
$231 Cheap Flights from Perth to Siem Reap
One-way
Departing from
Perth
Going to
Siem Reap, Cambodia
Siem Reap (SAI)
Cambodia • August, 2026
58% AI deal score
$383 $231
Siem Reap (SAI)
Cambodia • August, 2026
58% AI deal score
$383 $231
Siem Reap (SAI)
Cambodia • August, 2026
58% AI deal score
$383 $232
Top Cheap Flight Deals from Perth to Siem Reap
The cheapest time to fly to Siem Reap
Ready to jet to Siem Reap on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from Perth to Siem Reap
Need to get to Siem Reap ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals!
Book flights to Siem Reap, Cambodia starting at $220, departing in the next two weeks.
⌛ Last-Minute
Perth - REP
A great last-minute steal for a cross-country flight.
Found 5 days ago
$220
one-way
⌛ Last-Minute
Perth - REP
A great last-minute steal for a cross-country flight.
Found 5 days ago
$220
one-way
Tip: If you don’t see your city listed, try a quick search anyway – new deals appear daily. Airlines sometimes slash prices a few days before departure to avoid empty seats.
Keep in mind, while last-minute fares can be lucky finds, booking about a month in advance generally yields cheaper flights on average. If you have flexibility, try to plan ahead. But if an unexpected trip to Siem Reap pops up, check our site – you might get lucky with a sudden fare drop.
Facts About Flights from Perth to Siem Reap
To help you plan your journey, here are some quick Siem Reap flight facts and tips.
Siem Reap city airports
Siem Reap is primarily served by the new Siem Reap–Angkor International Airport (SAI), which opened in late 2023. This modern facility is located further from the Angkor temples than the previous airport, aiming to reduce noise and pollution impacting the historical site. SAI boasts increased capacity, longer runways, and enhanced facilities to accommodate larger aircraft and a growing number of international visitors. You'll find a range of amenities including restaurants, duty-free shops, lounges, and transportation options to make your arrival and departure smooth and comfortable.
Pro tip: search “Siem Reap (Any)” to see fares to all Siem Reap airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Siem Reap
Cheapest airport
Phnom Penh (PNH)
While not technically in Siem Reap, flying into Phnom Penh International Airport (PNH) is often the most budget-friendly option and it is the largest airport in Cambodia. From there, you can take a bus or private taxi to Siem Reap to see the majestic Angkor Wat. While you are there, make sure to check out the royal palace!
Nonstop vs. 1-stop
20+ cities
Siem Reap–Angkor International Airport (SAI) isn't a major hub, but it still connects you to over 20 cities, offering a gateway to Southeast Asia's gems with popular routes to places like Bangkok and Ho Chi Minh City!
Number of airlines
30+ airlines
Siem Reap is served by over 30 airlines, with popular choices including full-service carriers like Singapore Airlines and low-cost options such as AirAsia.
SAI Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SAI airport insights
Best days to catch a deal
Fri, Wed
Based on the provided data, Thursday has the lowest count (36), suggesting it's often the day when the cheapest deals are found for Siem Reap–Angkor International Airport. Friday has the highest count (150), so deals are less likely to be found on that day.
Avg. deal survival time
19.8 hours
Deals for Siem Reap–Angkor International Airport typically last for 19.8 hours. This means that good offers may disappear in less than a day, so it's important to book quickly.
Rare deal frequency
15 deals
We found 15 rare deals for flights to Siem Reap–Angkor International Airport in the past month. These rare deals had an AI Deal Score of 90+ and usually consist of mistake fares, special promotions or ultra-discounts.
Average price drop
-64%
On average, flights to Siem Reap–Angkor International Airport experience a price drop of 64.4%. This means you could potentially save a significant amount on your airfare by monitoring prices and booking at the right time.
Next 4 weeks: deal forecast
Siem Reap Flight Forecast
The forecast for Siem Reap–Angkor International Airport next month indicates stable prices. No significant price drops or increases are expected based on current trends.
Top 5 biggest price drops (last 3 months)
Found on March 29
Davao - SAI
$1,200 → $176
85%
Found on March 27
Puerto Princesa - SAI
$1,095 → $199
82%
Found on March 27
Auckland - SAI
$2,930 → $517
82%
Found on March 29
Zürich - SAI
$3,650 → $656
82%
Found on March 27
Ottawa - SAI
$5,850 → $1,466
75%
Check these nearby airports too
Looking for more options? These airports near SAI sometimes drop rare deals too:
Phnom Penh International (PNH)
~12 rare deals/month
Tan Son Nhat International (SGN)
~14 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially PNH and SGN for long-haul deal surprises.
When Is the Best Time to Fly from Perth to Siem Reap
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Siem Reap:
Cheapest month
October
Cheapest month
October is often the cheapest month to fly to Siem Reap. Visiting during this time means you'll catch the tail end of the wet season, with fewer tourists and lower prices. Plus, the temples are lush and green, making for stunning photos!
Best day to book
Tuesday
Best day to book
Tuesday is often the sweet spot for booking flights to Siem Reap! Airlines tend to release deals early in the week, so keep an eye on those Tuesday bargains. You might just snag a deal that leaves you with extra cash for Angkor Wat souvenirs!
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to Siem Reap on a Wednesday can save you some serious cash. Mid-week flights are generally less popular, which translates to lower fares. Start your adventure with some savings, and maybe treat yourself to an extra plate of delicious Khmer food.
Advance booking sweet spot
2 Months
Advance booking sweet spot
Booking about two months in advance is the sweet spot for flights to Siem Reap. This timing usually aligns with the best prices before airlines start hiking them up. Plan ahead, relax, and look forward to exploring the ancient wonders without breaking the bank!
Siem Reap Airports & Ground Transportation
One big question for travelers is which Siem Reap airport to fly into. Here’s a quick guide to Siem Reap’s airports and how to get to the city from each:
Siem Reap International Airport (REP)
Siem Reap International Airport (REP) is the primary gateway to the mystical temples of Angkor. Though smaller than some international hubs, it offers essential amenities like duty-free shops, restaurants serving both local and international cuisine, and comfortable lounges to relax before your flight. Its design incorporates traditional Khmer architectural elements, giving you a taste of Cambodian culture even before you leave the airport. Getting to Siem Reap city center is a breeze with readily available taxis, tuk-tuks, and pre-booked private cars, ensuring a smooth transition to your hotel. Remember to negotiate the fare beforehand!
Tip: Factor in extra time for security, especially during peak tourist season.
Other airports
While Siem Reap International Airport is your gateway to Angkor Wat, consider nearby options like Phnom Penh International Airport. Though further away, it might offer more flight choices, but brace yourself for a 5-6 hour bus or taxi ride to Siem Reap, costing you time and money. Factor in these ground transportation logistics when weighing your options!
Airport transfers
What to Do in Siem Reap
Siem Reap isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Siem Reap, organized by interest:
Sightseeing & Landmarks
Get ready to explore ancient wonders! Siem Reap is home to the magnificent Angkor Wat and countless other temples. Prepare to be amazed by the intricate carvings and stunning architecture that tell tales of a rich history.
Arts & Culture
Immerse yourself in the vibrant local culture by visiting traditional dance performances. You might consider discovering local artisan workshops. Don't miss the chance to witness the skillful craftsmanship and artistic traditions passed down through generations.
Food & Nightlife
Treat your taste buds to a culinary adventure! Siem Reap offers a variety of dining options. Experience the lively nightlife with bustling bars and vibrant markets, where you can savor local flavors and enjoy the energetic atmosphere.
Shopping & Fashion
Indulge in some retail therapy at the local markets and boutiques. Discover unique souvenirs, handmade crafts, and stylish clothing. Get ready to bargain for the best deals and take home a piece of Cambodian charm.
Nearby Getaways
Venture beyond Siem Reap and explore the surrounding natural beauty. Take a boat trip on Tonle Sap Lake, Southeast Asia's largest freshwater lake. These trips offer a glimpse into traditional floating villages and stunning landscapes.
No matter your interest – be it art, food, nightlife, or nature – Siem Reap has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Siem Reap Weather
Weather in Siem Reap
Thu, Apr 2
0%
36° 25°
0%
Fri, Apr 3
Frequently Asked Questions About Flights to Siem Reap
Pro Tips for Finding Cheap Flights to Siem Reap
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Siem Reap flights:
Be Flexible with Your Dates: Flying on weekdays or during the off-season can save you a pretty penny. Avoid peak travel times like holidays and school breaks for cheaper flights!
Set Up Price Alerts: Use RatePunk to track flight prices for Siem Reap. You'll get notified when prices drop, ensuring you snag the best deal. It's like having a personal flight deal hunter!