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.

$579 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

Round-trip

One-way

Last minute

Cheap round-trip flights

9:15 am - 10:29 pmLCY-SEA

21h 14m2 stops

11:05 am - 5:05 pmSEA-LCY

22h 00m2 stops

$640SWISS

Find Deal

Tue, Feb 24 - Tue, Mar 3

6:15 pm - 12:10 pmLCY-SEA

25h 55m1 stop

2:00 pm - 4:40 pmSEA-LCY

18h 40m1 stop

$643Lufthansa

Find Deal

Thu, Nov 13 - Mon, Nov 17

10:00 am - 4:05 pmLCY-SEA

14h 05m1 stop

2:00 pm - 5:20 pmSEA-LCY

19h 20m1 stop

$645Virgin Atlantic

Find Deal

Wed, Oct 8 - Tue, Oct 14

7:10 pm - 10:29 pmLCY-SEA

35h 19m2 stops

5:00 pm - 5:05 pmSEA-LCY

17h 05m2 stops

$646SWISS

Find Deal

Thu, Mar 5 - Tue, Mar 10

8:40 am - 11:57 pmLCY-SEA

23h 17m2 stops

5:40 pm - 5:20 pmSEA-LCY

15h 40m1 stop

$650Virgin Atlantic

Find Deal

Wed, Oct 8 - Tue, Oct 14

9:20 am - 4:05 pmLCY-SEA

14h 45m1 stop

5:40 pm - 4:40 pmSEA-LCY

15h 00m1 stop

$671Delta

Find Deal

Mon, Oct 6 - Mon, Oct 20

8:45 am - 10:30 pmLCY-SEA

21h 45m2 stops

8:00 am - 12:40 pmSEA-LCY

20h 40m2 stops

$695

Find Deal

Mon, Oct 13 - Sat, Nov 8

9:20 am - 4:05 pmLCY-SEA

14h 45m1 stop

5:40 pm - 4:40 pmSEA-LCY

15h 00m1 stop

$701Delta

Find Deal

Mon, Oct 13 - Mon, Oct 20

9:25 am - 11:15 pmLCY-SEA

21h 50m2 stops

8:00 am - 12:30 pmSEA-LCY

20h 30m2 stops

$722

Find Deal

Thu, Oct 9 - Thu, Oct 16

8:45 pm - 11:45 amLCY-SEA

23h 00m1 stop

5:40 pm - 4:40 pmSEA-LCY

15h 00m1 stop

$744KLM

Find Deal

Sun, Sep 28 - Sun, Oct 12

Virgin Atlantic flights from London City Airport to Seattle

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

Virgin Atlantic

Oct 8

LCY10:00 amLondon City

14h 05m

1 stop

SEA4:05 pmSeattle/Tacoma Intl

Oct 14

SEA2:00 pmSeattle/Tacoma Intl

19h 20m

1 stop

LCY5:20 pmLondon City

$645

Find similar

Virgin Atlantic

Oct 8

LCY8:40 amLondon City

23h 17m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

Oct 14

SEA5:40 pmSeattle/Tacoma Intl

15h 40m

1 stop

LCY5:20 pmLondon City

$650

Find similar

Virgin Atlantic

Oct 8

LCY8:40 amLondon City

23h 17m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

Oct 14

SEA2:00 pmSeattle/Tacoma Intl

19h 20m

1 stop

LCY5:20 pmLondon City

$651

Find similar

Aer Lingus flights from London City Airport to Seattle

Our best Aer Lingus deals on London City Airport to Seattle flight tickets

Aer Lingus

Sep 29

LCY9:05 amLondon City

16h 45m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 6

SEA7:35 pmSeattle/Tacoma Intl

13h 55m

1 stop

LCY5:30 pmLondon City

$977

Find similar

Aer Lingus

Sep 21

LCY7:30 pmLondon City

30h 20m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Sep 28

SEA7:35 pmSeattle/Tacoma Intl

18h 05m

1 stop

LCY9:40 pmLondon City

$1,020

Find similar

Aer Lingus

Sep 28

LCY7:30 pmLondon City

30h 20m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 11

SEA12:34 amSeattle/Tacoma Intl

23h 56m

2 stops

LCY8:30 amLondon City

$1,026

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 2/24

9:15 am-10:29 pm

2 stops21h 14m

Seattle/Tacoma Intl

Tue 3/3

11:05 am-5:05 pm

2 stops22h 00m

$640

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 11/13

6:15 pm-12:10 pm

1 stop25h 55m

Seattle/Tacoma Intl

Mon 11/17

2:00 pm-4:40 pm

1 stop18h 40m

$643

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 10/8

10:00 am-4:05 pm

1 stop14h 05m

Seattle/Tacoma Intl

Tue 10/14

2:00 pm-5:20 pm

1 stop19h 20m

$645

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 3/5

7:10 pm-10:29 pm

2 stops35h 19m

Seattle/Tacoma Intl

Tue 3/10

5:00 pm-5:05 pm

2 stops17h 05m

$646

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 10/8

8:40 am-11:57 pm

2 stops23h 17m

Seattle/Tacoma Intl

Tue 10/14

5:40 pm-5:20 pm

1 stop15h 40m

$650

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 10/6

9:20 am-4:05 pm

1 stop14h 45m

Seattle/Tacoma Intl

Mon 10/20

5:40 pm-4:40 pm

1 stop15h 00m

$671

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 10/13

8:45 am-10:30 pm

2 stops21h 45m

Seattle/Tacoma Intl

Sat 11/8

8:00 am-12:40 pm

2 stops20h 40m

$695

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 10/13

9:20 am-4:05 pm

1 stop14h 45m

Seattle/Tacoma Intl

Mon 10/20

5:40 pm-4:40 pm

1 stop15h 00m

$701

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 10/9

9:25 am-11:15 pm

2 stops21h 50m

Seattle/Tacoma Intl

Thu 10/16

8:00 am-12:30 pm

2 stops20h 30m

$722

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 9/28

8:45 pm-11:45 am

1 stop23h 00m

Seattle/Tacoma Intl

Sun 10/12

5:40 pm-4:40 pm

1 stop15h 00m

$744

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 $780. 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 $1,017.

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 $847 when looking at flights departing at noon. 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

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 14h 05m.
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.

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

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.