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.

Fri, Sep 12 - Mon, Sep 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$125 Roundtrip, found 2 days ago
$125
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 12 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Sep 15, priced at $125 found 2 days ago
Tue, Jun 3 - Fri, Jun 6
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 3 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Jun 6, priced at $127 found 2 days ago
Tue, Jun 3 - Sat, Jun 7
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jun 3 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jun 7, priced at $139 found 3 days ago
Tue, Jul 22 - Sat, Jul 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 3 days ago
$141
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 22 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $141 found 3 days ago
Tue, Jul 1 - Tue, Jul 22
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 1 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Jul 22, priced at $144 found 1 day ago
Wed, Jun 4 - Sat, Jun 7
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$147 Roundtrip, found 2 days ago
$147
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 4 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jun 7, priced at $147 found 2 days ago
Thu, Jul 10 - Sat, Jul 12
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 22 hours ago
$160
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Jul 10 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 12, priced at $160 found 22 hours ago

Frequently asked questions

What route does flight number UA4518 take?
UA4518 takes around 1 hour and 15 minutes to jet directly from Chicago, IL Airport (ORD-O’Hare Intl.) to CID. Sure, there’s magic in the destination, but half the fun is in the journey!
What terminal does UA4518 fly out of?
Direct flights between O’Hare Airport and Cedar Rapids Airport are served by UA4518, and those traveling on this route typically leave from Terminal 1.
What kind of plane is on flight number UA4518?
Get set to step aboard a Canadair (Bombardier) Regional Jet 550 if you’re traveling on flight UA4518. Almost all flights from O’Hare Airport to Eastern Iowa Airport (CID) use this type of aircraft.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA4518 flight with Travelocity, please visit our Customer Service Portal.