United Flight 5646 Deals & Information (2026/2027)

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United Flight 5646 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $147 and $79 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 7 - Sat, May 9
RDM
Robert's Field
LAX
Los Angeles Intl.
$147 Roundtrip, found 6 days ago
$147
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 7 from Robert's Field to Los Angeles Intl., returning Sat, May 9, priced at $147 found 6 days ago

Frequently asked questions

What route does flight number UA5646 take?
UA5646 takes around 2 hours and 28 minutes to fly directly from Chicago, IL Airport (ORD-O'Hare Intl.) to RAP. Sure, there's magic in the destination, but getting there is half the fun!
What terminal does UA5646 fly out of?
Flights to and from O'Hare Intl. Airport (ORD) and Rapid City Regional Airport (RAP) are served by UA5646, and passengers who travel on this route usually leave from Terminal 2.
What kind of plane is on flight number UA5646?
The route for flight number UA5646 is generally O'Hare Intl. Airport (ORD) to RAP, and the Bombardier CRJ is the type of plane you're likely to be traveling on.
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 UA5646 flight with Travelocity, please visit our Customer Service Portal.