Allegiant Air Checked Baggage: Fees, Size & Weight (2026)
Allegiant charges for checked bags with route-based dynamic pricing, typically $18 to $75 per bag depending on route and when you pay — cheapest during booking, most expensive at the gate. Allegiant's checked-bag weight limit is 40 lb, lower than the 50 lb standard at legacy carriers.
Fees vary by route and when you pay — ranges below are indicative; weight and size limits are fixed.
| Bag | Prepaid | At airport |
|---|---|---|
| First checked bag | $18 to $50 (dynamic — cheapest added during booking, rises before/at the airport) | up to $75 |
| Second checked bag | similar dynamic range | higher |
| Third+ bag | dynamic | |
Does Allegiant Air charge for checked bags?
Allegiant Air uses dynamic checked-bag pricing that varies by route and when you pay. Typical first-bag range: $18 to $50 (dynamic — cheapest added during booking, rises before/at the airport). Allegiant prices are dynamic and vary sharply by route; adding bags during initial booking is always cheapest, and the gate is always most expensive.
Who flies free: Allegiant's fare bundles (like 'Total' bundles) can include a checked bag; Allegiant World Mastercard holders may get a discount. On the base fare everything is à la carte.
Weight and size limits
Weight: 40 lb (18 kg) — LOWER than the 50 lb legacy standard
Size: 80 linear inches maximum (larger than the 62in standard, but overweight/oversize fees apply)
Overweight: $50 for 41-70 lb, $75 for 71-100 lb (approximate, route-dependent)
Oversize: charged for oversized bags
Allegiant prices are dynamic and vary sharply by route; adding bags during initial booking is always cheapest, and the gate is always most expensive.
Weight warning: Like Frontier, Allegiant's 40 lb limit is 10 lb below the legacy standard — pack accordingly.
How to avoid the fee on Allegiant Air
Allegiant's fare bundles (like 'Total' bundles) can include a checked bag; Allegiant World Mastercard holders may get a discount. On the base fare everything is à la carte.
How Allegiant Air compares
See checked-baggage fees and limits for Alaska Airlines, American Airlines, British Airways — fees, weight caps, and free-bag rules differ airline by airline.
Frequently asked questions
Does Allegiant Air charge for checked bags?
Allegiant Air uses dynamic checked-bag pricing that varies by route and when you pay. Typical first-bag range: $18 to $50 (dynamic — cheapest added during booking, rises before/at the airport). Allegiant prices are dynamic and vary sharply by route; adding bags during initial booking is always cheapest, and the gate is always most expensive.
What is Allegiant Air's checked bag weight limit?
40 lb (18 kg) — LOWER than the 50 lb legacy standard
What is Allegiant Air's checked bag size limit?
80 linear inches maximum (larger than the 62in standard, but overweight/oversize fees apply)
Who flies free with Allegiant Air checked bags?
Allegiant's fare bundles (like 'Total' bundles) can include a checked bag; Allegiant World Mastercard holders may get a discount. On the base fare everything is à la carte.