Thai Airways International has announced a significant reduction in flight services, impacting a total of 46 routes across Asia and Europe throughout May 2026. The airline cites increased oil costs and decreased passenger demand during the low tourism season as primary reasons for these adjustments. To assist affected travelers, Thai Airways has prepared alternative arrangements through agents.
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Domestic routes experiencing cancellations include flights from Bangkok to Udon Thani, Ubon Ratchathani, and Khon Kaen, running from May 1 to May 31, 2026. On the international front, affected routes from Bangkok cover destinations such as Hyderabad, New Delhi, Mumbai, Singapore, and several other cities in Asia. Flights to European locations such as Istanbul, Frankfurt, Munich, and Copenhagen will also see reductions, particularly on select days.
Industry experts suggest that airlines often adjust schedules to manage economic challenges and fluctuating demand. The postponement of the launch of Thai Airways' new route to Changsha, China, from May to June 2026, reflects a cautious approach in expanding services amidst uncertain conditions.
Looking to the future, Thai Airways plans to closely monitor market dynamics to determine whether these flights can be reinstated. Evaluations of passenger demand and fuel costs will influence their operational strategies. Affected passengers are advised to stay informed through the airline or their travel agents for updates and options.
Complete List of Cancellations:
Domestic Routes:
TG002 Bangkok–Udon Thani: May 1-31, 2026
TG003 Udon Thani–Bangkok: May 1-31, 2026
TG020 Bangkok–Ubon Ratchathani: Every Tuesday and Thursday, May 5-28, 2026
TG021 Ubon Ratchathani–Bangkok: Every Tuesday and Thursday, May 5-28, 2026
TG040 Bangkok–Khon Kaen: May 1-31, 2026
TG041 Khon Kaen–Bangkok: May 1-31, 2026
International Routes:
TG329 Bangkok–Hyderabad: Every Monday and Wednesday, May 4-27, 2026
TG330 Hyderabad–Bangkok: Every Tuesday and Thursday, May 5-28, 2026
TG335 Bangkok–New Delhi: Every Friday, May 1-29, 2026
TG336 New Delhi–Bangkok: Every Saturday, May 2-30, 2026
TG351 Bangkok–Mumbai: May 1-31, 2026
TG352 Mumbai–Bangkok: May 2 to June 1, 2026
TG407 Bangkok–Singapore: May 2-31, 2026
TG408 Singapore–Bangkok: May 2-31, 2026
TG586 Bangkok–Techo (Phnom Penh): Every Tuesday, Thursday, and Saturday, May 2-30, 2026
TG587 Techo (Phnom Penh)–Bangkok: Every Tuesday, Thursday, and Saturday, May 2-30, 2026
TG602 Bangkok–Hong Kong: May 6-9, 2026
TG603 Hong Kong–Bangkok: May 7-10, 2026
TG628 Bangkok–Hong Kong: May 9-31, 2026
TG629 Hong Kong–Bangkok: May 9-31, 2026
TG630 Bangkok–Kaohsiung: May 8-31, 2026
TG631 Kaohsiung–Bangkok: May 8-31, 2026
TG636 Bangkok–Taipei: May 6-31, 2026
TG637 Taipei–Bangkok: May 7 to June 1, 2026
TG640 Bangkok–Narita: May 11-18 and May 30-31, 2026
TG641 Narita–Bangkok: May 12-19 and May 31, 2026 to June 1, 2026
TG656 Bangkok–Incheon: May 8-31, 2026
TG657 Incheon–Bangkok: May 9 to June 1, 2026
TG662 Bangkok–Shanghai Pudong: May 11-29 and May 31, 2026
TG663 Shanghai Pudong–Bangkok: May 11-29 and May 31, 2026
TG674 Bangkok–Beijing: May 7-28 and May 30-31, 2026
TG675 Beijing–Bangkok: May 8-29 and May 31, 2026 to June 1, 2026
TG694 Bangkok–Changsha: May 10-31, 2026
TG695 Changsha–Bangkok: May 10-31, 2026
TG900 Bangkok–Istanbul: Every Monday and Wednesday, May 11-27, 2026
TG901 Istanbul–Bangkok: Every Tuesday and Thursday, May 12-28, 2026
TG922 Bangkok–Frankfurt: Every Monday and Wednesday, May 18-27, 2026
TG923 Frankfurt–Bangkok: Every Monday and Wednesday, May 18-27, 2026
TG924 Bangkok–Munich: Every Tuesday and Thursday, May 19-28, 2026
TG925 Munich–Bangkok: Every Tuesday and Thursday, May 19-28, 2026
TG950 Bangkok–Copenhagen: Every Monday and Wednesday, May 18-27, 2026
TG951 Copenhagen–Bangkok: Every Monday and Wednesday, May 18-27, 2026
TG954 Bangkok–Oslo: Every Tuesday and Thursday, May 19-28, 2026
TG955 Oslo–Bangkok: Every Tuesday and Thursday, May 19-28, 2026
TG960 Bangkok–Stockholm: Every Monday and Wednesday, May 18-27, 2026
TG961 Stockholm–Bangkok: Every Monday and Wednesday, May 18-27, 2026
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Adapted by ASEAN Now · The Nation · 20 Apr 2026