Route overview
The average round-trip fare from Chennai to Koh Samui is Rs 45,521, with November being the best month for lower prices. Indian travelers should verify visa requirements for Koh Samui before booking, as daily budget data for the destination is unavailable.
Best deal available now
✈
Prices are 65% below average — great time to book
₹37,640
↓ 58% vs route avg
Departure: 2026-09-22 · in 12 days · Prices tracked live by Tripfik
₹30,829
Cheapest available
₹89,322
Route avg (120d)
Nov
Cheapest month
19,520
Fares tracked
As of September 2026, the cheapest one-way flight from Chennai to Koh Samui is ₹30,829, which is 65% below the 12-month average of ₹89,322.
Cheapest Chennai to Koh Samui flights
Next 120 days — sorted by date
₹37,640
22 Sep
· in 12d
₹38,535
03 Oct
· in 23d
Weekend
₹34,869
11 Oct
· in 31d
Weekend
₹31,161
22 Oct
· in 42d
₹37,640
27 Oct
· in 47d
CHEAPEST
₹30,829
03 Nov
· in 54d
₹37,640
10 Nov
· in 61d
₹37,640
17 Nov
· in 68d
Under ₹45,492 = top 25% best fares on this route
Round-trip fares — Chennai ↔ Koh Samui
Both directions combined · 3–14 night stays
12-month low
₹30,829
best RT found this year
12-month avg
₹45,691
typical combined price
12-month peak
₹589,685
avoid Jul
Best month for RT
Nov
lowest avg RT fares
Booking at the right time saves up to ₹14,862 (33%) vs average RT price.
Best time to visit Koh Samui from Chennai
Monthly price, weather & crowd guide
Jan
Dec
| Month | Typical OW fare | Verdict |
|---|---|---|
| Sep | ₹61,227 | Expensive |
| Oct | ₹70,571 | Expensive |
| Nov CHEAPEST | ₹91,976 | Expensive |
| Dec | ₹123,765 | Expensive |
Other international flights from Chennai
Chennai to Koh Samui — FAQ
What is the cheapest month to fly Chennai to Koh Samui?
November is the best month for lower prices, with an average fare of Rs 45,521. However, cheaper fares may occasionally appear in other months due to high volatility.
How much does a Chennai to Koh Samui trip cost?
The average round-trip fare is Rs 45,521, with minimums as low as Rs 30,884. Daily budget data for Koh Samui is unavailable in the provided information.
How far in advance should I book Chennai to Koh Samui flights?
The lowest fares are found when booking 61-90 days ahead at an average of Rs 113,974. Prices increase significantly as departure nears, peaking for last-minute bookings.
Which airlines fly Chennai to Koh Samui and are there non-stops?
Airlines include Akasa Air, Etihad, Bangkok Airways, and others. Non-stop options are not specified in the data; travelers should confirm availability during booking.
How many days is ideal for a Koh Samui trip from India?
A 7-14 day stay aligns with average fares of Rs 45k and allows time to explore attractions, though specific recommendations are not provided in the data.
Do Indians need a visa for Koh Samui?
Indian travelers should check visa requirements for Koh Samui. No cost or exemption details are specified in the provided information.
What is the best time to visit Koh Samui?
November is recommended as the best month, while July should be avoided due to high volatility and potential adverse weather conditions.
What are the top things to do in Koh Samui?
Top attractions data is unavailable. However, travelers can expect a mix of cultural and natural experiences typical of Thai destinations like Koh Samui.
Route data (12 months · 19,520 fares)
12m avg RT fare
₹45,691
RT historical low
₹30,829
Volatility
High
Data tier
Tier A · updated continuously
Last updated 10 Sep 2026 · Tripfik tracks live fares from all major Indian airports