Cheap Allegiant Air Flights & Tickets
Find the cheapest Allegiant Air flight tickets and deals
Swipe up to view more
Popular Allegiant Air Destinations
Discover popular destinations served by Allegiant Air and get flight tickets for your next journey! Whether you're planning a romantic getaway, a family vacation, or a solo adventure, book your flight ticket and explore the world's most sought-after locations with Allegiant Air.
New York
Tampa
From €64
Search Now
Las Vegas
Sacramento
From €71
Search Now
Tampa
New York
From €60
Search Now
Chicago
Las Vegas
From €176
Search Now
Harrisburg
Orlando
From €166
Search Now
Orlando
Boston
From €187
Search Now
Tampa
Chicago
From €219
Search Now
Orlando
London
From €413
Search Now
New York
San Jose
From €190
Search Now
About Allegiant Air
Airline Code
G4
Airline Name
Allegiant Air
Local Name
Allegiant Air
Airline Type
Low-cost carrier
Home Country
United States
Year of Establishment
1997
Routes
124
Destinations
124
Annual Passengers (Million)
6
Fleets
126
Allegiant Air Travel Classes
Economy Class
Experience affordable comfort and convenience with Allegiant Air Economy Class, providing a seamless travel experience for budget-conscious travelers.
Complimentary food and drinks
In-flight entertainment
Frequently Asked Questions
Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.
Site Operator: Trip.com Travel Singapore Pte. Ltd.