In terms of precipitation, rainfall in Mumbai ranges from 0.0 - 819.0 inches per month. July is typically the wettest month, when rainfall can reach 819.0 mm. March is typically the driest time to visit Mumbai when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Mumbai, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.0 C).

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

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

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

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

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

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

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

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

฿9,670+ Cheap Flights from Ko Samui to Mumbai

Cheap flight deals from Ko Samui to Mumbai

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ko Samui to Mumbai
Explore the most affordable flight options available from Ko Samui to Mumbai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Sun 8/1118:15 -

1 stop7h 45m

Tue 24/1100:45 -

2 stops40h 10m

Deal found 27/9฿13,229

Sun 18/1006:00 -

1 stop12h 40m

Sat 24/1013:05 -

1 stop17h 00m

Deal found 29/9฿16,251

Sun 25/1007:55 -

2 stops13h 25m

Sat 31/1000:45 -

1 stop13h 05m

Deal found 27/9฿16,519

Find flight deals from Ko Samui to Mumbai

Round-trip from	฿13,229
One-way from	฿9,670

8/11-24/11
3 total stops
47h 55m total
Ko Samui to Mumbai

Search Deals

23/1-31/12
1 total stop
14h 25m total
Ko Samui to Mumbai

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sat 23/1

08:55-21:50

1 stop14h 25m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿9,670

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Wed 27/1

06:45-23:35

1 stop18h 20m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿10,207

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Wed 6/1

11:00-23:35

1 stop14h 05m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿11,516

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sun 3/1

19:00-21:20

1 stop27h 50m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿11,986

Fastest return journey

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sun 4/10

12:30-23:40

2 stops12h 40m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿12,591

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sat 2/1

09:20-00:30

1 stop16h 40m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿13,162

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sun 8/11

18:15-00:30

1 stop7h 45m

Mumbai Chhatrapati Shivaji Intl

Tue 24/11

00:45-18:25

2 stops40h 10m

฿13,229

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Fri 1/1

06:45-21:10

2 stops15h 55m

Mumbai Chhatrapati Shivaji Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿14,639

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sun 18/10

06:00-17:10

1 stop12h 40m

Mumbai Chhatrapati Shivaji Intl

Sat 24/10

13:05-07:35

1 stop17h 00m

฿16,251

Ko SamuiMumbai

USM Ko Samui - BOM Mumbai Chhatrapati Shivaji Intl

USMBOM

Ko Samui

Sun 25/10

08:15-00:30

1 stop17h 45m

Mumbai Chhatrapati Shivaji Intl

Sat 31/10

00:45-07:45

1 stop29h 30m

฿17,325

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Sorted by cheapest first

Best time to book a flight from Ko Samui to Mumbai

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

USM-BOM

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

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Flights by cabin class

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Alternative routes for Ko Samui to Mumbai

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Mumbai from Ko Samui today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ko Samui to Mumbai 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 Ko Samui to Mumbai with no change fees?

Yes, we can. To see specific flights from Ko Samui to Mumbai with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Ko Samui to Mumbai flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Ko Samui to Mumbai from ฿9,670

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ko Samui to Mumbai

Cheapest flights from Ko Samui to MumbaiExplore the most affordable flight options available from Ko Samui to Mumbai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Explore the most affordable flight options available from Ko Samui to Mumbai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Ko Samui to MumbaiDiscover carefully curated flight deals from Ko Samui to Mumbai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Ko Samui to Mumbai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Ko Samui to MumbaiDiscover last-minute flight deals from Ko Samui to Mumbai. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Mumbai. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Ko Samui to MumbaiSearch for one-way flight options from Ko Samui to Mumbai. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Ko Samui to Mumbai. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

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Best time to book a flight from Ko Samui to Mumbai

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

Related info for your journey

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

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

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

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 Ko Samui to Mumbai

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

Complete your trip

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

Direct flights to Maharashtra

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

Search flights from Ko Samui to Mumbai by cabin class

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

Other flights to Mumbai

Explore flights to Mumbai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

Ko Samui and Mumbai flights

Browse other Ko Samui and Mumbai flight options. Last updated on 29 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Ko Samui to Mumbai
Explore the most affordable flight options available from Ko Samui to Mumbai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Ko Samui to Mumbai
Discover carefully curated flight deals from Ko Samui to Mumbai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Ko Samui to Mumbai
Discover last-minute flight deals from Ko Samui to Mumbai. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Ko Samui to Mumbai
Search for one-way flight options from Ko Samui to Mumbai. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.