How long is the flight from Hanoi to Ko Samui?

Airlines like Philippine Airlines fly from Hanoi to Ko Samui in about 17h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from Hanoi to Ko Samui is about 892 mi.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest time of day to fly from HAN to USM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Ko Samui as you normally would.

Can I find deals for flights from Hanoi to Ko Samui that include hotel bookings?

Yes. In addition to deals on Hanoi to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hanoi to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to Ko Samui.

Can I find deals for business class flights from Hanoi to Ko Samui?

Yes. Cheapflights offers flight deals from Hanoi to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£114+ Cheap Flights from Hanoi to Ko Samui

Cheap flight deals from Hanoi to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hanoi to Ko Samui
Explore the most affordable flight options available from Hanoi to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Sun 1/1120:50 -

1 stop13h 35m

Sun 8/1106:45 -

1 stop13h 30m

Deal found 17/9£233

Sat 17/1010:55 -

1 stop5h 55m

Sat 24/1006:00 -

1 stop10h 05m

Deal found 17/9£261

Mon 21/919:05 -

1 stop13h 30m

Mon 28/918:55 -

1 stop5h 20m

Deal found 13/9£386

Fri 30/1018:20 -

1 stop16h 35m

Sun 1/1118:05 -

1 stop23h 25m

Deal found 13/9£411

Thu 29/1002:35 -

2 stops17h 50m

Sun 1/1117:05 -

2 stops32h 20m

Deal found 15/9£791

Tue 29/1214:25 -

2 stops17h 20m

Tue 5/107:55 -

2 stops17h 30m

Deal found 17/9£1,610

Mon 28/1202:35 -

2 stops17h 15m

Wed 6/119:40 -

2 stops17h 35m

Deal found 17/9£1,621

Find flight deals from Hanoi to Ko Samui

Round-trip from	£233
One-way from	£114

1/11-8/11
2 total stops
27h 05m total
Hanoi to Ko Samui

Search Deals

13/10-31/12
1 total stop
5h 40m total
Hanoi to Ko Samui

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Fri 16/10

10:55-07:10

1 stop20h 15m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£122

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Tue 13/10

22:55-20:25

2 stops21h 30m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£143

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Mon 5/10

23:25-20:25

2 stops21h 00m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£147

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Sun 11/10

12:20-20:25

2 stops8h 05m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£168

Fastest return journey

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Sun 27/9

12:45-17:45

1 stop5h 00m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£203

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Tue 15/12

18:20-08:00

1 stop13h 40m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£209

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Sun 1/11

09:40-17:10

1 stop7h 30m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£243

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Tue 15/12

09:00-10:35

2 stops25h 35m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£347

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Fri 30/10

18:20-10:55

1 stop16h 35m

Ko Samui

Sun 1/11

18:05-17:30

1 stop23h 25m

£434

HanoiKo Samui

HAN Hanoi Noibai - USM Ko Samui

HANUSM

Hanoi Noibai

Thu 29/10

02:35-20:25

2 stops17h 50m

Ko Samui

Sun 1/11

17:05-01:25

2 stops32h 20m

£791

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Hanoi to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Hanoi with our price prediction graph.

HAN-USM

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Hanoi to Ko Samui?
Airlines like Philippine Airlines fly from Hanoi to Ko Samui in about 17h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from Hanoi to Ko Samui is about 892 mi.
Can I find deals for flights from Hanoi to Ko Samui that include hotel bookings?
Yes. In addition to deals on Hanoi to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hanoi to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to Ko Samui.
Can I find deals for business class flights from Hanoi to Ko Samui?
Yes. Cheapflights offers flight deals from Hanoi to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hanoi to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hanoi to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Hanoi.

Can Cheapflights find flights from Hanoi to Ko Samui with no change fees?

Certainly. Search results for flights to Ko Samui from Hanoi shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Hanoi to Ko Samui become cheaper?

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Cheap flights from Hanoi to Ko Samui from £114

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hanoi to Ko Samui

Cheapest flights from Hanoi to Ko SamuiExplore the most affordable flight options available from Hanoi to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Explore the most affordable flight options available from Hanoi to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from Hanoi to Ko SamuiDiscover carefully curated flight deals from Hanoi to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Hanoi to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Hanoi to Ko SamuiDiscover last-minute flight deals from Hanoi to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Hanoi to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Hanoi to Ko SamuiSearch for one-way flight options from Hanoi to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Hanoi to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

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Best time to book a flight from Hanoi to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Hanoi with our price prediction graph.

Related info for your journey

How long is the flight from Hanoi to Ko Samui?

Can I find deals for flights from Hanoi to Ko Samui that include hotel bookings?

How can I find direct flights from Hanoi to Ko Samui?

Can I find deals for business class flights from Hanoi to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hanoi to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Hanoi to Ko Samui by cabin class

Find flights from Hanoi to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.

Hanoi and Ko Samui flights

Browse other Hanoi and Ko Samui flight options. Last updated on 17 September 2026.

Other flights from Hanoi

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How does Cheapflights help users find flights from Hanoi to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets from Hanoi to Ko Samui?

Can Cheapflights find flights from Hanoi to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights from Hanoi to Ko Samui become cheaper?

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Cheapest flights from Hanoi to Ko Samui
Explore the most affordable flight options available from Hanoi to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from Hanoi to Ko Samui
Discover carefully curated flight deals from Hanoi to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Hanoi to Ko Samui
Discover last-minute flight deals from Hanoi to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Hanoi to Ko Samui
Search for one-way flight options from Hanoi to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.