$165 Find Cheap Flights from Denver to Helena - Compare and Save

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

• Earliest: departs at 11:25 am and lands at 1:37 pm
• Latest: departs at 7:25 pm and lands at 9:37 pm.

The flight takes about 2h 12m.

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

• Economy Class
• First Class

A nonstop flight from Denver to Helena takes 2h 12m, 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.

Round-trip flights from Denver to Helena range from $280 to $448, with an average of $344 over the past 12 months. Anything below $280 counts as a good deal.

On this route, nonstop and layover fares are close on average, with nonstop at $349 round-trip and layover options via Salt Lake City (SLC) at $351.

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.

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%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $319 to $1,246. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Denver to Helena are currently lower than usual. Average one-way flight prices are about $237, which is 7% below the typical average for this route.

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

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

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

Yes. Flexible dates can save you up to 58% on flights from Denver to Helena. Friday is the cheapest departure day at $288 round-trip on average, while Tuesday is the most expensive at $683, a difference of $395.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Denver and Helena.

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).

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.

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

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