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

Iberia, British Airways, and Aer Lingus 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.

$549 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.

9:15 am - 10:28 pmLCY-SEA

21h 13m2 stops

3:37 pm - 5:05 pmSEA-LCY

17h 28m2 stops

$665SWISS

Find Deal

Tue, Nov 18 - Mon, Nov 24

9:15 am - 9:12 pmLCY-SEA

19h 57m2 stops

12:35 pm - 5:05 pmSEA-LCY

20h 30m2 stops

$668SWISS

Find Deal

Mon, Jan 12 - Tue, Jan 27

9:15 am - 9:12 pmLCY-SEA

19h 57m2 stops

12:35 pm - 5:05 pmSEA-LCY

20h 30m2 stops

$670SWISS

Find Deal

Mon, Jan 12 - Tue, Jan 27

9:50 am - 12:59 amLCY-SEA

23h 09m2 stops

1:05 pm - 5:40 pmSEA-LCY

20h 35m2 stops

$688Multiple Airlines

Find Deal

Tue, Nov 25 - Wed, Dec 10

7:45 am - 11:31 pmLCY-SEA

23h 46m2 stops

8:05 am - 9:30 amSEA-LCY

17h 25m2 stops

$690Virgin Atlantic

Find Deal

Wed, Dec 24 - Wed, Dec 31

9:50 am - 10:28 pmLCY-SEA

44h 38m2 stops

10:05 am - 4:40 pmSEA-LCY

22h 35m2 stops

$692Lufthansa

Find Deal

Wed, Nov 12 - Wed, Nov 19

6:10 pm - 12:10 pmLCY-SEA

26h 00m1 stop

2:00 pm - 5:40 pmSEA-LCY

19h 40m1 stop

$698Lufthansa

Find Deal

Wed, Jan 28 - Thu, Feb 12

8:05 pm - 11:50 amLCY-SEA

23h 45m1 stop

3:05 pm - 7:35 pmSEA-LCY

20h 30m1 stop

$703Virgin Atlantic

Find Deal

Mon, Dec 15 - Tue, Dec 30

6:10 pm - 8:57 pmLCY-SEA

34h 47m2 stops

8:17 am - 12:50 pmSEA-LCY

20h 33m2 stops

$704Multiple Airlines

Find Deal

Wed, Jan 28 - Thu, Feb 12

8:40 am - 10:23 pmLCY-SEA

21h 43m2 stops

7:15 am - 9:30 amSEA-LCY

18h 15m2 stops

$767Delta

Find Deal

Thu, Nov 13 - Mon, Nov 17

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Nov 12

LCY9:50 amLondon City

44h 38m

2 stops

SEA10:28 pmSeattle/Tacoma Intl

Nov 19

SEA10:05 amSeattle/Tacoma Intl

22h 35m

2 stops

LCY4:40 pmLondon City

$692

Find similar

Lufthansa

Jan 28

LCY6:10 pmLondon City

26h 00m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Feb 12

SEA2:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$698

Find similar

Lufthansa

Nov 18

LCY6:15 pmLondon City

33h 01m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Nov 24

SEA2:00 pmSeattle/Tacoma Intl

19h 40m

1 stop

LCY5:40 pmLondon City

$729

Find similar

SWISS flights from London City Airport to Seattle

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

SWISS

Nov 18

LCY9:15 amLondon City

21h 13m

2 stops

SEA10:28 pmSeattle/Tacoma Intl

Nov 24

SEA3:37 pmSeattle/Tacoma Intl

17h 28m

2 stops

LCY5:05 pmLondon City

$665

Find similar

SWISS

Jan 12

LCY9:15 amLondon City

19h 57m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 27

SEA12:35 pmSeattle/Tacoma Intl

20h 30m

2 stops

LCY5:05 pmLondon City

$668

Find similar

SWISS

Jan 12

LCY9:15 amLondon City

19h 57m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 27

SEA12:35 pmSeattle/Tacoma Intl

20h 30m

2 stops

LCY5:05 pmLondon City

$670

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 11/18

9:15 am-10:28 pm

2 stops21h 13m

Seattle/Tacoma Intl

Mon 11/24

3:37 pm-5:05 pm

2 stops17h 28m

$665

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/12

9:15 am-9:12 pm

2 stops19h 57m

Seattle/Tacoma Intl

Tue 1/27

12:35 pm-5:05 pm

2 stops20h 30m

$668

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 1/12

9:15 am-9:12 pm

2 stops19h 57m

Seattle/Tacoma Intl

Tue 1/27

12:35 pm-5:05 pm

2 stops20h 30m

$670

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 11/25

9:50 am-12:59 am

2 stops23h 09m

Seattle/Tacoma Intl

Wed 12/10

1:05 pm-5:40 pm

2 stops20h 35m

$688

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 12/24

7:45 am-11:31 pm

2 stops23h 46m

Seattle/Tacoma Intl

Wed 12/31

8:05 am-9:30 am

2 stops17h 25m

$690

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 11/12

9:50 am-10:28 pm

2 stops44h 38m

Seattle/Tacoma Intl

Wed 11/19

10:05 am-4:40 pm

2 stops22h 35m

$692

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/28

6:10 pm-12:10 pm

1 stop26h 00m

Seattle/Tacoma Intl

Thu 2/12

2:00 pm-5:40 pm

1 stop19h 40m

$698

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/15

8:05 pm-11:50 am

1 stop23h 45m

Seattle/Tacoma Intl

Tue 12/30

3:05 pm-7:35 pm

1 stop20h 30m

$703

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/28

6:10 pm-8:57 pm

2 stops34h 47m

Seattle/Tacoma Intl

Thu 2/12

8:17 am-12:50 pm

2 stops20h 33m

$704

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 11/13

8:40 am-10:23 pm

2 stops21h 43m

Seattle/Tacoma Intl

Mon 11/17

7:15 am-9:30 am

2 stops18h 15m

$767

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 $793. 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 $1,028.

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

Flying to Seattle from London City Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $860. 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

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?
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 19h 01m.
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

Marysville

Puyallup

Federal Way

Tukwila

Lakewood

Kirkland

Fife

Centralia

Shoreline

Cle Elum

Redmond

Westport

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.