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    Back to Airlines
    THAI logo
    TGICAO: THAThailand

    THAI Baggage Allowance

    Personal item, carry-on & checked bag rules

    Official WebsiteBaggage Policy
    Last checked: April 19, 2026Primary source: THAI baggage policyRules vary by booking—always confirm for your booking.

    Baggage Allowances

    Baggage Allowances

    Adult traveler
    THAI baggage allowance by fare class and bag type
    Bag TypeAll Fares
    Personal
    1×Free
    1.5 kg
    37.5 × 25 × 12.5 cm
    Carry-on
    2×Free
    7 kg
    56 × 45 × 25 cm
    Checked
    1×Free
    158 cm linear

    Small handbag or laptop; must fit under seat. Separate 1.5 kg limit applies

    What You Need to Know

    • A personal item (e.g. small bag, handbag) must fit within 37.5 × 25 × 12.5 cm (max 1.5 kg).
    • Carry-on bags can be up to 56 × 45 × 25 cm and 7 kg.
    • One checked bag is included.
    • This airline is known for strictly enforcing size and weight limits at the gate—pack carefully.
    • Dimensions include wheels and handles—measure your bag from corner to corner.
    • Extra or overweight bags incur fees: Prepaid extra piece from $80 USD; airport from $95; overweight/oversize adds 1x zone rate.

    THAI Policy Details

    How Strictly Are Rules Enforced?

    This tells you how strictly this airline checks bag size and weight at the gate. Some airlines rarely check, others are very strict.

    Reports show carry-ons often weighed at check-in; lenient if compliant. Gate checks stricter on full flights

    Extra Bag Fees

    Prepaid extra piece from $80 USD; airport from $95; overweight/oversize adds 1x zone rate

    Upgrade Options

    Online excess: from THB 55/kg on domestic; from $12 USD/kg on international zones

    Prepay to save vs airport rates; confirms space; purchase allowed until 24h before departure

    Overwhelmed by all the information?

    Need an easier way to get an answer?

    Try our Smart Baggage Allowance Tool

    THAI allows carry-on bags up to 56 × 45 × 25 cm with a maximum weight of 7 kg. Personal items must fit within 37.5 × 25 × 12.5 cm. Checked bags on THAI must be purchased separately.

    Frequently Asked Questions About THAI Baggage

    THAI allows carry-on bags with maximum dimensions of 56 × 45 × 25 cm (approximately 22 × 17.7 × 9.8 inches). The maximum weight for a THAI carry-on is 7 kg (15 lb). These dimensions include wheels, handles, and any external pockets. Always verify with THAI before your trip, as policies can change.

    Yes, THAI includes a free carry-on bag on most fare types. Your carry-on must fit within 56 × 45 × 25 cm. The weight limit is 7 kg (15 lb).

    If your carry-on exceeds THAI's size limits of 56 × 45 × 25 cm, it may be gate-checked or placed in the cargo hold. THAI may charge a fee: Prepaid extra piece from $80 USD; airport from $95; overweight/oversize adds 1x zone rate. Reports show carry-ons often weighed at check-in; lenient if compliant. Gate checks stricter on full flights

    On THAI flights, a personal item is a small bag that fits under the seat in front of you, such as a purse, laptop bag, small backpack, or briefcase. THAI requires personal items to be no larger than 37.5 × 25 × 12.5 cm. The weight limit is 1.5 kg (3 lb). This is separate from your carry-on bag (up to 56 × 45 × 25 cm), which goes in the overhead bin.

    THAI allows personal items up to 37.5 × 25 × 12.5 cm (approximately 14.8 × 9.8 × 4.9 inches). This must fit under the seat in front of you. Maximum weight for a personal item on THAI: 1.5 kg (3 lb). Common examples include a small backpack, purse, or laptop sleeve that meets THAI's requirements.

    THAI includes 1 free checked bag on standard fares. Additional bag fees on THAI: Prepaid extra piece from $80 USD; airport from $95; overweight/oversize adds 1x zone rate.

    THAI allows checked bags up to 158 cm (62 inches) in total linear dimensions.

    The carry-on weight limit on THAI is 7 kg (15 lb). Your carry-on must also fit within 56 × 45 × 25 cm. THAI may weigh your carry-on at the gate, so pack accordingly. Reports show carry-ons often weighed at check-in; lenient if compliant. Gate checks stricter on full flights

    THAI includes one checked bag on most standard fares at no extra charge. THAI baggage fees: Prepaid extra piece from $80 USD; airport from $95; overweight/oversize adds 1x zone rate

    To avoid extra baggage fees on THAI: pack light and use only the free carry-on allowance (56 × 45 × 25 cm); maximize your personal item space; book a fare that includes checked baggage if you need it; weigh and measure your bags at home before traveling; consider upgrading your THAI fare (Online excess: from THB 55/kg on domestic; from $12 USD/kg on international zones). Planning ahead with THAI can save you significant fees at the airport.

    THAI vs. Industry Average

    Carry-on SizeAbove avg
    THAI56 × 45 × 25 cm
    Industry Average56 × 36 × 23 cm
    Carry-on WeightBelow avg
    THAI7 kg
    Industry Average10 kg
    Personal ItemAbove avg
    THAIIncluded
    Industry AverageUsually included
    Checked BagAbove avg
    THAIIncluded
    Industry AverageVaries by airline
    MetricTHAIIndustry AverageRating
    Carry-on Size56 × 45 × 25 cm56 × 36 × 23 cmAbove avg
    Carry-on Weight7 kg10 kgBelow avg
    Personal ItemIncludedUsually includedAbove avg
    Checked BagIncludedVaries by airlineAbove avg

    Packing Tips for THAI

    Measure your bag before flying THAI — maximum dimensions are 56 x 45 x 25 cm including wheels and handles.
    THAI has a strict 7 kg carry-on weight limit. Consider a lightweight suitcase to maximize packing space.
    Use a luggage scale at home to weigh your bags before heading to the airport.
    Wear your heaviest clothing and shoes on the plane to save luggage weight.
    Pre-purchase extra baggage online with THAI — it's always cheaper than paying at the airport.

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