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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 $1070 2 $1110 3 $1138
4 $974 5 $1016 6 $1020 7 $1020 8 $1044 9 $1007 10 $1062
11 $997 12 $978 13 $966 14 $983 15 $1013 16 $1140 17 $1112
18 $1162 19 $1247 20 $1108 21 $1142 22 $1169 23 $1181 24 $1112
25 $1112 26 $1154 27 $1266 28 $1179 29 $1413 30 $1277 31 $1426
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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