Contact Allegiant Air customer service
Contact Allegiant Air (G4) customer service for booking changes, refunds, Allways Rewards, baggage claims, delayed flights and US DOT passenger rights. Phone numbers and support channels for the US ultra-low-cost carrier.
Inside Allegiant Air customer service
Allegiant Air is a US ultra-low-cost carrier focused on leisure routes between smaller US airports and Florida, Las Vegas, and other leisure destinations. The customer-service model is app-first.
Allegiant Air channels: which to choose
Picking the right channel for Allegiant Air significantly cuts wait time. This guide shows where to start for each type of request.
Allegiant's app handles routine changes.
Strengths and watch-outs
Watch out
- Network does not include many major cities — point-to-point leisure focus.
At a glance — Allegiant Air
Allegiant Air is hubbed at Las Vegas (LAS) with operations from many smaller US cities. Airbus A319/A320 fleet covers around 130 US destinations.
- HQ
- Las Vegas, Nevada, United States
- Primary hub
- Harry Reid International Airport (LAS)
Common Allegiant Air support topics
Most calls to Allegiant Air customer service fall into four categories: baggage (lost, damaged or delayed luggage), refunds (after a cancellation or schedule change), name and booking changes, and same-day disruption (delays, rebookings, missed connections). Each has a different best channel — phone is usually wrong for the first two, and the right channel for the last two.
For a detailed walk-through of each scenario — including timelines, what evidence to collect, and which jurisdictional rules apply — see our editorial guides:
- Airline baggage claims: lost, damaged and delayed luggage — the 7-day deadline, Montreal Convention limits, and how to file a PIR.
- Airline refunds and vouchers — when you're owed cash (not a voucher), how long the airline has, and how to dispute a refusal.
- How to reach airline customer service fastest — channel-by-channel playbook with IVR tactics.
Frequently asked questions about Allegiant Air
- What is Allegiant Air's customer service phone number?
- Allegiant Air customer service can be reached at +1 702 505 8888.
- Where can I find Allegiant Air support online?
- Visit https://www.allegiantair.com/ for official support options.
- Does Allegiant Air customer service offer support in English?
- Yes, Allegiant Air offers English-speaking customer service. Call +1 702 505 8888 for support in English.
- Is Allegiant Air customer service available 24 hours?
- Allegiant Air customer service is not always available 24 hours a day. Check the opening hours section on this page for the current schedule.