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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.
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Best fares from ORD to LON (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $1012 2 $1008 3 $986
4 $978 5 $978 6 $983 7 $983 8 $1013 9 $1013 10 $987
11 $976 12 $976 13 $976 14 $976 15 $1012 16 $1141 17 $1111
18 $1134 19 $1189 20 $1084 21 $1084 22 $1111 23 $1141 24 $1111
25 $1111 26 $1114 27 $1191 28 $1217 29 $1298 30 $1265 31 $1302
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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 May 3 - Oct 18
4389 6:45 pm 8:45 am Apr 30 - May 9
4389 6:45 pm 8:45 am May 11 - May 28