Thai Airways International Public Company Limited (THAI) announced a winter flight schedule for its operations from 1 January-27 March 2021. Flight details are as follows.
Europe
  • TG910/911 Bangkok-London-Bangkok, one flight per week on Sunday
  • TG920/921 Bangkok-Frankfurt-Bangkok, one flight per week on Friday
  • TG950/951 Bangkok-Copenhagen-Bangkok, one flight per week on Sunday
Australia
  • TG475/476 Bangkok-Sydney-Bangkok, one flight per week (depart from Bangkok on Sunday and return from Sydney on Monday)
Asia
  • TG622/623 Bangkok-Osaka-Bangkok, one flight per week (depart from Bangkok on Saturday and return from Osaka on Sunday)
  • TG624/625 Bangkok-Manila-Bangkok, one flight per week on Thursday
  • TG632/633 Bangkok-Taipei-Bangkok, one flight per week on Friday,
  • TG638/639 Bangkok-Hong Kong-Bangkok, daily flight
  • TG642/643 Bangkok-Tokyo (Narita)-Bangkok, three flights per week  (depart from Bangkok on Monday, Wednesday, and Saturday then return from Tokyo on Tuesday, Thursday, and Sunday)
  • TG656/657 Bangkok-Seoul-Bangkok, one flight per week (depart from Bangkok on Wednesday and return from Seoul on Thursday)