United Flight UA5911 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.

Sat, Oct 25 - Sun, Oct 26
HLN
Helena Regional
DEN
Denver Intl.
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Helena Regional to Denver Intl., returning Sun, Oct 26, priced at $209 just found
Fri, Aug 29 - Mon, Sep 1
HLN
Helena Regional
DEN
Denver Intl.
$213 Roundtrip, found 3 days ago
$213
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 29 from Helena Regional to Denver Intl., returning Mon, Sep 1, priced at $213 found 3 days ago
Wed, Jul 30 - Wed, Aug 6
HLN
Helena Regional
DEN
Denver Intl.
$223 Roundtrip, found 13 hours ago
$223
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Jul 30 from Helena Regional to Denver Intl., returning Wed, Aug 6, priced at $223 found 13 hours ago
Thu, Jul 24 - Sat, Jul 26
HLN
Helena Regional
DEN
Denver Intl.
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 24 from Helena Regional to Denver Intl., returning Sat, Jul 26, priced at $234 found 4 days ago
Wed, Dec 24 - Mon, Dec 29
HLN
Helena Regional
DEN
Denver Intl.
$244 Roundtrip, found 7 hours ago
$244
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Dec 24 from Helena Regional to Denver Intl., returning Mon, Dec 29, priced at $244 found 7 hours ago
Sat, Oct 25 - Sun, Oct 26
HLN
Helena Regional
DEN
Denver Intl.
$279 Roundtrip, just found
$279
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Helena Regional to Denver Intl., returning Sun, Oct 26, priced at $279 just found
Wed, Jul 30 - Wed, Aug 6
HLN
Helena Regional
DEN
Denver Intl.
$284 Roundtrip, found 13 hours ago
$284
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Jul 30 from Helena Regional to Denver Intl., returning Wed, Aug 6, priced at $284 found 13 hours ago
Fri, Aug 29 - Mon, Sep 1
HLN
Helena Regional
DEN
Denver Intl.
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 29 from Helena Regional to Denver Intl., returning Mon, Sep 1, priced at $285 found 3 days ago
Wed, Jul 16 - Sat, Jul 19
HLN
Helena Regional
DEN
Denver Intl.
$287 Roundtrip, found 4 days ago
$287
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 16 from Helena Regional to Denver Intl., returning Sat, Jul 19, priced at $287 found 4 days ago
Wed, Dec 24 - Mon, Dec 29
HLN
Helena Regional
DEN
Denver Intl.
$292 Roundtrip, found 7 hours ago
$292
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Dec 24 from Helena Regional to Denver Intl., returning Mon, Dec 29, priced at $292 found 7 hours ago
Wed, Jul 30 - Wed, Aug 6
HLN
Helena Regional
DEN
Denver Intl.
$294 Roundtrip, found 13 hours ago
$294
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Jul 30 from Helena Regional to Denver Intl., returning Wed, Aug 6, priced at $294 found 13 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.