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18 × 14 × 8 in bag

Common US personal-item size (Spirit, Frontier). Here's where it fits — measured against every airline's limit, including wheels and handles.

✓ Free on 55! Tight on 32✕ No on 52

Fits — free

Fits — paid / add-on

Tight — risky

Doesn't fit

Bags around this size

Best 18 × 14 × 8 in bags →
Cabin Max
Anode 30L
Tight — risky
40 × 30 × 20 cm
30 L
0.7 kg
0.3 cm to spare
from £35View →
CabinZero
Classic 28L
Tight — risky
42 × 32 × 20 cm
28 L
0.66 kg
0.3 cm to spare
from £55View →
Matein
18" Under-seat Travel Backpack
Tight — risky
45 × 35 × 20 cm
25 L
0.9 kg
0.3 cm to spare
from $40
Herschel
Pop Quiz Backpack
Fits
44 × 32 × 18 cm
22 L
0.8 kg
1.7 cm to spare
from £80View →
Dakine
365 Pack 21L
Fits
44 × 34 × 18 cm
21 L
0.7 kg
1.6 cm to spare
from $55View →
Cabin Max
Metz 20L
Tight — risky
40 × 20 × 25 cm
20 L
0.5 kg
0.3 cm to spare
from £30View →

FAQ

Which airlines accept a 18 × 14 × 8 in bag?+

A 18 × 14 × 8 in bag fits 55 airlines for free, including Jet2, British Airways, Southwest Airlines. It's a tight fit on 32 and over the limit on 52.

Is 18 × 14 × 8 in a carry-on or a personal item size?+

18 × 14 × 8 in is a US-style measurement. Larger sizes like 22×14×9 in are full carry-ons; smaller ones like 18×14×8 in are personal items that fit under the seat.

Other sizes

40 × 20 × 25 cm40 × 30 × 20 cm45 × 36 × 20 cm55 × 40 × 20 cm55 × 40 × 23 cm55 × 35 × 25 cm56 × 40 × 25 cm50 × 40 × 20 cm40 × 30 × 15 cm56 × 45 × 25 cm22 × 14 × 9 in24 × 16 × 10 in17 × 13 × 8 in