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Sihanoukville International Airport to Singapore Changi Airport flight

Explore the cheapest one-way and round-trip flights from Sihanoukville International Airport to Singapore Changi Airport over the next 90 days, with one-way fares from AU$ 256 and round-trip from AU$ 511. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      KOS 12:15
      7h 20m
      1 stop
      SIN 20:35
      Sihanoukville - Singapore | Thu, Nov 12 | AirAsia Cambodia
      AU$ 256 AU$ 403
      36% off
      36% off
      AU$ 403 AU$ 256
    • KOS 12:15
      7h 40m
      1 stop
      SIN 20:55
      Sihanoukville - Singapore | Sat, Dec 5 | AirAsia Cambodia
      AU$ 263 AU$ 403
      35% off
      35% off
      AU$ 403 AU$ 263
    • KOS 12:15
      7h 20m
      1 stop
      SIN 20:35
      Sihanoukville - Singapore | Sat, Nov 14 | AirAsia Cambodia
      AU$ 263 AU$ 403
      35% off
      35% off
      AU$ 403 AU$ 263
    • KOS 13:40
      21h 55m
      1 stop
      SIN 12:35
      Sihanoukville - Singapore | Mon, Nov 2 | AirAsia
      AU$ 266
      34% off
      AU$ 403 AU$ 266
    • KOS 12:15
      7h 5m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Thu, Nov 26 | AirAsia Cambodia
      AU$ 267
      34% off
      AU$ 403 AU$ 267
    • KOS 13:30
      17h 45m
      1 stop
      SIN 08:15
      Sihanoukville - Singapore | Wed, Nov 18 | AirAsia
      AU$ 268
      33% off
      AU$ 403 AU$ 268
    • KOS 13:30
      17h 50m
      1 stop
      SIN 08:20
      Sihanoukville - Singapore | Sun, Nov 29 | AirAsia
      AU$ 270
      33% off
      AU$ 403 AU$ 270
    • KOS 13:30
      25h 15m
      1 stop
      SIN 15:45
      Sihanoukville - Singapore | Sun, Nov 15 | AirAsia
      AU$ 270
      33% off
      AU$ 403 AU$ 270
    • KOS 12:15
      19h 5m
      1 stop
      SIN 08:20
      Sihanoukville - Singapore | Tue, Dec 22 | AirAsia Cambodia
      AU$ 272
      33% off
      AU$ 403 AU$ 272
    • KOS 13:00
      17h 25m
      1 stop
      SIN 14:00
      Sihanoukville - Singapore | Mon, Nov 2 | Normal Airline
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    • KOS 13:30
      8h 50m
      1 stop
      SIN 23:20
      Sihanoukville - Singapore | Wed, Nov 11 | AirAsia
      SIN 09:00
      5h
      1 stop
      KOS 13:00
      Singapore - Sihanoukville | Wed, Nov 18 | Scoot
      AU$ 511 AU$ 732
      30% off
      30% off
      AU$ 732 AU$ 511
    • KOS 13:30
      6h 5m
      1 stop
      SIN 20:35
      Sihanoukville - Singapore | Wed, Nov 4 | AirAsia
      SIN 09:00
      5h
      1 stop
      KOS 13:00
      Singapore - Sihanoukville | Sun, Nov 8 | Scoot
      AU$ 534 AU$ 732
      27% off
      27% off
      AU$ 732 AU$ 534
    • KOS 12:15
      6h 25m
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Sat, Dec 5 | AirAsia Cambodia
      SIN 16:25
      18h 15m
      1 stop
      KOS 09:40
      Singapore - Sihanoukville | Sat, Dec 12 | AirAsia
      AU$ 547 AU$ 732
      25% off
      25% off
      AU$ 732 AU$ 547
    • KOS 12:15
      18h
      1 stop
      SIN 07:15
      Sihanoukville - Singapore | Thu, Dec 10 | AirAsia Cambodia
      SIN 04:40
      9h 20m
      1 stop
      KOS 13:00
      Singapore - Sihanoukville | Mon, Dec 14 | Scoot
      AU$ 551
      25% off
      AU$ 732 AU$ 551
    • KOS 12:15
      7h 40m
      1 stop
      SIN 20:55
      Sihanoukville - Singapore | Thu, Dec 3 | AirAsia Cambodia
      SIN 23:25
      11h 15m
      1 stop
      KOS 09:40
      Singapore - Sihanoukville | Thu, Dec 10 | AirAsia
      AU$ 559
      24% off
      AU$ 732 AU$ 559
    • KOS 12:15
      5h 5m
      1 stop
      SIN 18:20
      Sihanoukville - Singapore | Sat, Nov 14 | AirAsia Cambodia
      SIN 07:00
      5h 45m
      1 stop
      KOS 11:45
      Singapore - Sihanoukville | Sat, Nov 21 | Scoot
      AU$ 577
      21% off
      AU$ 732 AU$ 577
    • KOS 13:30
      18h 50m
      1 stop
      SIN 09:20
      Sihanoukville - Singapore | Sun, Nov 1 | AirAsia
      SIN 07:55
      4h 50m
      1 stop
      KOS 11:45
      Singapore - Sihanoukville | Thu, Nov 5 | AirAsia
      AU$ 599
      18% off
      AU$ 732 AU$ 599
    • KOS 13:30
      6h 5m
      1 stop
      SIN 20:35
      Sihanoukville - Singapore | Mon, Nov 16 | AirAsia
      SIN 09:00
      5h
      1 stop
      KOS 13:00
      Singapore - Sihanoukville | Mon, Nov 23 | Scoot
      AU$ 608
      17% off
      AU$ 732 AU$ 608
    • KOS 13:30
      5h 10m
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Wed, Dec 2 | AirAsia
      SIN 07:55
      6h 5m
      1 stop
      KOS 13:00
      Singapore - Sihanoukville | Wed, Dec 9 | AirAsia
      AU$ 609
      17% off
      AU$ 732 AU$ 609
    • KOS 13:00
      17h 25m
      1 stop
      SIN 14:00
      Sihanoukville - Singapore | Mon, Nov 2 | Normal Airline
      SIN 15:00
      6h
      Direct
      KOS 16:00
      Singapore - Sihanoukville | Wed, Nov 4 | Normal Airline
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    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Wed, Dec 2 | AirAsia
      AU$ 262 AU$ 362
      28% off
      28% off
      AU$ 362 AU$ 262
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Wed, Nov 11 | AirAsia
      AU$ 268 AU$ 362
      26% off
      26% off
      AU$ 362 AU$ 268
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Fri, Nov 13 | AirAsia
      AU$ 272 AU$ 362
      25% off
      25% off
      AU$ 362 AU$ 272
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Fri, Nov 27 | AirAsia
      AU$ 274
      24% off
      AU$ 362 AU$ 274
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Wed, Nov 18 | AirAsia
      AU$ 275
      24% off
      AU$ 362 AU$ 275
    • KOS 12:15
      5h 25m
      1 stop
      SIN 18:40
      Sihanoukville - Singapore | Sat, Dec 12 | AirAsia Cambodia
      AU$ 290
      20% off
      AU$ 362 AU$ 290
    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Sat, Nov 28 | AirAsia Cambodia
      AU$ 293
      19% off
      AU$ 362 AU$ 293
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Fri, Nov 20 | AirAsia
      AU$ 293
      19% off
      AU$ 362 AU$ 293
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Sun, Jan 10 | AirAsia
      AU$ 294
      19% off
      AU$ 362 AU$ 294
    • KOS 13:00
      17h 25m
      1 stop
      SIN 14:00
      Sihanoukville - Singapore | Mon, Nov 2 | Normal Airline
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    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Fri, Nov 6 | AirAsia
      AU$ 296 AU$ 359
      18% off
      18% off
      AU$ 359 AU$ 296
    • KOS 13:30
      5h 50m
      1 stop
      SIN 20:20
      Sihanoukville - Singapore | Wed, Nov 4 | AirAsia
      AU$ 323 AU$ 359
      10% off
      10% off
      AU$ 359 AU$ 323
    • KOS 13:00
      17h 25m
      1 stop
      SIN 14:00
      Sihanoukville - Singapore | Mon, Nov 2 | Normal Airline
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    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Thu, Nov 12 | AirAsia Cambodia
      AU$ 322 AU$ 507
      36% off
      36% off
      AU$ 507 AU$ 322
    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Tue, Nov 10 | AirAsia Cambodia
      AU$ 332 AU$ 507
      35% off
      35% off
      AU$ 507 AU$ 332
    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Thu, Dec 10 | AirAsia Cambodia
      AU$ 350 AU$ 507
      31% off
      31% off
      AU$ 507 AU$ 350
    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Thu, Nov 19 | AirAsia Cambodia
      AU$ 381
      25% off
      AU$ 507 AU$ 381
    • KOS 12:15
      4h 45m
      1 stop
      SIN 18:00
      Sihanoukville - Singapore | Tue, Nov 3 | AirAsia Cambodia
      AU$ 388
      23% off
      AU$ 507 AU$ 388
    • KOS 13:40
      5h
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Mon, Nov 9 | AirAsia
      AU$ 456
      10% off
      AU$ 507 AU$ 456
    • KOS 13:35
      5h 5m
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Fri, Nov 13 | AirAsia
      AU$ 318
      37% off
      AU$ 507 AU$ 318
    • KOS 13:35
      5h 5m
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Fri, Nov 6 | AirAsia
      AU$ 319
      37% off
      AU$ 507 AU$ 319
    • KOS 13:35
      5h 5m
      1 stop
      SIN 19:40
      Sihanoukville - Singapore | Sun, Nov 8 | AirAsia
      AU$ 368
      27% off
      AU$ 507 AU$ 368
    • KOS 13:00
      17h 25m
      1 stop
      SIN 14:00
      Sihanoukville - Singapore | Mon, Nov 2 | Normal Airline
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Displayed flight fares from Sihanoukville to Singapore are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Sihanoukville International Airport to Singapore Changi Airport?

The cheapest airline flying from Sihanoukville International Airport to Singapore Changi Airport is AirAsia Cambodia (from AU$ 263) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

AirAsia Cambodia
From AU$ 263
Air Cambodia
From AU$ 306
AirAsia
From AU$ 365
Vietnam Airlines
From AU$ 484
Ruili Airlines
From AU$ 500
Cambodia Airways
From AU$ 584

Find more flights and airlines

What is the flight schedule from Sihanoukville International Airport to Singapore Changi Airport?

Check the schedule for flights from Sihanoukville to Singapore and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AK265

    Sihanoukville International Airport

    13:30

    KOS

    1h 55m

    Direct

    16:25

    KUL

    S - T - T - S
    Search

  2. TR469

    Kuala Lumpur International Airport

    19:15

    KUL

    1h 20m

    Direct

    20:35

    SIN

    S M T W T F S

  3. KT175

    Sihanoukville International Airport

    12:15

    KOS

    1h 50m

    Direct

    15:05

    KUL

    - M - W - F -
    Search

  4. AK719

    Kuala Lumpur International Airport

    18:20

    KUL

    1h 20m

    Direct

    19:40

    SIN

    S M T W T F S

  5. KT175

    Sihanoukville International Airport

    12:15

    KOS

    1h 50m

    Direct

    15:05

    KUL

    - M - W - F -
    Search

  6. OD805

    Kuala Lumpur International Airport

    19:40

    KUL

    1h

    Direct

    20:40

    SIN

    S M T W T F S

  7. KT175

    Sihanoukville International Airport

    12:15

    KOS

    1h 50m

    Direct

    15:05

    KUL

    - M - W - F -
    Search

  8. TR469

    Kuala Lumpur International Airport

    19:15

    KUL

    1h 20m

    Direct

    20:35

    SIN

    S M T W T F S

  9. AK265

    Sihanoukville International Airport

    13:30

    KOS

    1h 55m

    Direct

    16:25

    KUL

    S - T - T - S
    Search

  10. AK721

    Kuala Lumpur International Airport

    19:35

    KUL

    1h 20m

    Direct

    20:55

    SIN

    S M T W T F S

  11. KT175

    Sihanoukville International Airport

    12:15

    KOS

    1h 50m

    Direct

    15:05

    KUL

    - M - W - F -
    Search

  12. AK721

    Kuala Lumpur International Airport

    19:35

    KUL

    1h 20m

    Direct

    20:55

    SIN

    S M T W T F S

  13. AK265

    Sihanoukville International Airport

    13:30

    KOS

    1h 55m

    Direct

    16:25

    KUL

    S - T - T - S
    Search

  14. AK723

    Kuala Lumpur International Airport

    21:30

    KUL

    1h 15m

    Direct

    22:45

    SIN

    - - - W T - S

  15. KT175

    Sihanoukville International Airport

    12:15

    KOS

    1h 50m

    Direct

    15:05

    KUL

    - M - W - F -
    Search

  16. TR497

    Kuala Lumpur International Airport

    22:00

    KUL

    1h 20m

    Direct

    23:20

    SIN

    S - - - T F S

  17. AK265

    Sihanoukville International Airport

    13:30

    KOS

    1h 55m

    Direct

    16:25

    KUL

    S - T - T - S
    Search

  18. AK701

    Kuala Lumpur International Airport

    06:10

    KUL

    1h 5m

    Direct

    07:15

    SIN

    S M T W T F S

  19. AK265

    Sihanoukville International Airport

    13:30

    KOS

    1h 55m

    Direct

    16:25

    KUL

    S - T - T - S
    Search

  20. TR457

    Kuala Lumpur International Airport

    07:05

    KUL

    1h 25m

    Direct

    08:30

    SIN

    - - - W - F -
Find more flights and airlines

About Sihanoukville International Airport and Singapore Changi Airport

Learn about Sihanoukville International Airport (KOS) and Singapore Changi Airport (SIN) — including location, terminals, transportation, and travel tips.

Flight distance 1,027.05km
Cheapest one-way ticket price AU$ 256
Cheapest return ticket price AU$ 511

FAQs for Sihanoukville International Airport to Singapore Changi Airport Flights

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

    • The distance from Singapore Changi Airport to downtown is about 17km, by taxi about 30 minutes.
    • The distance from Seletar Airport to downtown is about 15km, by taxi about 30 minutes.
  • One-way flights from Sihanoukville International Airport to Singapore Changi Airport currently start from AU$ 256, and round-trip fares start from AU$ 511. The current lowest fare is a AirAsia Cambodia flight departing on Thu, Nov 12; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Sihanoukville International Airport to Singapore Changi Airport is AU$ 364. Prices may vary depending on the departure date, airline, and availability.
  • Enter Sihanoukville International Airport and Singapore Changi Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Most popular destination

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.