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About Allegiant Air Flights (G4)

Popularly known as Allegiant, Allegiant Air is an ultra-low-cost airline in the United States. It operates both scheduled and chartered flights. Founded in the year 1997, Allegiant flies to 129 destinations and has become the 14th largest commercial airline in North America. Its corporate headquarters are in Summerlin, Nevada, a suburb of Las Vegas.

  • IATA code: G4
  • Year founded: 1997
  • Contact Number: +1 (702) 505-8888
  • Headquarters: Summerlin, Nevada, United States
  • Bag information: In economy, carry-on $50, 1st checked $50. Advance purchase discount available.

Fare comparison of Allegiant Air Tickets helps in getting the cheapest airline deal. With so many OTAs offering discounted airline tickets of Allegiant Air, getting the best deal requires comparing the flight fares according to the flight schedule and cabin preferences. At, enter your travel preferences and view all the relevant Allegiant Air flight deals on a single page. Select the best airfare deal and book directly on the travel website offering that without any additional charges.

Important Travel Information about Allegiant Air

  • Allegiant Air Check-in
  • Allegiant Air Baggage Fees & Policy
  • Allegiant In-Flight Amenities
  • Seat Assignment
  • Child Travel Policy
  • Pet Travel Policy
  • Allegiant MasterCard

Allegiant Air Check-in

Allegiant Air Advanced check-in is available 24 hours prior to, and up until forty-five minutes before scheduled flight departure.

  1. Passengers may choose to bring a printed copy of the Allegiant Air boarding pass or use the free and paperless Allegiant mobile app
  2. Passengers are required to bring their government-issued ID at the airport
  3. There are 3 ways to check in for your flight: mobile, online, or at the airport

Allegiant Air Check-in Options

  • Mobile Check-In via the Allegiant App (FREE):

Passengers can do free, paperless check-in on mobile devices by downloading Allegiant App. On this app, they can double-check their seat assignments and bag reservations. Allegiant Air mobile check-in starts 24 hours prior to departure.

  • Allegiant Air Online Check-In (FREE):

Passengers can check in online on the website of Allegiant Air. Online check-in starts 24 hours prior to departure of the flight. Passengers are requested to check their seat assignments and bag reservations before printing their paper boarding passes.

  • At Airport Boarding Pass Print Out ($5 per Boarding Pass):

Remember, there is a $5 fee per boarding pass to have an agent print a boarding pass at the airport. Some passengers may be required to check in at the airport ticket counter, in which case the fee will be waived. Airport check-in closes forty-five minutes before flight time.

  • Verify your Seat Assignments and Bag Reservations in advance:

If you did not purchase reserved seats, seats will be automatically assigned by the airline system during check-in starting 24 hours before departure and ending forty-five minutes before departure.

During advance check-in (mobile and online), you will be prompted to verify your bag reservations and seat assignments. You can easily make changes as long as alternate seats are available and as long as you haven’t already printed or downloaded your boarding pass(es).

Allegiant Air Baggage Fees & Policy

Bags are priced by route, per segment.

In accordance with FAA/TSA Security Directives, each passenger is limited to 2 bags in the cabin: One (1) personal item and one (1) carry-on bag.

  • Personal Item Measurement: 7 in. x 15 in. x 16 in. (17.8 cm x 38.1 cm x 40.6 cm) maximum
  • Carry-on Bag Measurement: 9 in. x 14 in. x 22 in. (22.9 cm x 35.6 cm x 55.9 cm) maximum

Checked Bags can be pre-purchased. Up to 4Checked Bags per passenger are allowed.

  • Checked Bag Measurement: 80 in. (203cm) in height + width + length maximum

*Please measure your bags carefully. All exterior measurements include wheels, pockets, handles, and decorations.

*Carry-on bag may be a roll-aboard bag, garment bag, or tote bag, not to exceed size requirements. Also, carry-on bag fees apply, usually between $10 to $75.

Allegiant In-Flight Amenities:

  1. Food and beverages are available for purchase on all Allegiant Air Flights
  2. Wi-fi is currently not available
  3. in-flight entertainment is not available, not even magazines let alone in-flight movies, TV, or music onboard

Seat Assignment on Allegiant Flights

All Allegiant flights feature comfortable seats. Passengers can select the seat of their choice, guaranteeing their comfort and location onboard at the time of booking for a nominal fee. This way, if you’re traveling with a companion, you can ensure you sit together.

Passengers who don’t pre-purchase seat assignment at the time of buying the air tickets

  • At the time of check-in, you’ll be assigned a seat by our system at no additional cost
  • If you check in online, you will be able to view your assigned seats and upgrade if desired.
  • Pre-purchase seats on an existing reservation can be changed online by downloading the Allegiant App for Android or iPhone users
  • Seat assignments can neither be changed at the airport nor once a boarding pass has been printed
  • In-Flight Amenities of Allegiant Air

Allegiant Air is a low-cost carrier. They ensure a comfortable journey but not luxury to maintain low fares. However, Allegiant Air is known to provide great deals on vacation packages.

Allegiant Air Rewards Programs and Perks (Frequent Flyer or Airline Membership)

Allegiant World Mastercard

Allegiant Air has one credit card offering called the Allegiant World Mastercard. The cardholders earn points that can be redeemed against Allegiant Air Flight fares, priority boarding, and complimentary beverages.

  • Allegiant Air Cancellation Policy

Child Policy on Allegiant Air

Allegiant Air Child Policy

For details visit

Allegiant Air Pet Policy

Allegiant Air allows small live pets in the aircraft cabin within the contiguous 48 United States. However, international destinations and U.S. territories do not accept all pets. For details, visit Allegiant Air pet policy.

Facts to know while booking flights with Allegiant (G4)

Which airline alliance is Allegiant part of?
Allegiant is not part of any airline alliance
What is Allegiant primary hub?
Allegiant concentrates most of its flight operations in LAX,PGD,AZA,AVL.
Is Allegiant safe to fly ?
Is Allegiant low cost airline ?
Where does Allegiant fly to?
Allegiant offers flights to 125 cities in 1 different countries. LAX,PGD,AZA,AVL are the most popular cities covered by Allegiant.
Can I book an Allegiant flight for any other person?
Yes, You need to complete all fields of information and provide payments details to reserve your flight.
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