British Airways cabin bag size

Checked on 20 October 2026 · Official rules

Free under-seat item

40 × 30 × 15 cm15.7 × 11.8 × 5.9 in

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

One handbag or backpack under the seat, guaranteed in the cabin, on all fares including hand-baggage-only Economy. No weight limit stated. BA's baggage calculator shows 45x36x20 cm for some itineraries; the main allowance pages say 40x30x15 cm.

Cabin bag (overhead bin)

56 × 45 × 25 cm22 × 17.7 × 9.8 in

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

Includes wheels and handles. Current BA pages give no kg limit: you must be able to lift it into the overhead bin unassisted. May have to go in the hold on busy flights.

Check my whole trip

Sizer dimensions

Same size and weight limits

83 bags that fit as Under-seat item

Cabin Max
Manhattan Expandable Holdall 18-24L
40 × 30 × 15 cm15.7 × 11.8 × 5.9 in
Exact fit
Lipault
Lost In Berlin Travel Backpack Light 15.6"
40 × 30 × 15 cm15.7 × 11.8 × 5.9 in
Exact fit
Lipault
Lost In Berlin Backpack Pro 16"
40 × 30 × 13 cm15.7 × 11.8 × 5.1 in
Exact fit
Wandrd
PRVKE Zip 21L V4
40 × 28 × 14.5 cm15.7 × 11 × 5.7 in
Exact fit
Sandqvist
Stream Lid Backpack 16
40 × 28 × 14 cm15.7 × 11 × 5.5 in
Exact fit
Samsonite
Coatify Biz Backpack 14.1"
39 × 28 × 12 cm15.4 × 11 × 4.7 in
1 cm spare0.4 in spare
Samsonite
Lightup Foldable Backpack
37 × 28 × 12 cm14.6 × 11 × 4.7 in
2 cm spare0.8 in spare
Lipault
Lost In Berlin Lifetrotter Backpack 15.6"
39 × 30 × 15 cm15.4 × 11.8 × 5.9 in
Exact fit
Roncato
CAMBRIDGE Business Backpack
40 × 30 × 15 cm15.7 × 11.8 × 5.9 in
Exact fit
Roncato
DC Comics Travel Backpack
40 × 30 × 15 cm15.7 × 11.8 × 5.9 in
Exact fit
Matador
18L Personal Item Travel Pack
40 × 30 × 15 cm15.7 × 11.8 × 5.9 in
Exact fit
July
Juliette Soft Work Tote
30 × 40 × 14 cm11.8 × 15.8 × 5.5 in
Exact fit

2051 bags that fit as Cabin bag

Samsonite
Essens Spinner expandable (4 wheels) 55cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
1 cm spare0.4 in spare
Samsonite
Prodiver Spinner (4 wheels) 55 cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
1 cm spare0.4 in spare
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
2 cm spare0.8 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
Sandqvist
Stream Weekender Bag
45 × 55 × 20 cm17.7 × 21.7 × 7.9 in
Exact fit
Samsonite
Prodiver Duffle with wheels 55cm
55 × 40 × 20 cm21.7 × 15.7 × 7.9 in
1 cm spare0.4 in spare
Samsonite
Respark Upright expandable (2 wheels) 55cm
55 × 40 × 23 cm21.7 × 15.7 × 9.1 in
1 cm spare0.4 in spare
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