Cheap flights from Helena to Denver

One-way fares from $296 · HLN → DEN · prices found by travellers in the last 48 hours

Compare all dates Denver → Helena
Cheapest fare
$296

Alaska Airlines · Sun, Nov 15

Cheapest month
November

from $296

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 31m

950 km

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Cheapest month to fly from Helena to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $296

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart16:41 Sun, Nov 15HLN → DEN 4h 31m · 1 stop
$296one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Helena to Denver

Helena (HLN) and Denver (DEN) are about 950 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 31m. Over the next few months, one-way fares start from $296, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Helena to Denver?

The cheapest one-way fare we've seen recently is $296 with Alaska Airlines, departing Sunday, November 15, 2026.

What is the cheapest month to fly from Helena to Denver?

November 2026 currently has the lowest fares, from $296 one way.

Are there direct flights from Helena to Denver?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Helena to Denver?

The quickest journey we've seen takes about 4h 31m. Helena and Denver are around 950 km apart.

Which airlines fly from Helena to Denver?

Recent fares on this route were with Alaska Airlines.

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