United Flight 5646 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 5646 Route Deals From $136

The cheapest prices found with in the last 7 days for return flights were $137 and $136 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 21 - Sat, Apr 25
RDM
Robert's Field
LAX
Los Angeles Intl.
$137 Roundtrip, found 5 days ago
$137
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Robert's Field to Los Angeles Intl., returning Sat, Apr 25, priced at $137 found 5 days ago
Tue, Feb 24 - Tue, Mar 3
RDM
Robert's Field
LAX
Los Angeles Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 24 from Robert's Field to Los Angeles Intl., returning Tue, Mar 3, priced at $141 found 1 day ago
Tue, Feb 24 - Tue, Mar 3
RDM
Robert's Field
LAX
Los Angeles Intl.
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 24 from Robert's Field to Los Angeles Intl., returning Tue, Mar 3, priced at $185 found 1 day ago
Tue, Mar 31 - Wed, Apr 1
RDM
Robert's Field
LAX
Los Angeles Intl.
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 31 from Robert's Field to Los Angeles Intl., returning Wed, Apr 1, priced at $192 found 3 days ago
Tue, Apr 21 - Sat, Apr 25
RDM
Robert's Field
LAX
Los Angeles Intl.
$195 Roundtrip, found 5 days ago
$195
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Robert's Field to Los Angeles Intl., returning Sat, Apr 25, priced at $195 found 5 days ago
Wed, Feb 18 - Tue, Feb 24
RDM
Robert's Field
LAX
Los Angeles Intl.
$195 Roundtrip, found 2 days ago
$195
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 18 from Robert's Field to Los Angeles Intl., returning Tue, Feb 24, priced at $195 found 2 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.