$194 Find Cheap Flights from Denver to Helena - Compare and Save

Among airlines operating Denver to Helena flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Denver and Helena.

Flights from Denver to Helena usually depart from Denver Intl (DEN) and arrive at Helena (HLN).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in First Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Denver to Helena:

• Economy Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $316 round-trip, compared to $351 via a layover through Salt Lake City (SLC).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Cessna light aircraft variants.

Connecting flights from Denver to Helena most commonly pass through:

• Salt Lake City (SLC) - 80% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 20% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 44% on the Denver to Helena route. Friday is the cheapest departure day at $284 round-trip on average, while Monday is the most expensive at $507, a difference of $223. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Denver to Helena flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Denver to Helena:

• Earliest: departs at 11:31 am and lands at 1:37 pm
• Latest: departs at 7:35 pm and lands at 9:41 pm.

The flight takes about 2h 06m.

A nonstop flight from Denver to Helena takes 2h 06m, covering 593 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $299 to $1,205. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Denver to Helena are currently higher than usual. Average one-way flight prices are about $278, which is 9% above the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 08m, compared with 7h 42m via Seattle/Tacoma Intl (SEA).

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

Round-trip flights from Denver to Helena range from $269 to $413, with an average of $315 over the past 12 months. Anything below $269 counts as a good deal.

JetBlue is the only airline on the Denver to Helena route offering in-flight Wi-Fi. Pricing depends on fare class.