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There are 2 airports in Duluth. Duluth Intl Airport (DLH) is Duluth’s primary airport with at least domestic flights and international flights departing from its runways every week. As of today, airlines operate out of Duluth Intl Airport (DLH). Duluth Intl Airport (DLH) is 5.7 miles from Duluth and offers nonstop flights to cities. Duluth’s secondary airport Chisholm Airport (HIB) is 54.1 miles from Duluth and has airlines operating out of it and offers nonstop flights to cities with at least domestic flights and international flights departing each week.