$224 Cheap United flights Helena (HLN) to Denver (DEN)

View $224 flight on Fri, Aug 29, 2025Opens in a new window

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$224 Cheap United flights Helena (HLN) to Denver (DEN)

Prices were available within the past 7 days and start at $224 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 29 - Mon, Sep 1
HLN
Helena
DEN
Denver
$209 Roundtrip, found 4 hours ago
$209
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Aug 29 from Helena to Denver, returning Mon, Sep 1, priced at $209 found 4 hours ago
United
Tue, Aug 12 - Tue, Aug 19
HLN
Helena
DEN
Denver
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 12 from Helena to Denver, returning Tue, Aug 19, priced at $219 found 2 days ago
United
Thu, Aug 14 - Sun, Aug 17
HLN
Helena
DEN
Denver
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 14 from Helena to Denver, returning Sun, Aug 17, priced at $229 found 2 days ago
United
Mon, Sep 8 - Sun, Sep 14
HLN
Helena
DEN
Denver
$244 Roundtrip, found 11 hours ago
$244
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Sep 8 from Helena to Denver, returning Sun, Sep 14, priced at $244 found 11 hours ago
United
Thu, Aug 28 - Thu, Sep 4
HLN
Helena
DEN
Denver
$279 Roundtrip, found 8 hours ago
$279
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Aug 28 from Helena to Denver, returning Thu, Sep 4, priced at $279 found 8 hours ago
United
Wed, Aug 20 - Sun, Sep 7
HLN
Helena
DEN
Denver
$289 Roundtrip, found 20 hours ago
$289
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Aug 20 from Helena to Denver, returning Sun, Sep 7, priced at $289 found 20 hours ago
United
Wed, Aug 13 - Sat, Aug 16
HLN
Helena
DEN
Denver
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 13 from Helena to Denver, returning Sat, Aug 16, priced at $299 found 1 day ago
Flights from Helena (HLN) to Denver (DEN)
Origin airport
Helena Regional
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
594 mi
Average flight time
2 hours 3 mins

Frequently asked questions

How much is a United Airlines flight from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN)?
Scoring cheap one-way United Airlines flights from HLN to DEN from $224 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $209 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from HLN to DEN with United Airlines?
United Airlines flights to Denver are generally more affordable in the low-season months of January and November. Whether you're after a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN) with United Airlines?
Look for affordable United Airlines flights from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN)?
Easily travel from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN) on one of United Airlines's 14 weekly direct flights. Use Expedia's "Nonstop" and "Airline" filters to find the United Airlines flight that'll land at DEN at a time that suits you.
How long does it take to fly from HLN to DEN with United Airlines?
On average, it takes 2h 8m to fly nonstop from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN) with United Airlines.
Which day of the week has the most United Airlines flights from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN)?
Thursday has the most United Airlines flights from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN). With 2 daily departures, this is a great day to find something that will suit your plans.
What is the earliest United Airlines flight from HLN to DEN?
The earliest flight from HLN to DEN with United Airlines leaves at 6:45AM UTC-7. You'll touch down at 8:59AM UTC-7. The final United Airlines flight of the day leaves at 2:25PM UTC-7 and arrives at 4:28PM UTC-7. With approximately 20% fewer cancellations for departures before noon, starting your travel day early is usually the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Denver?
United Airlines flights from Helena Regional Airport (HLN) to Denver come in to land at Denver Intl. Airport (DEN). This is the main gateway here.
Why fly with United Airlines from HLN to DEN?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to depart from HLN to DEN with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN)?
United Airlines typically uses Bombardier CRJ planes for flights from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN). Keep in mind that aircraft type can differ depending on operational needs, so the plane you catch might be different on the day.
Can I change or cancel my United Airlines flight from Helena Regional Airport (HLN) to Denver Intl. Airport (DEN)?
In most cases, you can cancel or modify your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Use our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for more details.

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