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

SWISS 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 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.

$473 Cheap Flights from London City Airport to Seattle in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London City Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 4:00 pm

LCY

SEA

28h 45m

2 stops

5:40 pm - 6:40 pm

SEA

LCY

17h 00m

2 stops

$719Multiple Airlines

Wed, Apr 22 - Wed, Apr 29

9:15 am - 10:37 pm

LCY

SEA

21h 22m

2 stops

2:39 pm - 5:55 pm

SEA

LCY

19h 16m

2 stops

$745Lufthansa

Mon, Apr 13 - Mon, Apr 20

9:15 am - 10:37 pm

LCY

SEA

21h 22m

2 stops

10:30 am - 5:25 pm

SEA

LCY

22h 55m

2 stops

$748SWISS

Mon, Apr 27 - Tue, May 12

9:15 am - 8:57 pm

LCY

SEA

19h 42m

2 stops

1:21 pm - 5:25 pm

SEA

LCY

20h 04m

2 stops

$750SWISS

Wed, Apr 22 - Wed, May 6

9:15 am - 9:53 pm

LCY

SEA

44h 38m

2 stops

5:40 am - 5:55 pm

SEA

LCY

28h 15m

2 stops

$752Multiple Airlines

Mon, Apr 13 - Mon, Apr 20

9:15 am - 9:53 pm

LCY

SEA

44h 38m

2 stops

5:40 am - 5:55 pm

SEA

LCY

28h 15m

2 stops

$758Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

9:15 am - 9:53 pm

LCY

SEA

44h 38m

2 stops

10:30 am - 5:55 pm

SEA

LCY

23h 25m

2 stops

$760Multiple Airlines

Mon, Apr 20 - Mon, May 4

7:15 pm - 10:42 pm

LCY

SEA

35h 27m

2 stops

7:00 am - 12:35 pm

SEA

LCY

21h 35m

2 stops

$762SWISS

Mon, Apr 13 - Mon, Apr 27

9:15 am - 9:53 pm

LCY

SEA

44h 38m

2 stops

5:40 am - 5:55 pm

SEA

LCY

28h 15m

2 stops

$763Multiple Airlines

Mon, Apr 20 - Mon, May 4

9:15 am - 9:53 pm

LCY

SEA

44h 38m

2 stops

8:00 am - 5:55 pm

SEA

LCY

25h 55m

2 stops

$764Multiple Airlines

Mon, Apr 13 - Mon, Apr 27

SWISS flights from London City Airport to Seattle

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

SWISS

Apr 27

LCY9:15 amLondon City

21h 22m

2 stops

SEA10:37 pmSeattle/Tacoma Intl

May 12

SEA10:30 amSeattle/Tacoma Intl

22h 55m

2 stops

LCY5:25 pmLondon City

$748

SWISS

Apr 22

LCY9:15 amLondon City

19h 42m

2 stops

SEA8:57 pmSeattle/Tacoma Intl

May 6

SEA1:21 pmSeattle/Tacoma Intl

20h 04m

2 stops

LCY5:25 pmLondon City

$750

SWISS

Apr 13

LCY7:15 pmLondon City

35h 27m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

Apr 27

SEA7:00 amSeattle/Tacoma Intl

21h 35m

2 stops

LCY12:35 pmLondon City

$762

Lufthansa flights from London City Airport to Seattle

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

Lufthansa

Apr 13

LCY9:15 amLondon City

21h 22m

2 stops

SEA10:37 pmSeattle/Tacoma Intl

Apr 20

SEA2:39 pmSeattle/Tacoma Intl

19h 16m

2 stops

LCY5:55 pmLondon City

$745

Lufthansa

Apr 13

LCY9:15 amLondon City

35h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Apr 20

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$767

Lufthansa

Apr 13

LCY6:30 pmLondon City

25h 50m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Apr 27

SEA2:10 pmSeattle/Tacoma Intl

19h 45m

1 stop

LCY5:55 pmLondon City

$776

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 4/22

7:15 pm-4:00 pm

2 stops28h 45m

Seattle/Tacoma Intl

Wed 4/29

5:40 pm-6:40 pm

2 stops17h 00m

$719

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/13

9:15 am-10:37 pm

2 stops21h 22m

Seattle/Tacoma Intl

Mon 4/20

2:39 pm-5:55 pm

2 stops19h 16m

$745

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/27

9:15 am-10:37 pm

2 stops21h 22m

Seattle/Tacoma Intl

Tue 5/12

10:30 am-5:25 pm

2 stops22h 55m

$748

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 4/22

9:15 am-8:57 pm

2 stops19h 42m

Seattle/Tacoma Intl

Wed 5/6

1:21 pm-5:25 pm

2 stops20h 04m

$750

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/13

9:15 am-9:53 pm

2 stops44h 38m

Seattle/Tacoma Intl

Mon 4/20

5:40 am-5:55 pm

2 stops28h 15m

$752

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 4/14

9:15 am-9:53 pm

2 stops44h 38m

Seattle/Tacoma Intl

Tue 4/21

5:40 am-5:55 pm

2 stops28h 15m

$758

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/20

9:15 am-9:53 pm

2 stops44h 38m

Seattle/Tacoma Intl

Mon 5/4

10:30 am-5:55 pm

2 stops23h 25m

$760

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/13

7:15 pm-10:42 pm

2 stops35h 27m

Seattle/Tacoma Intl

Mon 4/27

7:00 am-12:35 pm

2 stops21h 35m

$762

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/20

9:15 am-9:53 pm

2 stops44h 38m

Seattle/Tacoma Intl

Mon 5/4

5:40 am-5:55 pm

2 stops28h 15m

$763

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/13

9:15 am-9:53 pm

2 stops44h 38m

Seattle/Tacoma Intl

Mon 4/27

8:00 am-5:55 pm

2 stops25h 55m

$764

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 $764. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,033.

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 $840 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $863. 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 35m
Direct flights	None

The fastest flight from London City Airport to Seattle takes 13h 35m

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 13h 35m.
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

Redmond

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Kirkland

Centralia

Tumwater

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.