Are you going on holiday in Thailand but do not know yet how to go from place A to place B? Well there are many options. Of course there is the train, bus, car, motorbike and you can fly from almost all main places in Thailand. So if you have limited time just take a smooth flight to almost anywhere in Thailand. As of 17 April 2016 there are 7 airlines flying domestic routes in Thailand from/to the following places.
Thai Airways is the national carrier of Thailand and flying from Survarnabhumi Airport (Bangkok) and Don Muang Airport (Bangkok), although I think the flights from DMK are all Thai Smile, to Chiang Mai, Koh Samui, Krabi, Phuket, Chiang Rai, Khon Kaen, Ubon Ratchathani, Udon Thani, Surat Thani, Hat Yai and Narathiwat.
Thai Smile is a Thai budget airline and flying from Don Muang Airport (Bangkok) and Survarnabhumi Airport (Bangkok), although I think the flights from BKK are all Thai Airways flight, to all the same places as Thai Airways.
Nok Air is a Thai budget airline flying from Don Muang Airport (Bangkok) to Buriram, Chiang Mai, Chiang Rai, Chumphon, Hat Yai, Khon Kaen, Krabi, Lampang, Loei, Mae Sot, Nakhon Phanom, Nakhon Si Tammarat, Nan, Phitsanulok, Phrae, Phuket, Ranong, Roi Et, Sakhon Nakhon, Surat Thani, Trang, Ubon Ratchathani and Udon Thani. And they offer Fly & Ride connections from their destinations to Chiang Khong, Ao Nang, Mukdahan, Khao Lak, Satun, Sukhothai and Surin. Or Fly & Ferry connections from their destinations to Koh Kradan, Koh Lanta, Koh Lipe, Koh Mook, Koh Phangan, Koh Samui and Koh Tao.
Thai Air Asia is part of the Air Asia group and flying from Don Muang Airport (Bangkok) to Buriram, Chiang Mai, Chiang Rai, Hat Yai, Khon Kaen, Krabi, Loei, Nakhon Phanom, Nakhon Si Tammarat, Nan, Narathiwat, Pattaya / U-Tapao, Phitsanulok, Phuket, Roi Et and Sakhon Nakhon.
Thai Lion Air is a sister company from Lion Air and flying from Don Muang Airport (Bangkok) to Chiang Mai, Chiang Rai, Hat Yai, Krabi, Nakhon Si Tammarat, Phuket, Surat Thani, Ubon Ratchathhani and Udon Thani. And they offer City Transfer to Chiang Khan, Kalasin, Khao Lak, Mahasarakham, Mukdahan, Pai, Pattaya city, Rayong, Sukhothai and Surin. And they offer Island Transfer to Koh Lan, Koh Lanta, Koh Lipe, Koh Phangan, Koh Phi Phi, Koh Samet, Koh Tao and Koh Yao Noi.
Bangkok Airways is a respectable boutique airline and flying from Survarnabhumi Airport (Bangkok) to Krabi, Lampang, Chiang Rai, Chiang Mai, Phuket, Koh Samui, Trat, Sukhothai and Pattaya / U-Tapao).
Orient Thai Airlines, flying from Don Muang Airport (Bangkok) to Phuket.
Disclaimer : All information is created in good faith and is an expression of fair comment.