2026 airline guide

Allegiant Air: check-in, bags & seats

Check-in & Cutoffs

Online window, airport check-in cutoffs, and bag-drop deadlines

Baggage Fees & Size Limits

Carry-on rules, checked bag fees, oversize and sports equipment

Seats & Upgrades

Economy seat pitch and width, upgrade options, seats to avoid

Routes & hubs

Top routes, hub airports, and where this airline flies

Fees & policies

Seat selection, change, cancel, pet, and phone booking fees.

Miles & loyalty

Earn rates, elite tiers, best redemptions, and partner airlines.

Upgrades

How to get upgraded — elite status, miles, bid upgrades, and gate upgrades.

International

International routes, baggage fees, passport requirements, and check-in rules.

Allegiant Air quick facts

Online check-in opens24 hours before departure

Domestic bag drop closes1 hour before departure (no more than 2 hours before)

First checked bag (main cabin)Varies by route; use allegiantair.com baggage calculator (no published flat fee)

Carry-on fee (base fare)$10 to $75 (varies by route and when purchased; lowest pre-purchase online, highest at gate)

Fully a-la-carte model: base fare covers only the seat — carry-on and checked bag fees always apply and vary by route and when purchased (pre-purchase online is cheapest; gate fees are highest at $50 to $75).
Allways Rewards Visa cardholders receive complimentary priority check-in and boarding plus one free drink onboard.
Allegiant is primarily a domestic US carrier flying smaller regional airports; no distinct basic vs. standard fare tiers, so no separate basic economy baggage rules.

Know exactly when to leave home

The Leave-By calculator factors in your drive time, parking, check-in, bag drop, and security — so you hit the gate with time to spare.

Data verified 2026-06-28. Always confirm times and fees on the Allegiant Air website before you fly.