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There are 2 airports in Helena. Helena Airport (HLN) is Helena’s primary airport with at least domestic flights and international flights departing from its runways every week. As of today, airlines operate out of Helena Airport (HLN). Helena Airport (HLN) is 2.2 miles from Helena and offers nonstop flights to cities. Helena’s secondary airport Butte Airport (BTM) is 49.6 miles from Helena and has airlines operating out of it and offers nonstop flights to cities with at least domestic flights and international flights departing each week.