BOM - USM

฿6,014 Find Cheap Flights from Mumbai to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿15,465
Typical prices: ฿14,968-฿21,280
Multiple Airlines
Tue 23/10Wed 31/10
BOM - USM • 2 stops
Cheapest one-way flight
฿6,014
Typical prices: ฿9,002-฿12,523
Multiple Airlines
Sat 13/10
BOM - USM • 1 stop
Direct flights
Not available
There are currently no direct flights between Mumbai and Ko Samui. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 32% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Phuket City (HKT)
Cheapest • Avg ฿15,622 (return)
Bangkok Don Mueang Intl (DMK)
Shortest trip • 8h 49m (one-way)
Insights
Insights
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Mumbai to Ko Samui (BOM-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Mumbai to Ko Samui

Fri 23 Oct - Sat 31 Oct
Multiple Airlines Logo
00:55 - 18:00BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 35m2 stops Bangkok Suvarnabhumi Phuket City
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
฿15,465Multiple Airlines
Tue 6 Oct - Wed 14 Oct
Multiple Airlines Logo
00:55 - 15:45BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
13h 20m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
15:30 - 23:50USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
9h 50m1 stop Bangkok Suvarnabhumi
฿15,994Multiple Airlines
Sat 24 Oct - Sat 31 Oct
Multiple Airlines Logo
06:25 - 18:00BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Phuket City
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
฿16,060Multiple Airlines
Sun 25 Oct - Thu 29 Oct
Multiple Airlines Logo
23:10 - 07:10BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
30h 30m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
฿16,986Multiple Airlines
Mon 5 Oct - Tue 13 Oct
Multiple Airlines Logo
00:55 - 16:30BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
14h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
17:00 - 23:50USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
8h 20m1 stop Bangkok Suvarnabhumi
฿17,151Multiple Airlines
Sat 24 Oct - Thu 29 Oct
Multiple Airlines Logo
00:45 - 15:10BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
12h 55m2 stops Bangkok Suvarnabhumi Phuket City
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
฿17,812Multiple Airlines
Tue 2 Mar - Sun 7 Mar
Multiple Airlines Logo
00:45 - 10:35BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
8h 20m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
16:30 - 23:50USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
8h 50m1 stop Bangkok Suvarnabhumi
฿18,109Multiple Airlines
Wed 7 Oct - Wed 14 Oct
Multiple Airlines Logo
07:20 - 21:35BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
12h 45m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
08:45 - 02:10USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
18h 55m2 stops Bangkok Suvarnabhumi Colombo Bandaranaike Intl
฿18,373Multiple Airlines
Sun 25 Oct - Fri 30 Oct
Multiple Airlines Logo
13:30 - 07:45BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 45m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 12:55USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
20h 10m2 stops Phuket City New Delhi Indira Gandhi Intl
฿18,572Multiple Airlines
Sun 25 Oct - Fri 30 Oct
Multiple Airlines Logo
13:30 - 07:45BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 45m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
09:40 - 17:55USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
9h 45m1 stop Bangkok Suvarnabhumi
฿19,001Multiple Airlines
Booking Insights

Price, demand, and travel trends for Mumbai to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Mumbai to Ko Samui with more confidence.

What's the cheapest day of the week to fly from Mumbai to Ko Samui?

Friday is the cheapest day of the week to fly from Mumbai to Ko Samui and is 13% cheaper than the average day. Wednesday is the most expensive day with flight prices 23% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Mumbai to Ko Samui?

  • September is the cheapest month to fly from Mumbai to Ko Samui at ฿11,930 return.
  • July (฿24,817) and March (฿23,462) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 108% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Mumbai to Ko Samui flights

Low season

March

Cheapest flight

฿6,014
Best time to beat the crowds but there is an average 35% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flights from Mumbai to Ko Samui

When to book flights from Mumbai to Ko Samui

Are your dates flexible? Find out the best times to travel from Mumbai to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Mumbai to Ko Samui flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Mumbai to Ko Samui?

    Flights from Mumbai to Ko Samui usually depart from Mumbai Chhatrapati Shivaji Intl (BOM) and arrive at Ko Samui (USM).

  • Which airports do connecting flights from Mumbai to Ko Samui pass through?

    One-stop flights from Mumbai to Ko Samui most commonly connect through:

    • Bangkok Suvarnabhumi (BKK) – 48% of one-stop connections
    • Phuket City (HKT) – 44% of one-stop connections
    • Singapore Changi (SIN) – 7% of one-stop connections
    • Bangkok Don Mueang Intl (DMK) – 1% of one-stop connections

    Bangkok Suvarnabhumi (BKK) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Mumbai to Ko Samui?

    Yes. Being flexible with your travel dates can save you up to 29% on the Mumbai to Ko Samui route. Friday is the cheapest departure day at ฿15,300 return on average, while Wednesday is the most expensive at ฿21,480, a difference of ฿6,180. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

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

    A direct flight from Mumbai to Ko Samui takes 0h 00m, covering 5,003 km.

  • Do I need a passport to fly from Mumbai to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Mumbai to Ko Samui looking right now?

    One-way fares from Mumbai to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿9,669, which is 8% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Mumbai to Ko Samui?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 8h 25m, compared to 8h 49m via Bangkok Don Mueang Intl (DMK) and 9h 07m via Bangkok Suvarnabhumi (BKK).

  • What is the time difference between Mumbai and Ko Samui?

    Ko Samui is 1 hour ahead of Mumbai (Indochina Time vs India Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

  • How much should I expect to pay for a Mumbai to Ko Samui flight?

    Return flights from Mumbai to Ko Samui range from ฿14,968 to ฿21,280, with an average of ฿17,435 over the past 12 months. Anything below ฿14,968 counts as a good deal.

Your guide to booking Mumbai to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure instead of Wednesday. On this route, Friday flights average ฿15,300 – about ฿6,180 less than Wednesday (29% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Mumbai to Ko Samui trip for September. Fares historically average ฿11,930 return in that month – typically ฿12,888 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
    - Ozo Chaweng Samui - Sha Extra Plus
    - Cosi Samui Chaweng Beach
    - Melia Koh Samui

More options for your flight from Mumbai to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui