SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from London to Seattle (LON - SEA)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
Choose Sites to Compare vs. KAYAK

Best fares from LON to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $1127 2 $1006 3
$1006
4 $1098 5 $1165 6
$1165
7 $1091 8 $1503 9 $1091 10 $1079 11 $1119 12 $1126 13 $1373
14 $1184 15 $1098 16 $1150 17 $1110 18 $1300 19
$1300
20
$1300
21
$1300
22
$1300
23
$1300
24
$1300
25 $1044 26
$1044
27 $1266
28 $1026 29
$1026
30 $1058        
KAYAK searches hundreds of sites to find the best rate for your next flight from London to Seattle. Get the best flight deal for your Seattle trip!
Here's how it works. Search KAYAK for a flight ticket from London to Seattle. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Direct flights LON to SEA on Delta
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
36 12:35 pm 2:50 pm Sep 2 - Oct 25
36 12:35 pm 2:44 pm Aug 16 - Sep 1