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Phnom Penh

$665+ Cheap flights from George Bush Intcntl (IAH) to Phnom Penh (PNH)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PNH
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phnom Penh Pochentong are usually found in February or March, booked 90 days in advance, depart on a Saturday or Friday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Phnom Penh (PNH). 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 August 18, 2025.

Round-trip from

$906
(Mytrip)

One-way from

$665
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,201
From Houston George Bush Intcntl to Phnom Penh Pochentong
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One-way flight from Houston George Bush Intcntl to Phnom Penh Pochentong
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Highest demand for flights based on searches. 8% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from George Bush Intcntl to Phnom Penh

Cheapest flights from George Bush Intcntl to Phnom Penh
Explore the most affordable flight options available from George Bush Intcntl to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:00 pmIAH - PNH
2 stops24h 15mMultiple Airlines
Wed 9/178:00 amPNH - IAH
2 stops32h 30mMultiple Airlines
Deal found 8/17$906
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Mon 10/207:10 pmIAH - PNH
2 stops49h 30mSingapore Airlines
Fri 10/246:55 pmPNH - IAH
2 stops41h 15mSingapore Airlines
Deal found 8/16$982
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:16 pmIAH - PNH
2 stops25h 59mCathay Pacific
Wed 9/36:30 pmPNH - IAH
2 stops38h 53mCathay Pacific
Deal found 8/17$1,027
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:16 pmIAH - PNH
2 stops25h 59mCathay Pacific
Sat 8/306:30 pmPNH - IAH
2 stops37h 16mCathay Pacific
Deal found 8/17$1,064
This KAYAK deal was found by Cheapflights users on 8/17. 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.
Mon 8/258:16 pmIAH - PNH
2 stops25h 59mCathay Pacific
Mon 9/111:25 amPNH - IAH
2 stops44h 21mCathay Pacific
Deal found 8/17$1,081
This oojo deal was found by Cheapflights users on 8/17. 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.
Tue 9/168:00 amIAH - PNH
2 stops26h 55mAsiana Airlines
Tue 9/2311:55 pmPNH - IAH
2 stops36h 11mAsiana Airlines
Deal found 8/17$1,106
This oojo deal was found by Cheapflights users on 8/16. 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.
Sat 9/207:28 pmIAH - PNH
2 stops39h 27mAsiana Airlines
Sat 11/811:55 pmPNH - IAH
2 stops36h 57mAsiana Airlines
Deal found 8/16$1,122
This Justfly.com deal was found by Cheapflights users on 8/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:10 pmIAH - PNH
2 stops49h 25mSingapore Airlines
Fri 12/122:40 pmPNH - IAH
2 stops46h 19mSingapore Airlines
Deal found 8/17$1,127
This CrystalTravel deal was found by Cheapflights users on 8/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:35 amIAH - PNH
1 stop21h 40mEVA Air
Mon 9/112:35 pmPNH - IAH
1 stop21h 50mEVA Air
Deal found 8/17$1,128
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:37 amIAH - PNH
2 stops46h 18mMultiple Airlines
Fri 12/2611:55 pmPNH - IAH
2 stops32h 18mMultiple Airlines
Deal found 8/16$1,129

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Phnom Penh 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 August 18, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Phnom Penh that are best for you.

Fly from

George Bush Intcntl

Fly to

Phnom Penh

Route

Depart

Return

Price

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 9/2

10:00 pm-10:15 am

2 stops24h 15m

Phnom Penh Pochentong

Wed 9/17

8:00 am-4:30 am

2 stops32h 30m

$906

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 10/20

7:10 pm-8:40 am

2 stops49h 30m

Phnom Penh Pochentong

Fri 10/24

6:55 pm-12:10 am

2 stops41h 15m

$982

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 9/16

8:00 am-10:55 pm

2 stops26h 55m

Phnom Penh Pochentong

Tue 9/23

11:55 pm-12:06 am

2 stops36h 11m

$1,106

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 10/25

7:10 pm-8:35 am

2 stops49h 25m

Phnom Penh Pochentong

Fri 12/12

2:40 pm-11:59 pm

2 stops46h 19m

$1,127

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 9/1

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Wed 9/17

12:35 pm-10:25 pm

1 stop21h 50m

$1,128

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 9/21

9:44 am-1:10 pm

2 stops39h 26m

Phnom Penh Pochentong

Wed 11/5

7:40 pm-4:24 pm

2 stops33h 44m

$1,134

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 10/21

6:00 am-10:55 pm

2 stops28h 55m

Phnom Penh Pochentong

Fri 11/21

11:55 pm-5:46 am

2 stops42h 51m

$1,141

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 9/15

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Tue 9/23

12:35 pm-10:25 pm

1 stop21h 50m

$1,150

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 12/5

8:10 pm-1:45 pm

3 stops52h 35m

$665

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 12/5

11:30 pm-11:25 am

1 stop22h 55m

$1,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Best time to book a flight from George Bush Intcntl to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Phnom Penh

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Phnom Penh. Price data was last updated on August 8, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Phnom Penh is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phnom Penh (average of $985). Flying from Houston George Bush Intcntl Airport to Phnom Penh in June is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Phnom Penh?

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated August 18, 2025.
Get a feel of what it's like to fly with EVA Air, Singapore Airlines, and Qatar Airways from Houston George Bush Intcntl Airport to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,232 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,347 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Qatar Airways
7.4
Good
3,609 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Turkish Airlines
7.3
Good
3,945 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Phnom Penh. 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 Phnom Penh from Houston George Bush Intcntl?

    If you book a flight to Phnom Penh from Houston George Bush Intcntl, you will be flying to Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh. There are 0 flights from Houston George Bush Intcntl to Pochentong per day from 4 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Phnom Penh?

    Singapore Airlines and Asiana Airlines can get you from Houston George Bush Intcntl Airport to Phnom Penh in just under 26h 55m. Your travel time can differ by up to 22h 35m. Houston George Bush Intcntl Airport and Phnom Penh are separated by a distance of 9262 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Phnom Penh round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to Phnom Penh is Singapore Airlines. Our recent data shows that you can find tickets from as low as $856 on this airline. Additional options worth looking into are Turkish Airlines and EVA Air, starting at $976 and $1,075 round-trip. Singapore Airlines is currently priced 35% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from George Bush Intcntl to Phnom Penh?

    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 Phnom Penh.

  • Can I find deals for business class flights from George Bush Intcntl to Phnom Penh?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phnom Penh (average of $985). Flying from Houston George Bush Intcntl Airport to Phnom Penh in June is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for George Bush Intcntl to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Phnom Penh flights

Top 4 airlines flying from George Bush Intcntl to Phnom Penh

Discover the top 4 airlines that operate flights from George Bush Intcntl to Phnom Penh. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$856Average$943FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$976Average$1,051FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,075Average$1,295FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,203Average$1,284FlexibilityNo cancel feeOn-time68%

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