App
Customer Support
MYR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Siem Reap to Kos Starting at MYR 3,471

Discover our range of affordable one-way and round-trip flights from Siem Reap to Kos and kick-start your next adventure today!

  • One way
  • Round-trip
      • SAI09:40
        39h 30m
        2 stops
        KGS21:10
        Wed, Apr 2|Siem Reap - Kos|Bangkok Airways
        MYR 3,471MYR 13,644
        75% OFF
        75% OFF
        MYR 13,644MYR 3,471

        Choose Bangkok Airways flights from Siem Reap to Kos. The one-way connecting flight with Bangkok Airways departs from Siem Reap Angkor International Airport on Wed, Apr 2, arriving at Kos Airport. One-way Prices start from MYR 3,471 including taxes and charges.

      • SAI09:50
        43h
        2 stops
        KGS23:50
        Sat, Mar 29|Siem Reap - Kos|Thai Airways
        MYR 3,600MYR 13,644
        74% OFF
        74% OFF
        MYR 13,644MYR 3,600

        Choose Thai Airways flights from Siem Reap to Kos. The one-way connecting flight with Thai Airways departs from Siem Reap Angkor International Airport on Sat, Mar 29, arriving at Kos Airport. One-way Prices start from MYR 3,600 including taxes and charges.

      • SAI19:25
        32h 25m
        2 stops
        KGS23:50
        Sat, Apr 12|Siem Reap - Kos|Bangkok Airways
        MYR 4,018MYR 13,644
        71% OFF
        71% OFF
        MYR 13,644MYR 4,018

        Choose Bangkok Airways flights from Siem Reap to Kos. The one-way connecting flight with Bangkok Airways departs from Siem Reap Angkor International Airport on Sat, Apr 12, arriving at Kos Airport. One-way Prices start from MYR 4,018 including taxes and charges.

      • SAI19:25
        32h 25m
        2 stops
        KGS23:50
        Sat, Mar 29|Siem Reap - Kos|Bangkok Airways
        MYR 4,814
        MYR 4,814

        Choose Bangkok Airways flights from Siem Reap to Kos. The one-way connecting flight with Bangkok Airways departs from Siem Reap Angkor International Airport on Sat, Mar 29, arriving at Kos Airport. One-way Prices start from MYR 4,814 including taxes and charges.

      • SAI19:25
        32h 25m
        2 stops
        KGS23:50
        Sat, Mar 29|Siem Reap - Kos|British Airways
        MYR 11,325
        MYR 11,325

        Choose British Airways flights from Siem Reap to Kos. The one-way connecting flight with British Airways departs from Siem Reap Angkor International Airport on Sat, Mar 29, arriving at Kos Airport. One-way Prices start from MYR 11,325 including taxes and charges.

      • REP01:00 pm
        3h 5m
        Nonstop
        KGS02:00 pm
        Thu, Feb 20|Siem Reap - Kos|Bangkok Airways
        Find More Flights
        Find More Flights

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

Siem Reap to Kos flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. PG924

    Bangkok Airways

    09:40

    SAI

    1.3h

    11:00

    BKK

    SMTWTFS
    Search

  2. TG916

    Thai Airways

    12:50

    BKK

    12.3h

    19:10

    LHR

    SMTWTFS

  3. U28235

    easyJet

    08:05

    LGW

    4.1h

    14:10

    KGS

    --T----

  4. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  5. TG916

    Thai Airways

    12:50

    BKK

    12.3h

    19:10

    LHR

    SMTWTFS

  6. U28237

    easyJet

    17:50

    LGW

    4.0h

    23:50

    KGS

    ------S

  7. BA2191

    British Airways

    19:25

    SAI

    1.2h

    20:35

    BKK

    SMTWTFS
    Search

  8. BA2230

    British Airways

    22:55

    BKK

    13.6h

    05:30

    LGW

    SM--TFS

  9. U28237

    easyJet

    17:50

    LGW

    4.0h

    23:50

    KGS

    ------S

  10. PG908

    Bangkok Airways

    19:25

    SAI

    1.5h

    20:55

    BKK

    SMTWTFS
    Search

  11. TG910

    Thai Airways

    00:30

    BKK

    12.8h

    07:15

    LHR

    SMTWTFS

  12. U28237

    easyJet

    17:50

    LGW

    4.0h

    23:50

    KGS

    ------S
Find more flights and airlines

When is the cheapest time to fly from Siem Reap to Kos?

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 Kos from Siem Reap 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.

Frequently Asked Questions

  • When are flight tickets from Siem Reap (REP) to Kos (KGS) the cheapest?

    Airlines adjust prices for flights from Siem Reap to Kos based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Siem Reap (REP) to Kos (KGS) cost?

    According to Trip.com's data, the lowest price is around MYR 8,063.

  • What is the transportation method from the main airport to downtown in Kos?

    • The distance from Kos Airport to downtown is about 1 km, by taxi about 20 minutes.

  • How many airports are there in Kos (KGS)?

    There are 1 airport(s) near Kos (KGS): Kos Airport.

How to find a cheap flight from Siem Reap to Kos

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
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

Flight Info | Siem Reap to Kos

Off-season for travelApril
Peak season for travelMarch
Flight distance7,946.91 km

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.