The cheapest times to fly from ROC to HLN are

  • January 1st to March 4th (except the week of February 12th)
  • April 16th to June 10th (except the week of May 14th)
  • October 22nd to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ROC to HLN is late January. Prices can be as high as $1273 for Sunday flights during early August, or as low as $347 for Tuesday flights around late January.


When to Fly to Helena

Flying from Rochester, NY (ROC) to Helena, MT (HLN) will usually cost between $445 to $931 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $516. Due to high demand the most expensive time to fly is early August, with an average price of $1205. Planning your trip to low-cost times can easily save you $689 on economy flights and even more on first-class flights. Generally, any price below $646 can be considered a good price for a round-trip ROC to HLN flight.

See below for a graph of average weekly prices for the ROC to HLN route. All prices are for round-trip tickets in USD.

ROC to HLN Flight Prices

Compared to other flights, the ROC to HLN flight is cheaper than the average and costs less than the average flight leaving from Rochester. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $292 (36%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $523. Return trip prices are from the HLN to ROC flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ROC to HLN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 1 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ROC to HLN while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 70 miles (113 km) away from HLN
  • Usually 27.01% less expensive than HLN
  • 1-layover flights available

See ROC to BZN flights

Destination alternative #2: Missoula International Airport (MSO) in Missoula, MT

  • 102 miles (164 km) away from HLN
  • Usually 12.38% less expensive than HLN
  • 1-layover flights available

See ROC to MSO flights


Flight Hacking ROC to HLN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ROC to HLN — but Champion Traveler does!

Hack #1: Minneapolis, MN (ROC > MSP > HLN)

  • Price for both tickets: $606
  • Average savings: $41 (6.27%)

See ROC to MSP flights

Hack #2: Salt Lake City, UT (ROC > SLC > HLN)

  • Price for both tickets: $620
  • Average savings: $26 (4.02%)

See ROC to SLC flights

Hack #3: Chicago, IL (ROC > ORD > HLN)

  • Price for both tickets: $631
  • Average savings: $16 (2.4%)

See ROC to ORD flights


Flight Questions Answered

Still have questions about flying from ROC to HLN? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, SAS, United, and potentially more during busy seasons.

How far away is it from Helena Regional Airport to Greater Rochester International Airport?

The distance between the two airports is roughly 1684 miles or 2710 kilometers.

How long does it take to fly from ROC to HLN?

The real-world flight time for a nonstop ROC to HLN flight is about 4 hour 1 minutes.

How many flights go between Rochester, NY and Helena, MT?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from ROC to HLN.


Airport Location Info


Departing Airport

Origination codeROC
Origination airport nameGreater Rochester International Airport
CityRochester, NY
Countrythe United States

Return Airport

Destination codeHLN
Destination airport nameHelena Regional Airport
CityHelena, MT
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.