Find the cheapest flights from Singapore to Siem Reap in 2026. Compare airlines, prices by month, and booking tips to save on your trip.
Route: Singapore (SIN) → Siem Reap (REP)
Distance: Direct flights not available
Flight Duration: 4 h 30 m – 8 h
Prices by Month
| Month | Avg Price | Demand |
|---|---|---|
| January | €380 | high |
| February | €365 | high |
| March | €320 | medium |
| April | €295 | medium |
| May | €275 | medium |
| June | €245 | low |
| July | €235 | low |
| August | €240 | low |
| September | €255 | low |
| October | €290 | medium |
| November | €325 | medium |
| December | €395 | high |
Airlines on This Route
- Singapore Airlines (direct): from €180 — Book 5+ weeks ahead for best pricing; Tuesday-Wednesday departures often €20-40 cheaper than weekends
- AirAsia (direct): from €85 — Add checked baggage at booking stage – prices double at airport. Use AirAsia app for exclusive promo codes.
- Scoot (direct): from €95 — Check Scoot’s booking calendar for ‘Super Saver’ dates; flight prices fluctuate hourly based on demand
- Cambodia Angkor Air (direct): from €120 — Best for those planning to continue to Phnom Penh; check package deals including domestic connections
- Thai Airways (connecting): from €210 — Often matches Singapore Airlines pricing but with Bangkok stop; good for combining Bangkok+Siem Reap trip
- Malaysia Airlines (connecting): from €195 — Search MH website directly; sometimes has flash sales that beat budget carriers when luggage is factored in
Booking Strategy
For Singapore to Siem Reap, book 4-6 weeks ahead for direct flights to secure the €80-150 budget carrier prices. The sweet spot is 5 weeks before departure when airlines release their optimal inventory. Tuesday and Wednesday departures are consistently 15-25% cheaper than Friday-Sunday flights on this popular weekend getaway route. Use Skyscanner’s ‘Everywhere’ feature to compare all carriers simultaneously, then book directly with the airline (especially AirAsia or Scoot) to avoid OTA markup. Set price alerts for SIN-REP specifically – prices fluctuate significantly within 72-hour windows. If traveling during June-September (monsoon), you can often find sub-€80 AirAsia specials, but factor in the mandatory luggage add-ons. For December-February peak season, book 8+ weeks ahead and expect to pay €150+ even on budget carriers.
Route Tips
- Book AirAsia flights directly through their app – it often has exclusive promo codes not available on comparison sites, and you can add baggage at lower rates than at airport check-in
- Singapore Changi Terminal 1 handles most Siem Reap flights – Terminal 4 also has some budget carrier services, so check your boarding pass for terminal details
- Cambodia visa on arrival costs $30 for most nationalities and takes 15-30 minutes – have a passport photo ready to skip the queue, or apply for e-visa online ($30+processing) for faster entry
- Combine your flight with temple passes – the three-day pass ($62) offers best value if visiting Angkor Wat, Bayon, and Ta Prohm, and can be purchased at any CTM convenience store in town
- Use Grab app in Siem Reap – it’s cheaper and safer than negotiating with tuk-tuk drivers, with set airport-to-city pricing displayed before you confirm
Frequently Asked Questions
How long is the flight from Singapore to Siem Reap?
Direct flights from Singapore Changi (SIN) to Siem Reap (REP) take approximately 2 hours 15 minutes. This is one of the shortest international routes in Southeast Asia. If booking connecting flights via Bangkok, Kuala Lumpur, or Ho Chi Minh City, expect total travel times between 4.5 to 8 hours depending on layover duration. Singapore Airlines and AirAsia operate the most frequent direct services with 2-4 daily departures each.
How much does it cost to fly from Singapore to Siem Reap?
Budget carriers like AirAsia and Scoot offer one-way tickets from €80-150 for direct flights, while Singapore Airlines and Cambodia Angkor Air charge €150-250 for full-service direct flights. Return tickets typically range €160-400 depending on airline and season. Connecting flights via Bangkok or Kuala Lumpur can sometimes match budget carrier prices when including baggage, but typically cost €180-280. Peak season (December-February) sees prices surge 40-60% above base rates.
Are there direct flights from Singapore to Siem Reap?
Yes, direct flights are available and convenient. Singapore Airlines operates 2-3 daily direct flights, AirAsia has 3-4 daily departures, Scoot offers 2-3 weekly direct services, and Cambodia Angkor Air runs 1-2 daily flights. Total flight time is just over 2 hours. No need to route through other cities unless seeking significantly cheaper fares, which rarely outweighs the time cost of a 5-8 hour journey with a layover.
What is the cheapest month to fly from Singapore to Siem Reap?
July and August represent the cheapest period to fly, with average prices around €235-240. This coincides with Cambodia’s monsoon season, though rainfall is typically brief afternoon showers rather than all-day rain. May and September also offer good value at €245-275. The most expensive months are December (€395 average) and January-February (€365-380) during the dry, peak-tourism season around Angkor Wat. Shoulder months like April and November offer a balance of decent weather and moderate pricing.
Which airlines fly from Singapore to Siem Reap?
Four airlines operate direct flights: Singapore Airlines (premium, €180-250), AirAsia (budget, €80-150), Scoot (budget-hybrid, €95-160), and Cambodia Angkor Air (national carrier, €120-180). Connecting options include Thai Airways via Bangkok, Malaysia Airlines via Kuala Lumpur, and Vietnam Airlines via Ho Chi Minh City. Budget carriers dominate the route due to the short 2h15m flight time, making it one of Southeast Asia’s most competitive air corridors.
What airport do I fly into in Siem Reap?
You fly into Siem Reap International Airport (REP), located about 7 kilometers from the city center. Airport taxis to downtown cost $6-10 (negotiate or use Grab app). Tuk-tuks cost $5-8 and are widely available. The journey takes 15-25 minutes depending on traffic. Many hotels offer free airport transfers – confirm this when booking accommodation. REP is a modern, compact airport efficiently handling the Angkor tourism boom.
How far in advance should I book Singapore to Siem Reap flights?
For this route, 5 weeks ahead provides the optimal balance of availability and pricing. Budget carriers (AirAsia, Scoot) often release their cheapest seats 6-8 weeks out, which sell quickly. Booking 4-6 weeks ahead typically saves 20-30% compared to last-minute purchases. During December-February peak season, book 8+ weeks ahead as prices rise sharply closer to departure. Last-minute bookings (under 2 weeks) can cost 50-100% more than advance booking.
Is it cheaper to fly from Singapore to Siem Reap on weekdays?
Yes, weekday flights are noticeably cheaper on this route. Tuesday and Wednesday departures are typically 15-25% cheaper than Friday-Sunday flights, which are most popular for short getaways to Angkor Wat. Monday and Thursday offer intermediate pricing. The difference can amount to €30-60 per ticket. If your schedule is flexible, shifting a weekend trip to depart Monday or return Thursday can yield meaningful savings without extending your total travel days.
Data updated: 2026-03