BOM - USM

$182 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
$485
Typical prices: $453-$644
Multiple Airlines
Tue 10/9Wed 10/17
BOM - USM • 1 stop
Cheapest one-way
$182
Typical prices: $272-$379
Multiple Airlines
Sat 10/13
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 • 32% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Phuket City (HKT)
Cheapest • Avg $473 (round-trip)
Bangkok Don Mueang Intl (DMK)
Shortest trip • 8h 49m (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

Fri, Oct 9 - Sat, Oct 17
Multiple Airlines Logo
12:55 am - 4:50 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
14h 25m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
5:35 pm - 11:50 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Bangkok Suvarnabhumi
$485Multiple Airlines
Mon, Nov 30 - Tue, Dec 8
Multiple Airlines Logo
12:45 am - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
28h 55m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
6:15 pm - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
7h 45m1 stop Phuket City
$550Multiple Airlines
Wed, Dec 2 - Tue, Dec 8
Multiple Airlines Logo
12:45 am - 4:25 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
14h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
8:15 am - 12:30 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
17h 45m1 stop Phuket City
$593Multiple Airlines
Sun, Nov 8 - Fri, Nov 13
Multiple Airlines Logo
1:30 am - 6:25 pmBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
15h 25m1 stop Phuket City
Multiple Airlines Logo
5:05 pm - 11:50 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
8h 15m1 stop Bangkok Suvarnabhumi
$623Multiple Airlines
Thu, Dec 17 - Mon, Dec 21
Multiple Airlines Logo
12:40 am - 10:25 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
8h 15m1 stop Bangkok Don Mueang Intl
Multiple Airlines Logo
8:30 am - 11:50 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
16h 50m1 stop Bangkok Suvarnabhumi
$637Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
3:50 pm - 11:40 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
9h 20m1 stop Bangkok Suvarnabhumi
$639Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
3:50 pm - 11:40 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
9h 20m1 stop Bangkok Suvarnabhumi
$641Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
3:50 pm - 11:40 pmUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
9h 20m1 stop Bangkok Suvarnabhumi
$642Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
7:00 pm - 7:25 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
13h 55m2 stops Phuket City New Delhi Indira Gandhi Intl
$649Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 7:10 amBOM  Mumbai Chhatrapati Shivaji Intl-USM Ko Samui
16h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
7:00 pm - 11:15 amUSM  Ko Samui-BOM Mumbai Chhatrapati Shivaji Intl
17h 45m2 stops Phuket City New Delhi Indira Gandhi Intl
$650Multiple 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, it 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 $361 round-trip.
  • July ($751) and March ($710) 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

$182
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.
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 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).

  • 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.

  • 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 $463 round-trip on average, while Wednesday is the most expensive at $650, a difference of $187. 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 Lamai Beach, Chaweng Beach and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.

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

    A nonstop flight from Mumbai to Ko Samui takes 0h 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 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 $264, which is 17% below the typical average for this route.

  • 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 25m, compared with 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.

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

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 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?

    Round-trip flights from Mumbai to Ko Samui range from $453 to $644, with an average of $528 over the past 12 months. Anything below $453 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 can be flexible, aim for a Friday departure instead of Wednesday. On this route, Friday flights average $463 - about $187 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 $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
    - Amari Koh Samui
    - Cosi Samui Chaweng Beach

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