$221 Cheap Flights from Mumbai (BOM) to Samui Intl. Airport (USM)

View $221 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Chhatrapati Shivaji International Airport (BOM) to Samui Intl. Airport (USM)

Cheap Flights from Mumbai to Samui Intl. Airport (BOM-USM)

Prices were available within the past 7 days and start at $221 for one-way flights and $441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Mon, Dec 8 - Wed, Dec 17
BOM
Mumbai
USM
Koh Samui
$441 Roundtrip, found 5 days ago
$441
Roundtrip
found 5 days ago
Select Air India flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Wed, Dec 17, priced at $441 found 5 days ago
Air India
Mon, Dec 8 - Wed, Dec 17
BOM
Mumbai
USM
Koh Samui
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select Air India flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Wed, Dec 17, priced at $457 found 5 days ago
Air India
Wed, Nov 19 - Wed, Nov 26
BOM
Mumbai
USM
Koh Samui
$474 Roundtrip, found 4 days ago
$474
Roundtrip
found 4 days ago
Select Air India flight, departing Wed, Nov 19 from Mumbai to Koh Samui, returning Wed, Nov 26, priced at $474 found 4 days ago
Thai Vietjet
Mon, Dec 8 - Thu, Dec 11
BOM
Mumbai
USM
Koh Samui
$477 Roundtrip, found 5 days ago
$477
Roundtrip
found 5 days ago
Select Thai Vietjet flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Thu, Dec 11, priced at $477 found 5 days ago
Air India
Mon, Dec 8 - Wed, Dec 17
BOM
Mumbai
USM
Koh Samui
$478 Roundtrip, found 5 days ago
$478
Roundtrip
found 5 days ago
Select Air India flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Wed, Dec 17, priced at $478 found 5 days ago
Air India
Mon, Dec 8 - Wed, Dec 17
BOM
Mumbai
USM
Koh Samui
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select Air India flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Wed, Dec 17, priced at $483 found 5 days ago
Air India
Mon, Dec 8 - Wed, Dec 17
BOM
Mumbai
USM
Koh Samui
$494 Roundtrip, found 5 days ago
$494
Roundtrip
found 5 days ago
Select Air India flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Wed, Dec 17, priced at $494 found 5 days ago
SriLankan Airlines
Mon, Dec 8 - Thu, Dec 11
BOM
Mumbai
USM
Koh Samui
$667 Roundtrip, found 9 hours ago
$667
Roundtrip
found 9 hours ago
Select SriLankan Airlines flight, departing Mon, Dec 8 from Mumbai to Koh Samui, returning Thu, Dec 11, priced at $667 found 9 hours ago
Singapore Airlines
Sun, Dec 7 - Mon, Dec 15
BOM
Mumbai
USM
Koh Samui
$682 Roundtrip, found 2 days ago
$682
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Sun, Dec 7 from Mumbai to Koh Samui, returning Mon, Dec 15, priced at $682 found 2 days ago
Vietnam Airlines
Sun, Jan 18 - Sat, Jan 31
BOM
Mumbai
USM
Koh Samui
$761 Roundtrip, found 21 hours ago
$761
Roundtrip
found 21 hours ago
Select Vietnam Airlines flight, departing Sun, Jan 18 from Mumbai to Koh Samui, returning Sat, Jan 31, priced at $761 found 21 hours ago

Frequently asked questions

How much does a flight from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $221 or cheap return flight from $441 from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM)?
December is the least expensive month to fly from BOM to USM. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from BOM to USM. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM)?
There aren't any daily nonstop flights departing from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BOM to USM?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM)?
To arrive at Ko Samui Airport (USM) on time, book a flight that leaves Chhatrapati Shivaji Intl. Airport (BOM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM) last-minute?
Waiting until right before your break to book a ticket from BOM to USM generally means paying more. Although you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a BOM to USM flight and hotel package?
You can save money by booking a BOM to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Chhatrapati Shivaji Intl. Airport (BOM) to Ko Samui Airport (USM)?
In most cases, you're able to cancel or reschedule your BOM to USM flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Chhatrapati Shivaji Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Cathay Pacific, Etihad Airways, Singapore Airlines, Thai Airways International, Vietnam Airlines
Roundtrip price
$441
Distance
1932 mi

Book with confidence

Mumbai to Samui Intl. Airport Flights

The cheapest times to fly from Mumbai to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Mumbai to Samui Intl. Airport are during the month of December. You can find some of the cheapest flights from Mumbai to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mumbai to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Mumbai to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Mumbai to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Mumbai to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $221 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Mumbai to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Mumbai to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Mumbai to Samui Intl. Airport Flights
*Available to One Key members.