In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest time of day to fly from BOM to USM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Mumbai to Ko Samui as you normally would.

Can I find deals for flights from Mumbai to Ko Samui that include hotel bookings?

Yes. In addition to deals on Mumbai to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Mumbai to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mumbai to Ko Samui.

Can I find deals for business class flights from Mumbai to Ko Samui?

Yes. Cheapflights offers flight deals from Mumbai to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 19,076+ Cheap Flights from Mumbai to Ko Samui

Cheap flight deals from Mumbai to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Mumbai to Ko Samui
Explore the most affordable flight options available from Mumbai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Mon 12/1000:55 -

1 stop14h 25m

Sun 18/1007:50 -

1 stop17h 30m

Deal found 3/9₹ 38,152

Wed 9/906:20 -

1 stop24h 35m

Tue 15/908:00 -

1 stop10h 30m

Deal found 3/9₹ 47,596

Sun 20/906:20 -

1 stop12h 35m

Tue 29/909:15 -

1 stop9h 15m

Deal found 5/9₹ 47,785

Tue 20/1000:55 -

1 stop8h 20m

Thu 29/1018:15 -

1 stop7h 45m

Deal found 4/9₹ 47,973

Fri 23/1000:55 -

1 stop9h 15m

Sun 25/1018:15 -

1 stop7h 45m

Deal found 4/9₹ 49,673

Fri 23/1000:55 -

1 stop9h 15m

Thu 29/1018:15 -

1 stop7h 45m

Deal found 4/9₹ 49,957

Wed 21/1000:55 -

2 stops18h 00m

Thu 29/1018:15 -

1 stop7h 45m

Deal found 7/9₹ 50,334

Wed 21/1000:55 -

1 stop8h 20m

Tue 27/1018:15 -

1 stop7h 45m

Deal found 4/9₹ 51,373

Sun 25/1023:10 -

1 stop7h 30m

Tue 27/1018:15 -

1 stop7h 45m

Deal found 4/9₹ 51,562

Find flight deals from Mumbai to Ko Samui

Round-trip from	₹ 38,152
One-way from	₹ 19,076

12/10-18/10
2 total stops
31h 55m total
Mumbai to Ko Samui

Search Deals

28/2-31/12
1 total stop
28h 55m total
Mumbai to Ko Samui

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sun 28/2

00:45-07:10

1 stop28h 55m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 19,076

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sun 18/10

00:55-15:25

1 stop13h 00m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 22,004

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 29/9

00:55-18:30

1 stop16h 05m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 27,009

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 15/9

00:55-17:05

1 stop14h 40m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 28,142

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 1/12

19:15-07:10

2 stops10h 25m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 34,280

Fastest return journey

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Wed 23/12

00:40-10:25

1 stop8h 15m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 35,980

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Fri 25/12

20:00-08:05

2 stops10h 35m

Ko Samui

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 49,012

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 15/12

00:45-14:55

1 stop12h 40m

Ko Samui

Tue 22/12

08:15-00:30

1 stop17h 45m

₹ 58,078

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Wed 21/10

13:30-07:10

1 stop16h 10m

Ko Samui

Fri 23/10

15:50-23:40

1 stop9h 20m

₹ 60,722

MumbaiKo Samui

BOM Mumbai Chhatrapati Shivaji Intl - USM Ko Samui

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Thu 17/12

00:45-15:40

1 stop13h 25m

Ko Samui

Mon 21/12

07:55-23:50

1 stop17h 25m

₹ 60,911

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Mumbai to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Mumbai with our price prediction graph.

BOM-USM

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Mumbai to Ko Samui that include hotel bookings?
Yes. In addition to deals on Mumbai to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Mumbai to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mumbai to Ko Samui.
Can I find deals for business class flights from Mumbai to Ko Samui?
Yes. Cheapflights offers flight deals from Mumbai to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Ko Pha Ngan

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Alternative routes

Complete your trip

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Flights by cabin class

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Cheapflights makes it easy to find Mumbai to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Mumbai to Ko Samui?

Cheapflights simply makes it quick and affordable to book flights from Mumbai to Ko Samui by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Mumbai to Ko Samui with no change fees?

Need flexible booking options for your flight to Ko Samui from Mumbai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Mumbai to Ko Samui become cheaper?

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Cheap flights from Mumbai to Ko Samui from ₹ 19,076

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Mumbai to Ko Samui

Cheapest flights from Mumbai to Ko SamuiExplore the most affordable flight options available from Mumbai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Explore the most affordable flight options available from Mumbai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Mumbai to Ko SamuiDiscover carefully curated flight deals from Mumbai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from Mumbai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Mumbai to Ko SamuiDiscover last-minute flight deals from Mumbai to Ko Samui. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from Mumbai to Ko Samui. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Mumbai to Ko SamuiSearch for one-way flight options from Mumbai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from Mumbai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

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Best time to book a flight from Mumbai to Ko Samui

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Related info for your journey

Can I find deals for flights from Mumbai to Ko Samui that include hotel bookings?

How can I find direct flights from Mumbai to Ko Samui?

Can I find deals for business class flights from Mumbai to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mumbai to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Samui by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Mumbai to Ko Samui by cabin class

Find flights from Mumbai to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 September 2026.

Mumbai and Ko Samui flights

Browse other Mumbai and Ko Samui flight options. Last updated on 7 September 2026.

Other flights from Mumbai

Browse through other flights departing from Mumbai. Flights are based on user searches made on Cheapflights and were last updated on 7 September 2026.

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How does Cheapflights help users find flights from Mumbai to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets from Mumbai to Ko Samui?

Can Cheapflights find flights from Mumbai to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights from Mumbai to Ko Samui become cheaper?

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Cheapest flights from Mumbai to Ko Samui
Explore the most affordable flight options available from Mumbai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Mumbai to Ko Samui
Discover carefully curated flight deals from Mumbai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Mumbai to Ko Samui
Discover last-minute flight deals from Mumbai to Ko Samui. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Mumbai to Ko Samui
Search for one-way flight options from Mumbai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.