Find which airlines fly direct from Lambert-St Louis to O'Hare Intl, which days they fly and book direct flights.
Direct departures
Monday
ANA, Aer Lingus, Air Canada, +14 more
ANA, Aer Lingus, +15 more
13
14
Tuesday
ANA, Aer Lingus, Air Canada, +16 more
ANA, Aer Lingus, +17 more
15
16
Wednesday
ANA, Aer Lingus, Air Canada, +17 more
ANA, Aer Lingus, +18 more
16
17
Thursday
ANA, Aer Lingus, Air Canada, +16 more
ANA, Aer Lingus, +17 more
15
16
Friday
ANA, Aer Lingus, Air Canada, +18 more
ANA, Aer Lingus, +19 more
17
18
Saturday
ANA, Aer Lingus, Air Canada, +17 more
ANA, Aer Lingus, +18 more
16
17
Sunday
ANA, Aer Lingus, Air Canada, +18 more
ANA, Aer Lingus, +19 more
17
18
Direct returns
Monday
ANA, Aer Lingus, Air Canada, +14 more
ANA, Aer Lingus, +15 more
13
14
Tuesday
ANA, Aer Lingus, Air Canada, +16 more
ANA, Aer Lingus, +17 more
15
16
Wednesday
ANA, Aer Lingus, Air Canada, +17 more
ANA, Aer Lingus, +18 more
16
17
Thursday
ANA, Aer Lingus, Air Canada, +16 more
ANA, Aer Lingus, +17 more
15
16
Friday
ANA, Aer Lingus, Air Canada, +18 more
ANA, Aer Lingus, +19 more
17
18
Saturday
ANA, Aer Lingus, Air Canada, +17 more
ANA, Aer Lingus, +18 more
16
17
Sunday
ANA, Aer Lingus, Air Canada, +18 more
ANA, Aer Lingus, +19 more
17
18
St. Louis (STL)United States
Chicago (ORD)United States