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Cheap flights from Green Bay to Helena from $369

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Helena departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Green Bay to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:42 am - 9:26 pm
GRB
-
HLN
11h 44m2 stops
United Airlines Logo
6:15 am - 7:03 pm
HLN
-
GRB
11h 48m2 stops
$369United Airlines
Wed, Jan 21 - Sat, Jan 24

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Green Bay to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayHelena

GRB - HLN

GRBHLN

Green Bay Austin-Straubel

Wed 1/21

10:42 am-9:26 pm

2 stops11h 44m

Helena

Sat 1/24

6:15 am-7:03 pm

2 stops11h 48m

$369

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helena from

How to get the cheapest flight ticket from Green Bay to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Helena?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Helena from Green Bay according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 3 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Green Bay to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Helena (GRB to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Helena

Fastest flight time

11h 44m

Direct flights

None
The fastest flight from Green Bay to Helena takes 11h 44m
There are no direct flights from Green Bay to Helena. There are no popular flight routes from Green Bay to Helena.
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  • How far is Green Bay Austin-Straubel to Helena by plane?

    Green Bay Austin-Straubel and Helena are 1165.3 mi apart from one another. Typically, this will take 11h 44m by plane in normal conditions.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Helena Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Helena Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Helena Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Green Bay Austin-Straubel Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Helena?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Green Bay.

Can I find flights from Green Bay to Helena with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helena from Green Bay which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Green Bay to Helena?

Once you have performed a search for Green Bay to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Green Bay to Helena right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helena from Green Bay. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Sat 1/17
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