Skyscanner home

Cheap Flights from Helena to Denver International

Compare Helena to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Helena to Denver International

Looking for a cheap last-minute deal or the best return flight from Helena Airport to Denver International Airport? If you want to travel next month, return fares start from $480. Find the lowest prices on one-way and return tickets right here.
Denver.$461 per passenger.Departing Wed, 13 Jan, returning Wed, 27 Jan.Return flight with United.Outbound direct flight with United departs from Helena on Wed, 13 Jan, arriving in Denver International.Inbound direct flight with United departs from Denver International on Wed, 27 Jan, arriving in Helena.Price includes taxes and charges.From $461, select.
Denver.$476 per passenger.Departing Thu, 3 Sep, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from Helena on Thu, 3 Sep, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sun, 6 Sep, arriving in Helena.Price includes taxes and charges.From $476, select.
Denver.$480 per passenger.Departing Sat, 22 Aug, returning Fri, 28 Aug.Return flight with United.Outbound direct flight with United departs from Helena on Sat, 22 Aug, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 28 Aug, arriving in Helena.Price includes taxes and charges.From $480, select.
Denver.$481 per passenger.Departing Sat, 14 Nov, returning Sat, 21 Nov.Return flight with United.Outbound direct flight with United departs from Helena on Sat, 14 Nov, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sat, 21 Nov, arriving in Helena.Price includes taxes and charges.From $481, select.
Denver.$481 per passenger.Departing Mon, 7 Dec, returning Mon, 14 Dec.Return flight with United.Outbound direct flight with United departs from Helena on Mon, 7 Dec, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 14 Dec, arriving in Helena.Price includes taxes and charges.From $481, select.
Denver.$481 per passenger.Departing Fri, 25 Dec, returning Fri, 1 Jan.Return flight with United.Outbound direct flight with United departs from Helena on Fri, 25 Dec, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 1 Jan, arriving in Helena.Price includes taxes and charges.From $481, select.
Denver.$481 per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with United.Outbound direct flight with United departs from Helena on Wed, 26 Aug, arriving in Denver International.Inbound direct flight with United departs from Denver International on Tue, 1 Sep, arriving in Helena.Price includes taxes and charges.From $481, select.
Denver.$481 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United.Outbound direct flight with United departs from Helena on Thu, 26 Nov, arriving in Denver International.Inbound direct flight with United departs from Denver International on Thu, 3 Dec, arriving in Helena.Price includes taxes and charges.From $481, select.
Denver.$515 per passenger.Departing Fri, 30 Oct, returning Sun, 1 Nov.Return flight with United.Outbound direct flight with United departs from Helena on Fri, 30 Oct, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sun, 1 Nov, arriving in Helena.Price includes taxes and charges.From $515, select.
Denver.$550 per passenger.Departing Sun, 20 Sep, returning Fri, 2 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Helena on Sun, 20 Sep, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Fri, 2 Oct, arriving in Helena.Price includes taxes and charges.From $550, select.
Denver.$568 per passenger.Departing Sun, 20 Sep, returning Fri, 2 Oct.Return flight with United.Outbound direct flight with United departs from Helena on Sun, 20 Sep, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 2 Oct, arriving in Helena.Price includes taxes and charges.From $568, select.
Denver.$714 per passenger.Departing Fri, 31 Jul, returning Fri, 14 Aug.Return flight with United.Outbound direct flight with United departs from Helena on Fri, 31 Jul, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 14 Aug, arriving in Helena.Price includes taxes and charges.From $714, select.
Denver.$891 per passenger.Departing Wed, 14 Oct, returning Fri, 16 Oct.Return flight with United.Outbound direct flight with United departs from Helena on Wed, 14 Oct, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 16 Oct, arriving in Helena.Price includes taxes and charges.From $891, select.

Find the cheapest month to fly from Helena to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Helena to Denver International flights are currently cheapest in January.
Jul
Find prices
Aug
from $480
Sep
from $476
Oct
from $891
Nov
from $481
Dec
from $481
Jan
from $461
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
Find prices

Direct flights from Helena to Denver International

Helena to Denver International: Alternative routes

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

Denver International

30km from central Denver
ClosestCheapest
from $461
Search flights

Helena to Denver: Flight information

The things to know before you go.
Cheapest flight found$461
Cheapest month to flyJanuary
Average flight time2 hrs, 7 mins
Most popular airlineUnited
Average flights per week31

Finding cheap flights from Helena to Denver International: Frequently asked questions

The best price we found for a return flight from Helena to Denver International is $461. 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 Helena to Denver International.
United and SkyWest Airlines fly direct from Helena to Denver International.
As of July 2026, there are 31 flights per week flying from Helena to Denver International.
The cheapest month to fly from Helena to Denver International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Helena Airport to Denver International Airport on Wednesday, 13 January 2027.
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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Denver International.

Travelling from Helena Airport (HLN) to Denver International Airport (DEN): what you need to know

  • Around 2 hours is how long you'll be travelling on a direct flight from Helena Airport to Denver International Airport.

  • Helena and Denver are both in the UTC-7 timezone. That means there's no time difference to consider.

  • Flights from HLN to DEN start at 06:30 — the earliest with United Airlines. The last service of the day is at 17:39 with United Airlines. In total, you can choose from 15 weekly Helena Airport to Denver International Airport flights.

  • Give yourself enough time to make your HLN to DEN flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as October? Major public holidays and other popular periods can lead to longer lines at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Getting to Denver (and then seeing more of the United States!) is a cinch with United. This popular carrier offers direct flights from Helena Airport to Denver International Airport.

  • The airline that serves the most passengers on this route is United.

  • United stands out as the most punctual carrier for HLN to DEN flights, with 85.38% of its services landing on schedule.

  • Opt for a stopover if you want to break up your flight. Just deselect 'Direct flights only' to look at all your options for tickets from Helena Airport to Denver International Airport. Salt Lake City Airport is a popular stopover on the HLN to DEN route.

Handy information about Helena Airport (HLN)

  • You'll find HLN at 2850 Mercer Loop.

  • Helena Airport has a strong on-time performance, making delays less likely. Departures from HLN touch down on schedule 85% of the time.

  • Helena Airport is about 13 kilometres from central Helena. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a trip time of around 25 minutes.

  • Taking an early flight from Helena Airport to Denver International Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays near HLN:

Arriving at Denver International Airport (DEN)

  • Consider checking in to Baymont by Wyndham Denver International Airport after arriving from your Helena Airport to Denver International Airport flight. It's a short drive from DEN and a comfortable option if you want to get some sleep right away.

  • Say yes to new adventures by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's usual tourist stops.

  • Lock in the best possible rate by reserving your vehicle from Denver International Airport about one week before your trip.

Getting from Denver International Airport (DEN) to central Denver

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport to central Denver has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • It takes roughly 35 minutes if you're using public transport.

When to fly to Denver International Airport (DEN)

  • It's time to choose your dates for your flight from Helena Airport to Denver International Airport. July is the most popular month to head to Denver. If you like a more laid-back vibe, go in January.

  • Lock in your flight from Helena Airport to Denver International Airport for July if you'd like to explore Denver during its warmest month. You can expect temperatures of between 14ºC and 32ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from HLN to DEN in January. Average temperatures are between -9ºC and 7ºC then.

Explore more of the United States

  • You've visited Denver, now it's time to discover other parts of the United States. Travel around 105 kilometres south to Colorado Springs to tick off its top sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you'll have a full itinerary ahead.

  • If you're interested in discovering another well-known destination in the United States, consider Aurora, about 13 kilometres east of Denver. Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing are key reasons to visit.

More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.