Cheap Flights from Seattle to London (SEA - LHR)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none

Best fares from SEA to LHR

Sun Mon Tue Wed Thu Fri Sat
  1 $1214 2 $1066 3 $1070 4 $1133 5 $1163 6 $869
7 $1180 8 $1083 9 $879 10 $1140 11 $1086 12 $1133 13 $1196
14 $1169 15 $1118 16 $1122 17 $1127 18 $1375 19 $1604 20 $1489
21 $1354 22 $1295 23 $1157 24 $1100 25 $1103 26 $1135 27 $1127
28 $1105 29 $1101 30 $1074 31 $1074      

Best fares found by others...

KAYAK searches hundreds of sites to find the best rate for your next flight from Seattle to London. Get the best flight deal for your London trip!
Here's how it works. Search KAYAK for a flight ticket from Seattle to London. 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 SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 5:22 pm 11:05 am Dec 28 - Dec 28
37 6:42 pm 12:25 pm Dec 2 - Dec 27
37 6:42 pm 12:25 pm Dec 29 - Jan 4
37 6:54 pm 12:25 pm Nov 28 - Dec 1