The cheapest times to fly from HLN to GRB are

  • January 1st to February 4th
  • March 26th to June 3rd (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 HLN to GRB is early to mid January. Prices can be as high as $933 for Sunday flights during mid December, or as low as $298 for Tuesday flights around early to mid January.


When to Fly to Green Bay

Flying from Helena, MT (HLN) to Green Bay, WI (GRB) will usually cost between $358 to $785 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid January with an average ticket price of $436. Due to high demand the most expensive time to fly is mid December, with an average price of $778. Planning your trip to low-cost times can easily save you $342 on economy flights and even more on first-class flights. Generally, any price below $518 can be considered a good price for a round-trip HLN to GRB flight.

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

HLN to GRB Flight Prices

Compared to other flights, the HLN to GRB flight is cheaper than the average and costs less than the average flight leaving from Helena. The average price per mile (for a direct flight) is $0.28, 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 $210 (31%) 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 $425. Return trip prices are from the GRB to HLN 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 HLN to GRB can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 4 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 HLN to GRB while comparing.

Destination alternative #1: General Mitchell International Airport (MKE) in Milwaukee, WI

  • 107 miles (172 km) away from GRB
  • Usually 18.34% less expensive than GRB
  • 1-layover flights available

See HLN to MKE flights

Destination alternative #2: Dane County Regional-Truax Field Airport (MSN) in Madison, WI

  • 111 miles (179 km) away from GRB
  • Usually 6.95% less expensive than GRB
  • 1-layover flights available

See HLN to MSN flights

Destination alternative #3: Central Wisconsin Airport (CWA) in Mosinee, WI

  • 78 miles (126 km) away from GRB
  • Usually 1.93% less expensive than GRB
  • 1-layover flights available

See HLN to CWA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Green Bay Austin Straubel International Airport to Helena Regional Airport?

The distance between the two airports is roughly 1159 miles or 1865 kilometers.

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

The real-world flight time for a nonstop HLN to GRB flight is about 3 hour 4 minutes.

How many flights go between Helena, MT and Green Bay, WI?

It depends on the day of the week and the date, but a typical day might have around 25 available flights from HLN to GRB.


Airport Location Info


Departing Airport

Origination code HLN
Origination airport name Helena Regional Airport
City Helena, MT
Country the United States
Latitude 46.6
Longitude -112

Return Airport

Destination code GRB
Destination airport name Green Bay Austin Straubel International Airport
City Green Bay, WI
Country the United States
Latitude 44.5
Longitude -88.1


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.