United Flight 5742 Deals & Information (2025/2026)

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 5742 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $189 and $214 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Sun, Oct 26
RAP
Rapid City Regional
DEN
Denver Intl.
$189 Roundtrip, found 3 hours ago
$189
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 21 from Rapid City Regional to Denver Intl., returning Sun, Oct 26, priced at $189 found 3 hours ago
Fri, Jul 18 - Sun, Jul 20
RAP
Rapid City Regional
DEN
Denver Intl.
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 18 from Rapid City Regional to Denver Intl., returning Sun, Jul 20, priced at $193 found 1 day ago
Tue, Oct 21 - Sun, Oct 26
RAP
Rapid City Regional
DEN
Denver Intl.
$194 Roundtrip, found 3 hours ago
$194
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 21 from Rapid City Regional to Denver Intl., returning Sun, Oct 26, priced at $194 found 3 hours ago
Fri, Jul 18 - Sun, Jul 20
RAP
Rapid City Regional
DEN
Denver Intl.
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 18 from Rapid City Regional to Denver Intl., returning Sun, Jul 20, priced at $198 found 1 day ago
Thu, Oct 9 - Sun, Oct 12
RAP
Rapid City Regional
DEN
Denver Intl.
$199 Roundtrip, found 4 hours ago
$199
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 9 from Rapid City Regional to Denver Intl., returning Sun, Oct 12, priced at $199 found 4 hours ago
Sat, Aug 2 - Sat, Aug 9
RAP
Rapid City Regional
DEN
Denver Intl.
$203 Roundtrip, found 2 days ago
$203
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 2 from Rapid City Regional to Denver Intl., returning Sat, Aug 9, priced at $203 found 2 days ago
Tue, Oct 21 - Sun, Oct 26
RAP
Rapid City Regional
DEN
Denver Intl.
$219 Roundtrip, found 3 hours ago
$219
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 21 from Rapid City Regional to Denver Intl., returning Sun, Oct 26, priced at $219 found 3 hours ago
Fri, Jul 18 - Sun, Jul 20
RAP
Rapid City Regional
DEN
Denver Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 18 from Rapid City Regional to Denver Intl., returning Sun, Jul 20, priced at $223 found 1 day ago
Thu, Oct 9 - Sun, Oct 12
RAP
Rapid City Regional
DEN
Denver Intl.
$224 Roundtrip, found 4 hours ago
$224
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 9 from Rapid City Regional to Denver Intl., returning Sun, Oct 12, priced at $224 found 4 hours ago
Sat, Aug 2 - Sat, Aug 9
RAP
Rapid City Regional
DEN
Denver Intl.
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 2 from Rapid City Regional to Denver Intl., returning Sat, Aug 9, priced at $228 found 2 days ago

Frequently asked questions

What route does flight number UA5742 take?
UA5742 flies direct between Missoula, MT Airport (MSO-Missoula Intl.) and Denver Intl. Airport (DEN) in around 2 hours and 9 minutes. It can sometimes take other routes though, some of which may be multi-stop trips. Keep an eye out for this when locking in your airfare to avoid any mix-ups.
What kind of plane is on flight number UA5742?
If you've booked a seat on flight UA5742 from Missoula, MT Airport (MSO-Missoula Intl.) to Denver Intl. Airport (DEN), there's a good chance you'll be traveling on the Bombardier CRJ. This flight number serves several routes, but this is the most popular one.
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 UA5742 flight with Travelocity, please visit our Customer Service Portal.