Der er yderligere internationale lufthavne i [[Chiang Mai]] (CNX), [[Chiang Rai]] (CEI), [[Hat Yai]] (HDY), [[Pattaya]] (PYX), [[Phuket]] (HKT), [[Koh Samui]] (USM), [[Surat Thani]] (URT) og [[Uden Thani]] (UTH). De seks vigtigste lufthavne havde tilsammen 129 mio. passagerer fordelt på 823.574 flyoperationer (oktober 2016-september 2017), en stigning på 6 %, hvilket var 33,9 % over lufthavnenes kapacitet på 96,5 mio. passagerer om året. AOT (Airports of Thailand) planlagde i 2017 at investere yderligere 200 mia. baht (cirka 40 mia. DKK) til udbygning af de 6 vigtigste lufthavne over en 10-årig periode, herunder at udvide kapaciteten for Suvarnabhumi til 200 mio. passagerer årligt. Ifølge 2016-2017 opgørelsen opererede 135 [[flyselskab|luftfartsselskaber]], heraf 37 lavprisselskaber, til 200 destinationer i 57 lande, fra de seks AOT-lufthavne.<ref>[http://englishnews.thaipbs.or.th/aot-invest-200-billion-develop-six-airports/ AOT to invest 200 billion to develop six airports] {{Webarchive|url=https://web.archive.org/web/20170219065601/http://englishnews.thaipbs.or.th/aot-invest-200-billion-develop-six-airports/ |date=19. februar 2017 }}. [[Thai PBS]], 17-02-2017.</ref><ref>[https://news.voicetv.co.th/business/536920.html ผู้โดยสารใช้บริการ 6 สนามบิน ทอท. ทะลุ 129 ล้านคน] {{Webarchive|url=https://web.archive.org/web/20171103203823/https://news.voicetv.co.th/business/536920.html |date= 3. november 2017 }}. ''Voice TV'', 11-04-2017, hentet 11-04-2017.</ref><ref>[https://www.bangkokpost.com/business/tourism-and-transport/1357931/six-main-airports-see-big-surge-in-passenger-congestion Six main airports see big surge in passenger congestion]. [[Bangkok Post]], 10-11-2017, hentet 10-11-2017.</ref>
Politik