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 Washington to London (WAS - LON)

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 all | none

Best fares from WAS to LON (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $938 2 $938 3 $947
4 $959 5 $967 6 $937 7 $945 8 $935 9 $966 10 $941
11 $953 12 $944 13 $911 14 $911 15 $965 16 $995 17 $1076
18 $929 19 $1087 20 $1049 21 $1048 22 $1110 23 $1101 24 $1077
25 $1077 26 $1087 27 $1127 28 $1126 29 $1103 30 $1182 31 $1173
KAYAK searches hundreds of sites to find the best rate for your next flight from Washington to London. Get the best flight deal for your London trip!
Here's how it works. Search KAYAK for a flight ticket from Washington 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 WAS to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:40 pm 7:05 am Apr 15 - May 28