| Country | Nevada |
|---|---|
| IATA code | G4 |
| ICAO code | AAY |
| Web-site | www.allegiantair.com |
Allegiant Air was founded in 1997. The airline’s main hub is McCarran International Airport. Allegiant Air headquarters are located in Summerlin, Nevada. The current fleet comprises such aircraft as Airbus A319-100, Airbus A320-200, 18, McDonnell Douglas MD-83, McDonnell Douglas MD-88.
| № | City | Country | Airport | IATA code | ICAO code |
| 1 | Springfield, IL | United States of America | Abraham Lincoln Capital | SPI | KSPI |
| 2 | Albuquerque, NM | United States of America | Albuquerque International Sunport | ABQ | KABQ |
| 3 | Allentown, PA | United States of America | Allentown Lehigh Valley International | ABE | KABE |
| 4 | Appleton, WI | United States of America | Appleton International | ATW | KATW |
| 5 | Asheville, NC | United States of America | Asheville Regional | AVL | KAVL |
| 6 | Austin, TX | United States of America | Austin-Bergstrom International | AUS | KAUS |
| 7 | Baltimore, MD | United States of America | Baltimore/Washington International | BWI | KBWI |
| 8 | Bangor, ME | United States of America | Bangor International | BGR | KBGR |
| 9 | Bellingham, WA | United States of America | Bellingham International | BLI | KBLI |
| 10 | Billings, MT | United States of America | Billings Logan International | BIL | KBIL |
| 11 | Flint, MI | United States of America | Bishop International | FNT | KFNT |
| 12 | Bismarck, ND | United States of America | Bismarck | BIS | KBIS |
| 13 | Bloomington-Normal, IL | United States of America | Bloomington Central Illinois Regional | BMI | KBMI |
| 14 | Boise, ID | United States of America | Boise | BOI | KBOI |
| 15 | Bozeman, MT | United States of America | Bozeman Yellowstone International | BZN | KBZN |
| 16 | Casper, WY | United States of America | Casper/Natrona County International | CPR | KCPR |
| 17 | Cedar Rapids, IA | United States of America | Cedar Rapids Eastern Iowa | CID | KCID |
| 18 | Grand Island, NE | United States of America | Central Nebraska Regional | GRI | KGRI |
| 19 | Chattanooga, TN | United States of America | Chattanooga Metropolitan | CHA | KCHA |
| 20 | Chicago, IL | United States of America | Chicago Rockford | RFD | KRFD |
| 21 | Cincinnati, OH | United States of America | Cincinnati/Northern Kentucky International | CVG | KCVG |
| 22 | Cleveland, OH | United States of America | Cleveland Hopkins International | CLE | KCLE |
| 23 | Colorado Springs, CO | United States of America | Colorado Springs | COS | KCOS |
| 24 | Columbus, OH | United States of America | Columbus Rickenbacker International | LCK | KLCK |
| 25 | Concord, NC | United States of America | Concord Regional | USA | KJQF |
| 26 | Dayton, OH | United States of America | Dayton International | DAY | KDAY |
| 27 | Denver, CO | United States of America | Denver International | DEN | KDEN |
| 28 | Des Moines, IA | United States of America | Des Moines International | DSM | KDSM |
| 29 | Valparaiso, FL | United States of America | Destin-Fort Walton Beach International | VPS | KVPS |
| 30 | El Paso, TX | United States of America | El Paso International | ELP | KELP |
| 31 | Elmira, NY | United States of America | Elmira Corning Regional | ELM | KELM |
| 32 | Eugene, OR | United States of America | Eugene | EUG | KEUG |
| 33 | Evansville, IN | United States of America | Evansville Regional | EVV | KEVV |
| 34 | Fayetteville, AR | United States of America | Fayetteville Northwest Arkansas Regional | XNA | KXNA |
| 35 | Fort Lauderdale, FL | United States of America | Fort Lauderdale-Hollywood International | FLL | KFLL |
| 36 | Fort Wayne, IN | United States of America | Fort Wayne International | FWA | KFWA |
| 37 | Fresno, CA | United States of America | Fresno Yosemite International | FAT | KFAT |
| 38 | Grand Forks, ND | United States of America | Grand Forks International | GFK | KGFK |
| 39 | Grand Junction, CO | United States of America | Grand Junction Regional | GJT | KGJT |
| 40 | Grand Rapids, MI | United States of America | Grand Rapids Gerald R Ford International | GRR | KGRR |
| 41 | Great Falls, MT | United States of America | Great Falls International | GTF | KGTF |
| 42 | Rochester, NY | United States of America | Greater Rochester International | ROC | KROC |
| 43 | Greenville, SC | United States of America | Greenville-Spartanburg International | GSP | KGSP |
| 44 | Gulfport, MS | United States of America | Gulfport-Biloxi International | GPT | KGPT |
| 45 | Harrisburg, PA | United States of America | Harrisburg International | MDT | KMDT |
| 46 | Fargo, ND | United States of America | Hector International | FAR | KFAR |
| 47 | Huntington, WV | United States of America | Huntington Tri-State | HTS | KHTS |
| 48 | Idaho Falls, ID | United States of America | Idaho Falls Regional | IDA | KIDA |
| 49 | Indianapolis, IN | United States of America | Indianapolis International | IND | KIND |
| 50 | Jacksonville, FL | United States of America | Jacksonville International | JAX | KJAX |