Allegiant Air cabin bag size

Checked on 20 October 2026 · Official rules

Free under-seat item

20 × 35 × 45 cm7.9 × 13.8 × 17.7 in

Max weight: No weight limit stated
Included with: Included on every fare

One personal item. Uses the airline’s published centimetres in height × width × length order; no numerical weight limit published.

Cabin bag (overhead bin)

25 × 40 × 55 cm9.8 × 15.7 × 21.7 in

Max weight: No weight limit stated
Included with: Paid carry-on option or an inclusive bundle

Uses current published centimetres, including wheels, handles and pockets. One overhead bag may be purchased.

Check my whole trip

Sizer dimensions

Same size and weight limits

620 bags that fit as Under-seat item

CabinZero
Classic Backpack 36L
45 × 31 × 20 cm17.7 × 12.2 × 7.9 in
Exact fit
CabinZero
Classic Tech Backpack 36L
45 × 31 × 20 cm17.7 × 12.2 × 7.9 in
Exact fit
Lipault
Foldable Plume Mini Cabin 45cm
45 × 32 × 20 cm17.7 × 12.6 × 7.9 in
Exact fit
Roncato
CITY 3.0 Duffle
35 × 45 × 20 cm13.8 × 17.7 × 7.9 in
Exact fit
Wandrd
PRVKE Pocket 31L V4
44.5 × 30 × 20 cm17.5 × 11.8 × 7.9 in
Exact fit
Samsonite
Ta Revolution Foldable Duffle S
20 × 40 × 30 cm7.9 × 15.7 × 11.8 in
Exact fit
American Tourister
Urban Track S Duffle Bag / Backpack
30 × 40 × 20 cm11.8 × 15.7 × 7.9 in
Exact fit
Jump
Sac à dos de voyage cabine 45x35x20 - Dunaa
45 × 35 × 20 cm17.7 × 13.8 × 7.9 in
Exact fit
Samsonite
Moderny Backpack 17.3"
45 × 35 × 20 cm17.7 × 13.8 × 7.9 in
Exact fit
Eminent
Lyon
45 × 32 × 20 cm17.7 × 12.6 × 7.9 in
Exact fit
Cabin Max
Manhattan Pro Trolley 30L
45 × 35 × 20 cm17.7 × 13.8 × 7.9 in
Exact fit
Cabin Max
Manhattan Backpack 30L
45 × 35 × 20 cm17.7 × 13.8 × 7.9 in
Exact fit

1921 bags that fit as Cabin bag

Samsonite
Essens Spinner expandable (4 wheels) 55cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
Exact fit
Samsonite
Prodiver Spinner (4 wheels) 55 cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
Exact fit
Samsonite
Roadseeker Duffle with wheels 55cm backpack
55 × 40 × 25 cm21.7 × 15.7 × 9.8 in
Exact fit
American Tourister
City Racer S Duffle with wheels
55 × 35 × 25 cm21.7 × 13.8 × 9.8 in
Exact fit
Stratic
VIBE - Trolley S
54 × 39.5 × 21.5 cm21.3 × 15.6 × 8.5 in
0.5 cm spare0.2 in spare
Travelpro
Platinum Elite Soft Duffel
31.8 × 48.3 × 22.9 cm12.5 × 19 × 9 in
2.1 cm spare0.8 in spare
Samsonite
Prodiver Duffle with wheels 55cm
55 × 40 × 20 cm21.7 × 15.7 × 7.9 in
Exact fit
Samsonite
Respark Upright expandable (2 wheels) 55cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
Exact fit
Samsonite
Armox Duffle with wheels / Backpack 55cm
55 × 40 × 25 cm21.7 × 15.7 × 9.8 in
Exact fit
Roncato
UNO PREMIUM 2.0 Cabin Spinner
55 × 40 × 25 cm21.7 × 15.7 × 9.8 in
Exact fit
Away
Transit Canvas Weekender
36.8 × 52.8 × 24.1 cm14.5 × 20.8 × 9.5 in
0.9 cm spare0.4 in spare
Vera Bradley
Large Weekender Travel Bag
36.8 × 49.5 × 22.9 cm14.5 × 19.5 × 9 in
2.1 cm spare0.8 in spare