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Thai Airways Cabin Baggage Size & Allowance

Thai Airways: carry-on up to 56 × 45 × 25 cm, 7 kg, personal item up to 37.5 × 25 × 12.5 cm.

What is carry-on, personal item and checked baggage?
Thai Airways
TGThailand
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Baggage allowance for Thai Airways · check fare, route and operating-carrier conditions before travel

PIPersonal ItemGoes under the seat in front of you
W 25 cm
H 37.5 cm
personal item
D 12.5 cm
depth
Max dimensions (or)37.5 × 25 × 12.5 cm14.8 × 9.8 × 4.9 in
Maximum total dimensions (or)75 cm (29.5 in)L + W + H
Max weight1.5 kg3 lb

A handbag, laptop bag or small backpack that fits under the seat in front of you.

COCarry-on BaggageGoes in the overhead bin
W 45 cm
H 56 cm
carry-on
D 25 cm
depth
Max dimensions56 × 45 × 25 cm22 × 17.7 × 9.8 in
Max width45 cm17.7 in
Max height56 cm22 in
Max depth25 cm9.8 in
Max weight7 kg15 lb

One cabin bag per passenger. Measured with wheels and handles included.

CBChecked BaggageHanded over at the check-in desk
158 cm
in total
checked bag
depth
Max total dimensions158 cm (62.2 in)L + W + H
Standard bag weight23 kg51 lb
Oversize thresholdover 158 cm62.2 in
Bags includedPiece count depends on class, fare and sector

For travel from 2 Mar 2026 under THAI’s new Piece Concept, every checked bag is limited to 158 cm. Economy/Premium Economy: 23 kg per piece; Royal Silk/Royal First/Premium Economy Plus: 32 kg per piece.

Power banksHow manyup to 2Capacityup to 100 WhWherecarry-on onlyIn flightdon't chargeAll rules →

Allowance by Cabin Class / Fare

Class / fareCarry-onChecked bagsWeight / allowance
Economy Saver / Standard1 bag · 7 kgInternational: 1 bag23 kg
Saver has no checked bag on some destinations; new Piece Concept applies to covered travel from 2 Mar 2026.
Economy Flexi / Full Flex1 bag · 7 kgInternational: 2 bags23 kg
Premium Economy1 bag · 7 kg2 bags internationally23 kg
Royal Silk (Business)2 bags · 7 kg each2 bags internationally32 kg
Royal First2 bags · 7 kg each3 bags internationally32 kg
Reward fare may include 2 bags.

Baggage allowance for Thai Airways · check fare, route and operating-carrier conditions before travel

Excess & Oversize Fees

Thai Airways sets its own excess, overweight and gate-bag charges, and they change by route, fare and where you pay.We only publish figures we have checked against the carrier, and these are not among them — so the current amounts are on Thai Airways's own site.
Check Thai Airways baggage fees

Charges are usually lower when paid online before travel than at the airport.

Good to Know

Published dimensions include wheels, handles and external pockets.Baggage rules can differ on codeshare and partner-operated flights.Special items such as sports gear or instruments need advance booking.Always confirm on the airline's website before you travel.
Source: airline website, reviewed on 9 October 2026

Will your bag fit Thai Airways?

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The three baggage types, explained

Airlines split what you travel with into three allowances. Each has its own size and weight limit, and the one you exceed decides what you pay.

Personal item

The small bag that goes under the seat in front of you — handbag, laptop bag or small backpack. Usually free and rarely weighed.

Carry-on

The wheeled case you take into the cabin and store in the overhead bin. Sized at the gate, and weighed by many airlines.

Checked baggage

The large suitcase you hand over at the desk and collect at your destination. Charged by bag, with strict weight limits.

Frequently Asked Questions

Is a cabin bag free on Thai Airways?

Yes, according to Thai Airways' published policy: one cabin bag up to 56 × 45 × 25 cm (22 × 17.7 × 9.8 in), 7 kg (15 lb), plus a personal item up to 37.5 × 25 × 12.5 cm (14.8 × 9.8 × 4.9 in). Basic fares and flights operated by partner airlines can differ, so check the allowance on your booking.

What happens if my bag doesn't fit Thai Airways' sizer?

Staff can send it to the hold at the gate, and depending on your fare Thai Airways can charge for it. Adding a bag online before you fly is usually cheaper. The current amounts are on Thai Airways' own fees page. Thai Airways baggage fees

Can I bring a personal item in addition to my Thai Airways cabin bag?

Yes. Besides the cabin bag you can bring one personal item up to 37.5 × 25 × 12.5 cm (14.8 × 9.8 × 4.9 in), 1.5 kg (3 lb), such as a handbag, laptop bag or small backpack, stowed under the seat in front of you.

Compare with other airlines

Baggage limits differ sharply between carriers — these are the ones travellers most often weigh against Thai Airways.

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