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 $1,051 on this airline. Additional options worth looking into are Asiana Airlines and EVA Air, starting at $1,120 and $1,148 round-trip. Singapore Airlines is currently priced 22% below the average price you’ll pay for this route.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Phnom Penh?

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Phnom Penh flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Phnom Penh?

Consider EVA Air, Qatar Airways or Singapore Airlines when booking your flight. These represent the most popular airlines when flying from Houston George Bush Intcntl Airport to Phnom Penh.

What is the cheapest day to fly round-trip from Houston George Bush Intcntl Airport to Phnom Penh?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 28% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Phnom Penh?

October is one of the best times of the year to fly to Phnom Penh from Houston George Bush Intcntl Airport. Prices for October average $1,432 per person but you can even find prices for as low as $1,077. The most expensive prices can be found in the month of December. Opting for a October flight can save you 53% on your journey compared to booking in December

What is the cheapest time of day to fly from IAH to PNH?

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Phnom Penh is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 21% on airfare.

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.

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.

$502+ Flights from Houston George Bush Intcntl Airport to Phnom Penh

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phnom Penh Pochentong are usually found in February or September, 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

Round-trip from	$1,051 (FlightHub)
One-way from	$502 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$2,069

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

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($300 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Sat 9/207:28 pmIAH - PNH

2 stops49h 12mSingapore Airlines

Sat 11/89:35 amPNH - IAH

2 stops45h 39mSingapore Airlines

Deal found 7/3

$1,051

Sun 9/78:00 amIAH - PNH

2 stops26h 55mAsiana Airlines

Thu 9/2511:55 pmPNH - IAH

2 stops42h 29mAsiana Airlines

Deal found 7/1

$1,120

Sat 9/61:10 amIAH - PNH

1 stop22h 05mEVA Air

Thu 9/2512:35 pmPNH - IAH

1 stop21h 50mEVA Air

Deal found 7/1

$1,148

Mon 8/46:10 pmIAH - PNH

2 stops34h 05mQatar Airways

Mon 9/225:40 pmPNH - IAH

2 stops34h 10mQatar Airways

Deal found 7/3

$1,152

Sat 9/206:00 amIAH - PNH

2 stops28h 10mMultiple Airlines

Sat 11/89:00 amPNH - IAH

3 stops28h 19mMultiple Airlines

Deal found 7/1

$1,159

Best flights from George Bush Intcntl to Phnom Penh
Discover carefully curated flight deals from George Bush Intcntl to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 9/207:28 pmIAH - PNH

2 stops49h 12mSingapore Airlines

Sat 11/89:35 amPNH - IAH

2 stops45h 39mSingapore Airlines

Deal found 7/3

$1,051

Sun 9/78:00 amIAH - PNH

2 stops26h 55mAsiana Airlines

Thu 9/2511:55 pmPNH - IAH

2 stops42h 29mAsiana Airlines

Deal found 7/1

$1,120

Sat 9/61:10 amIAH - PNH

1 stop22h 05mEVA Air

Thu 9/2512:35 pmPNH - IAH

1 stop21h 50mEVA Air

Deal found 7/1

$1,148

Mon 8/46:10 pmIAH - PNH

2 stops34h 05mQatar Airways

Mon 9/225:40 pmPNH - IAH

2 stops34h 10mQatar Airways

Deal found 7/3

$1,152

Sat 9/206:00 amIAH - PNH

2 stops28h 10mMultiple Airlines

Sat 11/89:00 amPNH - IAH

3 stops28h 19mMultiple Airlines

Deal found 7/1

$1,159

Last-minute flights from George Bush Intcntl to Phnom Penh
Discover last-minute flight deals from George Bush Intcntl to Phnom Penh. Data last updated July 3, 2025 and is based on user searches.

Sun 7/66:50 pmIAH - PNH

2 stops40h 05mAsiana Airlines

Sun 7/2711:55 pmPNH - IAH

2 stops41h 50mAsiana Airlines

Deal found 7/3

$1,498

Tue 7/86:15 pmIAH - PNH

2 stops40h 40mUnited Airlines

Sun 7/2711:55 pmPNH - IAH

2 stops32h 53mUnited Airlines

Deal found 7/1

$4,939

Tue 7/87:20 amIAH - PNH

2 stops51h 45mAir China

Sat 7/2612:20 amPNH - IAH

2 stops36h 13mAir China

Deal found 7/1

$14,193

Wed 7/97:44 pmIAH - PNH

2 stops40h 31mPhilippine Airlines

Sat 7/261:15 amPNH - IAH

2 stops29h 59mPhilippine Airlines

Deal found 7/1

$8,776

Thu 7/108:00 pmIAH - PNH

2 stops29h 10mAir Canada

Wed 7/306:55 pmPNH - IAH

2 stops35h 50mAir Canada

Deal found 7/1

$7,288

Fri 7/111:35 amIAH - PNH

1 stop21h 40mEVA Air

Sun 7/2012:35 pmPNH - IAH

2 stops39h 05mEVA Air

Deal found 7/2

$1,682

Fri 7/111:35 amIAH - PNH

2 stops30h 20mMultiple Airlines

Sun 7/2012:35 pmPNH - IAH

2 stops39h 05mMultiple Airlines

Deal found 7/2

$1,752

Sat 7/126:25 pmIAH - PNH

2 stops33h 50mQatar Airways

Sun 7/205:40 pmPNH - IAH

2 stops34h 10mQatar Airways

Deal found 7/2

$1,238

Sun 8/31:35 amIAH - PNH

1 stop21h 40mEVA Air

Mon 9/2212:35 pmPNH - IAH

1 stop21h 50mEVA Air

Deal found 7/3

$1,151

Mon 8/46:10 pmIAH - PNH

2 stops34h 05mQatar Airways

Mon 9/225:40 pmPNH - IAH

2 stops34h 10mQatar Airways

Deal found 7/3

$1,152

Fri 8/1510:00 pmIAH - PNH

2 stops31h 20mMultiple Airlines

Thu 8/211:15 amPNH - IAH

2 stops33h 20mMultiple Airlines

Deal found 7/1

$1,172

One-way flights from George Bush Intcntl to Phnom Penh
Search for one-way flight options from George Bush Intcntl to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 10/285:45 amIAH - PNH

2 stops28h 40mMultiple Airlines

Deal found 7/1

$502

Tue 9/231:10 amIAH - PNH

1 stop22h 05mEVA Air

Deal found 7/2

$674

Mon 10/276:50 pmIAH - PNH

2 stops32h 35mQatar Airways

Deal found 7/1

$693

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 9/20

7:28 pm-8:40 am

2 stops49h 12m

Phnom Penh Pochentong

Sat 11/8

9:35 am-6:14 pm

2 stops45h 39m

$1,051

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 9/7

8:00 am-10:55 pm

2 stops26h 55m

Phnom Penh Pochentong

Thu 9/25

11:55 pm-6:24 am

2 stops42h 29m

$1,120

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 9/6

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Thu 9/25

12:35 pm-10:25 pm

1 stop21h 50m

$1,148

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 8/4

6:10 pm-4:15 pm

2 stops34h 05m

Phnom Penh Pochentong

Mon 9/22

5:40 pm-3:50 pm

2 stops34h 10m

$1,152

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 9/20

6:00 am-10:10 pm

2 stops28h 10m

Phnom Penh Pochentong

Sat 11/8

9:00 am-12:19 am

3 stops28h 19m

$1,159

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 10/28

5:45 am-10:25 pm

2 stops28h 40m

$502

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 9/23

1:10 am-11:15 am

1 stop22h 05m

$674

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 10/27

6:50 pm-3:25 pm

2 stops32h 35m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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?

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 $989). Flying from Houston George Bush Intcntl Airport to Phnom Penh in June is currently the most expensive (average of $1,555). 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.

Reviews of airlines servicing Phnom Penh

Get a feel of what it's like to fly with EVA Air, Asiana Airlines, and Singapore Airlines 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

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,215 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Asiana Airlines

8.2

Very good

452 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Singapore Airlines

8.1

Very good

1,320 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Qatar Airways

7.4

Good

3,594 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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.
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 $1,051 on this airline. Additional options worth looking into are Asiana Airlines and EVA Air, starting at $1,120 and $1,148 round-trip. Singapore Airlines is currently priced 22% 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 $989). Flying from Houston George Bush Intcntl Airport to Phnom Penh in June is currently the most expensive (average of $1,555). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from George Bush Intcntl to Phnom Penh

Airline	Cheapest	Average	Flexibility	On-time
EVA Air	Cheapest$865	Average$1,293	FlexibilityNo cancel fee	On-time74%
Singapore Airlines	Cheapest$943	Average$1,125	FlexibilityNo cancel fee	On-time81%
Turkish Airlines	Cheapest$997	Average$1,053	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,203	Average$1,269	FlexibilityNo cancel fee	On-time68%

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$502+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to Phnom Penh with Cheapflights

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phnom Penh Pochentong are usually found in February or September, 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

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Find flight deals from George Bush Intcntl to Phnom Penh

Cheapest flights from George Bush Intcntl to Phnom PenhExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Phnom Penh that are best for you.

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.

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 June 27, 2025.

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

Reviews of airlines servicing Phnom Penh

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?

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

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

How can I 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?

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

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Alternative routes for George Bush Intcntl to Phnom Penh

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Top 4 airlines flying from George Bush Intcntl to Phnom Penh

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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 July 3, 2025.