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Cheap flights from Delhi to Koh Samui

Delhi
DEL
Koh Samui
USM

Flight deals from Delhi to Koh Samui

Below you can see the best deals on flights Delhi — Koh Samui for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 2 September, from $242.

Top 10 cheap flights from Delhi to Koh Samui

About the Delhi — Koh Samui flight

On this page, you can find and book flights from Delhi to Koh Samui. The flight connects the Indian capital with one of Thailand's most popular islands, with a total distance of 3,186 km between the cities.

Flights on this route are operated by several airlines with convenient layovers. Ticket prices are dynamic, so we recommend using the low-fare calendar on this page to find the best deals. You can also check in advance how to get to Delhi Airport and how to travel from Koh Samui Airport after arrival.

Flight ticket prices by day: Delhi — Koh Samui

Below is a calendar of the lowest flight ticket prices for Delhi — Koh Samui by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $233 in F, and the most expensive are around $350 in a. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Delhi → Koh Samui, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$473highMay$370mediumSep$332low
Feb$460highJun$434highOct$319low
Mar$409mediumJul$447highNov$370medium
Apr$383mediumAug$434highDec$485high

Some values are estimated based on seasonality.

When to fly

The climate in Koh Samui is characterized by high temperatures year-round, peaking in May (29.8°C). The rainiest period is November, with up to 337.43 mm of precipitation, while the driest weather is recorded in March.

The most budget-friendly tickets are available in September — with prices starting $233. Price peaks occur in December and February, when the minimum fare increases to $351 and $350, respectively.

The optimal time for a trip is considered to be August, when the flight price starts $263 and weather conditions remain stable. It is recommended to avoid booking for October and November due to the high risk of prolonged downpours.

Temperature · Koh Samui

Dry and wet days · Koh Samui

Wind speed and direction · Koh Samui

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How to get the best deal on a Delhi — Koh Samui ticket

  • Monitor the low-fare calendar: flight costs from Delhi can vary significantly even within a single week, so check nearby dates.
  • Consider baggage allowances when choosing connecting flights, as rules for international segments and Thailand's domestic lines may differ.
  • Plan to purchase your ticket 8–12 weeks before departure, especially if your trip falls during the high season or holidays.
  • Choose flights with one layover in Bangkok — this is the most common and fastest way to reach the island, considering the total distance of 3,186 km.
  • Use the price dynamics chart on the page to determine the most cost-effective month for travel and avoid overpaying on peak dates.

Airlines

Flights from Delhi to Koh Samui are operated by various international airlines specializing in Southeast Asian routes. Most itineraries involve one or more layovers, typically in the region's major hubs. You can view the current schedule and choose a suitable connection in the list below.

There are no direct flights on the Delhi — Koh Samui route. Showing airlines offering connecting flights.
  • Thai AirwaysTG
    WebsiteFleet: 7715M pax/year
    • DEL → BKK → USM (with stopover)
    Open →
  • Bangkok AirwaysPG
    WebsiteFleet: 254.3M pax/year
    • DEL → BKK → USM (with stopover)
    Open →
  • Air IndiaAI
    WebsiteFleet: 14230M pax/year
    • DEL → BKK → USM (with stopover)
    Open →

Cities and airports on the Delhi — Koh Samui route

Flights Delhi — Koh Samui depart from Indira Gandhi International Airport and arrive at Koh Samui Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Delhi

DEL
India
About the cityHow to get thereWeatherAll about the country India
Arrival

Koh Samui

USM
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the Delhi — Koh Samui flight

How long is the flight from Delhi to Koh Samui?

The total distance between the cities is 3,186 km; flight time without layovers is about 4 hours, but due to the lack of direct flights, the total travel time usually starts from 7–9 hours.

Are there direct flights?

Currently, there are no direct flights between Delhi and the island; all flight options include one or more connections, most often in Bangkok.

Which airlines fly this route?

Flights are operated by major international carriers; the current list of companies and available schedules can be found in the corresponding section on this page.

How much is the cheapest ticket?

Airfare is constantly changing based on demand and season; you can always find the current minimum price in the low-fare calendar above.

Which airport does the flight arrive at?

Flights from Delhi arrive at Koh Samui International Airport (USM), which is conveniently located near the island's main resort areas.

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BangkokPhuketSingaporeHong KongKrabiPattayaChiang Mai

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