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Phnom Penh

$536+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PNH
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$1,017
(FlightHub)

One-way from

$536
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,185
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. 10% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($60 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 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 August 1, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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 10/227:10 pmIAH - PNH
2 stops49h 30mSingapore Airlines
Thu 10/309:35 amPNH - IAH
2 stops44h 51mSingapore Airlines
Deal found 7/31$1,017
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Sun 8/3111:24 amIAH - PNH
2 stops48h 51mMultiple Airlines
Sat 11/11:15 amPNH - IAH
2 stops31h 08mMultiple Airlines
Deal found 7/30$1,042
This Ovago deal was found by Cheapflights users on 8/1. 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 8/47:44 pmIAH - PNH
2 stops33h 36mCathay Pacific
Thu 9/411:25 amPNH - IAH
2 stops23h 07mCathay Pacific
Deal found 8/1$1,068
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 8/31:35 amIAH - PNH
1 stop21h 40mEVA Air
Tue 9/212:35 pmPNH - IAH
1 stop21h 50mEVA Air
Deal found 7/31$1,128
This oojo deal was found by Cheapflights users on 7/31. 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 10/266:40 pmIAH - PNH
2 stops32h 45mQatar Airways
Fri 12/125:10 pmPNH - IAH
2 stops35h 10mQatar Airways
Deal found 7/31$1,178
This Korean Air deal was found by Cheapflights users on 7/31. 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.
Sun 8/248:51 amHOU - PNH
2 stops25h 19mMultiple Airlines
Sun 8/3111:30 pmPNH - HOU
2 stops28h 20mMultiple Airlines
Deal found 7/31$1,547
This oojo deal was found by Cheapflights users on 8/1. 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.
Mon 9/152:33 pmHOU - PNH
3 stops37h 42mQatar Airways
Mon 9/225:40 pmPNH - HOU
3 stops32h 23mQatar Airways
Deal found 8/1$1,696
This Korean Air deal was found by Cheapflights users on 7/31. 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.
Fri 11/216:00 amHOU - PNH
2 stops27h 25mKorean Air
Mon 12/111:45 pmPNH - HOU
2 stops25h 27mKorean Air
Deal found 7/31$1,924

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 August 1, 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

Wed 10/22

7:10 pm-8:40 am

2 stops49h 30m

Phnom Penh Pochentong

Thu 10/30

9:35 am-6:26 pm

2 stops44h 51m

$1,017

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 8/31

11:24 am-12:15 am

2 stops48h 51m

Phnom Penh Pochentong

Sat 11/1

1:15 am-8:23 pm

2 stops31h 08m

$1,042

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 9/7

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Tue 9/30

12:35 pm-10:25 pm

1 stop21h 50m

$1,150

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sun 10/26

6:40 pm-3:25 pm

2 stops32h 45m

Phnom Penh Pochentong

Fri 12/12

5:10 pm-3:20 pm

2 stops35h 10m

$1,178

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Sun 8/24

8:51 am-10:10 pm

2 stops25h 19m

Phnom Penh Pochentong

Sun 8/31

11:30 pm-3:50 pm

2 stops28h 20m

$1,547

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Mon 9/15

2:33 pm-4:15 pm

3 stops37h 42m

Phnom Penh Pochentong

Mon 9/22

5:40 pm-2:03 pm

3 stops32h 23m

$1,696

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Fri 11/21

6:00 am-10:25 pm

2 stops27h 25m

Phnom Penh Pochentong

Mon 12/1

11:45 pm-12:12 pm

2 stops25h 27m

$1,924

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 8/30

7:00 pm-11:20 am

3 stops52h 20m

$536

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 8/29

1:35 am-11:15 am

1 stop21h 40m

$766

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Sat 8/30

6:30 pm-10:15 am

2 stops27h 45m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 11 results
1
2

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 $988). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,549). 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 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 1, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and Singapore Airlines from Houston to Phnom Penh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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
1,122 reviews
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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
1,338 reviews
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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
Cathay Pacific
7.6
Good
951 reviews
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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
3,609 reviews
EVA Air
8.4
Very good
1,220 reviews

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

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 4 different airlines.

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

    Singapore Airlines, at $1,017, was found to be the cheapest airline from Houston to Phnom Penh.Alternate airlines to your destination round-trip include EVA Air and Qatar Airways. Singapore Airlines is priced at 28% 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 $766. Users have also found prices from $771 and $878 on Cathay Pacific 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 $988). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,549). 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 4 airlines flying from Houston to Phnom Penh

Discover the top 4 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$856Average$943FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$976Average$1,051FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,070Average$1,277FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,211Average$1,278FlexibilityNo cancel feeOn-time68%

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