Turboprop aircraft in flight over the blue sea and scattered limestone islands of southern Thailand

Taking a direct flight from Krabi to Koh Samui can seem almost impossible with such limited routes. And even if you manage to book that 50-minute flight, it might not be as convenient (or cheap) as it looks once you factor in airport check-ins, bag transfers, and ticket costs.

This guide covers everything you need to know about flying this route: available airlines, real door-to-door travel times, and when flying actually makes sense. If you’d rather save your budget for the islands, the Krabi to Koh Samui bus and ferry transfer offers a solid overland alternative. 

Available Flight Routes

Unlike other popular routes in Thailand, options here are pretty limited: 

  • Direct Flights: Bangkok Airways runs this route about twice a day (around 13 flights weekly) using 70-seater ATR turboprops. Flight time is roughly 50 minutes. 
  • Afternoon Schedules Only: Flights usually depart in the afternoon or early evening (around 14:00 and 18:25). If you need to land on Samui before lunch, flying direct isn’t an option. 
  • Monopoly Pricing: Samui Airport is privately owned by Bangkok Airways, meaning they are the only carrier on this route. Without budget airline competition, ticket prices remain high year-round. 
  • Connecting Flights (Via Bangkok): You can technically fly from Krabi to Bangkok to Koh Samui, but it’s rarely worth it. It turns a 50-minute hop into a half-day journey with extra hassle and zero cost savings. 

Note: Schedules shift between peak and low seasons. Double-check departure times directly with the airline before locking in your plans. 

Departures board at Krabi International Airport showing a domestic flight to Koh Samui

Total Travel Time (Door-to-Door)

A 50-minute flight sounds fast, but your actual travel time is much longer once you calculate the full journey: 

  • Krabi Hotel to Airport:  30 – 45 minutes by taxi or van. 
  • Airport Arrival & Check-in: 90 minutes before domestic departure. 
  • Flight Time: 50 minutes in the air.  
  • Baggage Claim & Samui Exit: 20 – 30 minutes. 
  • Samui Airport to Hotel: 15 – 45 minutes depending on your beach location.  

Total Door-to-Door Time: Roughly 3.5 to 4.5 hours. 

Flight vs Bus + Ferry: Which Is Better for You? 

Both options get you there the same day. They suit different travellers, and the deciding factor is rarely speed.

Fly If

  • You need to skip the sea crossing – seasickness, small children, anyone who would spend the ferry dreading it.
  • Your day already starts late. An afternoon departure suits a late checkout better than it suits an early riser. 
  • You are travelling light and the cost difference is not a factor in your trip. 
  • You have a tight onward connection out of Samui the next morning and want to be on the island with the evening intact.

Take the Bus and Ferry If

  • Price matters. The surface route starts around ฿850 per person; the flight is several times that even when booked well ahead, and considerably more close to the date.
  • You want a morning start or a choice of times. The flight offers two departures, both late in the day. 
  • You have bulky or heavy luggage. Turboprop baggage allowances are modest, and excess is charged; nobody weighs your bag on a coach.
  • You would rather not depend on a single daily service. With one airline on the route, a cancellation can mean waiting for tomorrow.
  • You want door-to-door. The transfer collects you from the hotel and delivers you to Samui without you arranging either end

Full details of how that route works – operators, piers and pickup points – are on the bus and ferry transfer page.

Passengers walking across the tarmac to the open-air terminal at Samui Airport

Booking Tips   

  • Book as early as you can. On a single-carrier route with no competing airline, fares rise steadily towards the date, and there is no late-deal mechanism to rescue you.
  • Check the baggage allowance before you pay. ATR aircraft carry less than a jet, allowances are tighter than you may be used to, and extra weight bought in advance is far cheaper than at the counter.
  • Verify the schedule on the airline’s own site. Third-party listings lag seasonal retimings, and on a two-flight-a-day route a retimed departure changes your whole plan.
  • Do not book the last flight before an early international connection. One route, two flights, and a weather delay leaves you with no same-day fallback.
  • Think about the afternoon departure against your checkout time. Most Krabi hotels check out at noon, so plan where your bags and your afternoon go.
  • Price both options honestly for your group. For two or four people, the gap multiplies, and the hour saved rarely survives the comparison.

FAQ 

Is there a direct flight from Krabi to Koh Samui? 

Yes. Bangkok Airways flies the route directly, roughly twice a day, with a scheduled flight time of about 50 minutes on an ATR turboprop. It is the only airline serving the pair. 

Why is the flight so expensive? 

Because nothing competes with it. Samui Airport is privately operated by Bangkok Airways, and no budget carrier serves the route, so fares behave differently from the rest of domestic Thailand. Booking early is the only real lever you have. 

Is flying actually faster than the bus and ferry?

In the air, dramatically. Door to door, barely – roughly three and a half to four and a half hours against four to five. The honest reason to fly is avoiding the sea crossing, not saving the day. 

What happens if my flight is cancelled? 

With one airline and two daily departures, the next seat may be the following day. In bad weather, the overland route often keeps running, which is why some travellers keep it as a same-day fallback.

Passengers boarding a high-speed catamaran ferry beside a waiting transfer coach at a Krabi pier

Choosing Your Route

Flying from Krabi to Koh Samui sounds like a breeze and on paper, a 50-minute flight is hard to beat. But once you factor in hotel transfers, early check-ins, and waiting around baggage carousels, the time savings start to shrink pretty fast.
For most travelers, taking the ground-and-sea route is simply the smarter choice. It gives you far more departure options throughout the day at a fraction of the price. If you would rather save your cash for the trip itself, booking Krabi to Koh Samui by Bus and Ferry covers the exact same door-to-door journey from your Krabi hotel to Samui. You arrive on the same day, stress-free, with plenty of extra money left in your pocket.