United Airlines cabin bag size

Checked on 20 October 2026 · Official rules

Free under-seat item

22 × 25 × 43 cm8.7 × 9.8 × 16.9 in

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

9 x 10 x 17 in (22 x 25 x 43 cm), must fit under the seat (purse, backpack, laptop bag). No extra small purse allowed beyond the personal item and carry-on.

Cabin bag (overhead bin)

23 × 35 × 56 cm9.1 × 13.8 × 22 in

Max weight: No weight limit stated
Included with: All fares except Basic Economy; Basic Economy only to South America, transatlantic and transpacific

9 x 14 x 22 in (23 x 35 x 56 cm) including handle and wheels; no weight limit. Basic Economy (most trips) allows only a personal item; MileagePlus Premier, Star Alliance Gold and qualifying cardholders get a free carry-on. Only a personal item on CommutAir (United Express) flights.

Check my whole trip

Sizer dimensions

Same size and weight limits

58 bags that fit as Under-seat item

American Tourister
Take2cabin 3-Way Boarding Bag 14"
25 × 40 × 20 cm9.8 × 15.7 × 7.9 in
Exact fit
American Tourister
Take2Cabin Backpack S
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
Samsonite
Glam-Go Duffle Bag / Backpack XS
20 × 40 × 25 cm7.9 × 15.7 × 9.8 in
Exact fit
American Tourister
Urban Track Backpack 14"
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
American Tourister
Cloudrider S Cabin Backpack
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
Travelite
VENTURE LINE Travel bag S
25 × 40 × 20 cm9.8 × 15.7 × 7.9 in
Exact fit
Roncato
COMPACT Cabin Bag
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
American Tourister
Take2cabin S Backpack with Wheels
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
Roncato
METROPOLITAN TRAVEL Wheeled Backpack
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
Roncato
CROSSLITE Travel Backpack
40 × 20 × 25 cm15.7 × 7.9 × 9.8 in
Exact fit
Roncato
METROPOLITAN TRAVEL Cabin Bag
40 × 25 × 20 cm15.7 × 9.8 × 7.9 in
Exact fit
Roncato
GATEWAY Cabin Bag
25 × 40 × 20 cm9.8 × 15.7 × 7.9 in
Exact fit

1255 bags that fit as Cabin bag

Travelpro
Platinum Elite Soft Duffel
31.8 × 48.3 × 22.9 cm12.5 × 19 × 9 in
0.1 cm spare0 in spare
Samsonite
Cabin Pack Cabin Backpack 17.3" (55 cm)
55 × 35 × 23 cm21.7 × 13.8 × 9.1 in
Exact fit
Osprey
Sojourn Porter 46L
55 × 35 × 23 cm21.7 × 13.8 × 9.1 in
Exact fit
Aer
Sports Duffel Max
35 × 48 × 23 cm13.8 × 18.9 × 9.1 in
Exact fit
Pakt
Pakt One Travel Backpack 45L+
52 × 34 × 23 cm20.5 × 13.4 × 9.1 in
Exact fit
Wandrd
TRANSIT Travel Backpack 45L
55.9 × 31.8 × 22.9 cm22 × 12.5 × 9 in
0.1 cm spare0 in spare
Topo Designs
Global Travel Bag Roller
53.3 × 34.3 × 22.9 cm21 × 13.5 × 9 in
0.1 cm spare0 in spare
Travelite
VENTURE LINE Travel bag M
34 × 50 × 23 cm13.4 × 19.7 × 9.1 in
Exact fit
Aerolite
HOLD608 Holdall 44L
35 × 55 × 20 cm13.8 × 21.7 × 7.9 in
Exact fit
American Tourister
Wondertrips 47cm Cabin luggage
47 × 33 × 22 cm18.5 × 13 × 8.7 in
1 cm spare0.4 in spare
Victorinox
Werks Traveler 7.0 2-Wheel Frequent Flyer Carry-On
55 × 35 × 23 cm21.7 × 13.8 × 9.1 in
Exact fit
American Tourister
Take2cabin L Travel Backpack Expandable 17.3"
55 × 35 × 23 cm21.7 × 13.8 × 9.1 in
Exact fit