$389 Cheap Flights to Siem Reap
One-way
Departing from
United States
Going to
Siem Reap, Cambodia
Siem Reap (SAI)
Cambodia • April, 2026
88% AI deal score
$1,175 $502
Siem Reap (SAI)
Cambodia • April, 2026
88% AI deal score
$1,175 $507
Siem Reap (SAI)
Cambodia • April, 2026
83% AI deal score
$1,175 $502
Siem Reap (SAI)
Cambodia • September, 2026
80% AI deal score
$730 $389
Siem Reap (SAI)
Cambodia • May, 2026
73% AI deal score
$805 $521
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to Siem Reap. Fares are subject to change and may not be available for all dates. (Data last updated 4/13/2026).
Popular airlines to Siem Reap
Cathay Pacific
Emirates Airlines
Royal Flying Doctor Service
Garuda Indonesia
Korean Air
Malaysia Airlines
Qatar Airways
Singapore Airlines Cargo
568,565 searches in the past 7 days on RatePunk
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Top Cheap Flight Deals from United States to Siem Reap
Recent round-trip flight deals to Siem Reap
Thu, Jun 18 - Fri, Jun 26
Cheapest
Hagåtña (GUM) - Siem Reap (SAI)
Jin Air airlines • 2 stops • Seoul (ICN), Hanoi (HAN)
Siem Reap (SAI) - Hagåtña (GUM)
Vietnam Airlines airlines • 2 stops • Hanoi (HAN), Seoul (ICN)
$1,375
$790
-$585
43%
Thu, Jun 25 - Wed, Jul 1
Honolulu (HNL) - Siem Reap (SAI)
Zipair Tokyo airlines • 2 stops • Tokyo (NRT), Bangkok (DMK)
Siem Reap (SAI) - Honolulu (HNL)
Vietnam Airlines airlines • 2 stops • Ho Chi Minh City (SGN), Tokyo (NRT)
$1,085
Tue, Apr 21 - Sat, May 23
Honolulu (HNL) - Siem Reap (SAI)
Zipair Tokyo airlines • 3 stops • Tokyo (NRT), Hong Kong (HKG), Hanoi (HAN)
Siem Reap (SAI) - Honolulu (HNL)
Vietnam Airlines airlines • 2 stops • Hanoi (HAN), Tokyo (NRT)
$2,300
$1,103
-$1,197
52%
Tue, May 5 - Tue, May 26
Seattle (SEA) - Siem Reap (SAI)
Ozark Air Lines airlines • 2 stops • Seoul (ICN), Hanoi (HAN)
Siem Reap (SAI) - Seattle (SEA)
Khalifa Airways airlines • 2 stops • Ho Chi Minh City (SGN), Seoul (ICN)
$1,250
$1,155
-$95
8%
Tue, May 5 - Tue, Jun 2
Seattle (SEA) - Siem Reap (SAI)
Ozark Air Lines airlines • 2 stops • Seoul (ICN), Hanoi (HAN)
Siem Reap (SAI) - Seattle (SEA)
Khalifa Airways airlines • 2 stops • Ho Chi Minh City (SGN), Seoul (ICN)
$1,250
$1,157
-$93
7%
Tue, May 5 - Tue, May 12
Seattle (SEA) - Siem Reap (SAI)
Ozark Air Lines airlines • 2 stops • Seoul (ICN), Hanoi (HAN)
Siem Reap (SAI) - Seattle (SEA)
Khalifa Airways airlines • 2 stops • Ho Chi Minh City (SGN), Seoul (ICN)
$1,250
$1,158
-$92
7%
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):
Facts About Flights from United States 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.
Typical price range (round-trip)
Flights to Siem Reap: $500 - $1200
Dreaming of exploring the ancient temples of Angkor Wat? Flights to Siem Reap typically range from $500 to $1200. Prices tend to be higher during peak tourist season (November to March) and lower during the rainy season (May to October), so plan accordingly for the best deals.
Flight frequency
20+ flights
There are typically over 20 flights operating to Siem Reap daily, but this number can increase during peak tourist seasons and around popular travel times.
SAI Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SAI airport insights
Best days to catch a deal
Wed, Thur
Based on the data, Wednesday has the highest count, indicating it's the best day to find deals for Siem Reap–Angkor International Airport. Tuesday has the lowest count, suggesting it's the least likely day to find cheap flights.
Avg. deal survival time
11.9 hours
Deals for Siem Reap–Angkor International Airport typically last around 11.9 hours. You'll want to book quickly if you find a deal you like for flights from or to Siem Reap–Angkor International Airport.
Rare deal frequency
19 deals
We've discovered 19 rare flight deals for Siem Reap–Angkor International Airport in the last month. These rare finds, identified by an AI Deal Score of 90+, typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-55%
The average price drop for flights to Siem Reap–Angkor International Airport is 54.7%, which means you could save a significant amount on your airfare. Keep an eye on flight prices and book when you see a deal to take advantage of this potential discount.
Next 4 weeks: deal forecast
Siem Reap Forecast Next Month
Based on current data, flight prices to Siem Reap–Angkor International Airport are expected to remain stable next month. There are no significant price drops or increases forecasted at this time.
Top 5 biggest price drops (last 3 months)
Found on April 4
Puerto Princesa - SAI
$1,095 → $283
74%
Found on April 5
Davao - SAI
$1,200 → $309
74%
Found on April 4
Zürich - SAI
$2,025 → $542
73%
Found on April 4
Darwin - SAI
$1,105 → $321
71%
Found on April 1
Ottawa - SAI
$5,850 → $1,767
70%
Check these nearby airports too
Looking for more options? These airports near SAI sometimes drop rare deals too:
Luang Prabang International (LPQ)
~6 rare deals/month
Phnom Penh International (PNH)
~4 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LPQ and PNH for long-haul deal surprises.
When Is the Best Time to Fly from United States 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!
Seasonal considerations
Simillar
Seasonal considerations
The seasonal considerations for booking flights to Siem Reap is simillar. Prices may fluctuate slightly depending on the season, but generally, deals can be found year-round with a bit of searching. This means you can plan your trip whenever the mood strikes!
TL;DR: October is the cheapest month to fly to Siem Reap, offering lush scenery and fewer crowds. Tuesdays are prime for booking flights, while Wednesdays are often the cheapest days to fly. Aim to book about two months in advance for the best deals. Prices are simillar throughout the year with planning, ensuring flexibility for your travel dates and budget.
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
Getting around from Siem Reap International Airport is a breeze with readily available taxis, tuk-tuks, and pre-booked private transfers. Taxis offer fixed rates, tuk-tuks are great for budget travelers, and private transfers provide comfort and convenience. Pick the ride that suits your style and get ready to explore!
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
Wed, Apr 8
10%
38° 26°
10%
Thu, Apr 9
0%
38° 26°
0%
Fri, Apr 10
0%
37° 26°
0%
Sat, Apr 11
0%
38° 26°
0%
Sun, Apr 12
0%
38° 26°
0%
Mon, Apr 13
0%
38° 27°
0%
Tue, Apr 14
0%
38° 28°
0%
Here’s a quick look at the weather you can expect, plus this week’s forecast:
Seasons: Siem Reap has two main seasons: the dry season (November to April) and the rainy season (May to October). The dry season features sunny skies and temperatures ranging from 25°C to 38°C (77°F to 100°F), while the rainy season brings increased humidity and temperatures between 24°C and 32°C (75°F to 90°F).
Rain: Siem Reap experiences rainfall mainly during the rainy season, from May to October. While the rain can be frequent, it rarely causes major disruptions to travel, as it often comes in short bursts.
This week's forecast: This week in Siem Reap, expect mostly sunny weather with temperatures ranging from 25.7°C to 38.3°C (78.26°F to 100.94°F). There is a slight chance of rain on Wednesday and next week, but overall, the weather will be hot and dry.
(We update the weather forecast weekly so you know what to expect during your travel week. Always check a day or two before your flight for the most current conditions.)
Frequently Asked Questions About Flights to Siem Reap
(Have more questions?) Feel free to reach out or check our comprehensive Siem Reap travel guide. We’re here to help make your flight to Siem Reap (and the trip itself) as smooth as possible.
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!
Consider Nearby Airports: Sometimes flying into a smaller, less popular airport near Siem Reap can be significantly cheaper. Do a little research to see if there are alternative airports that work for you!
Book in Advance (But Not Too Early!): While last-minute deals are rare, booking too far in advance isn't always ideal either. Aim for booking 2-3 months ahead for domestic and 3-6 months for international flights.
Mix and Match Airlines: Don't be afraid to fly to Siem Reap with one airline and return with another. Sometimes, combining different airlines can result in a lower overall fare.
Use Incognito Mode: Airlines might track your searches and increase prices accordingly. Use incognito mode or clear your browser's cookies to see the most unbiased flight prices.
Look for Package Deals: Consider booking your flight and hotel together as a package. These bundles often come with discounted rates, helping you save on your entire trip.
Take Advantage of Stopovers: If you're not in a rush, consider flights with layovers. These can be cheaper than direct flights, and you might even get to explore another city along the way!
Check Budget Airlines: Budget airlines can offer incredibly low fares, but be sure to factor in extra costs like baggage fees and seat selection. Still, it's worth checking them out!
Follow Travel Deal Websites: Keep an eye on travel deal websites and social media accounts that specialize in finding discounted flights. You might stumble upon an incredible deal to Siem Reap!
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to Siem Reap and make the most of your travel budget. After all, the more you save on your flight, the more you can spend on a Broadway show, a nice meal, or an extra tour in Siem Reap! 🎉✈️