United Flight AA4518 Deals & Information (2025/2026)

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United Flight 4518 Route Deals From $136

The cheapest prices found with in the last 7 days for return flights were $217 and $136 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 28 - Wed, Jun 4
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 28 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jun 4, priced at $217 found 2 days 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.