Thai Airways International is set to increase fuel surcharges on flights between Thailand and Japan starting May 1, 2026. The move comes as a response to the rising and volatile global jet fuel prices, significantly impacting the airline's operational costs. This adjustment will affect tickets issued from May 1, pending approval from aviation regulators.

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The revised surcharges will apply to flights from Suvarnabhumi Airport to major Japanese cities, including Tokyo, Nagoya, Osaka, Fukuoka, and Sapporo. For both First Class (Royal First) and Business Class (Royal Silk), the surcharge per flight segment will jump by $90, reaching a total of $170. Economy Class passengers will see an increase of $85, bringing the surcharge to $140. The adjustment aims to offset the unexpected surge in aviation fuel costs, with payment amounts in baht dependent on prevailing exchange rates at the time of ticket issuance.

Industry experts highlight the broader trend of fluctuating fuel prices affecting global air travel pricing. Customers are advised to purchase tickets before April 30 to lock in current rates, as tickets issued by that date will not incur the new surcharges. This move could influence traveler decisions, with potential changes in demand for these routes.

Looking forward, passengers and industry analysts will be watching closely to see if these increases will impact travel patterns between Thailand and Japan. Thai Airways is awaiting final regulatory approval and will continue to monitor fuel price trends, which could lead to further adjustments in the future.

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I thought there was a report in the last 24 hours saying that Thailand had surplus aviation fuel and were willing to sell to neighbouring counreies!

Thai airways had raised their ticket price already a few weeks back. Now a new raise again? I believe that the surcharge is more a compensation of the less flights THai Airways is doing now and a compensation for their loss from Europe.

Why specifically Japan?

Assuming that surcharges are for one way, else they are nearly exactly 50% of what ANA/JAL adjusted to for their flights to.