flights from London City Airport to Seattle

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

Delta

Mar 30

LCY9:20 amLondon City

14h 30m

1 stop

SEA3:50 pmSeattle/Tacoma Intl

Apr 9

SEA9:00 amSeattle/Tacoma Intl

15h 50m

2 stops

LCY8:50 amLondon City

$823

Find similar

Delta

Mar 31

LCY10:00 amLondon City

36h 55m

2 stops

SEA2:55 pmSeattle/Tacoma Intl

Apr 9

SEA12:06 pmSeattle/Tacoma Intl

39h 34m

2 stops

LCY11:40 amLondon City

$828

Find similar

Delta

Apr 1

LCY10:00 amLondon City

13h 50m

1 stop

SEA3:50 pmSeattle/Tacoma Intl

Apr 10

SEA9:00 amSeattle/Tacoma Intl

16h 30m

2 stops

LCY9:30 amLondon City

$838

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 3/10

8:05 pm-12:35 pm

1 stop23h 30m

Seattle/Tacoma Intl

Tue 3/17

4:00 pm-5:20 pm

1 stop18h 20m

$700

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/21

9:20 am-9:12 pm

2 stops19h 52m

Seattle/Tacoma Intl

Wed 9/23

1:20 pm-5:15 pm

2 stops19h 55m

$737

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 3/5

8:05 pm-11:35 am

1 stop23h 30m

Seattle/Tacoma Intl

Tue 3/10

4:00 pm-4:35 pm

1 stop17h 35m

$740

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 3/5

8:05 pm-11:35 am

1 stop23h 30m

Seattle/Tacoma Intl

Tue 3/10

4:00 pm-4:35 pm

1 stop17h 35m

$745

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

6:55 pm-11:35 am

1 stop24h 40m

Seattle/Tacoma Intl

Sat 3/14

4:00 pm-1:15 pm

1 stop14h 15m

$748

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

8:05 pm-11:35 am

1 stop23h 30m

Seattle/Tacoma Intl

Mon 3/9

4:00 pm-4:35 pm

1 stop17h 35m

$749

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

8:40 am-10:05 pm

2 stops21h 25m

Seattle/Tacoma Intl

Mon 3/9

4:00 pm-4:35 pm

1 stop17h 35m

$755

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 1/30

9:20 am-10:43 pm

2 stops21h 23m

Seattle/Tacoma Intl

Mon 2/9

12:35 pm-5:05 pm

2 stops20h 30m

$762

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 3/4

7:50 am-10:18 pm

2 stops22h 28m

Seattle/Tacoma Intl

Mon 3/9

1:37 pm-2:05 pm

2 stops41h 28m

$777

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/2

5:05 pm-11:40 am

1 stop26h 35m

Seattle/Tacoma Intl

Mon 2/16

3:05 pm-5:20 pm

1 stop18h 15m

$780

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 $777. 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 $942.

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 $819 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $859. Departure times in the evening 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	14h 20m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 14h 20m

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?
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 14h 20m.
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

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Westport

Kirkland

Centralia

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.