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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 $1193 2 $1192
3 $1183 4 $1173 5 $1162 6 $1173 7 $1173 8 $1192 9 $1186
10 $1387 11 $1192 12 $1173 13 $1171 14 $1182 15 $1183 16 $1162
17 $1162 18 $1171 19 $1162 20 $1236 21 $1173 22 $1123 23 $1031
24 $1011 25 $1011 26 $1020 27 $1020 28 $1120 29 $1106 30 $1034
31 $1021            
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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 Aug 2 - Oct 18
4389 6:45 pm 8:45 am Aug 7 - Oct 24