Allegiant Air Terminals
- Allegiant Air XNA Terminal – Northwest Arkansas National Airport
- Allegiant Air VPS Terminal – Destin-Fort Walton Beach Airport
- Allegiant Air TVC Terminal – Cherry Capital Airport
- Allegiant Air TUL Terminal – Tulsa Airport
- Allegiant Air TRI Terminal – Tri-Cities Airport
- Allegiant Air TOL Terminal – Eugene F. Kranz Toledo Express Airport
- Allegiant Air SYR Terminal – Syracuse Hancock Airport
- Allegiant Air SWF Terminal – New York Stewart Airport
- Allegiant Air SRQ Terminal – Sarasota Bradenton Airport
- Allegiant Air SPI Terminal – Abraham Lincoln Capital Airport
- Allegiant Air SNA Terminal – John Wayne Airport
- Allegiant Air SMX Terminal – Santa Maria Airport
- Allegiant Air SHV Terminal – Shreveport Regional Airport
- Allegiant Air SGF Terminal – Springfield-Branson National Airport
- Allegiant Air SFB Terminal – Orlando Sanford Airport
- Allegiant Air SGF Terminal – Springfield-Branson National Airport
- Allegiant Air SCK Terminal – Stockton Metropolitan Airport
- Allegiant Air SBN Terminal – South Bend Airport
- Allegiant Air SAV Terminal – Hilton Head Airport
- Allegiant Air SAT Terminal – San Antonio Airport
- Allegiant Air ROC Terminal – Frederick Douglass Greater Rochester Airport
- Allegiant Air ROA Terminal – Roanoke-Blacksburg Regional Airport
- Allegiant Air RNO Terminal – Reno-Tahoe Airport
- Allegiant Air RIC Terminal – Richmond Airport
- Allegiant Air RFD Terminal – Chicago Rockford Airport
- Allegiant Air RDU Terminal – Raleigh-Durham Airport
- Allegiant Air RDM Terminal – Redmond Municipal Airport
- Allegiant Air RAP Terminal – Rapid City Regional Airport
- Allegiant Air PSP Terminal – Palm Springs Airport
- Allegiant Air PSM Terminal – Portsmouth Airport
- Allegiant Air PIE Terminal – St. Pete–Clearwater Airport
- Allegiant Air PIA Terminal – General Wayne A. Downing Peoria Airport
- Allegiant Air PHF Terminal – Williamsburg Airport
- Allegiant Air PGD Terminal – Punta Gorda Airport
- Allegiant Air PBI Terminal – Palm Beach Airport
- Allegiant Air PBG Terminal – Plattsburgh Airport
- Allegiant Air OWB Terminal – Owensboro-Daviess County Regional Airport
- Allegiant Air OKC Terminal – Will Rogers World Airport
- Allegiant Air ORF Terminal – Norfolk Airport
- Allegiant Air OAK Terminal – Oakland Airport
- Allegiant Air MYR Terminal – Myrtle Beach Airport
- Allegiant Air MTJ Terminal – Montrose Regional Airport
- Allegiant Air MSY Terminal – Louis Armstrong New Orleans Airport
- Allegiant Air MSP Terminal – Minneapolis–Saint Paul Airport
- Allegiant Air MSO Terminal – Missoula Montana Airport
- Allegiant Air MRY Terminal – Monterey Regional Airport
- Allegiant Air MOT Terminal – Minot Airport
- Allegiant Air MLI Terminal – Quad Cities Airport
- Allegiant Air MLB Terminal – Melbourne Orlando Airport
- Allegiant Air MFE Terminal – McAllen Airport
- Allegiant Air MFR Terminal – Rogue Valley Medford Airport
- Allegiant Air MEM Terminal – Memphis Airport
- Allegiant Air MDT Terminal – Harrisburg Airport
- Allegiant Air MCI Terminal – Kansas City Airport
- Allegiant Air MAN Terminal – Manchester Airport
- Allegiant Air LRD Terminal – Laredo Airport
- Allegiant Air LIT Terminal – Bill and Hillary Clinton Airport
- Allegiant Air LEX Terminal – Blue Grass Airport
- Allegiant Air LCK Terminal – Rickenbacker Airport
- Allegiant Air LAS Terminal – Harry Reid Airport
- Allegiant Air JQF Terminal – Concord-Padgett Regional Airport
- Allegiant Air JAX Terminal – Jacksonville Airport
- Allegiant Air JAC Terminal – Jackson Hole Airport
- Allegiant Air ISP Terminal – Long Island MacArthur Airport
- Allegiant Air IND Terminal – Indianapolis Airport
- Allegiant Air ILM Terminal – Wilmington Airport
- Allegiant Air IDA Terminal – Idaho Falls Regional Airport
- Allegiant Air ICT Terminal – Wichita Dwight D. Eisenhower Airport
- Allegiant Air IAG Terminal – Niagara Falls Airport
- Allegiant Air IAD Terminal – Dulles Airport
- Allegiant Air HOU Terminal – William P. Hobby Airport
- Allegiant Air HNL Terminal – Daniel K. Inouye Airport
- Allegiant Air GTF Terminal – Great Falls Airport
- Allegiant Air GSP Terminal – Greenville-Spartanburg Airport
- Allegiant Air GSO Terminal – Piedmont Triad Airport
- Allegiant Air GRR Terminal – Gerald R. Ford Airport
- Allegiant Air GRI Terminal – Central Nebraska Regional Airport
- Allegiant Air GPT Terminal – Gulfport-Biloxi Airport
- Allegiant Air GEG Terminal – Spokane Airport
- Allegiant Air FWA Terminal – Fort Wayne Airport
- Allegiant Air FSD Terminal – Sioux Falls Regional Airport
- Allegiant Air FCA Terminal – Glacier Park Airport
- Allegiant Air FAT Terminal – Fresno Yosemite Airport
- Allegiant Air FAR Terminal – Hector Airport
- Allegiant Air EYW Terminal – Key West Airport
- Allegiant Air EWR Terminal – Newark Liberty Airport
- Allegiant Air EVV Terminal – Evansville Regional Airport
- Allegiant Air EUG Terminal – Eugene Airport
- Allegiant Air ELM Terminal – Elmira Regional Airport
- Allegiant Air ELP Terminal – El Paso Airport
- Allegiant Air DSM Terminal – Des Moines Airport
- Allegiant Air DLH Terminal – Duluth Airport
- Allegiant Air DFW Terminal – Dallas/Fort Worth Airport
- Allegiant Air DEN Terminal – Denver Airport
- Allegiant Air DAY Terminal – Dayton Airport
- Allegiant Air CVG Terminal – Northern Kentucky Airport
- Allegiant Air CPR Terminal – Casper-Natrona County Airport
- Allegiant Air CKB Terminal – North Central West Virginia Airport
- Allegiant Air CID Terminal – The Eastern Iowa Airport
- Allegiant Air CHS Terminal – Charleston Airport
- Allegiant Air CHA Terminal – Chattanooga Metropolitan Airport
- Allegiant Air CAK Terminal – Akron-Canton Airport
- Allegiant Air BTV Terminal – Burlington Airport
- Allegiant Air BNA Terminal – Nashville Airport
- Allegiant Air BMI Terminal – Central Illinois Regional Airport
- Allegiant Air BLV Terminal – MidAmerica St. Louis Airport
- Allegiant Air BLI Terminal – Bellingham Airport
- Allegiant Air BIS Terminal – Bismarck Airport
- Allegiant Air BIL Terminal – Billings-Logan Airport
- Allegiant Air BGR Terminal – Bangor Airport
- Allegiant Air AZA Terminal – Phoenix-Mesa Gateway Airport
- Allegiant Air AVL Terminal – Asheville Regional Airport
- Allegiant Air AUS Terminal – Austin-Bergstrom Airport
- Allegiant Air ATW Terminal – Appleton Airport
- Allegiant Air ALB Terminal – Albany Airport
- Allegiant Air AFJ Terminal – Washington County Airport
- Allegiant Air PDX Terminal – Portland Airport
- Allegiant Air PHX Terminal – Phoenix Sky Harbor Airport
- Allegiant Air FLL Terminal – Fort Lauderdale-Hollywood Airport
- Allegiant Air ABE Terminal – Lehigh Valley Airport