United Flight UA5911 Deals & Information (2025/2026)

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United Flight 5911 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $209 and $227 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 31 - Sun, Nov 2
HLN
Helena Regional
DEN
Denver Intl.
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 31 from Helena Regional to Denver Intl., returning Sun, Nov 2, priced at $209 found 3 hours ago
Thu, Oct 9 - Thu, Oct 16
HLN
Helena Regional
DEN
Denver Intl.
$223 Roundtrip, found 3 hours ago
$223
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Oct 9 from Helena Regional to Denver Intl., returning Thu, Oct 16, priced at $223 found 3 hours ago
Wed, Dec 24 - Mon, Dec 29
HLN
Helena Regional
DEN
Denver Intl.
$249 Roundtrip, found 6 hours ago
$249
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Dec 24 from Helena Regional to Denver Intl., returning Mon, Dec 29, priced at $249 found 6 hours ago
Fri, Oct 3 - Fri, Oct 10
HLN
Helena Regional
DEN
Denver Intl.
$262 Roundtrip, found 3 hours ago
$262
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 3 from Helena Regional to Denver Intl., returning Fri, Oct 10, priced at $262 found 3 hours ago
Fri, Oct 31 - Sun, Nov 2
HLN
Helena Regional
DEN
Denver Intl.
$279 Roundtrip, found 3 hours ago
$279
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 31 from Helena Regional to Denver Intl., returning Sun, Nov 2, priced at $279 found 3 hours ago
Wed, Dec 24 - Mon, Dec 29
HLN
Helena Regional
DEN
Denver Intl.
$289 Roundtrip, found 6 hours ago
$289
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Dec 24 from Helena Regional to Denver Intl., returning Mon, Dec 29, priced at $289 found 6 hours ago
Fri, Oct 3 - Fri, Oct 10
HLN
Helena Regional
DEN
Denver Intl.
$292 Roundtrip, found 3 hours ago
$292
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 3 from Helena Regional to Denver Intl., returning Fri, Oct 10, priced at $292 found 3 hours ago
Thu, Oct 9 - Thu, Oct 16
HLN
Helena Regional
DEN
Denver Intl.
$294 Roundtrip, found 3 hours ago
$294
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Oct 9 from Helena Regional to Denver Intl., returning Thu, Oct 16, priced at $294 found 3 hours 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.