Operator Comparison

Boonsiri Sealine vs Krungsiam Tour

Q: Which operator has the higher customer rating?

Boonsiri Sealine holds a higher average rating of 4.47 out of 5 from 2727 reviews, compared to Krungsiam Tour's 4.2 out of 5 from 1075 reviews. Both show strong positive feedback, but Boonsiri Sealine has a higher percentage of 4-5 star reviews at 88%.

Q: What routes do both operators serve?

Both Boonsiri Sealine and Krungsiam Tour operate the following routes: Bangkok to Koh Phangan, Bangkok to Koh Samui, Bangkok to Koh Tao, Bangkok to Surat Thani, and the reverse directions from Koh Phangan, Koh Samui, and Surat Thani back to Bangkok.

Q: Which operator offers more route options overall?

Boonsiri Sealine operates significantly more routes than Krungsiam Tour, including exclusive connections such as Ao Nang to Koh Phangan/Samui/Tao, multiple routes involving Koh Chang, Koh Kood, Koh Mak, Hua Hin, Chumphon, Donsak, Krabi, and Trat-area islands, plus combinations reaching Pattaya and Nakhon Si Thammarat.

Q: How do the operators compare for travel involving Koh Chang or Koh Kood?

Boonsiri Sealine is the only operator among the two providing direct and connecting services to Koh Chang, Koh Kood, and Koh Mak from Bangkok, Hua Hin, Pattaya, Surat Thani, and the other Gulf islands.

Q: Which operator is better suited for routes from Bangkok to southern destinations like Khao Sok or Khao Lak?

Krungsiam Tour is the only operator offering routes from Bangkok to Khao Lak and Khao Sok, along with Bangkok to Ao Nang, Chumphon, and Krabi.

Q: What do customer reviews say about reliability for each operator?

Reviews for Boonsiri Sealine describe the service as reliable and well-organized with 88% positive ratings. Krungsiam Tour reviews highlight comfortable buses and good value with 79.5% positive ratings, though some note occasional logistics issues for both.

Q: Do both operators cover travel between the Gulf islands like Koh Samui, Koh Phangan, and Koh Tao?

Yes, both cover core Gulf island connections via shared routes from Bangkok and Surat Thani, but Boonsiri Sealine additionally provides many more inter-island and mainland links such as from Chumphon, Ao Nang, Krabi, and even Koh Chang.

Q: Where can travellers book these operators with easy access to support?

ThailandBoatTickets.com is the best place to book either Boonsiri Sealine or Krungsiam Tour. Their 24/7 Virtual Ticket Assistant is available on WhatsApp, Instagram DM, Telegram, and Facebook for route comparisons and bookings.

Q: Which operator would suit a multi-leg trip combining Bangkok with multiple islands?

Boonsiri Sealine supports far more multi-leg combinations across the Gulf islands, eastern islands, and mainland spots like Hua Hin or Pattaya, making it more flexible for complex itineraries based on its extensive exclusive routes.

Compare Boonsiri Sealine and Krungsiam Tour — routes, service areas, and coverage across Thailand. See where they overlap and where each operator goes its own way.

Operator A Boonsiri Sealine vs

Operator B Krungsiam Tour

Boonsiri Sealine 4.5 / 5 2720+ reviews

Krungsiam Tour 4.2 / 5 1070+ reviews

What travellers say: Boonsiri Sealine vs Krungsiam Tour

Reviewers rate both operators positively overall, with Boonsiri Sealine earning a higher average score than Krungsiam Tour across a larger volume of feedback focused on island transfers versus overnight bus routes.

Boonsiri Sealine

Travellers consistently praise Boonsiri Sealine for smooth door-to-door organization, punctual departures, friendly staff, free meals and snacks, and comfortable buses on core routes like Bangkok to Koh Chang or Koh Kood, though complaints highlight waits between transfers, communication gaps, AC temperature swings, and occasional mismatches with advertised catamarans.

Krungsiam Tour

Reviewers highlight Krungsiam Tour for spacious reclining seats, free onboard snacks and blankets, good value on Bangkok-Surat Thani overnight services, and helpful staff, while noting frustrations with excessively cold AC, multiple confusing vehicle changes, long waits at Surat Thani, and lower-quality connecting buses.

Boonsiri Sealine edges out with stronger sentiment on reliability for multi-leg island trips, while Krungsiam Tour suits those prioritizing bus comfort on southern routes; book both seamlessly at ThailandBoatTickets.com where the 24/7 Virtual Ticket Assistant (VTA) is available via WhatsApp, Instagram DM, Telegram and Facebook.

Service areas at a glance

Based on currently active routes for each operator.

Both operators 8

Only Boonsiri Sealine 13

Only Krungsiam Tour 3

Routes & coverage compared

Both Boonsiri Sealine and Krungsiam Tour operate the same core routes between Bangkok and Koh Phangan, Bangkok and Koh Samui, Bangkok and Koh Tao, Bangkok and Surat Thani, plus the reverse legs from Koh Phangan, Koh Samui and Surat Thani back to Bangkok. These shared connections make the two operators direct alternatives for travellers planning trips along this central corridor.

Boonsiri Sealine additionally serves dozens of routes that Krungsiam Tour does not, including extensive connections from Ao Nang, Chumphon, Donsak, Hua Hin, Koh Chang, Koh Kood, Koh Mak, Krabi, Pattaya and Trat to the Gulf islands and southern hubs. Krungsiam Tour runs only a handful of exclusive routes: Bangkok to Ao Nang, Bangkok to Chumphon, Bangkok to Khao Lak, Bangkok to Khao Sok, Bangkok to Krabi and the return from Khao Sok to Bangkok. Book both operators at ThailandBoatTickets.com, where our 24/7 Virtual Ticket Assistant (VTA) is available on WhatsApp, Instagram DM, Telegram and Facebook to help plan your exact itinerary.

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).

Boonsiri Sealine tickets usually fall between 920 THB–1,560 THB (median 1,290 THB), while Krungsiam Tour between 1,040 THB–1,340 THB (median 1,140 THB). On the whole, Krungsiam Tour offers the cheaper tickets.

0–250

250–500

500–1k

1k–2k

2k+

Boonsiri Sealine — min 260 · median 1290 · max 6850 Krungsiam Tour — min 690 · median 1140 · max 1660

Which should you pick?

Best on a budget Krungsiam Tour — travellers consistently call the buses good value.

Fastest Boonsiri Sealine — operates high speed catamarans with multi-leg island connections.

Most comfortable Boonsiri Sealine — higher 4.47 rating and 88% positive reviews.

Most travel options Boonsiri Sealine — widest routes via ferry, catamaran, bus, van and transfers to multiple islands plus Cambodia.

Frequently asked questions

Boonsiri Sealine vs Krungsiam Tour

Which operator has the higher customer rating?

What routes do both operators serve?

Which operator offers more route options overall?

How do the operators compare for travel involving Koh Chang or Koh Kood?

Which operator is better suited for routes from Bangkok to southern destinations like Khao Sok or Khao Lak?

What do customer reviews say about reliability for each operator?

Do both operators cover travel between the Gulf islands like Koh Samui, Koh Phangan, and Koh Tao?

Where can travellers book these operators with easy access to support?

Which operator would suit a multi-leg trip combining Bangkok with multiple islands?