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Cheap flights from Koh Samui to Chiang Mai

One-way from $89, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Fri, Oct 30$130Sat, Oct 31$125Sun, Nov 1$147Mon, Nov 2$89Tue, Nov 3Any priceWed, Nov 4$111Thu, Nov 5$123Fri, Nov 6$111

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$89
Bangkok Airways, flight PG 450Found 2 days ago, 1 adult
Check live price
6:45amKoh SamuiMon, Nov 2
Travel time 2h 50m, 1 stopUSMCNX
9:35amChiang MaiMon, Nov 2
Cheapest nonstop
$94
Bangkok Airways, flight PG 241Found 2 days ago, 1 adult
Check live price
8:55amKoh SamuiSun, Jun 27
Travel time 1h 45m, nonstopUSMCNX
10:40amChiang MaiSun, Jun 27
$95
Bangkok Airways, flight PG 241Found 6 days ago, 1 adult
Check live price
8:50amKoh SamuiSat, Mar 6
Travel time 1h 50m, nonstopUSMCNX
10:40amChiang MaiSat, Mar 6
$95
Bangkok Airways, flight PG 241Found 2 days ago, 1 adult
Check live price
8:50amKoh SamuiFri, Mar 12
Travel time 1h 50m, nonstopUSMCNX
10:40amChiang MaiFri, Mar 12
$101
Bangkok Airways, flight PG 241Found 2 days ago, 1 adult
Check live price
8:50amKoh SamuiWed, Mar 10
Travel time 1h 50m, nonstopUSMCNX
10:40amChiang MaiWed, Mar 10

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ThailandTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Chiang Mai, booked ahead at a fixed price.
    See options
  • Things to do in Chiang MaiPopular tours from $27.33 per person.
    See ideas
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425262728–29$18830$13031$125

November 2026

MoTuWeThFrSaSu1$1472$893–4$1115$1236$1117$1278$1279$12610$13111$13112–13$12814–15$12916$12717$12918$13019$12920–21$20522–23–24–25–26–27–28$14529–30$143

December 2026

MoTuWeThFrSaSu1–2–3$1274–5–6$1607–8$1679–10–11–12$17013–14–15–16–17–18–19–20$14421$14822–23$14624–25–26–2728293031
$123 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 2, $89.

Lowest fares by month

In the fares found this week, November has the lowest: from $89 one-way, against $226 in January 2027. Pick a month to see its cheapest date.

  1. Oct$125
  2. Nov$89
  3. Dec$127
  4. Jan$226
  5. Feb$187
  6. Mar$95
  7. Aprno fares yet
  8. Mayno fares yet
  9. Jun$94
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200$300Oct$89NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$125Sat, Oct 311 stop
November$89Mon, Nov 21 stop
December$127Thu, Dec 3Nonstop
January 2027$226Mon, Jan 41 stop
February 2027$187Sun, Feb 21Nonstop
March 2027$95Sat, Mar 6Nonstop
April 2027—
May 2027—
June 2027$94Sun, Jun 27Nonstop
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Chiang Mai. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$125$89$127$226$187$95––$94–––
High °C32°31°29°30°33°35°37°35°33°32°32°32°
Low °C23°20°17°16°17°20°23°24°25°24°24°24°
Precipitation mm124411411102054168118149223207

Source: Chiang Mai on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Koh Samui to Chiang Mai?

In the fares found this week, November has the lowest: from $89 one-way, against $226 in January 2027.

What is the weather in Chiang Mai in November?

In November, the cheapest month to fly, the average daily high in Chiang Mai is 31 °C and the low 20 °C.

Are there direct flights from Koh Samui to Chiang Mai?

Yes. Recent fares include nonstop flights with Bangkok Airways.

How long is the flight from Koh Samui to Chiang Mai?

A nonstop flight takes about 1h 45m. The distance is 641 mi.

Which day of the week is cheapest to fly?

In the fares we have, Friday departures are the cheapest, with a typical lowest fare of $120. Sunday is the priciest at about $147.

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