
United Flight 4518 Deals & Information (2025/2026)
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United Flight 4518 Route Deals From $39
The cheapest prices found with in the last 7 days for return flights were $125 and $39 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$125 Roundtrip, found 2 days ago
$125
Roundtrip
found 2 days ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 days ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 3 days ago
$141
Roundtrip
found 3 days ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$147 Roundtrip, found 2 days ago
$147
Roundtrip
found 2 days ago
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 22 hours ago
$160
Roundtrip
found 22 hours ago