182 € Cheap Flights from Denver (DENA) to Helena (HLN)

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Flight deals from Denver to Helena

Looking for a cheap last-minute deal or the best return flight from Denver to Helena? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Helena

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Helena flights are currently cheapest in May.

Direct flights from Denver to Helena

Denver to Helena: Alternative routes

Compare routes from Denver to Helena below. You may find an airport to fly into that's cheaper, faster, or easier than Helena.

Denver to Helena: Flight information

The things to know before you go.
Cheapest flight found182 €
Cheapest month to flyMay
Average flight time2 hrs, 7 mins
Most popular airlineUnited
Average flights per week70

Finding cheap flights from Denver to Helena: Frequently asked questions

The best price we found for a return flight from Denver to Helena is 182 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 7 minutes is the average flight time from Denver to Helena.
United and SkyWest Airlines fly direct from Denver to Helena.
As of November 2025, there are 35 flights per week flying from Denver to Helena.
The cheapest month to fly from Denver to Helena is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Helena Airport on Saturday, 23 May 2026.
Yes – the average flight time is 2 hours and 7 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Helena but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Helena is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Helena is United .

Travelling from Denver to Helena Regional Airport (HLN): What you need to know

  • Your boarding pass to adventure starts at Denver's main airport, Denver International Airport (DEN). Check out the options for reserving a flight from Denver to Helena Regional Airport (HLN) departing from this base.

  • The average time for a direct Denver to Helena Regional Airport flight is 1 hour 55 minutes.

  • Helena Regional Airport is located in Helena. The city's timezone is UTC-6, which is the same as Denver.

  • Denver International Airport (DEN) to Helena Regional Airport (HLN) is the most popular route. There are 16 direct flights a week to choose from. If you have things to do before heading off, take the last flight with United Airlines at 7:24pm. Opt for the first DEN to HLN departure operated by United Airlines at 11:16am if you want to get going earlier.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to board your flight from Denver to HLN.

  • With more people on the move during high season, it's wise to be at your terminal even earlier. Two hours for domestic flights and up to four for international trips will help you deal with longer queues.

Airports in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) provides a hassle-free way to reach your destination. Nonstop flights from Denver to Helena Regional Airport (HLN) take off from this terminal.

  • You'll find a direct flight from Denver to Helena Regional Airport with United Airlines. This top carrier operates departures from DEN.

  • The airline most travellers choose when flying between DEN and HLN is United Airlines.

  • With an impressive 80.0% of services landing on schedule, United Airlines ranks as the most on-time carrier flying this route.

  • DEN is about 40 kilometres from central Denver. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 1 hour 30 minutes.

  • Need a convenient place to stay before your flight from Denver to Helena Regional Airport? Consider Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to Denver International Airport.

  • 80.23% of flights departing from Denver International Airport reach their destination as planned. With its strong on-time performance, you're unlikely to experience delays when taking off from DEN.

  • DEN is located at 8500 Pena Boulevard.

About Helena Regional Airport (HLN)

Getting from Helena Regional Airport (HLN) to central Helena

  • Central Helena is around 6 kilometres from Helena Regional Airport and takes about 15 minutes to reach by car. Explore your options for getting into the city, whether that's with a cab, car hire or ride-share.

  • If you're taking public transport, expect a journey time of around 1 hour 50 minutes.

How to find the cheapest flights from Denver to Helena Regional Airport (HLN)

  • 202 € is the lowest price for a one-way ticket from Denver to Helena Regional Airport. Return flights start at 182 €. These prices may change based on demand and availability.

  • To find cheap flights from Denver to HLN, book ahead. Airlines tend to offer the most competitive fares when tickets are first released.

  • If you have some flexibility with your travel dates, use the 'Whole month' tool. It'll show you the lowest price in each month when searching for your Denver to Helena Regional Airport ticket.

  • Snapping up a cheap plane ticket from Denver to HLN couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Find a cheap flight from Denver to Helena Regional Airport by using filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Denver to Helena Regional Airport (HLN)

  • It's time to work out your travel dates for your flight from Denver to Helena Regional Airport (HLN). July is the busiest month to visit Helena. If you like things a bit more low-key, head there in February.

  • Before locking in your Denver to HLN plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Helena, with temperatures ranging from 9ºC (48ºF) to 31ºC (88ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from Denver to Helena Regional Airport in December when temperatures are between -15ºC (5ºF) and 2ºC (36ºF).

More about Helena

  • Once you've booked your flight from Denver to Helena Regional Airport, find a hotel that's got location and comfort covered. Make one of these options your base for exploring Helena:

  • Spring Meadow Lake State Park and Mount Helena are a couple of top-rated attractions to add to your Helena travel itinerary. Continue your sightseeing adventures at Lewis & Clark Brewing Company.

Explore more of the United States

  • You've visited Helena, now it's time to explore more of the United States. Journey about 290 kilometres east to Billings to check off its leading sights. From Museum of Women's History to St. Patrick's Co-Cathedral and Yellowstone Art Museum, your itinerary will be busy.

  • Missoula is another essential stop in the United States and is around 153 kilometres west of Helena. No journey is complete without dropping by Mt Jumbo Trailhead, Mt Jumbo and Street Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.