Thai Airways Baggage Allowance, Fees & How to Add Extra Baggage

TG / THA · Thailand

Pre-purchase excess baggage online at discounted rates via the THAI website or mobile app. Sold in 5 kg increments, up to 50 kg per person per flight. Use the official links below to review baggage rules, booking access, and related airline services.

Baggage Policy Official website

Updated Aug 28, 2026

Thai Airways Baggage Allowance

Free checked and carry-on baggage allowances by cabin class and route. Allowances vary by route, ticket type, and frequent flyer status — always confirm with the official baggage policy before you fly.

Checked baggage

Piece concept globally from 02 Mar 2026 (sales/reissue from 25/28 Nov 2025); weight concept on non-Americas routes until 01 Mar 2026. Max 158 cm per piece; max 32 kg per piece for First.

Label	Amount	Notes
International — Piece Concept (from 02 Mar 2026, sales 25/28 Nov 2025)	3 × 32 kg	Verbatim rendered on International piece table: Royal First Class All Family (F / A / P) 3 Pieces (32 kg/pc). Infant not occupying seat: 1 Piece (32 kg/pc). Dimension 158 cm (62 inch) per piece. Redeem variant O: 2 × 32 kg (Verbatim: Royal First Class Redeem (O) 2 Pieces (32 kg/pc)). Applies to international sectors within TC3 (Asia, Australia, New Zealand), between TC2 (Europe, Africa, Middle East) and TC3, between TC2 and TC1 (North America, South America), and between TC3 and TC1 — per Standard Free Baggage Allowance paragraph effective dates. Previously piece concept only for To/From USA and Canada; weight concept applied on other routes.
Domestic — Piece Concept (from 02 Mar 2026)	See official pricing	Purely domestic piece table does not list Royal First; First class not operated on purely domestic sectors. No free amount rendered for domestic First — not fabricated.

Piece concept globally from 02 Mar 2026; legacy weight concept 40 kg total on domestic/TC3/TC2–TC3 routes until 01 Mar 2026. Max 158 cm per piece; max 32 kg per piece.

Label	Amount	Notes
International — Piece Concept (from 02 Mar 2026)	2 × 32 kg	Verbatim rendered on International piece table: Royal Silk Class All Family (C / D / J / Z / I / R) 2 Pieces (32 kg/pc). Infant not occupying seat: 1 Piece (32 kg/pc). Dimension 158 cm per piece. Weight allowance per piece: up to 32 kg (70 lbs) for Royal Silk Class — from Checked Baggage – Weight Allowance paragraph. Applies to same international sector definition as First (within TC3, TC2–TC3, TC2–TC1, TC3–TC1). ROP/Star Alliance additional allowance (tier benefit, not base): ROP Platinum +2 Pcs (32 kgs/pc), ROP Gold/Star Gold +1 pc (32 kgs/pc), ROP Silver +1 pc (23 kgs/pc) — from Additional Baggage Allowance table, effective same dates — notes only.
Domestic — Piece Concept (from 02 Mar 2026)	1 × 32 kg	Verbatim rendered on Purely Domestic piece table: Royal Silk Class All Family (C / D / J / Z / I / R) 1 Piece (32 kg/pc). Infant 1 Piece (32 kg/pc). Dimension 158 cm. Premium Economy Plus table note: available on A330-300 (33C) only — not applicable to Business item.
Legacy — Weight Concept (until 01 Mar 2026, Wholly within Thailand / Within TC3 / Between TC2–TC3)	40 kg total	Verbatim rendered on first table (Domestic Sectors) row: Royal Silk Class 40 kg (88 pounds) maximum combined weight of all pieces. Text: The weight allowance has been introduced by THAI for a journey: Wholly within Thailand Domestic sectors, A journey within TC3 (Asia, Australia, New Zealand) and a journey between TC2 (Europe, Africa, Middle East) and TC3. The Piece concept applies for journeys: To/From the USA and Canada. ROP extra legacy: ROP Silver +10 kg, ROP & Star Gold +20 kg, Royal Orchid Platinum +30 kg (TG sectors only) — tier benefit, not base allowance.

Covers both Premium Economy Plus (Z on A330-300, 32 kg/pc) and Premium Economy (U/E, 23 kg/pc). Piece concept globally from 02 Mar 2026; legacy weight 35 kg total for Economy Plus until 01 Mar 2026. Max 158 cm per piece.

Label	Amount	Notes
International — Premium Economy Plus (Z) — Piece Concept	2 × 32 kg	Verbatim rendered on International piece table: Premium Economy Plus Class All Family* (Z) 2 Pieces (32 kg/pc). Infant 1 Piece (32 kg/pc). Dimension 158 cm. Footnote *: Premium Economy Plus Class is available on aircraft A330-300 (33C) only. Weight allowance per piece: up to 32 kg (70 lbs) for Premium Economy Plus Class — from Weight Allowance paragraph. ROP additional tier same as Business: Platinum +2 Pcs (32 kgs/pc), Gold/Star Gold +1 pc (32 kgs/pc), Silver +1 pc (23 kgs/pc) — notes only.
International — Premium Economy (U/E) — Piece Concept	2 × 23 kg	Verbatim rendered on International piece table: Premium Economy Class All Family (U / E) 2 Pieces (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm. Weight allowance per piece: up to 23 kg (50 lbs) for Premium Economy Class.
Domestic — Premium Economy Plus (Z) — Piece Concept	1 × 32 kg	Verbatim rendered on Purely Domestic piece table: Premium Economy Plus Class All Family* (Z) 1 Piece (32 kg/pc). Infant 1 Piece (32 kg/pc). Dimension 158 cm. Same A330-300 restriction.
Domestic — Premium Economy (U/E) — Piece Concept	1 × 23 kg	Verbatim rendered on Purely Domestic piece table: Premium Economy Class All Family (U / E) 1 Piece (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm.
Legacy — Weight Concept (until 01 Mar 2026)	35 kg total	Verbatim rendered on first table row: Economy Plus 35 kg (77 pounds) maximum combined weight. Weight concept applied to Wholly within Thailand / Within TC3 / Between TC2–TC3 journeys; Piece concept previously only for To/From USA and Canada.

Piece concept globally from 02 Mar 2026: Full Flex/Flexi 2 × 23 kg international, Standard/Saver 1 × 23 kg international; all families 1 × 23 kg domestic. Legacy weight 23–30 kg total until 01 Mar 2026. Max 158 cm per piece; max 23 kg per piece.

Label	Amount	Notes
International — Economy Full Flex (Y/B/M) — Piece Concept	2 × 23 kg	Verbatim rendered on International piece table: Economy Class Full Flex (Y / B / M) 2 Pieces (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm. Weight allowance per piece: up to 23 kg (50 lbs) for Economy Class. Condition: If passenger involuntarily reissued to lower class, higher-class allowance applies; mixed classes use highest fare class allowance — from High Important section.
International — Economy Flexi (H/Q/T) — Piece Concept	2 × 23 kg	Verbatim rendered on International piece table: Economy Class Flexi (H / Q / T) 2 Pieces (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm.
International — Economy Standard (K/S/V) — Piece Concept	1 × 23 kg	Verbatim rendered on International piece table: Economy Class Standard (K / S / V) 1 Piece (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm.
International — Economy Saver, Redeem & Others (W/L/X/N) — Piece Concept	1 × 23 kg	Verbatim rendered on International piece table: Economy Class Saver, Redeem & Others (W / L / X / N) 1 Piece (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm. Footnote : Condition applies in some destination with no baggage allowance — some destinations have no free checked baggage for these booking classes (rendered as double-asterisk note).
Domestic — All Economy families — Piece Concept	1 × 23 kg	Verbatim rendered on Purely Domestic piece table: each Economy row (Full Flex Y/B/M, Flexi H/Q/T, Standard K/S/V, Saver/Redeem W/L/X/N) all 1 Piece (23 kg/pc). Infant 1 Piece (23 kg/pc). Dimension 158 cm per row. Same mixed-class and packing advice as International — notes only.
Legacy — Weight Concept (until 01 Mar 2026, Wholly within Thailand / Within TC3 / Between TC2–TC3)	23 kg - 30 kg total	Verbatim rendered on first table row: Economy Class 23 - 30 kg (55 - 66 pounds)* maximum combined weight. Footnote rendered: *Saver Class 25 kg before 01 APR 25 and 23 kg on/after 01 APR 25, Standard Class 25 kg before 01 APR 25 and 23 kg on/after 01 APR 25, Flexi Class 30 kg, Full Flex Class 30 kg. Weight concept applied to same route set as above; Piece concept previously only To/From USA and Canada. Infant not occupying seat legacy: 10 kg (22 pounds) maximum combined weight. ROP additional tier legacy same as other cabins (Silver +10 kg, Gold/Star Gold +20 kg, Platinum +30 kg) — notes only, and for new piece concept: ROP Platinum +2 Pcs (23 kgs/pc), Gold/Star Gold +1 pc (23 kgs/pc), Silver +1 pc (23 kgs/pc).

Carry-on baggage

1 carry-on bag up to 7 kg, max 56 × 45 × 25 cm. Star Alliance Gold on journeys with 2+ Star carriers gets 1 additional piece.

All routes1 × 7 kg (56 × 45 × 25 cm)
- Verbatim rendered on carry-on table row: Royal First Class / Royal Silk Class / Premium Economy Plus Class** 1 Up to 7kg each Maximum length 56 cm (22 inches), width 45 cm (18 inches), thickness 25 cm (10 inches). Dimensions including wheels, handles, and side pockets. Required to place in overhead compartment or under seat.
- Free-of-charge items in addition: Handbag/wallet/purse/laptop max 37.5 × 25 × 12.5 cm or total 75 cm and max 1.5 kg; walking sticks/crutches; infant food — from FREE OF CHARGE ITEMS section.
- Additional star benefit row: *For Star Alliance Gold Status customers travelling in Royal First or Royal Silk Class and have a journey involving two or more Star Alliance carriers (Additional) 1 — recorded as extra piece for qualifying Gold members.
- Spot check may be performed at check-in/boarding gate against test unit/weighing machine.
- Note: Every passenger allowed one hand-carry baggage not over 7 kg or 45 linear inches (~115 cm) to be stowed in closed overhead bin — from OVER SIZED AND OVERWEIGHT BAGGAGE paragraph.

1 carry-on bag up to 7 kg, max 56 × 45 × 25 cm. Premium Economy Plus grouped with Royal First/Silk; Premium Economy (U/E) grouped with Economy for Star Gold nil but base 1 piece same.

Label	Amount	Notes
Premium Economy Plus (Z, A330-300 only)	1 × 7 kg (56 × 45 × 25 cm)	Verbatim rendered as part of Royal First/Silk grouping: Premium Economy Plus Class** 1 Up to 7kg each same dimensions. Additional Star Gold 1 piece when 2+ Star carriers (same as First/Business) — from star-benefit row. Free handbag 1.5 kg still applicable.
Premium Economy (U/E)	1 × 7 kg (56 × 45 × 25 cm)	Verbatim rendered on carry-on table row: Economy Plus Class / Economy Class 1 Up to 7kg each same dimensions 56×45×25 cm. Although table groups Economy Plus with Economy, Premium Economy (U/E) base is same 1 × 7 kg; star benefit NIL for this grouping (next row: Additional NIL). Clarification: On some locales THAI groups Premium Economy (U/E) with Economy for cabin baggage, but weight/size identical to Plus. Free handbag 1.5 kg applicable.

How to Add Extra Baggage & Prices on Thai Airways

Buy Baggage

Go to thaiairways.com and navigate to Manage My Booking, or open the THAI mobile app.
Retrieve your booking using your booking reference.
Select the option to add excess baggage.
Choose the weight in 5 kg increments.
Complete payment. An Electronic Miscellaneous Document (EMD) will be issued as confirmation.

Prices

Charged per kg on a zone basis. Online prices sold in 5 kg increments. Rates apply per checked portion of travel.

Label	Amount	Notes
Bangkok ↔ Zone 1 (SEA neighbors)	$8 per kg	Zone 1: Bangladesh, Cambodia, China (KMG), Laos, Malaysia, Myanmar, Singapore, Vietnam. Bangkok–Cambodia/Laos/Myanmar/Vietnam: $30 per 5 kg.
Bangkok ↔ Zone 2 (East/South Asia)	$10 per kg	Zone 2: China (BJS, SHA, CTU, CAN, XMN), Hong Kong, India, Indonesia, Nepal, Philippines, Sri Lanka, Taiwan.
Bangkok ↔ Zone 3 (Japan, Korea, Middle East)	$26 per kg	Zone 3: Australia (PER), Bahrain, Japan, Korea, Oman, Pakistan, UAE.
Bangkok ↔ Zone 4 (Australia East, Russia, Turkey)	$29 per kg	Zone 4: Australia (BNE, MEL, SYD), Russia (MOW), Türkiye.
Bangkok ↔ Zone 5 (Europe, NZ)	$46 per kg	Zone 5: Belgium, Denmark, France, Germany, Italy, New Zealand, Norway, Sweden, Switzerland, UK, Austria. Exception: Zone 5 ↔ Bangkok (except NZ and Austria): $100 per 5 kg online from 01 May 2025.
IST ↔ BKK special rate	$100 per 5 kg	Special flat rate for Istanbul–Bangkok sector, effective from 01 May 2025.
Cross-zone rates	$9–$56 per kg	Full matrix: Zone1↔Zone2 $11, Zone1↔Zone3 $30, Zone1↔Zone4 $34, Zone1↔Zone5 $53, Zone2↔Zone3 $34, Zone2↔Zone4 $41, Zone2↔Zone5 $53, Zone3↔Zone4 $45, Zone3↔Zone5 $53, Zone4↔Zone5 $56.
Domestic Thailand (from Bangkok)	50–80 THB per kg	Chiang Mai: 50 THB/kg, Phuket: 60 THB/kg, Krabi: 60 THB/kg, Hat Yai: 80 THB/kg, Khon Kaen: 55 THB/kg, Ubon Ratchathani: 60 THB/kg, Udon Thani: 55 THB/kg, Chiang Rai: 70 THB/kg.

Online purchase available up to 24 hours before departure. Ticketing office and contact centre also available.

Label	Amount	Notes
Online (website/app)	See official pricing	Available at least 24 hours before departure. Maximum 50 kg per person per flight. Can be purchased once per passenger per booking per route. Online rate may differ from airport counter rate.
Ticketing office / Contact Centre	See official pricing	Maximum 100 kg per person. Available no later than 24 hours prior to departure. Contact: 02 356 1111.
Airport check-in counter	See official pricing	Available on the day of departure. Rate may differ from online/ticketing office rate (effective for tickets issued from 01 Aug 2025 onward).

FAQ

Can I buy extra baggage online after booking?

Yes. Purchase excess baggage via Manage My Booking on thaiairways.com or the THAI mobile app, at least 24 hours before departure.

Where do I buy extra baggage?

Via the THAI website, THAI mobile app, ticketing offices, THAI Contact Centre (02 356 1111), or at the airport check-in counter.

When is the deadline to buy extra baggage online?

Online purchase must be made at least 24 hours before flight departure. Airport purchase available on the day.

How does Thai Airways calculate extra baggage charges?

Charged per kilogram on a zone basis (5 zones plus domestic Thailand). Online purchases are in 5 kg increments. Rates range from $8/kg (Bangkok–Zone 1) to $56/kg (Zone 4–Zone 5).

Is it cheaper to buy extra baggage online vs at the airport?

Online rates are exclusive offers that may differ from the airport check-in counter rates (effective for tickets issued from 01 Aug 2025).

How much extra baggage can I buy?

Online: up to 50 kg per person per flight (in 5 kg increments). Via ticketing office/contact centre: up to 100 kg.

Can I get a refund on extra baggage?

No. Online excess baggage is non-refundable and non-exchangeable. Valid for 1 year from the EMD issuance date.

Do partner-operated or codeshare flights have different baggage rules?

Online excess baggage is only valid for TG-operated flights. Not applicable for group bookings, waitlisted passengers, infants, or mileage-upgrade passengers.

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