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Thai Airways Baggage Policy

Carry-on, personal item, checked bag fees, overweight, special items, and basic economy rules for Thai Airways, with every figure cited to the airline's own policy page.

Quick answer

  • Carry-on: up to 22 x 17.7 x 9.8", max 7 kg, free
  • Personal item: must fit under the seat (no published dimensions), free on every fare
  • Checked bag: $0 first, Not published second (domestic economy)

Carry-on baggage

Max dimensions (in)
22 x 17.7 x 9.8"
Max dimensions (cm)
56 x 45 x 25 cm
Weight limit
7 kg (15.4 lb)
Fee
Free
Gate-check risk
Low

Economy is 7 kg total. Royal Silk Business is 14 kg.

Personal item

Max dimensions (in)
Not published
Max dimensions (cm)
Not published
Included
Yes, free on every fare

A laptop bag or handbag is permitted in addition.

Does your bag count?

Bag typeTypical sizeFit
Standard backpack
Everyday daypack, laptop backpack
 18 x 13 x 8" Under-seat only
Tote bag
Canvas or leather tote
 15 x 14 x 5" Under-seat only
Laptop bag
Messenger or slim briefcase
 16 x 12 x 4" Under-seat only
Small duffel
Gym or weekender
 18 x 11 x 11" Under-seat only
Purse
Handbag or crossbody
 12 x 10 x 5" Under-seat only
Under-seat roller
Mini wheeled bag
 16 x 14 x 8" Under-seat only

Checked baggage fees

Compare fees across airlines →
Domestic economy
1st bag$0
2nd bagNot published
Long-haul / international
1st bag$0
Weight limit51 lb
Linear dim62 in
Overweight & oversize
51–70 lbNot published
71–100 lbNot published
63–80 inNot published

Effective March 2, 2026, Thai Airways moved to the piece concept on international routes. Economy Saver and Standard include 1 checked bag at 23 kg / 51 lb. Economy Flexi and Full Flex include 2 bags at 23 kg each. Max single bag 32 kg / 70 lb and 158 cm / 62 in linear. Note: policy reduced allowance from 25 kg to 23 kg per bag in April 2025.

Ways to skip the Thai Airways checked bag fee

  1. Pack carry-on only. Confirm your bag fits the Thai Airways carry-on size.
  2. Use a Thai Airways co-branded credit card. These typically waive the first checked bag fee for the cardholder and companions.
  3. Earn elite status. Mid-tier and above usually waive one or two bags per direction.
  4. Book a higher fare. Premium Economy, Business, and First usually include 1 to 2 checked bags.

Special items & sports equipment

Ski / snowboard
Not published
Golf clubs
Not published
Bicycle
Not published
Pet in cabin
Not published
Pet as cargo
Not published

Musical instruments: Small instruments count as carry-on. Larger instruments can be checked within allowance or booked as an extra cabin seat.

Thai Airways does not allow pets in the cabin except registered assistance dogs. Pets travel as cargo; pricing by shipment. Ski, golf, and bike equipment count as a standard checked bag within allowance. Sports-equipment fees apply to extra pieces.

Basic economy restrictions

Economy Saver Thai Airways's lowest fare tier
Carry-on allowed
Yes
Personal item allowed
Yes
Checked bag surcharge
Not published
  • Only 1 checked bag (vs 2 on Flexi/Full Flex)
  • No seat selection until check-in
  • No changes
  • Non-refundable
  • Reduced Royal Orchid Plus miles

Frequently asked questions

What is the Thai Airways carry-on size limit?

Thai Airways allows a carry-on bag up to 22 x 17.7 x 9.8" (56 x 45 x 25 cm), including handles and wheels. The weight limit is 7 kg (15.4 lb).

What is the Thai Airways personal item size?

Thai Airways does not publish strict personal item dimensions. Your bag must fit fully under the seat in front of you, which is typically about 18 x 14 x 8 inches. A laptop bag or handbag is permitted in addition.

How much does a checked bag cost on Thai Airways?

The first checked bag on Thai Airways costs $0 on most domestic economy fares, and the second bag costs Not published. On long-haul international routes, the first checked bag fee is $0. Effective March 2, 2026, Thai Airways moved to the piece concept on international routes. Economy Saver and Standard include 1 checked bag at 23 kg / 51 lb. Economy Flexi and Full Flex include 2 bags at 23 kg each. Max single bag 32 kg / 70 lb and 158 cm / 62 in linear. Note: policy reduced allowance from 25 kg to 23 kg per bag in April 2025.

Can I bring a carry-on on Thai Airways Economy Saver?

Yes. Thai Airways Economy Saver passengers can bring one carry-on bag plus one personal item.

How can I avoid Thai Airways checked bag fees?

Four common ways: (1) pack in a carry-on and personal item only (confirm your bag fits the Thai Airways carry-on size of 22 x 17.7 x 9.8"); (2) hold a Thai Airways co-branded credit card, which typically waives the first checked bag fee for the cardholder and companions on the same reservation; (3) reach elite status in the airline's frequent flyer program, where mid-tier and above usually waive one or two bags per direction; (4) book a higher fare class (Premium Economy, Business, First) where checked bags are included.

Will my bag be gate-checked on Thai Airways?

Thai Airways currently has a low gate-check risk based on our review of boarding policies and traveler reports. Overhead bin space is usually sufficient on full flights.

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Sources & verification

Airlines change baggage rules without notice. Always confirm with Thai Airways before flying.