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Flights from Hanoi to Koh Samui

Cheapest airlines flights from Hanoi to Koh Samui

Fly from Hanoi to Koh Samui with 4 carriers, including Bangkok Airways, Thai Airways, and Thai AirAsia. VietJet Air offers the cheapest flights from Hanoi to Koh Samui.
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Find cheap flights from Hanoi to Koh Samui

Find cheap Hanoi to Koh Samui flights. One way flights from US$125, round trip flights from US$272 (next 3 months).

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Hanoi to Koh Samui Flight Information

The distance between Hanoi and Koh Samui is approximately 1,435.9 km. The most popular month to fly to Koh Samui is March. The off-season for travel is June.

Cheapest one-way flight price US$125
Cheapest round-trip ticket price US$272
Off-season for travel June
Peak season for travel March
Flight distance 1,435.9 km
Popular airline Bangkok Airways

When is the cheapest time to book flights from Hanoi to Koh Samui?

Best time for cheap flights from Hanoi to Koh Samui are between Sep 14 and Sep 21 with one way fares from US$124

Cheapest flights
From price
Search
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Hanoi (HAN) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from Hanoi to Koh Samui based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Hanoi (HAN) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around $393.

How to find a cheap flight from Hanoi to Koh Samui

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Hanoi to Koh Samui. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Hanoi to Koh Samui ticket.
Tap "Date" on flight search bar to scan through the calender for Hanoi to Koh Samui airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Sep 15 at US$125 for one-way flights.
2
Compare cheap Hanoi to Koh Samui flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Hanoi to Koh Samui. The cheapest airline operating is VietJet Air.
3
Set up a Price Alert
By setting up a Price Alert for your Hanoi to Koh Samui route, you can easily track the price of your airline tickets from Hanoi to Koh Samui without manually checking every day.
4
Don't miss cheap Hanoi to Koh Samui flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Hanoi to Koh Samui to get exclusive deals for you.

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