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Cheap flights from Mumbai to Ko Samui from ₹ 20,113

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOM — USM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Mumbai to Ko Samui

Enter your travel dates to find the best prices.

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 12 December 2025.

Tue 16/1207:30BOM - USM
1 stop23h 05mMultiple Airlines
Tue 23/1219:35USM - BOM
1 stop23h 45mMultiple Airlines
Deal found 10/12₹ 47,261
Thu 18/1215:10BOM - USM
1 stop15h 25mMultiple Airlines
Tue 20/118:15USM - BOM
1 stop7h 45mMultiple Airlines
Deal found 10/12₹ 49,065
Thu 18/1215:10BOM - USM
1 stop15h 25mMultiple Airlines
Sat 17/118:15USM - BOM
1 stop7h 45mMultiple Airlines
Deal found 10/12₹ 49,516
Sat 20/1216:05BOM - USM
2 stops37h 40mMultiple Airlines
Tue 20/118:15USM - BOM
1 stop7h 45mMultiple Airlines
Deal found 10/12₹ 57,363
Sun 14/1200:55BOM - USM
1 stop29h 05mMultiple Airlines
Sat 20/1215:50USM - BOM
1 stop10h 10mMultiple Airlines
Deal found 12/12₹ 61,241
Wed 17/1223:35BOM - USM
1 stop16h 05mSingapore Airlines
Tue 20/119:45USM - BOM
1 stop16h 20mSingapore Airlines
Deal found 10/12₹ 70,350

Find flight deals from Mumbai to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Mumbai (BOM) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

₹ 40,767

One-way from

₹ 20,113

Popular in

November

Cheapest in

February

Average price

₹ 44,014
1/3-10/3
  • 1/3-10/3
  • 2 total stops
  • 22h 10m total
  • Mumbai to Ko Samui
Search Deals
25/1
  • 25/1
  • 1 total stop
  • 14h 20m total
  • Mumbai to Ko Samui
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (₹ 580,230 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 166,204 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Mumbai to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Mumbai to Ko Samui that are best for you.

Fly from

Mumbai

Fly to

Ko Samui

Route

Depart

Return

Price

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sun 1/3

01:40-15:10

1 stop12h 00m

Ko Samui

Tue 10/3

15:50-00:30

1 stop10h 10m

₹ 40,767

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sun 1/2

01:40-13:50

1 stop10h 40m

Ko Samui

Sat 7/2

15:50-00:30

1 stop10h 10m

₹ 41,489

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Mon 2/2

23:10-18:15

2 stops17h 35m

Ko Samui

Sat 7/2

08:15-21:20

2 stops14h 35m

₹ 80,272

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sat 27/12

23:20-11:00

2 stops34h 10m

Ko Samui

Sun 4/1

19:45-13:40

1 stop19h 25m

₹ 106,608

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sat 27/12

23:20-11:00

2 stops34h 10m

Ko Samui

Fri 2/1

08:55-23:00

1 stop15h 35m

₹ 107,600

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Wed 24/12

02:05-17:10

1 stop13h 35m

Ko Samui

Fri 2/1

08:55-13:40

1 stop30h 15m

₹ 107,870

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Wed 24/12

02:05-17:10

1 stop13h 35m

Ko Samui

Sat 3/1

19:45-13:40

1 stop19h 25m

₹ 110,847

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sat 3/1

03:10-07:35

2 stops26h 55m

Ko Samui

Thu 8/1

07:00-02:10

2 stops20h 40m

₹ 111,208

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Thu 25/12

02:05-17:10

1 stop13h 35m

Ko Samui

Sun 4/1

19:45-02:30

2 stops32h 15m

₹ 113,372

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sat 27/12

16:10-17:10

2 stops23h 30m

Ko Samui

Sat 3/1

19:45-13:40

1 stop19h 25m

₹ 114,274

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Showing 1-10 of 18 results
1
2

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Mumbai to Ko Samui

What is the cheapest month to book a flight from Mumbai to Ko Samui?

Currently, January is the cheapest month in which you can book a flight from Mumbai to Ko Samui (average of ₹ 18,760). Flying from Mumbai to Ko Samui in November is currently the most expensive (average of ₹ 62,413). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 12 December 2025.
Get a feel of what it's like to fly with Singapore Airlines and Thai Airways from Mumbai to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Boarding

8.3

Overall

8.1

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,412 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Boarding

8.3

Overall

8.1

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Thai Airways
7.8
Good
366 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Boarding

8.3

Overall

8.1

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from Mumbai to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Mumbai to Ko Samui?

    A quick flight from Mumbai to Ko Samui can take about 21h 40m. Singapore Airlines provides one of the quickest options available for as low as ₹ 70,350. Airlines will cover a distance of 3109 km.

  • What are the cheapest airlines flying from Mumbai to Ko Samui round-trip?

    According to our current data, Singapore Airlines (₹ 26,749), and Thai Airways (₹ 45,500) offers the cheapest pricing from Mumbai to Ko Samui. These flights start at 36% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Mumbai to Ko Samui?

    Currently, January is the cheapest month in which you can book a flight from Mumbai to Ko Samui (average of ₹ 18,760). Flying from Mumbai to Ko Samui in November is currently the most expensive (average of ₹ 62,413). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Mumbai to Ko Samui

Discover the top 2 airlines that operate flights from Mumbai to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 26,749Average₹ 32,207FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest₹ 45,500Average₹ 76,332FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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?

Not ready to book yet? You can track prices for flights from Mumbai to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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