BOM - USM

₹ 24,578 Find Cheap Flights from Mumbai to Ko Samui – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
₹ 48,113
Typical prices: ₹ 42,919-₹ 61,691
Multiple Airlines
Thu 11/1Fri 19/1
BOM - USM • 1 stop
Cheapest one-way flight
₹ 20,687
Typical prices: ₹ 27,388-₹ 35,681
Multiple Airlines
Sat 10/2
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 • 35% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Phuket City (HKT)
Cheapest • Avg ₹ 45,265 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 9h 18m (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

Mon, 11 Jan - Tue, 19 Jan
Multiple Airlines Logo
00:45 - 12:20BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 48,113Multiple Airlines
Fri, 30 Oct - Thu, 5 Nov
Multiple Airlines Logo
23:30 - 08:10BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
7h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 50,200Multiple Airlines
Mon, 11 Jan - Sat, 16 Jan
Multiple Airlines Logo
00:45 - 12:20BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 50,295Multiple Airlines
Mon, 11 Jan - Sun, 17 Jan
Multiple Airlines Logo
00:45 - 12:20BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 50,390Multiple Airlines
Sun, 10 Jan - Tue, 19 Jan
Multiple Airlines Logo
00:45 - 07:45BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
29h 30m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 50,675Multiple Airlines
Thu, 10 Dec - Sun, 20 Dec
Multiple Airlines Logo
13:15 - 08:25BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
17h 40m1 stop Phuket City
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 51,434Multiple Airlines
Mon, 11 Jan - Fri, 15 Jan
Multiple Airlines Logo
00:45 - 12:20BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
11:10 - 19:50USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
10h 10m1 stop Phuket City
₹ 52,003Multiple Airlines
Mon, 11 Jan - Mon, 18 Jan
Multiple Airlines Logo
00:45 - 12:20BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
10h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
11:10 - 19:50USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
10h 10m1 stop Phuket City
₹ 52,193Multiple Airlines
Fri, 30 Oct - Tue, 3 Nov
Multiple Airlines Logo
23:30 - 08:10BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
7h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
18:15 - 00:30USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
₹ 52,478Multiple Airlines
Fri, 27 Nov - Tue, 1 Dec
Multiple Airlines Logo
13:40 - 08:10BOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
17h 00m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
20:20 - 00:15USM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
29h 25m1 stop Bangkok Suvarnabhumi
₹ 53,332Multiple 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 with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Mumbai to Ko Samui. It’s 36% cheaper than the average day, while Wednesday is the most expensive, with prices 16% higher.

Find deals

Key details for Mumbai to Ko Samui flights

Low season

March

Cheapest flight

₹ 20,687
Beat the crowds with an average 71% drop in traveller numbers.
The most popular month to fly with an average 52% increase in traveller numbers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Mumbai to Ko Samui?

    Two cabin classes are available on flights from Mumbai to Ko Samui:

    • Economy class
    • Business Class

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

    A direct flight from Mumbai to Ko Samui takes 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 much should I expect to pay for a Mumbai to Ko Samui flight?

    Return flights from Mumbai to Ko Samui range from ₹ 42,919 to ₹ 61,691, with an average of ₹ 53,097 over the past 12 months. Anything below ₹ 42,919 counts as a good deal.

  • 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 ₹ 25,499, which is 16% below the typical average for this route.

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

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ₹ 1,210 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • 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) – 49% of one-stop connections
    • Phuket City (HKT) – 43% of one-stop connections
    • Singapore Changi (SIN) – 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 45% on flights from Mumbai to Ko Samui. Friday is the cheapest departure day at ₹ 34,258 return on average, while Wednesday is the most expensive at ₹ 61,683, a difference of ₹ 27,425.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • 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 15m, compared to 9h 18m via Bangkok Suvarnabhumi (BKK) and 11h 10m via Singapore Changi (SIN).

  • 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.

  • What popular places can I visit in Ko Samui?

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

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 and avoid flying on Wednesday. On this route, Friday flights average ₹ 34,258, about ₹ 27,425 less than Wednesday fares (44% 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 ₹ 34,258 return in that month – typically ₹ 37,010 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
    • Amari Koh Samui
    • 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