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Find cheap one-way flights from Koh Samui to Siem Reap starting at US$148.

Whether you’re going for a one-way or round-trip to Siem Reap, we’ve got you covered! Check out these different flight options from Koh Samui below.

  • One way
  • Round-trip

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

Koh Samui to Siem Reap Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. PG450

    06:55

    USM

    1.5h

    08:25

    DMK

    SMTWTFS
  2. FD618

    19:25

    DMK

    1.0h

    20:25

    SAI

    SMTWTFS
  3. PG450

    06:55

    USM

    1.5h

    08:25

    DMK

    SMTWTFS
  4. FD614

    13:30

    DMK

    1.0h

    14:30

    SAI

    SMTWTFS
  5. PG102

    07:00

    USM

    1.3h

    08:15

    BKK

    SMTWTFS
  6. PG907

    17:20

    BKK

    1.1h

    18:25

    SAI

    SMTWTFS
  7. PG102

    07:00

    USM

    1.3h

    08:15

    BKK

    SMTWTFS
  8. FD618

    19:25

    DMK

    1.0h

    20:25

    SAI

    SMTWTFS
  9. PG102

    07:00

    USM

    1.3h

    08:15

    BKK

    SMTWTFS
  10. FD614

    13:30

    DMK

    1.0h

    14:30

    SAI

    SMTWTFS
  11. PG102

    07:00

    USM

    1.3h

    08:15

    BKK

    SMTWTFS
  12. PG905

    10:55

    BKK

    1.3h

    12:15

    SAI

    SMTWTFS
  13. PG251

    08:15

    USM

    1.0h

    09:15

    HKT

    SMTWTFS
  14. FD612

    14:30

    HKT

    1.6h

    16:05

    SAI

    -M-W-F-
  15. PG452

    11:15

    USM

    1.5h

    12:45

    DMK

    SMTWTFS
  16. FD610

    10:10

    DMK

    1.0h

    11:10

    SAI

    SMTWTFS
  17. PG257

    18:15

    USM

    1.0h

    19:15

    HKT

    SMTWTFS
  18. FD612

    14:30

    HKT

    1.6h

    16:05

    SAI

    -M-W-F-
  19. PG403

    19:00

    USM

    1.0h

    20:00

    HKT

    SMTWTFS
  20. FD612

    14:30

    HKT

    1.6h

    16:05

    SAI

    -M-W-F-

When is the cheapest time to book flights from Koh Samui to Siem Reap?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Siem Reap from Koh Samui have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Koh Samui to Siem Reap

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Koh Samui to Siem Reap.

Frequently Asked Questions

  • When are flight tickets from Koh Samui (USM) to Siem Reap (REP) the cheapest?

    Airlines adjust prices for flights from Koh Samui to Siem Reap based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Koh Samui (USM) to Siem Reap (REP) cost?

    According to Trip.com's data, the lowest price is around $325.
  • What is the transportation method from the main airport to downtown in Siem Reap?

    • The distance from Siem Reap Angkor International Airport to downtown is about 39 km. It takes about 50 minutes by taxi.

How to find a cheap flight from Koh Samui to Siem Reap

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Koh Samui to Siem Reap Flight Information

Cheapest nonstop flight price$147
Off-season for travelDecember
Peak season for travelMay
Flight distance592.61 km
Popular airlineBangkok Airways