Find the cheapest flights from Kuala Lumpur to Siem Reap in 2026. Compare airlines, prices by month, and booking tips to save on your trip.
Route: Kuala Lumpur (KUL) → Siem Reap (REP)
Distance: Direct flights not available
Flight Duration: 4 h 30m – 8 h (1 stop)
Prices by Month
| Month | Avg Price | Demand |
|---|---|---|
| January | €380 | high |
| February | €375 | high |
| March | €340 | medium-high |
| April | €310 | medium |
| May | €270 | low |
| June | €265 | low |
| July | €290 | medium-low |
| August | €295 | medium-low |
| September | €275 | low |
| October | €320 | medium |
| November | €390 | high |
| December | €430 | high |
Airlines on This Route
- AirAsia (direct): from €120 — Book directly on AirAsia app or website — they price match and often have promo fares 2-3 months ahead of travel dates
- Malaysia Airlines (direct): from €220 — Use their web check-in exactly 30 hours before departure to secure better seat selection at no extra cost
- Cambodia Angkor Air (direct): from €180 — Best for checked-through luggage if continuing to other Cambodian cities
- Thai Airways (connecting): from €250 — Best connecting option if you want to break up journey or explore Bangkok for a few days
- Singapore Airlines (connecting): from €320 — More expensive but worth it for the Singapore stopover opportunity and superior service
Booking Strategy
For Kuala Lumpur to Siem Reap flights, book 4-6 weeks ahead for optimal pricing. Tuesday and Wednesday flights are typically 15-20% cheaper than weekend departures. AirAsia dominates this route with the lowest base fares, but factor in baggage fees — a 20kg check-in bag adds roughly €15-25 online versus €40 at airport. May through September offers the lowest prices (€250-300 return), coinciding with Cambodia’s green season when Angkor Wat has fewer crowds. Use Google Flights to track price trends, then book directly with the airline to avoid booking site markup. If flying AirAsia, install their app for exclusive promo codes that aren’t available on comparison sites.
Route Tips
- Book AirAsia flights directly through their mobile app — they often release exclusive promo fares that don’t appear on comparison sites like Skyscanner
- Siem Reap airport is small and efficient; arriving early evening gives you time to reach your hotel before dark and rest for an early temple sunrise the next day
- Cambodia visa on arrival costs $30 and takes 10-15 minutes; have a passport photo ready to skip the queue
- If traveling during green season (May-September), bring rain gear and waterproof bags for your camera — afternoon storms are common but brief
- For Angkor temple visits, buy the multi-day pass ($62 for 3 days) which allows you to spread visits across sunrise, midday, and sunset for the best lighting and fewer crowds
Frequently Asked Questions
How long is the flight from Kuala Lumpur to Siem Reap?
The direct flight from Kuala Lumpur (KUL) to Siem Reap (REP) takes approximately 2 hours and 30 minutes. AirAsia, Malaysia Airlines, and Cambodia Angkor Air operate direct services daily. If opting for connecting flights via Bangkok, Singapore, or Ho Chi Minh City, expect a journey of 4.5 to 8 hours depending on layover duration. The most common connecting route is through Bangkok (BKK) with Thai Airways or Bangkok Airways, adding 2-3 hours to the total travel time.
How much does it cost to fly from Kuala Lumpur to Siem Reap?
Direct flights start from approximately €120 with AirAsia during low season (May-September). Full-service carriers like Malaysia Airlines charge €200-280 for direct flights including baggage. Connecting flights range from €180-350 depending on the carrier and routing. Peak season (November-February) sees prices rise to €350-450 for direct flights. Budget €250-300 for a comfortable return trip with checked baggage during shoulder seasons.
Are there direct flights from Kuala Lumpur to Siem Reap?
Yes, direct flights are available and operated by three carriers. AirAsia offers the most frequent daily departures with budget fares starting from €120. Malaysia Airlines provides premium service with 30kg baggage included. Cambodia Angkor Air is the national carrier with convenient timings for Angkor temple visits. All direct flights depart from Kuala Lumpur International Airport (KUL) and land at Siem Reap International Airport (REP), taking approximately 2 hours 30 minutes.
What is the cheapest month to fly from Kuala Lumpur to Siem Reap?
May and June are the cheapest months to fly, with average prices around €265-270 for direct flights. This coincides with Cambodia’s low season (green season), offering lower hotel rates and fewer tourists at Angkor Wat. September also sees competitive pricing at around €275. The most expensive period is December-January during peak tourist season, when prices can exceed €400. April and October offer a good balance of reasonable prices and manageable crowds at temples.
Which airlines fly from Kuala Lumpur to Siem Reap?
Four airlines serve this route. AirAsia (budget) offers the lowest fares from €120 but charges extra for checked bags. Malaysia Airlines (full-service) includes 30kg baggage from €220. Cambodia Angkor Air (national carrier) provides 20kg baggage from €180 with convenient schedules. For connections, Thai Airways via Bangkok, Singapore Airlines via Singapore, and Vietnam Airlines via Ho Chi Minh City offer alternative routings, typically priced €50-100 higher than direct flights.
What airport do I fly into in Siem Reap?
You will arrive at Siem Reap International Airport (REP), located about 7 kilometers from the city center. Airport taxis to downtown cost $5-8 (negotiate or use Grab app). Tuk-tuks outside the terminal charge $5-10. Many hotels offer free airport transfers. The airport is small but modern, with currency exchange, SIM card vendors, and tourist information desks. Allow 20-30 minutes to reach central Siem Reap depending on traffic.
How far in advance should I book Kuala Lumpur to Siem Reap flights?
For this route, book 4-6 weeks ahead for the best balance of availability and price. AirAsia releases seats 3-6 months in advance, and their cheapest fares typically sell out quickly. If traveling during peak season (November-February), book 8 weeks ahead to secure availability and reasonable prices. Last-minute bookings (within 2 weeks) can sometimes yield deals on unsold seats but carry significant risk, especially during high season when flights fill up.
Is it cheaper to fly from Kuala Lumpur to Siem Reap on weekdays?
Yes, Tuesday and Wednesday departures are typically 15-20% cheaper than weekend flights. Monday and Thursday offer moderate pricing, while Friday through Sunday commands premium fares, especially for afternoon flights arriving in Siem Reap around temple-opening time. For maximum savings, book Tuesday or Wednesday departures at early morning or late evening times. The difference can save €30-50 per person on return flights.
Data updated: 2026-03
