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Phnom Penh

$547+ Cheap flights from Houston 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PNH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Houston to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 June 12, 2025.

Round-trip from

$1,254
(EVA Air)

One-way from

$547
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$1,945
From Houston to Phnom Penh Pochentong
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One-way flight from Houston to Phnom Penh Pochentong
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Highest demand for flights based on searches. 11% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Houston to Phnom Penh

Cheapest flights from Houston to Phnom Penh
Explore the most affordable flight options available from Houston to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This EVA Air deal was found by Cheapflights users on 6/10. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:10 amIAH - PNH
1 stop22h 05mEVA Air
Sat 11/812:45 pmPNH - IAH
1 stop21h 05mEVA Air
Deal found 6/10$1,254
This Gurufare deal was found by Cheapflights users on 6/10. 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.
Sat 9/201:10 amIAH - PNH
2 stops25h 15mMultiple Airlines
Sat 11/810:55 amPNH - IAH
2 stops22h 55mMultiple Airlines
Deal found 6/10$1,259
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sat 9/278:00 amIAH - PNH
3 stops44h 15mQatar Airways
Sun 11/95:10 pmPNH - IAH
2 stops35h 20mQatar Airways
Deal found 6/11$1,299
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Fri 10/107:10 pmIAH - PNH
2 stops58h 30mSingapore Airlines
Thu 10/166:55 pmPNH - IAH
2 stops35h 15mSingapore Airlines
Deal found 6/11$1,321
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/76:50 pmIAH - PNH
2 stops40h 05mAsiana Airlines
Mon 7/1411:55 pmPNH - IAH
2 stops36h 38mAsiana Airlines
Deal found 6/10$1,398
This oojo deal was found by Cheapflights users on 6/10. 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 7/16:00 amIAH - PNH
2 stops46h 05mChina Airlines
Sun 9/710:50 amPNH - IAH
2 stops31h 34mChina Airlines
Deal found 6/10$1,558
This oojo deal was found by Cheapflights users on 6/11. 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.
Sun 9/286:00 amIAH - PNH
2 stops54h 15mPhilippine Airlines
Fri 11/71:15 amPNH - IAH
2 stops51h 55mPhilippine Airlines
Deal found 6/11$1,559
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:04 amHOU - PNH
2 stops25h 06mMultiple Airlines
Tue 9/1611:30 pmPNH - HOU
2 stops26h 33mMultiple Airlines
Deal found 6/10$1,577
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 12/99:05 pmIAH - PNH
2 stops28h 35mTurkish Airlines
Mon 12/227:15 pmPNH - IAH
2 stops36h 55mTurkish Airlines
Deal found 6/11$1,636
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:36 pmIAH - PNH
2 stops44h 29mAir China
Thu 9/2512:20 amPNH - IAH
2 stops46h 32mAir China
Deal found 6/10$1,647
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:40 amIAH - PNH
2 stops48h 15mUnited Airlines
Mon 12/2211:55 pmPNH - IAH
2 stops37h 20mUnited Airlines
Deal found 6/10$1,739
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:22 amIAH - PNH
2 stops27h 48mKorean Air
Sun 7/2011:30 pmPNH - IAH
2 stops35h 54mKorean Air
Deal found 6/10$1,774

Cheapflights Fare Finder

Customize your flight search to find flights from Houston 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 June 12, 2025.
Use the filters below to find and compare flights from Houston to Phnom Penh that are best for you.

Fly from

Houston

Fly to

Phnom Penh

Route

Depart

Return

Price

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 9/22

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Sat 11/8

12:45 pm-8:50 pm

1 stop21h 05m

$1,254

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 9/20

1:10 am-2:25 pm

2 stops25h 15m

Phnom Penh Pochentong

Sat 11/8

10:55 am-8:50 pm

2 stops22h 55m

$1,259

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 9/27

8:00 am-4:15 pm

3 stops44h 15m

Phnom Penh Pochentong

Sun 11/9

5:10 pm-3:30 pm

2 stops35h 20m

$1,299

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 10/10

7:10 pm-5:40 pm

2 stops58h 30m

Phnom Penh Pochentong

Thu 10/16

6:55 pm-6:10 pm

2 stops35h 15m

$1,321

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 7/7

6:50 pm-10:55 pm

2 stops40h 05m

Phnom Penh Pochentong

Mon 7/14

11:55 pm-12:33 am

2 stops36h 38m

$1,398

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 7/1

6:00 am-4:05 pm

2 stops46h 05m

Phnom Penh Pochentong

Sun 9/7

10:50 am-6:24 am

2 stops31h 34m

$1,558

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 9/28

6:00 am-12:15 am

2 stops54h 15m

Phnom Penh Pochentong

Fri 11/7

1:15 am-4:10 pm

2 stops51h 55m

$1,559

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Tue 9/9

9:04 am-10:10 pm

2 stops25h 06m

Phnom Penh Pochentong

Tue 9/16

11:30 pm-2:03 pm

2 stops26h 33m

$1,577

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 12/9

9:05 pm-2:40 pm

2 stops28h 35m

Phnom Penh Pochentong

Mon 12/22

7:15 pm-7:10 pm

2 stops36h 55m

$1,636

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 9/19

2:36 pm-11:05 pm

2 stops44h 29m

Phnom Penh Pochentong

Thu 9/25

12:20 am-10:52 am

2 stops46h 32m

$1,647

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 19 results
1
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Best time to book a flight from Houston to Phnom Penh

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

What is the cheapest month to book a flight from Houston to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Houston to Phnom Penh (average of $991). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,570). 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.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

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.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
See what other customers who have flown with EVA Air, Korean Air and China Airlines from Houston to Phnom Penh have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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

Find useful and relevant information for your journey from Houston 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?

    If you book a flight to Phnom Penh from Houston, 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 to Pochentong per day from 3 different airlines.

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

    EVA Air, at $1,254, was found to be the cheapest airline from Houston to Phnom Penh.Alternate airlines to your destination round-trip include Qatar Airways and Singapore Airlines. EVA Air is priced at 12% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston to Phnom Penh one-way?

    For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $897. Users have also found prices from $1,233 and $1,493 on Korean Air and Qatar Airways, respectively.

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

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

  • How can I find direct flights from Houston to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Phnom Penh.

  • Can I find deals for business class flights from Houston to Phnom Penh?

    Yes. Cheapflights offers flight deals from Houston 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 to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Houston to Phnom Penh (average of $991). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,570). 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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Top 3 airlines flying from Houston to Phnom Penh

Discover the top 3 airlines that operate flights from Houston 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$864Average$1,285FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$943Average$1,125FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,203Average$1,269FlexibilityNo cancel feeOn-time68%

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