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Siem Reap

$1,124+ Cheap flights from George Bush Intcntl (IAH) to Siem Reap, Cambodia (SAI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAI
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Siem Reap

Cheapest flights from George Bush Intcntl to Siem Reap
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 March 18, 2026.

This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:50 am
IAH
-
SAI
3 stops39h 20m
Multiple Airlines
Wed 7/84:00 pm
SAI
-
IAH
2 stops43h 59m
Multiple Airlines
Deal found 3/13$1,523
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:35 pm
IAH
-
SAI
2 stops31h 35m
Singapore Airlines
Wed 7/84:00 pm
SAI
-
IAH
2 stops26h 34m
Singapore Airlines
Deal found 3/13$1,881

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,523
(KAYAK)

One-way from

$1,124
(Qatar Airways)
Provider with most accurate pricing for Houston George Bush Intcntl-Siem Reap–Angkor Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Siem Reap–Angkor Intl flights.
Search Deals
From Houston George Bush Intcntl to Siem Reap–Angkor Intl
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One-way flight from Houston George Bush Intcntl to Siem Reap–Angkor Intl
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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 March 18, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 6/17

11:50 am-3:10 pm

3 stops39h 20m

Siem Reap–Angkor Intl

Wed 7/8

4:00 pm-11:59 pm

2 stops43h 59m

$1,523
Quickest round-trip

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 6/17

7:35 pm-3:10 pm

2 stops31h 35m

Siem Reap–Angkor Intl

Wed 7/8

4:00 pm-6:34 am

2 stops26h 34m

$1,881
Cheapest one-way

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 3/28

6:36 pm-9:00 am

3 stops50h 24m

$1,124
Quickest one-way

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 3/28

5:25 pm-12:15 pm

2 stops30h 50m

$1,202

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 3/28

8:22 pm-9:30 pm

3 stops61h 08m

$1,617

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 airport do you fly into for flights to Siem Reap from Houston George Bush Intcntl?

    If you book a flight to Siem Reap from Houston George Bush Intcntl, you will be flying to Siem Reap–Angkor Intl, which is the city’s only airport. Siem Reap–Angkor Intl (SAI) is located 24.7 mi from the center of Siem Reap. There are 0 flights from Houston George Bush Intcntl to Siem Reap–Angkor Intl per day from 0 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Siem Reap?

    A quick flight from Houston George Bush Intcntl Airport to Siem Reap can take about 31h 35m. Singapore Airlines provides one of the quickest options available for as low as $1,881. The distance between Houston George Bush Intcntl Airport and Siem Reap is about 9164 mi.

  • Can I find deals for flights from George Bush Intcntl to Siem Reap that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Siem Reap?

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

  • Can I find deals for business class flights from George Bush Intcntl to Siem Reap?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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.

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