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There are 2 airports in Harlingen. Valley Intl Airport (HRL) is Harlingen’s primary airport with at least domestic flights and international flights departing from its runways every week. As of today, airlines operate out of Valley Intl Airport (HRL). Valley Intl Airport (HRL) is 4.2 miles from Harlingen and offers nonstop flights to cities. Harlingen’s secondary airport Gen Lucio Blanco Airport (REX) is 35.3 miles from Harlingen and has airlines operating out of it and offers nonstop flights to cities with at least domestic flights and international flights departing each week.