HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siem Reap

Cheap flights from Chiang Mai (CNX) to Siem Reap, Cambodia (SAI)

CNX — SAI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to Siem Reap with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chiang Mai to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Popular in

July

Cheapest in

May

Average price

$261
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Best time to book a flight from Chiang Mai to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Chiang Mai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Thai AirAsia from Chiang Mai to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
216 reviews

Entertainment

5.5

Boarding

7.5

Comfort

6.8

Crew

8.0

Overall

7.5

Food

6.1

Reviews

1 / 4
2.0
Mediocre

David,Jun 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO
Thai AirAsia
7.5
Good
216 reviews
Thai AirAsia
7.5
Good
216 reviews

Entertainment

5.5

Boarding

7.5

Comfort

6.8

Crew

8.0

Overall

7.5

Food

6.1

Reviews

1 / 4
2.0
Mediocre

David,Jun 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Chiang Mai to Siem Reap round-trip?

    According to our current data, Thai AirAsia ($228), offers the cheapest pricing from Chiang Mai to Siem Reap. This flight start at 20% lower than the current average price 3 months from now.

  • Can I find deals for flights from Chiang Mai to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Siem Reap.

  • Can I find deals for business class flights from Chiang Mai to Siem Reap?

    Yes. Cheapflights offers flight deals from Chiang Mai to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Chiang Mai to Siem Reap

Discover the top airline that operate flights from Chiang Mai to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$228Average$269FlexibilityNo cancel feeOn-time87%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.