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Cheap flights from Istanbul to Koh Samui

One-way from €311, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Tue, Oct 27Any priceWed, Oct 28Any priceThu, Oct 29€360Fri, Oct 30€311Sat, Oct 31€362Sun, Nov 1Any priceMon, Nov 2Any priceTue, Nov 3€311

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
€311
AirAsia X, flight D7 605Found 3 days ago, 1 adult
Check price on Aviasales
17:20IstanbulFri, Oct 30
Travel time 14h 20m, 2 stopsSAWUSM
11:40Koh SamuiSat, Oct 31
€311
Pegasus Airlines, flight PC 830Found 7 days ago, 1 adult
Check price on Aviasales
21:30IstanbulTue, Nov 3
Travel time 13h 5m, 3 stopsSAWUSM
14:35Koh SamuiWed, Nov 4
€324
Pegasus Airlines, flight PC 830Found 7 days ago, 1 adult
Check price on Aviasales
21:30IstanbulTue, Oct 13
Travel time 13h 35m, 3 stopsSAWUSM
15:05Koh SamuiWed, Oct 14
€342
AirAsia X, flight D7 605Found 4 days ago, 1 adult
Check price on Aviasales
17:20IstanbulSun, Nov 29
Travel time 13h 55m, 2 stopsSAWUSM
11:15Koh SamuiMon, Nov 30
€347
AirAsia X, flight D7 605Found 3 days ago, 1 adult
Check price on Aviasales
17:20IstanbulSun, Oct 25
Travel time 14h 20m, 2 stopsSAWUSM
11:40Koh SamuiMon, Oct 26

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 Koh Samui, booked ahead at a fixed price.
    See options
  • Things to do in Koh SamuiPopular tours from $30.24 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Thailand from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €600 per person under Turkey’s rules.
    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

MoTuWeThFrSaSu1234€4445–6–7€4198–9€40810–11–12–13€32414–15–16–17–18–19–20–21–22–23–24–25€34726–27–28–29€36030€31131€362

November 2026

MoTuWeThFrSaSu1–2–3€3114€3515–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21€41022–23–24–25–26€36427–28€38929€34230–

December 2026

MoTuWeThFrSaSu1€3752–345678910111213141516171819202122232425262728293031
€362 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 30, €311.

Lowest fares by month

In the fares found this week, October has the lowest: from €311 one-way, against €480 in September 2027. Pick a month to see its cheapest date.

€0€200€400€600€311OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October€311Fri, Oct 302 stops
November€311Tue, Nov 33 stops
December€375Tue, Dec 12 stops
January 2027€364Mon, Jan 112 stops
February 2027€367Wed, Feb 102 stops
March 2027€385Sun, Mar 212 stops
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027€480Fri, Sep 241 stop

Questions travellers ask

What is the cheapest month to fly from Istanbul to Koh Samui?

In the fares found this week, October has the lowest: from €311 one-way, against €480 in September 2027.

Are there direct flights from Istanbul to Koh Samui?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of €350. Monday is the priciest at about €446.

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