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 Chicago to London (ORD - 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

Best fares from ORD to LON (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $1063 2 $1135 3 $1092 4 $826 5 $1033 6 $1107
7 $880 8 $1116 9 $816 10 $874 11 $1092 12 $1113 13 $1205
14 $1103 15 $1103 16 $970 17 $890 18 $1143 19 $968 20 $950
21 $1090 22 $971 23 $855 24 $1007 25 $910 26 $993 27 $914
28 $887 29 $859 30 $1052        
KAYAK searches hundreds of sites to find the best rate for your next flight from Chicago to London. Get the best flight deal for your London trip!
Here's how it works. Search KAYAK for a flight ticket from Chicago 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 ORD to LON on Delta
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4389 6:30 pm 8:30 am Sep 27 - Oct 18
4389 6:30 pm 8:30 am Aug 16 - Sep 6
4389 6:30 pm 8:30 am Sep 13 - Sep 20
4389 6:45 pm 8:45 am Sep 10 - Sep 19
4389 6:45 pm 8:45 am Sep 7 - Sep 14
4389 6:45 pm 8:45 am Sep 16 - Sep 22
4389 6:45 pm 8:45 am Sep 23 - Oct 7
4389 6:45 pm 8:45 am Aug 26 - Sep 5