Allegiant is an ultra-low-cost carrier built around cheap base fares and à la carte extras, and that shapes how Allegiant seat selection works: choosing your seat is almost always a paid add-on. This guide explains the seat tiers, what you pay for, and how to avoid surprises at the airport.
We're an independent travel agency — not Allegiant Air and not affiliated with or endorsed by them — but our agents handle Allegiant seat selection for travelers daily and can do it for you by phone. Call +1 (855) 302-0422 (24/7).
How Allegiant seat selection works
As an ultra-low-cost carrier, Allegiant typically charges for any advance seat assignment — there's usually no free seat selection before check-in. If you skip paying, Allegiant generally assigns a seat for free at check-in, which may split your group up. Bundles like Allegiant's "Trip Flex" or seat-inclusive options can roll seats in, so compare before you buy.
- Standard seats — regular economy, paid to choose in advance.
- Legroom+ seats — extra legroom up front and at exit rows, higher add-on.
- Free at check-in — a seat assigned for you if you don't pay to choose.
Allegiant seat types and fees
Prices vary widely by route, demand, and date, so use this as a guide only. Fees change — call to confirm what your flight will cost.
| Seat type | What you get | Typical cost |
|---|---|---|
| Standard | Regular economy seat | Paid to select — varies |
| Legroom+ | Extra legroom, front/exit rows | Higher paid add-on |
| Check-in assignment | Seat assigned for you | Free |
How to choose your seat
- During booking. Add a paid seat from the map before you pay.
- Via a bundle. Compare bundles that include seat selection and bags.
- At check-in. Skip the fee and accept a free seat assignment.
- By phone. Tell us your preference and budget and we'll find the cheapest option.
Tips to keep costs down
- Decide if you really need to choose. Solo travelers flexible on seat can skip the fee.
- Compare bundles vs à la carte. A bundle with seat + bag can beat paying separately.
- Match your name to ID. A booking typo can complicate check-in — see how to change a name on a flight ticket.
- Watch dates. If plans shift, learn how to change your flight date without a fee.
Should you pay for a seat on Allegiant?
Because every advance seat is an add-on, the real question is whether the fee is worth it for your trip. Here's how to decide:
- Solo and flexible? Skip the fee. A free seat assigned at check-in is fine if you don't mind where you land.
- Traveling with kids? Pay for seats. Airlines try to seat young children near a parent, but it isn't guaranteed without assigned seats.
- Tall or need legroom? A Legroom+ seat may be worth it on a longer flight, but compare the cost against the fare you paid.
- Couples or friends? Decide how much sitting together is worth — sometimes it's only a row apart at check-in anyway.
The smartest move on a ULCC is to add up the full trip cost — fare plus the seats and bags you actually need — and compare it to a bundle. Sometimes the bundle wins; sometimes à la carte does. We'll run both for you.
Allegiant vs other ultra-low-cost carriers
Allegiant's model — cheap base fare, pay for everything else — mirrors other ULCCs. If you're comparing, see how it stacks up against Frontier seat selection, which works much the same way. The trick with any ULCC is to total the real cost: base fare plus seats, bags, and any bundle. If plans fall through, here's how to cancel a flight and get a refund.
Allegiant's seat fees add up fast, and the cheapest path isn't always obvious. Call +1 (855) 302-0422 for Allegiant seat selection help and our agents will find the lowest-cost option, available 24/7.