BOM - USM

$231 Find Cheap Flights from Mumbai to Ko Samui - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$477
Typical prices: $452-$650
Multiple Airlines
Sun 11/25Mon 12/3
BOM - USM • 1 stop
Cheapest one-way
$231
Typical prices: $289-$376
Multiple Airlines
Sat 3/10
BOM - USM • 1 stop
Nonstop 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 layover airports
Phuket City (HKT)
Cheapest • Avg $477 (round-trip)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 9h 18m (one-way)
Insights
Insights
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We hope you love your trip to Ko Samui!
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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 round-trip flight deals from Mumbai to Ko Samui

Wed, Nov 25 - Thu, Dec 3
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$477Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$479Multiple Airlines
Fri, Nov 27 - Thu, Dec 3
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$484Multiple Airlines
Sat, Nov 28 - Thu, Dec 3
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$489Multiple Airlines
Wed, Nov 25 - Fri, Dec 4
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
9:20 am - 9:20 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 30m1 stop Phuket City
$494Multiple Airlines
Thu, Nov 26 - Fri, Dec 4
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
9:20 am - 9:20 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 30m1 stop Phuket City
$496Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
2:00 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 40m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
9:20 am - 9:20 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 30m1 stop Phuket City
$501Multiple Airlines
Tue, Dec 1 - Thu, Dec 3
Multiple Airlines Logo
10:30 am - 8:50 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
8h 50m1 stop Phuket City
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$502Multiple Airlines
Tue, Dec 1 - Fri, Dec 4
Multiple Airlines Logo
10:30 am - 8:50 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
8h 50m1 stop Phuket City
Multiple Airlines Logo
9:20 am - 9:20 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 30m1 stop Phuket City
$519Multiple Airlines
Sun, Nov 29 - Fri, Dec 4
Multiple Airlines Logo
10:20 am - 5:30 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
29h 40m1 stop Phuket City
Multiple Airlines Logo
9:20 am - 8:50 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 00m1 stop Phuket City
$530Multiple 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

$231
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 52% increase in travelers.
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 round-trip price

Your Mumbai to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    Only Economy Class is available on flights from Mumbai to Ko Samui.

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

    A nonstop flight from Mumbai to Ko Samui takes 00m, covering 1,932 miles.

  • 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?

    Round-trip flights from Mumbai to Ko Samui range from $452 to $650, with an average of $560 over the past 12 months. Anything below $452 counts as a good deal.

  • Have flight prices from Mumbai to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $477 to $2,910. That means the highest observed fare was about 6x higher than the lowest one.

  • 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 $277, which is 13% below the typical average for this route.

  • What car rental options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates averaging $29 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 $361 round-trip on average, while Wednesday is the most expensive at $650, a difference of $289.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time at 8h 15m, compared with 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 Lamai Beach, Chaweng Beach and Choeng Mon 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 $361, about $289 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 $361 round-trip in that month - typically $390 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
    • Melia Koh Samui
    • Amari Koh Samui

More options for your flight from Mumbai to Ko Samui

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

Car rentals in Ko Samui
Hotels in Ko Samui
Vacations in Ko Samui