Thai Airways fees and trap map
Use this page as the factual starting point for Thai Airways, then compare the fee guide and related references before you book or add paid extras.
Look for where the airline turns common travel behavior into paid add-ons.
Bag, seat, and flexibility costs are the first places the cheap fare breaks.
Use the tools only after you understand which fee behavior matters for this airline.
Economy Class: 1 cabin bag up to 7 kg; Business and First Class have higher allowances; size limits apply
Advance seat selection fees vary by route, fare family, and seat type; free seat assignment available at check-in for eligible fares
Change and cancellation fees depend on fare rules and route; fare difference may apply
How to beat Thai Airways fees
Go from fee table to traveler strategy: traps, workarounds, fee-stack math, and what to do before checkout.
Use this page with the airline fee guide and related references when you need more than the published fee table alone.
Published fee rows
| Category | Amount | Conditions | Pricing | When | Source |
|---|---|---|---|---|---|
| Carry on | 0.00 THB | Economy Class: 1 cabin bag up to 7 kg; Business and First Class have higher allowances; size limits apply | Not published | per flight | Source |
| Checked baggage | 0.00 THB | Free checked baggage allowance included on most fares; allowance varies by route (piece or weight concept), cabin, and fare family | per direction | Not published | Source |
| Checked baggage | Varies THB | Additional checked baggage may be purchased in advance or at the airport; pricing depends on route and baggage concept | Not published | at booking / manage trip | Source |
| Overweight baggage | Varies THB | Overweight baggage fees apply when exceeding allowance up to 32 kg; fees depend on route and baggage concept | Not published | at airport | Source |
| Oversize baggage | Varies THB | Oversize baggage applies to items exceeding standard size limits; acceptance and fees depend on route and aircraft | Not published | at airport | Source |
| Seat selection | Varies THB | Advance seat selection fees vary by route, fare family, and seat type; free seat assignment available at check-in for eligible fares | Not published | at booking / manage trip | Source |
| Change cancellation | Varies THB | Change and cancellation fees depend on fare rules and route; fare difference may apply | Not published | before departure | Source |
| Unaccompanied minor | Varies THB | Unaccompanied Minor service available for eligible ages; fees and routing restrictions apply | per direction | Not published | Source |
How to use this page
The fee table is most useful when you read it alongside the airline fee guide, fare rules, and related baggage references.
Related guides
Sizer Reality Check
Carry-on measurements usually include wheels and handles. A bag marketed as "22 inches" can still fail if the real outer shell runs tall or will not compress when gate staff starts enforcing size visually.
Legal Disclaimer
If a row is missing or unclear, the page should show that uncertainty rather than guess.