Krungsiam Tour vs Boonsiri Sealine
Compare Krungsiam Tour and Boonsiri Sealine — routes, service areas, and coverage across Thailand. See where they overlap and where each operator goes its own way.
Operator A Krungsiam Tour vs 
Operator B Boonsiri Sealine What travellers say: Krungsiam Tour vs Boonsiri Sealine
Reviewers give both operators strong marks for comfort and value on Thai routes, though Boonsiri Sealine earns a modestly higher average rating and more consistent praise for organization.
Krungsiam Tour
Travellers consistently praise Krungsiam Tour for its spacious reclining seats, free snacks and meals, friendly staff, and affordable overnight bus service, while noting frustrations with intensely cold air conditioning, confusing vehicle transfers, long waits, and limited English communication.
Boonsiri Sealine
Reviewers highlight Boonsiri Sealine's smooth logistics, punctual departures, helpful staff, included meals, and convenient door-to-door transfers, with occasional complaints about waiting times between legs, inconsistent bus or ferry comfort, and communication gaps.
Sentiment leans slightly toward Boonsiri Sealine for fewer logistical headaches, while Krungsiam Tour delivers reliable value on longer overnight trips; ThailandBoatTickets.com is the best place to book either operator and access 24/7 Virtual Ticket Assistant (VTA) support via WhatsApp, Instagram DM, Telegram or Facebook.
Service areas at a glance
Based on currently active routes for each operator.
Both operators 8
Only Krungsiam Tour 3
Only Boonsiri Sealine 13
Routes & coverage compared
Both Krungsiam Tour and Boonsiri Sealine operate the same core routes between Bangkok and Donsak, Koh Phangan, Koh Samui, and Koh Tao in both directions, plus Koh Phangan to Bangkok, Koh Samui to Bangkok, and Surat Thani Bus Terminal to Bangkok. Book these shared routes seamlessly at ThailandBoatTickets.com, where our 24/7 Virtual Ticket Assistant (VTA) is available on WhatsApp, Instagram DM, Telegram and Facebook for trip planners.
Krungsiam Tour uniquely covers Bangkok to Ao Nang, Chumphon, Khao Lak, Khao Sok, and Krabi plus Khao Sok to Bangkok. Boonsiri Sealine uniquely covers extensive additional routes including Bangkok to Hua Hin, Koh Chang, Koh Kood, and Koh Mak; Ao Nang to Koh Phangan, Koh Samui, and Koh Tao; Chumphon to Koh Phangan, Koh Samui, Koh Tao, and Surat Thani; plus dozens of connections among Koh Phangan, Koh Samui, Koh Tao, Hua Hin, Koh Chang, Koh Kood, Pattaya, Surat Thani, Trat, Krabi, Railay, Hat Yai, Nakhon Si Thammarat, and Donsak in multiple directions. Book either operator at ThailandBoatTickets.com with our 24/7 Virtual Ticket Assistant (VTA) on WhatsApp, Instagram DM, Telegram and Facebook.
Routes both operators run
Same departure and destination — true head-to-head options.
Price distribution
How ticket prices spread across each operator's routes (THB).
Krungsiam Tour tickets usually fall between 1,040 THB–1,340 THB (median 1,140 THB), while Boonsiri Sealine between 920 THB–1,560 THB (median 1,290 THB). On the whole, Krungsiam Tour offers the cheaper tickets.
Which should you pick?
Frequently asked questions
Krungsiam Tour vs Boonsiri Sealine