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Cheap flights from Seattle to London from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to London that have been recently found on momondo from popular airlines, departing in the coming months.
SWISS Logo
1:45 pm - 5:15 pmSEA-LCY
19h 30m2 stops
SWISS Logo
9:25 am - 11:26 pmLCY-SEA
21h 01m2 stops
$699SWISS
Find Deal
Wed, Oct 22 - Wed, Oct 29
SWISS Logo
3:23 pm - 5:15 pmSEA-LCY
17h 52m2 stops
SWISS Logo
1:30 pm - 11:26 pmLCY-SEA
40h 56m2 stops
$704SWISS
Find Deal
Mon, Oct 20 - Mon, Oct 27
 Logo
3:23 pm - 6:35 pmSEA-LCY
19h 12m2 stops
 Logo
7:20 pm - 6:59 pmLCY-SEA
30h 39m2 stops
Sun, Oct 19 - Mon, Oct 27
Delta Logo
1:55 pm - 7:15 amSEA-LCY
33h 20m1 stop
Delta Logo
10:00 am - 4:05 pmLCY-SEA
14h 05m1 stop
$738Delta
Find Deal
Tue, Sep 23 - Thu, Oct 2
Delta Logo
7:20 am - 8:10 amSEA-LCY
16h 50m2 stops
Delta Logo
8:40 am - 11:50 amLCY-SEA
35h 10m1 stop
$742Delta
Find Deal
Tue, Sep 23 - Wed, Oct 1
Virgin Atlantic Logo
2:10 pm - 4:40 pmSEA-LCY
18h 30m1 stop
Virgin Atlantic Logo
8:40 am - 10:23 pmLCY-SEA
21h 43m2 stops
$748Virgin Atlantic
Find Deal
Mon, Oct 13 - Tue, Oct 21
 Logo
3:23 pm - 6:35 pmSEA-LCY
19h 12m2 stops
 Logo
7:20 pm - 6:59 pmLCY-SEA
30h 39m2 stops
Sun, Oct 19 - Mon, Oct 27
Virgin Atlantic Logo
7:20 am - 8:50 amSEA-LCY
17h 30m2 stops
Virgin Atlantic Logo
9:20 am - 10:23 pmLCY-SEA
21h 03m2 stops
$752Virgin Atlantic
Find Deal
Wed, Sep 3 - Tue, Sep 30
Lufthansa Logo
2:20 pm - 4:25 pmSEA-LCY
18h 05m1 stop
Lufthansa Logo
8:55 am - 4:59 pmLCY-SEA
16h 04m2 stops
$769Lufthansa
Find Deal
Tue, Sep 23 - Fri, Oct 3
Lufthansa Logo
2:20 pm - 4:25 pmSEA-LCY
18h 05m1 stop
Lufthansa Logo
6:15 pm - 12:10 pmLCY-SEA
25h 55m1 stop
$773Lufthansa
Find Deal
Tue, Oct 21 - Tue, Nov 18

SWISS flights from Seattle to London City Airport

Our best SWISS deals on Seattle to London City Airport flight tickets
SWISS
Oct 22
SEA1:45 pmSeattle/Tacoma Intl
19h 30m
2 stops
LCY5:15 pmLondon City
Oct 29
LCY9:25 amLondon City
21h 01m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
SWISS
Oct 20
SEA3:23 pmSeattle/Tacoma Intl
17h 52m
2 stops
LCY5:15 pmLondon City
Oct 27
LCY1:30 pmLondon City
40h 56m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
SWISS
Sep 1
SEA4:25 pmSeattle/Tacoma Intl
18h 20m
1 stop
LCY6:45 pmLondon City
Sep 16
LCY7:20 pmLondon City
31h 16m
2 stops
SEA6:36 pmSeattle/Tacoma Intl

British Airways flights from Seattle to London City Airport

Our best British Airways deals on Seattle to London City Airport flight tickets
British Airways
Oct 22
SEA7:35 pmSeattle/Tacoma Intl
17h 15m
1 stop
LCY8:50 pmLondon City
Oct 29
LCY6:50 amLondon City
19h 25m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
British Airways
Aug 4
SEA7:35 pmSeattle/Tacoma Intl
13h 55m
1 stop
LCY5:30 pmLondon City
Aug 14
LCY9:05 amLondon City
16h 45m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
British Airways
Aug 11
SEA7:35 pmSeattle/Tacoma Intl
18h 05m
1 stop
LCY9:40 pmLondon City
Aug 25
LCY8:30 pmLondon City
29h 20m
1 stop
SEA5:50 pmSeattle/Tacoma Intl

See travel insights to London from

How to get the cheapest flight ticket from Seattle to London City Airport

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

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

SWISS, Lufthansa, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to London City

When to book flights from Seattle to London City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to London City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to London City Airport (SEA to LCY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to London City Airport

Best Price Found

$323

Fastest flight time

12h 40m

Direct flights

None
The best one-way flight to London City Airport from Seattle in the past 72 hours is $323. The best round-trip flight deal from Seattle to London City Airport found on momondo in the last 72 hours is $699.
The fastest flight from Seattle to London City Airport takes 12h 40m
There are no direct flights from Seattle to London City Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - London City Airport.

  • How far is Seattle/Tacoma Intl to London City by plane?

    The distance between Seattle/Tacoma Intl and London City is about 4785.6 mi. In terms of flight time, this usually takes a little over 12h 40m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to London City Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to London City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to London City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to London City Airport.

  • What documentation or ID do you need to fly to London City Airport?

    The travel and health documents you'll need for your trip to London City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Ilford
Milton Keynes
Canterbury
Colchester
Wembley
Chelmsford
Richmond
Crawley
Hook
Horley

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to London. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to London with flexible booking policies on momondo?

Yes. All flights to London from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to London?

Once you have performed a search for Seattle to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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