Personal-item bag · 11 × 8.9 × 4.9 in (28 × 22.5 × 12.5 cm)
Tight exactly at the limit on the depth; 1.1 kg left for packing
Thai Airways cabin bag and personal item size
Checked against Thai Airways' baggage page on 5 October 2026
Personal item (under the seat)
37.5 × 25 × 12.5 cm15 × 10 × 5 in
Weight: 1.5 kg (3.3 lb)
Cabin bag (overhead locker)
56 × 45 × 25 cm22 × 18 × 10 in
Weight: 7 kg (15 lb)
Will your bag fit Thai Airways?
Personal item. Free on every fare. Free items such as handbag, purse or laptop: total of three dimensions max 75cm (30in), weight max 1.5kg.
Cabin bag. Included on every fare listed below. Wheels and handles count. One bag up to 7kg in all classes. Must fit in overhead compartment or under the seat.
What each Thai Airways fare includes
| Fare | Personal item | Cabin bag | Notes |
|---|---|---|---|
| Economy / Economy Plus | Included | Included (7 kg) | 1 bag up to 7kg; no additional bag for Star Alliance Gold. |
| Royal First / Royal Silk / Premium Economy Plus | Included | Included (7 kg) | 1 bag up to 7kg; Star Alliance Gold on multi-carrier Star journeys get 1 additional bag. |
Will a standard carry-on fit Thai Airways?
The most common US carry-on size is 22 × 14 × 9 in (56 × 36 × 23 cm, wheels included). On Thai Airways it just fits, with under 1 cm to spare. The common European cabin size, 55 × 40 × 20 cm, fits.
Thai Airways' cabin bag allowance holds about 63 litres. Only 4 of the 151 airlines we track have a bigger one, so most carry-on suitcases sold today will pass.
Bags that fit Thai Airways
We checked 1,046 bags with published sizes. 0 fit the personal-item size with at least 1 cm to spare on every side, and another 8 are within a centimeter. 785 fit the cabin bag size comfortably.
Personal item
Personal-item bag · 36 × 25 × 13 cm (14 × 10 × 5 in)
Tight 0.5 cm (0.2 in) too deep; soft-sided, so it only goes in if it squeezes
Personal-item bag · 34.5 × 25 × 12 cm (13.6 × 9.8 × 4.7 in)
Tight exactly at the limit on the width; 1.1 kg left for packing
Personal-item bag · 34.5 × 25 × 13 cm (13.6 × 9.8 × 5.1 in)
Tight 0.5 cm (0.2 in) too deep; soft-sided, so it only goes in if it squeezes; 1.2 kg left for packing
Cabin bag
Carry-on suitcase · 19.1 × 12.8 × 8.9 in (48.5 × 32.5 × 22.6 cm)
Fits 2.4 cm (0.9 in) to spare on the depth; 4.1 kg left for packing
Carry-on suitcase · 21.9 × 15 × 9.1 in (55.6 × 38.1 × 23.1 cm)
Tight 0.4 cm (0.2 in) to spare on the length; 2.8 kg left for packing
Carry-on suitcase · 22 × 14.4 × 9.1 in (55.9 × 36.6 × 23.1 cm)
Tight 0.1 cm (0 in) to spare on the length; 3.6 kg left for packing
Carry-on suitcase · 22 × 14.4 × 9.1 in (55.9 × 36.6 × 23.1 cm)
Tight 0.1 cm (0 in) to spare on the length; 3.4 kg left for packing
All bags that fit Thai Airways →
If your bag is too big at the gate
Spot checks with test unit and/or scale may be done at check-in and/or the boarding gate. No fee published on this page. Source
Power banks on Thai Airways
The airline doesn’t say whether you can use a power bank on board. Power banks up to 100 Wh go in the cabin. Limit: 2 per passenger. Never in checked bags. Max 2 power banks of 100 Wh or less, personal use; over 100 Wh forbidden. Forbidden in checked baggage, allowed in carry-on. In-flight use rule not stated on the page read.
Work out your power bank's watt-hours · Power bank rules on every airline
Worth knowing
- Power banks over 100 Wh are forbidden outright; no approval route.
- Cabin bag dimensions include wheels, handles and side pockets.
- Smart bags must be carried on with batteries removed.
Airlines with similar limits
- easyJet: 56 × 45 × 25 cm
- British Airways: 56 × 45 × 25 cm
- Jet2.com: 56 × 45 × 25 cm
- Aegean Airlines: 56 × 45 × 25 cm
Thai Airways bag questions
What size is the Thai Airways personal item?
Thai Airways' free personal item can be up to 37.5 × 25 × 12.5 cm (15 × 10 × 5 in), 1.5 kg (3.3 lb). Free items such as handbag, purse or laptop: total of three dimensions max 75cm (30in), weight max 1.5kg.
How big can a Thai Airways cabin bag be?
Up to 56 × 45 × 25 cm (22 × 18 × 10 in), and no heavier than 7 kg (15 lb). Wheels and handles count toward the size.
Which bags fit Thai Airways' limits?
Of the 1,046 bags we track, 0 fit the personal-item size with at least 1 cm to spare and 785 fit the cabin bag size. See the list.
Can I take a power bank on Thai Airways?
Yes, in your cabin bag only. The airline doesn’t say whether you can use a power bank on board. Power banks up to 100 Wh go in the cabin. Limit: 2 per passenger. Never in checked bags.
Sources. carry-on baggage page · dangerous goods page (Item 11 power bank) · restricted baggage (smart bags). Rules checked 5 October 2026. Some details the airline doesn’t publish are marked as such above. Airline staff have the final say at the gate. Spotted a change? Tell us.
Will This Bag Fit is independent and not affiliated with Thai Airways.