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Flights from Hanoi to Koh Samui

Airlines Flying from Hanoi to Koh Samui

Choose from 4 carriers that fly from Hanoi to Koh Samui, including Thai AirAsia, VietJet Air, and Thai Airways. Enjoy the cheapest tickets on this route with VietJet Air.
Thai AirAsia logo Thai AirAsia VietJet Air logo VietJet Air Thai Airways logo Thai Airways Bangkok Airways logo Bangkok Airways

Flight deals from Hanoi to Koh Samui

Find the cheapest flights from Hanoi to Koh Samui within the next three months. Book one-way flights from TWD 3,671 or return tickets from TWD 7,972.

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

Flight Information from Hanoi to Koh Samui

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

Cheapest one-way flight price TWD 3,671
Cheapest return ticket price TWD 7,972
Off-season travel month June
Peak season for travel March
Flight distance 1,435.9km
Popular airline Thai AirAsia

Find the best time to fly from Hanoi to Koh Samui

The cheapest time for Hanoi to Koh Samui flights: Sep 14 to Sep 21 — one way flight prices from TWD 3,666.

Cheapest flights
From price
Search
  • 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
  • 5 12
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • 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 date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

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

    According to Trip.com's data, the lowest price is around TWD 11,556.

  • How many airports in Koh Samui (USM)?

    There are 1 airport(s) in Koh Samui (USM): Samui Airport.

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
Be flexible with your travel dates to get the cheapest flight from Hanoi to Koh Samui.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Hanoi to Koh Samui over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Mon, Sep 15, with one-way flights priced at just TWD 3671.
2
Compare cheap flight deals from Hanoi to Koh Samui across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Hanoi to Koh Samui. The cheapest airline for this route is VietJet Air.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Hanoi to Koh Samui, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Hanoi to Koh Samui.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Hanoi to Koh Samui and snag some exclusive deals just for you.

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