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Thai Airways Baggage Size & Weight Limits

This page lists the Thai Airways cabin and checked baggage allowances, including maximum dimensions, weight limits and excess baggage fees. Use the size checker to confirm your own suitcase fits before you get to the airport.

What is carry-on, personal item and checked baggage?
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Thai Airways
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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
25 × 37.5
12.5
Max dimensions (or)25 × 37.5 × 12.5 cm
Maximum total dimensions (or)75 cm (L + W + H)
Max weight1.5 kg

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

COCarry-on BaggageGoes in the overhead bin
45 × 56
25
Max dimensions45 × 56 × 25 cm
Max width45 cm
Max height56 cm
Max depth25 cm
Max weight7 kg

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

CBChecked BaggageHanded over at the check-in desk
Max total dimensions158 cm (L + W + H)
Standard bag weight23 kg
Oversize thresholdover 158 cm
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.

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 (USD)

Extra checked bag$75 – $120
Overweight (23–32 kg)$100
Overweight (32–45 kg)$200
Oversize (over 158 cm)$150
Gate-checked cabin bag$70

Fees vary by route and are usually cheaper 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.
Baggage rules last updated June 2026

Will your bag fit Thai Airways?

Enter your suitcase dimensions in the size checker and see instantly whether it meets these limits.

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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

Yes, Thai Airways typically allows free carry-on baggage within their specified size and weight limits. Check the dimensions above to ensure your bag complies with Thai Airways regulations.