Cheap Flights from Houston to Siem Reap–Angkor

Compare Houston to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

Book the best Siem Reap–Angkor fare with no extra fees

Flight deals from Houston to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Houston to Siem Reap–Angkor Airport? If you want to travel next month, return fares start from R 23,733. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Siem Reap–Angkor flights are currently cheapest in March.

Houston to Siem Reap–Angkor : Alternative routes

Compare routes from Houston to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Houston to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundR 13,333
Cheapest month to flyMarch

Finding cheap flights from Houston to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Houston to Siem Reap–Angkor is R 20,777. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston to Siem Reap–Angkor . But we found flights with one stop from R 20,777.
As of July 2026, there are no flights flying from Houston to Siem Reap–Angkor .
The cheapest month to fly from Houston to Siem Reap–Angkor is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Siem Reap–Angkor Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Houston and Siem Reap–Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Siem Reap–Angkor is Frontier Airlines .

Travelling from Houston to Siem Reap Angkor Airport (SAI): What you need to know

  • The timezone in Siem Reap is UTC+7, which is 13 hours ahead of Houston. Siem Reap Angkor Airport is located in Siem Reap.

  • Arrive at the airport on time so you don't miss your flight from Houston to SAI. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • July is a busy month for air travel. If you're heading away then or around a major holiday like Thanksgiving, Memorial Day or Christmas, show up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

Houston Hobby Airport (HOU)

About Siem Reap Angkor Airport (SAI)

  • Arriving on a late flight from Houston to Siem Reap Angkor Airport? Don't let it rob you of real rest. Stay a short drive from SAI at Chansor Community Homestay 18.

Getting from Siem Reap Angkor Airport (SAI) to central Siem Reap

  • The centre of Siem Reap is roughly 40 kilometres from Siem Reap Angkor Airport. Journey times by taxi or car hire will vary based on traffic conditions, so do a little research ahead of your trip.

  • If you're travelling on public transport, expect a journey of about 25 minutes.

How to find the cheapest flights from Houston to Siem Reap Angkor Airport (SAI)

  • R 13,333 is currently the lowest price for a one-way ticket from Houston to Siem Reap Angkor Airport. A return flight starts from R 20,777. These fares can change depending on demand and availability.

  • Booking early is often the key to finding a cheap flight from Houston to SAI. Prices tend to rise as demand increases, so the closer you get to departure, the more you'll likely pay.

  • The 'Whole month' search tool shows you the cheapest Houston to Siem Reap Angkor Airport tickets across the month. It's an easy way to find a bargain if your travel plans are flexible.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a better deal on plane tickets from Houston to SAI.

  • Hunt down a great price on a flight from Houston to Siem Reap Angkor Airport with the help of the filters. Choose your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Houston to Siem Reap Angkor Airport (SAI)

  • It's time to figure out when to book your flight from Houston to Siem Reap Angkor Airport (SAI). February is when most people visit Siem Reap. If you like your getaways a little more chill, think about going in September.

  • Book a Houston to SAI plane ticket departing in March if you want to explore the city during its warmest month. Expect temperatures in Siem Reap to range from 22ºC (72ºF) to 38ºC (100ºF).

  • If you want cooler conditions, search for a cheap ticket from Houston to Siem Reap Angkor Airport in January when temperatures are between 18ºC (64ºF) and 33ºC (91ºF).

More about Siem Reap

Explore more of Cambodia

  • Siem Reap will leave a lasting impression, but there are so many other parts of Cambodia you'll want to see. Around 209 kilometres south of Siem Reap, a visit to Phnom Penh will keep your itinerary packed. Start with popular sights like Royal Palace, Genocide museum and Documentation Centre of Cambodia.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.