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Cheap flights from Seattle to London from $382

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 2/9. 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

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
3:05 pm - 5:20 pm
SEA
-
LCY
18h 15m
1 stop
Virgin Atlantic Logo
5:50 pm - 12:35 pm
LCY
-
SEA
25h 45m
1 stop
$652Virgin Atlantic
lun., feb. 23 - lun., mar. 9
Virgin Atlantic Logo
3:05 pm - 5:20 pm
SEA
-
LCY
18h 15m
1 stop
Virgin Atlantic Logo
5:05 pm - 11:35 am
LCY
-
SEA
26h 30m
1 stop
$655Virgin Atlantic
mar., feb. 24 - mar., mar. 3
Virgin Atlantic Logo
3:05 pm - 5:20 pm
SEA
-
LCY
18h 15m
1 stop
Virgin Atlantic Logo
5:50 pm - 12:35 pm
LCY
-
SEA
25h 45m
1 stop
$656Virgin Atlantic
mar., mar. 3 - mar., mar. 10
Virgin Atlantic Logo
6:00 am - 7:15 am
SEA
-
LCY
17h 15m
2 stops
Virgin Atlantic Logo
5:50 pm - 12:35 pm
LCY
-
SEA
25h 45m
1 stop
$660Virgin Atlantic
mar., mar. 3 - mar., mar. 10
Virgin Atlantic Logo
3:05 pm - 4:35 pm
SEA
-
LCY
17h 30m
1 stop
Virgin Atlantic Logo
7:45 am - 11:38 pm
LCY
-
SEA
22h 53m
2 stops
$662Virgin Atlantic
lun., feb. 23 - lun., mar. 9
Virgin Atlantic Logo
3:05 pm - 6:25 pm
SEA
-
LCY
19h 20m
1 stop
Virgin Atlantic Logo
9:20 am - 10:05 pm
LCY
-
SEA
20h 45m
2 stops
$665Virgin Atlantic
jue., feb. 26 - jue., mar. 5
Virgin Atlantic Logo
3:05 pm - 6:25 pm
SEA
-
LCY
19h 20m
1 stop
Virgin Atlantic Logo
8:40 am - 10:05 pm
LCY
-
SEA
21h 25m
2 stops
$666Virgin Atlantic
jue., feb. 26 - jue., mar. 5
SWISS Logo
12:32 pm - 5:05 pm
SEA
-
LCY
20h 33m
2 stops
SWISS Logo
9:15 am - 9:01 pm
LCY
-
SEA
19h 46m
2 stops
$668SWISS
mar., feb. 24 - mar., mar. 3
KLM Logo
1:45 pm - 9:30 am
SEA
-
LCY
11h 45m
1 stop
KLM Logo
9:20 am - 4:30 pm
LCY
-
SEA
15h 10m
1 stop
$669KLM
lun., abr. 6 - jue., may. 7
KLM Logo
1:45 pm - 9:30 am
SEA
-
LCY
11h 45m
1 stop
KLM Logo
10:00 am - 4:30 pm
LCY
-
SEA
14h 30m
1 stop
$670KLM
lun., abr. 6 - jue., abr. 23

SWISS flights from Seattle to London City Airport

Our best SWISS deals on Seattle to London City Airport flight tickets
SWISS
Feb 24
SEA12:32 pmSeattle/Tacoma Intl
20h 33m
2 stops
LCY5:05 pmLondon City
Mar 3
LCY9:15 amLondon City
19h 46m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$668
SWISS
May 5
SEA9:55 amSeattle/Tacoma Intl
23h 35m
2 stops
LCY5:30 pmLondon City
May 19
LCY9:15 amLondon City
17h 15m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$685
SWISS
Feb 26
SEA10:55 amSeattle/Tacoma Intl
18h 00m
2 stops
LCY12:55 pmLondon City
Mar 11
LCY7:10 pmLondon City
34h 35m
2 stops
SEA10:45 pmSeattle/Tacoma Intl
$718

British Airways flights from Seattle to London City Airport

Our best British Airways deals on Seattle to London City Airport flight tickets
British Airways
Feb 11
SEA6:12 amSeattle/Tacoma Intl
23h 53m
2 stops
LCY2:05 pmLondon City
Feb 19
LCY7:50 amLondon City
22h 07m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$771
British Airways
Feb 11
SEA6:12 amSeattle/Tacoma Intl
23h 53m
2 stops
LCY2:05 pmLondon City
Feb 16
LCY7:15 pmLondon City
34h 42m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$781
British Airways
Feb 11
SEA6:12 amSeattle/Tacoma Intl
23h 53m
2 stops
LCY2:05 pmLondon City
Feb 19
LCY7:15 pmLondon City
34h 42m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$784

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to London City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated enero 29, 2026.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

lun. 2/23

3:05 pm-5:20 pm

1 stop18h 15m

London City

lun. 3/9

5:50 pm-12:35 pm

1 stop25h 45m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

mar. 2/24

3:05 pm-5:20 pm

1 stop18h 15m

London City

mar. 3/3

5:05 pm-11:35 am

1 stop26h 30m

$655

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

mar. 3/3

3:05 pm-5:20 pm

1 stop18h 15m

London City

mar. 3/10

5:50 pm-12:35 pm

1 stop25h 45m

$656

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

mar. 3/3

6:00 am-7:15 am

2 stops17h 15m

London City

mar. 3/10

5:50 pm-12:35 pm

1 stop25h 45m

$660

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

lun. 2/23

3:05 pm-4:35 pm

1 stop17h 30m

London City

lun. 3/9

7:45 am-11:38 pm

2 stops22h 53m

$662

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

jue. 2/26

3:05 pm-6:25 pm

1 stop19h 20m

London City

jue. 3/5

9:20 am-10:05 pm

2 stops20h 45m

$665

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

jue. 2/26

3:05 pm-6:25 pm

1 stop19h 20m

London City

jue. 3/5

8:40 am-10:05 pm

2 stops21h 25m

$666

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

mar. 2/24

12:32 pm-5:05 pm

2 stops20h 33m

London City

mar. 3/3

9:15 am-9:01 pm

2 stops19h 46m

$668

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

lun. 4/6

1:45 pm-9:30 am

1 stop11h 45m

London City

jue. 5/7

9:20 am-4:30 pm

1 stop15h 10m

$669

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

lun. 4/6

1:45 pm-9:30 am

1 stop11h 45m

London City

jue. 4/23

10:00 am-4:30 pm

1 stop14h 30m

$670

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Lufthansa and United Airlines 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

Fastest flight time

14h 10m

Direct flights

None
The fastest flight from Seattle to London City Airport takes 14h 10m
There are no direct flights from Seattle to London City Airport. There are no popular flight routes from Seattle to London City Airport.
Search flight deals

  • 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 14h 10m.

  • 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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to London City Airport?

  • 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.

  • What is the most popular airline from Seattle to London City Airport?

Best airlines flying from Seattle to London City Airport

Compare and see reviews for airlines that fly from Seattle to London City Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $962Free CancellationRating
7.3
1,674 reviews
Search Scandinavian Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon
Richmond

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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