United Flight 5911 Deals & Information (2026/2027)

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United Flight 5911 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $274 and $264 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 6 - Sun, Jun 7
HLN
Helena Regional
DEN
Denver Intl.
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from Helena Regional to Denver Intl., returning Sun, Jun 7, priced at $274 found 1 day ago
Sat, Jun 6 - Sun, Jun 7
HLN
Helena Regional
DEN
Denver Intl.
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from Helena Regional to Denver Intl., returning Sun, Jun 7, priced at $294 found 1 day ago
Thu, Apr 30 - Sun, May 3
HLN
Helena Regional
DEN
Denver Intl.
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Helena Regional to Denver Intl., returning Sun, May 3, priced at $299 found 2 days ago
Thu, Apr 2 - Thu, Apr 9
HLN
Helena Regional
DEN
Denver Intl.
$302 Roundtrip, found 9 hours ago
$302
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Apr 2 from Helena Regional to Denver Intl., returning Thu, Apr 9, priced at $302 found 9 hours ago
Thu, Apr 30 - Sun, May 3
HLN
Helena Regional
DEN
Denver Intl.
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Helena Regional to Denver Intl., returning Sun, May 3, priced at $310 found 2 days ago
Thu, May 28 - Sun, May 31
HLN
Helena Regional
DEN
Denver Intl.
$318 Roundtrip, found 6 days ago
$318
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Helena Regional to Denver Intl., returning Sun, May 31, priced at $318 found 6 days ago
Sat, Apr 25 - Mon, May 4
HLN
Helena Regional
DEN
Denver Intl.
$331 Roundtrip, found 2 days ago
$331
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 25 from Helena Regional to Denver Intl., returning Mon, May 4, priced at $331 found 2 days ago
Thu, Apr 2 - Thu, Apr 9
HLN
Helena Regional
DEN
Denver Intl.
$344 Roundtrip, found 9 hours ago
$344
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Apr 2 from Helena Regional to Denver Intl., returning Thu, Apr 9, priced at $344 found 9 hours ago
Sat, Jun 6 - Sun, Jun 7
HLN
Helena Regional
DEN
Denver Intl.
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from Helena Regional to Denver Intl., returning Sun, Jun 7, priced at $345 found 1 day ago
Thu, Apr 30 - Sun, May 3
HLN
Helena Regional
DEN
Denver Intl.
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Helena Regional to Denver Intl., returning Sun, May 3, priced at $347 found 2 days ago
Sat, Apr 25 - Mon, May 4
HLN
Helena Regional
DEN
Denver Intl.
$354 Roundtrip, found 2 days ago
$354
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 25 from Helena Regional to Denver Intl., returning Mon, May 4, priced at $354 found 2 days ago
Thu, Apr 30 - Sun, May 3
HLN
Helena Regional
DEN
Denver Intl.
$357 Roundtrip, found 2 days ago
$357
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Helena Regional to Denver Intl., returning Sun, May 3, priced at $357 found 2 days ago
Sat, Jun 6 - Sun, Jun 7
HLN
Helena Regional
DEN
Denver Intl.
$366 Roundtrip, found 1 day ago
$366
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from Helena Regional to Denver Intl., returning Sun, Jun 7, priced at $366 found 1 day ago

Frequently asked questions

What route does flight number UA5911 take?
UA5911 jets from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV) and is a direct flight. This journey usually takes 3 hours and 7 minutes.
How often is UA5911 on time?
United Airlines flight number UA5911 between Denver Intl. Airport (DEN) and Arcata - Eureka Airport (ACV) departs on schedule 80% of the time — so you can relax with confidence knowing that you'll touch down at your destination ASAP. If your flight happens to be late, you can expect a wait time of approximately 13 minutes. This route has a star rating of 2.4.
What kind of plane is on flight number UA5911?
The route for flight number UA5911 is generally Denver, CO Airport (DEN-Denver Intl.) to Eureka, CA Airport (ACV-Arcata - Eureka), and the Embraer 175 is the type of aircraft you're likely to be taking off 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 UA5911 flight with Travelocity, please visit our Customer Service Portal.