TripCalcFrontier vs Allegiant bag fees
Both only include a free personal item. Here's what bags really add, and a calculator to compare your exact trip.
True Flight Cost
Fare + bags + seat, itemized. One-way, per person.
Fees change often and vary by route, date and status. Ranges mean the airline prices dynamically. Always verify with the airline before you book. Sources & last-checked dates.
Side by side
| Frontier | Allegiant | |
|---|---|---|
| Personal item | Free | Free |
| Carry-on | $29–$99 | $10–$75 |
| 1st checked bag | $30–$99 | $20–$75 |
| 2nd checked bag | $45–$117 | $30–$75 |
| Checked bag weight limit | 40 lb | See airline |
Neither airline publishes a fixed fee table. Prices change by route, date and when you buy, so the ranges are reported online prices. Sources: Frontier, Allegiant.
Which is cheaper?
It depends on the route. The ranges overlap almost completely, so the airline with the lower fare doesn't always win once you add a bag. Enter the real prices you see at checkout into the calculator above to get the true total.
How to pay less on either airline
- Add bags when you book. Both charge the most at the airport.
- Check bundle prices. On Frontier, a bundle can cost less than buying items one by one.
- Pack to Frontier's 40 lb limit, not the usual 50 lb.
Spirit used to be the third option here, but it shut down in May 2026.
See Frontier, Allegiant and other airlines on the same route.