$1,225+ Cheap flights from George Bush Intcntl (IAH) to Siem Reap, Cambodia (SAI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAI
Feb 27 — Mar 61
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl 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 George Bush Intcntl to Siem Reap
Cheapest flights from George Bush Intcntl to Siem ReapExplore the most affordable flight options available from George Bush Intcntl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:30 pm
IAH
- SAI
2 stops30h 30m
Multiple Airlines
Sun 10/117:25 pm
SAI
- IAH
2 stops35h 45m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$1,225
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:45 pm
IAH
- SAI
2 stops31h 30m
Multiple Airlines
Tue 6/167:25 pm
SAI
- IAH
2 stops32h 19m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$1,726
Find flight deals from George Bush Intcntl to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,726 (FlightHub) |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Siem Reap that are best for you.
Fly from
George Bush Intcntl
Fly to
Siem Reap
Route
Depart
Return
Price
HoustonSiem Reap
IAH - SAI
IAHSAI
Houston George Bush Intcntl
Wed 5/27
4:45 pm-12:15 pm
2 stops31h 30m
Siem Reap–Angkor Intl
Tue 6/16
7:25 pm-3:44 pm
2 stops32h 19m
$1,726
HoustonSiem Reap
IAH - SAI
IAHSAI
Houston George Bush Intcntl
Wed 4/8
11:35 am-9:00 am
2 stops33h 25m
$3,092
HoustonSiem Reap
IAH - SAI
IAHSAI
Houston George Bush Intcntl
Tue 4/7
11:35 am-9:00 am
2 stops33h 25m
$3,159
HoustonSiem Reap
IAH - SAI
IAHSAI
Houston George Bush Intcntl
Thu 4/9
11:35 am-9:00 am
2 stops33h 25m
$3,159
Compare providers for flights from George Bush Intcntl to Siem Reap
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Siem Reap in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Siem Reap flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from George Bush Intcntl 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.