United Flight 5911 Deals & Information (2025/2026)

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United Flight 5911 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $209 and $224 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 18 - Sun, May 24
HLN
Helena Regional
DEN
Denver Intl.
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from Helena Regional to Denver Intl., returning Sun, May 24, priced at $209 found 1 hour ago
Mon, Jan 5 - Mon, Jan 12
HLN
Helena Regional
DEN
Denver Intl.
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Helena Regional to Denver Intl., returning Mon, Jan 12, priced at $235 found 3 days ago
Mon, May 18 - Sun, May 24
HLN
Helena Regional
DEN
Denver Intl.
$279 Roundtrip, found 1 hour ago
$279
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from Helena Regional to Denver Intl., returning Sun, May 24, priced at $279 found 1 hour ago
Mon, May 18 - Sun, May 24
HLN
Helena Regional
DEN
Denver Intl.
$301 Roundtrip, found 1 hour ago
$301
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from Helena Regional to Denver Intl., returning Sun, May 24, priced at $301 found 1 hour ago
Mon, May 18 - Sun, May 24
HLN
Helena Regional
DEN
Denver Intl.
$303 Roundtrip, found 1 hour ago
$303
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from Helena Regional to Denver Intl., returning Sun, May 24, priced at $303 found 1 hour ago
Mon, Jan 5 - Mon, Jan 12
HLN
Helena Regional
DEN
Denver Intl.
$307 Roundtrip, found 3 days ago
$307
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Helena Regional to Denver Intl., returning Mon, Jan 12, priced at $307 found 3 days 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.