Allegiant Airlines Portsmouth, New Hampshire| +1 (702)765-4833
Allegiant Air Customer Service 24hours +1(702)765-4833. We are amongst the top-most airline service providers and are known for its classy traveling features, all equipped to serve you with knowledge as solutions that are required by you. The majority of individuals pick Allegiant Airlines for their travel, because of our world-class services, comfort, and convenience. Portsmouth International Airport (PSM) at Pease is located one mile west of Portsmouth’s central business district. A lounge offers snacks, sandwiches, and beverages.