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Cheap flights from Mumbai to Ko Samui from ₹ 20,968

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mumbai to Ko Samui departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Mumbai to Ko Samui

Cheap return flights

Logo
08:55 - 10:30BOM-USM
24h 05m2 stops
Logo
19:00 - 18:15USM-BOM
24h 45m3 stops
₹ 35,416
Find Deal
Tue, 7 Oct - Mon, 13 Oct
Logo
00:10 - 07:20BOM-USM
29h 40m1 stop
Logo
12:30 - 00:55USM-BOM
13h 55m1 stop
₹ 37,002
Find Deal
Mon, 6 Oct - Tue, 14 Oct
Logo
20:40 - 07:20BOM-USM
33h 10m2 stops
Logo
12:30 - 00:55USM-BOM
13h 55m1 stop
₹ 38,147
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
16:20 - 07:20BOM-USM
13h 30m1 stop
Logo
12:30 - 00:55USM-BOM
13h 55m1 stop
₹ 38,676
Find Deal
Tue, 7 Oct - Mon, 13 Oct
Logo
18:05 - 18:30BOM-USM
22h 55m2 stops
Logo
17:40 - 22:25USM-BOM
30h 15m2 stops
₹ 42,112
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
19:45 - 20:25BOM-USM
23h 10m3 stops
Logo
08:55 - 07:30USM-BOM
24h 05m2 stops
₹ 42,993
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Logo
19:45 - 16:55BOM-USM
19h 40m3 stops
Logo
08:15 - 07:30USM-BOM
24h 45m3 stops
₹ 43,081
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Thai Airways Logo
02:40 - 13:45BOM-USM
9h 35m1 stop
Thai Airways Logo
15:30 - 21:55USM-BOM
7h 55m1 stop
₹ 72,154Thai Airways
Find Deal
Fri, 17 Oct - Sat, 25 Oct
Thai Airways Logo
02:40 - 13:45BOM-USM
9h 35m1 stop
Thai Airways Logo
15:30 - 21:55USM-BOM
7h 55m1 stop
₹ 75,589Thai Airways
Find Deal
Fri, 17 Oct - Sat, 25 Oct
Emirates Logo
22:25 - 16:55BOM-USM
41h 00m2 stops
Emirates Logo
17:50 - 02:15USM-BOM
33h 55m2 stops
₹ 171,178Emirates
Find Deal
Sat, 18 Oct - Sat, 25 Oct

Thai Airways flights from Mumbai to Ko Samui

Our best Thai Airways deals on Mumbai to Ko Samui flight tickets
Thai Airways
17 Oct
BOM02:40Mumbai Chhatrapati Shivaji Intl
9h 35m
1 stop
USM13:45Ko Samui
25 Oct
USM15:30Ko Samui
7h 55m
1 stop
BOM21:55Mumbai Chhatrapati Shivaji Intl
₹ 72,154
Find similar
Thai Airways
17 Oct
BOM02:40Mumbai Chhatrapati Shivaji Intl
9h 35m
1 stop
USM13:45Ko Samui
25 Oct
USM15:30Ko Samui
7h 55m
1 stop
BOM21:55Mumbai Chhatrapati Shivaji Intl
₹ 75,589
Find similar

momondo 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, momondo users made 59,053 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Mumbai to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 7/10

08:55-10:30

2 stops24h 05m

Ko Samui

Mon 13/10

19:00-18:15

3 stops24h 45m

₹ 35,416

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Mon 6/10

00:10-07:20

1 stop29h 40m

Ko Samui

Tue 14/10

12:30-00:55

1 stop13h 55m

₹ 37,002

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 7/10

20:40-07:20

2 stops33h 10m

Ko Samui

Tue 14/10

12:30-00:55

1 stop13h 55m

₹ 38,147

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 7/10

16:20-07:20

1 stop13h 30m

Ko Samui

Mon 13/10

12:30-00:55

1 stop13h 55m

₹ 38,676

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Tue 7/10

18:05-18:30

2 stops22h 55m

Ko Samui

Tue 14/10

17:40-22:25

2 stops30h 15m

₹ 42,112

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Fri 24/10

19:45-20:25

3 stops23h 10m

Ko Samui

Fri 31/10

08:55-07:30

2 stops24h 05m

₹ 42,993

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Fri 24/10

19:45-16:55

3 stops19h 40m

Ko Samui

Fri 31/10

08:15-07:30

3 stops24h 45m

₹ 43,081

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Fri 17/10

02:40-13:45

1 stop9h 35m

Ko Samui

Sat 25/10

15:30-21:55

1 stop7h 55m

₹ 72,154

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Fri 17/10

02:40-13:45

1 stop9h 35m

Ko Samui

Sat 25/10

15:30-21:55

1 stop7h 55m

₹ 75,589

MumbaiKo Samui

BOM - USM

BOMUSM

Mumbai Chhatrapati Shivaji Intl

Sat 18/10

22:25-16:55

2 stops41h 00m

Ko Samui

Sat 25/10

17:50-02:15

2 stops33h 55m

₹ 171,178

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Ko Samui from

How to get the cheapest flight ticket from Mumbai to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ko Samui?

If you are unable to visit Ko Samui during the month of February, then departing from Mumbai during the month March is also very affordable. Most momondo users find prices during this month for around ₹ 31,716.

What is the cheapest day to depart on your flight to Ko Samui?

On average, the least expensive day to fly to Ko Samui from Mumbai is on a Monday. momondo users have found tickets for Monday departures for as low as ₹ 37,436. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Ko Samui is Friday, with ticket prices averaging around ₹ 61,307.

What is the cheapest time of day to depart on your flight to Ko Samui?

According to our data, the cheapest time of day to fly to Ko Samui is in the morning. momondo users have found flights departing from Mumbai to Ko Samui in the morning for as low as ₹ 28,237. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Ko Samui are more costly in the evening, with an average ticket price of ₹ 53,501. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Mumbai to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Mumbai to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Mumbai to Ko Samui (BOM to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Mumbai to Ko Samui

Direct flights

None
There are no direct flights from Mumbai to Ko Samui. There are no popular flight routes from Mumbai to Ko Samui.
Search flight deals

  • How far is Mumbai Chhatrapati Shivaji Intl to Ko Samui by plane?

    The straight-line distance from Mumbai Chhatrapati Shivaji Intl to Ko Samui is 3108.8 km. Flights usually cover this in 6h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Mumbai Chhatrapati Shivaji Intl Airport to Ko Samui Airport?

    Prices for flights from Mumbai Chhatrapati Shivaji Intl Airport to Ko Samui Airport refresh daily.

  • How many operators does momondo search for flights from Mumbai Chhatrapati Shivaji Intl Airport to Ko Samui Airport?

  • How old do you have to be to fly from Mumbai Chhatrapati Shivaji Intl Airport to Ko Samui Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Mumbai Chhatrapati Shivaji Intl Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Mumbai to Ko Samui?

Best airlines flying from Mumbai to Ko Samui

Compare and see reviews for airlines that fly from Mumbai to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom ₹ 25,349Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Thai AirwaysPriceFrom ₹ 46,310Free CancellationRating
7.8
350 reviews
Search Thai Airways flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Mumbai to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Mumbai.

Can I find flights from Mumbai to Ko Samui with flexible booking policies on momondo?

All flight searches from Mumbai to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Mumbai to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Mumbai. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Mumbai to Ko Samui right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ko Samui, momondo offers a useful price alert feature which will track prices for flights to Ko Samui from Mumbai and alert you when they change.

An easier way to manage your Ko Samui trip

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