Route overview
The average round-trip fare from Mumbai to Koh Samui is Rs 50,660, with September as the best month to travel. Indian travelers should check visa requirements for Koh Samui before booking, as no daily budget data is available for the destination.
Best deal available now
✈
Prices are 68% below average — great time to book
₹35,431
↓ 62% vs route avg
Departure: 2026-09-23 · in 13 days · Prices tracked live by Tripfik
₹30,076
Cheapest available
₹93,137
Route avg (120d)
Sep
Cheapest month
21,221
Fares tracked
As of September 2026, the cheapest one-way flight from Mumbai to Koh Samui is ₹30,076, which is 68% below the 12-month average of ₹93,137.
Cheapest Mumbai to Koh Samui flights
Next 120 days — sorted by date
₹35,431
23 Sep
· in 13d
₹33,186
25 Sep
· in 15d
Weekend
₹30,434
22 Oct
· in 42d
₹33,186
23 Oct
· in 43d
Weekend
CHEAPEST
₹30,076
15 Nov
· in 66d
Weekend
₹31,509
20 Nov
· in 71d
Weekend
₹31,538
21 Nov
· in 72d
Weekend
₹31,509
23 Nov
· in 74d
Guru Nanak J
Under ₹47,956 = top 25% best fares on this route
Round-trip fares — Mumbai ↔ Koh Samui
Both directions combined · 3–14 night stays
12-month low
₹30,076
best RT found this year
12-month avg
₹50,233
typical combined price
12-month peak
₹1,071,686
avoid Aug
Best month for RT
Sep
lowest avg RT fares
Booking at the right time saves up to ₹20,157 (40%) vs average RT price.
Best time to visit Koh Samui from Mumbai
Monthly price, weather & crowd guide
Jan
Dec
| Month | Typical OW fare | Verdict |
|---|---|---|
| Sep CHEAPEST | ₹51,896 | Average |
| Oct | ₹95,473 | Expensive |
| Nov | ₹91,553 | Expensive |
| Dec | ₹92,090 | Expensive |
Other international flights from Mumbai
Mumbai to Koh Samui — FAQ
What is the cheapest month to fly Mumbai to Koh Samui?
September is the best month to travel, though average fares remain at Rs 50,660. Cheaper fares may emerge in August, but it’s the worst month due to high volatility.
How much does a Mumbai to Koh Samui trip cost?
The average round-trip fare is Rs 50,660, with minimums as low as Rs 30,163. No daily budget data is available for Koh Samui.
How far in advance should I book Mumbai to Koh Samui flights?
The lowest fares are found when booking 31-60 days ahead at Rs 113,272. Prices increase sharply within 0-7 days of departure, reaching Rs 172,080.
Which airlines fly Mumbai to Koh Samui and are there non-stops?
Airlines include Akasa Air, Etihad, Bangkok Airways, and others. Non-stop options are not explicitly listed; travelers should confirm during booking.
How many days is ideal for a Koh Samui trip from India?
There’s no specified ideal duration due to missing attraction data. Budget considerations suggest mid-range trip lengths align with average fares of Rs 50,660.
Do Indians need a visa for Koh Samui?
Indian travelers must check visa requirements for Koh Samui as per official guidelines. No specific cost or exemption details are provided in the data.
What is the best time to visit Koh Samui?
September is recommended due to lower volatility, while August should be avoided. Weather and crowd data are unavailable for precise timing.
What are the top things to do in Koh Samui?
Top attractions are not listed in the provided data. Travelers may explore local experiences based on general tourist preferences for tropical destinations.
Route data (12 months · 21,221 fares)
12m avg RT fare
₹50,233
RT historical low
₹30,076
Volatility
High
Data tier
Tier A · updated continuously
Last updated 10 Sep 2026 · Tripfik tracks live fares from all major Indian airports