Andaman Sea · Seasonal
Koh Jum to Koh Ngai ferry
1 ferry departure is listed from Koh Jum to Koh Ngai on Thursday 5 November at 11:10, run by Bundhaya Speed Boat. The fastest takes 1h 50m; operators publish 1h 50m – 2h 30m. Boats leave from Koh Jum (Bundhaya stop) and arrive at Koh Ngai (Bundhaya stop). Seasonal: Bundhaya lists Koh Jum → Koh Ngai for 1 November – 4 May and the return for 15 October – 4 May.
- Fastest 1h 50m
- 1 departures listed
- 1 operator
- From €39.21
✓ Checked 2 Nov 2026 against 4 sources
Updated 2 Nov 2026 · Sources · How we check
Book Koh Jum → Koh Ngai
E-tickets from trusted operators, with live seats and prices.
Fares from €39.21 per person, seen 2 Nov 2026
- E-ticket on your phone
- 1 operators, 1 departures listed
- Fastest crossing 1h 50m
High season: boats on popular Andaman Coast routes can sell out in December, January and around holidays. Book a day or more ahead.
Koh Jum to Koh Ngai departures
Departures listed for 5 Nov 2026 (checked 2 Nov 2026). Fares are per adult, as listed that day. Times can change by date and season: pick your date for live seats.
| Depart → arrive | Operator & piers | Time | Fare | Book |
|---|---|---|---|---|
| 11:10 → 13:00 | Bundhaya Speed Boat Koh Jum → Koh Ngai Resort | 1h 50m | €39.21 | Book |
Operator timetable
Seasonal (1 November – 4 May): 1 speedboat a day in December
Bundhaya lists Koh Jum → Koh Ngai for 1 November – 4 May and the return for 15 October – 4 May.
- Koh Jum → Koh Ngai: 11:10 → 13:00 (10 Dec 2026)
- Koh Ngai → Koh Jum: 11:30 → 14:00 (10 Dec 2026); 11:30 → 14:00 (20 Oct 2026)
Source: Bundhaya Speed Boat booking timetable (operator site), checked 8 Oct 2026.
Route facts
| Departs | Koh Jum (Bundhaya stop), Krabi |
|---|---|
| Arrives | Koh Ngai (Bundhaya stop), Trang |
| Crossing time | 1h 50m – 2h 30m (fastest listed: 1h 50m) |
| Distance | About 22 nautical miles (41 km) |
| Operators | Bundhaya Speed Boat (About 1h 50m) |
| Boats | Speedboat |
| Season | Seasonal: Bundhaya lists Koh Jum → Koh Ngai for 1 November – 4 May and the return for 15 October – 4 May. |
| Vehicles | Passengers only |
| Sea | Andaman Sea |
See every operator, seat availability and the live price.
Before you travel
Good to know
- Bundhaya’s island-hopping routes are seasonal: most start between 15 October and 1 November and stop in early or late May, and they disappear from its booking search outside those dates.
Getting to and from the pier
- The same Bundhaya boats link Koh Jum and Koh Ngai with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang and the Trang islands)
Return trip: Koh Ngai → Koh Jum: 11:30 → 14:00 on 10 December 2026 (about 2h 30m).
Koh Jum to Koh Ngai ferry: questions
How long is the ferry from Koh Jum to Koh Ngai?
Operators publish 1h 50m – 2h 30m for Koh Jum to Koh Ngai. The sea distance is about 22 nautical miles.
How many ferries a day go from Koh Jum to Koh Ngai?
1 departure was listed for 5 Nov 2026 at 11:10 (checked 2 Nov 2026). The operators’ own timetable: Seasonal (1 November – 4 May): 1 speedboat a day in December. Departures change with the season, so check the date you want to travel.
Where does the Koh Jum to Koh Ngai ferry leave from?
The main departure point is Koh Jum (Bundhaya stop); boats arrive at Koh Ngai (Bundhaya stop). The same Bundhaya boats link Koh Jum and Koh Ngai with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang and the Trang islands).
How much is the ferry from Koh Jum to Koh Ngai?
On 2 Nov 2026, the booking listing showed fares from €39.21 to €39.21 per adult for 5 Nov 2026. The price depends on the operator, the boat (ferry, speedboat or catamaran) and whether a hotel or pier transfer is included. These were the prices on that day: check the live fare for your date before booking.
Which companies run ferries from Koh Jum to Koh Ngai?
Bundhaya Speed Boat. Bundhaya Speed Boat: Speedboat.
Does the Koh Jum to Koh Ngai ferry run all year?
No, it is seasonal. Bundhaya lists Koh Jum → Koh Ngai for 1 November – 4 May and the return for 15 October – 4 May. The southwest monsoon brings rougher seas from roughly May to October. Several island-hopping speedboats, especially in the far south around Koh Lipe and the Trang islands, run only in the high season, roughly November to April.
Can I take a car or motorbike from Koh Jum to Koh Ngai?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Ngai to Koh Jum?
Koh Ngai → Koh Jum: 11:30 → 14:00 on 10 December 2026 (about 2h 30m).
How long does the boat from Koh Jum to Koh Ngai take?
About 1h 50m. On 10 December 2026 Bundhaya’s speedboat leaves at 11:10 (arriving 13:00).
When does the Koh Jum to Koh Ngai speedboat run?
Bundhaya lists it for 1 November – 4 May. It was not yet running on 20 October 2026. Outside its season the route does not appear in Bundhaya’s booking search.
Sources and checks
We check each route against the operators’ and ports’ own pages, and read our booking partner’s public route page for current departures. Facts we could not confirm are left out.
- bundhayaspeedboat.com, checked 8 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 20 Oct and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 8 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 20 Oct and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 8 Oct 2026: Bundhaya route list: every route it sells, with travel time and starting price (checked 8 Oct 2026).
- Booking partner (12Go) public route page, departures and fares read 2 Nov 2026
Photo: Palm-lined beach and turquoise reef on Koh Ngai, with limestone islets offshore (Siamways, Wikimedia Commons, CC BY-SA 4.0).
🙏 Spotted something out of date? Tell us at sawadee@thaiferries.co and we’ll check it.
More ferries from Koh Jum
- Koh Jum → Koh Kradanfrom 2h 30m · 1 departures · from €40.27 · seasonal
- Koh Jum → Koh Mookfrom 2h 10m · 1 departures · from €40.27 · seasonal
- Koh Jum → Koh Yao Yaifrom 1h 50m · 1 departures · from €36.90 · seasonal
- Koh Jum → Railayfrom 50 min · 1 departures · from €23.84 · seasonal
- Koh Jum → Koh Libong3h 52m
Onward from Koh Ngai
- Koh Ngai → Koh Lipefrom 2h 20m · 2 departures · from €42.92 · seasonal
- Koh Ngai → Koh Mookfrom 10 min · 2 departures · from €8.35 · seasonal
- Koh Ngai → Koh Kradanfrom 25 min · 2 departures · from €10.01 · seasonal
- Koh Ngai → Langkawifrom 7h 50m · 2 departures · from €74.18 · seasonal
- Koh Ngai → Koh Bulonefrom 1h 25m · 1 departures · from €31.71
- Koh Ngai → Koh Libongfrom 2h · 1 departures · from €31.79
- Koh Ngai → Koh Yao Noifrom 4h 10m · 1 departures · from €48.98 · seasonal
Other ways to reach Koh Ngai
- Koh Phi Phi → Koh Ngaifrom 1h 30m · 4 departures · from €35.05 · seasonal
- Phuket → Koh Ngaifrom 2h 30m · 3 departures · from €54.47 · seasonal
- Koh Lanta → Koh Ngaifrom 30 min · 2 departures · from €16.69 · seasonal
- Ao Nang → Koh Ngaifrom 2h 50m · 1 departures · from €51.92 · seasonal
- Railay → Koh Ngaifrom 2h 30m · 1 departures · from €50.07 · seasonal
- Koh Yao Yai → Koh Ngaifrom 3h 40m · 1 departures · from €48.98 · seasonal
- Trang → Koh Ngai20m – 1h 45m