Frontier Airlines vs Allegiant Air
Cabin and carry-on baggage limits for Frontier Airlines and Allegiant Air, side by side.
⚠ These figures are awaiting manual verification against the airline's official page. Treat them as preliminary.
Frontier Airlines allows the larger carry-on — its longest side is 61 cm, versus 55 cm for Allegiant Air.
Frontier Airlines is more generous for personal items — up to 46 cm, versus 45 cm on Allegiant Air.
Check your bag
Enter your bag's dimensions to see how it fares against both airlines' carry-on limits.
PreliminaryRules marked Preliminary have not yet been manually verified against the airline's official page. They may differ from the airline's actual policy — always confirm with the airline before you fly.
| Airline | Verdict | Fits as | Margin | Checked on | Source |
|---|
Enter your bag's size above to see which airlines accept it.
- Max dimensions
- 61 × 41 × 25 cm
- Total linear
- Not published
- Weight limit
- 15.9 kg per piece
- Pieces
- 1
- Max dimensions
- 25 × 40 × 55 cm
- Total linear
- Not published
- Weight limit
- Not published
- Pieces
- 1
Cabin & carry-on allowances
| Allowance | Frontier Airlines | Allegiant Air |
|---|---|---|
| Carry-on | 61 × 41 × 25 cm · Not published · 15.9 kg per piece · 1 pc Published as 24 x 16 x 10 in (61 x 41 x 25 cm) and 35 lb (~15.9 kg). Not included on the Basic fare; must be purchased Carry-on 24 x 16 x 10 in / 35 lb. Not included on the Basic fare; must be purchased. Included on other fare types. | 25 × 40 × 55 cm · Not published · Not published · 1 pc Must fit in the overhead bin unaided Paid option, not included on the base fare Carry-on bag up to 25x40x55 cm. It is a paid option with no published weight limit and is not included on the base fare. |
| Personal item | 46 × 36 × 20 cm · Not published · Not published · 1 pc Published as 18 x 14 x 8 in (46 x 36 x 20 cm); no separate weight limit. Free on all fares Counts as the one included item Personal item 18 x 14 x 8 in, free on all fares, included as the one bag on Basic. | 20 × 35 × 45 cm · Not published · Not published · 1 pc Must fit under the seat in front of you Free on all fares One free personal item up to 20x35x45 cm (8x14x18 in); included on all fares. |
Sources
Frontier Airlines
Bag Options - Frontier Airlines (opens in a new window)Allegiant Air
Baggage - Allegiant Air (opens in a new window)The rules behind these figures
Both sides of this comparison come from these rule pages; open one to see its source excerpt.