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Allegiant Air·None
How Allegiant seat selection works by fare, extra legroom options, upgrade routes, and the family seating rules that let children sit with a parent free.
Key Travel Facts & Insights
All seat assignments are paid. Declining gets a free random assignment at check-in.
Allegiant Extra seats in rows 1–3 offer additional legroom and are sold at a premium.
Allegiant Extra can be purchased at booking or check-in where the aircraft is so equipped.
Allegiant seats children 13 and under with an accompanying adult at no cost under DOT rules.
Allegiant operates: Standard, Allegiant Extra.
All seat assignments are paid. Declining gets a free random assignment at check-in.
Allegiant seats children 13 and under with an accompanying adult at no cost under DOT rules.
Allegiant Extra can be purchased at booking or check-in where the aircraft is so equipped.
Fare rules, baggage allowances and change policies differ by route and fare brand. Our consultants confirm the exact terms attached to your itinerary before you pay — and handle the change or refund if plans move.