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Phnom Penh

$602+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PNH
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$1,249
(FlightHub)

One-way from

$602
(Kiwi.com)

Popular in

June

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. 20% potential increase in price ($361 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/22. 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.
Sat 9/131:10 amIAH - PNH
1 stop22h 05mEVA Air
Sun 10/2612:45 pmPNH - IAH
1 stop21h 15mEVA Air
Deal found 4/22$1,184
This oojo deal was found by Cheapflights users on 4/23. 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 9/161:10 amIAH - PNH
1 stop22h 05mMultiple Airlines
Sat 11/18:55 pmPNH - IAH
2 stops60h 55mMultiple Airlines
Deal found 4/23$1,193
This FlightHub deal was found by Cheapflights users on 4/22. 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 9/156:10 pmIAH - PNH
2 stops34h 05mQatar Airways
Sun 10/265:10 pmPNH - IAH
2 stops35h 20mQatar Airways
Deal found 4/22$1,194
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:01 pmIAH - PNH
2 stops33h 39mAir Canada
Wed 10/297:45 pmPNH - IAH
2 stops55h 23mAir Canada
Deal found 4/22$1,199
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Sun 9/148:00 pmIAH - PNH
2 stops40h 15mPhilippine Airlines
Fri 10/311:15 amPNH - IAH
2 stops51h 55mPhilippine Airlines
Deal found 4/23$1,421
This Ovago deal was found by Cheapflights users on 4/23. 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.
Tue 10/287:40 amIAH - PNH
2 stops51h 30mAir China
Sun 11/912:25 amPNH - IAH
2 stops47h 50mAir China
Deal found 4/23$1,642
This Gurufare deal was found by Cheapflights users on 4/23. 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.
Fri 5/167:44 pmIAH - PNH
2 stops50h 31mCathay Pacific
Sun 6/16:30 pmPNH - IAH
2 stops39h 27mCathay Pacific
Deal found 4/23$1,654
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:20 pmIAH - PNH
3 stops38h 15mEmirates
Fri 10/318:35 pmPNH - IAH
2 stops32h 45mEmirates
Deal found 4/23$1,685
This oojo deal was found by Cheapflights users on 4/22. 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.
Wed 9/178:20 pmHOU - PNH
3 stops55h 55mQatar Airways
Sat 11/15:10 pmPNH - HOU
3 stops35h 45mQatar Airways
Deal found 4/22$1,831
This Korean Air deal was found by Cheapflights users on 4/22. 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 5/139:12 amHOU - PNH
2 stops24h 58mMultiple Airlines
Tue 5/2011:30 pmPNH - HOU
2 stops26h 28mMultiple Airlines
Deal found 4/22$1,968
This Gurufare deal was found by Cheapflights users on 4/23. 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.
Fri 5/166:00 amHOU - PNH
2 stops28h 10mKorean Air
Sun 6/111:30 pmPNH - HOU
2 stops28h 08mKorean Air
Deal found 4/23$2,186

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 April 24, 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 5/12

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

Tue 5/20

12:35 pm-10:20 pm

1 stop21h 45m

$1,249

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Sat 4/26

6:10 pm-4:15 pm

1 stop34h 05m

Phnom Penh Pochentong

Sat 5/17

5:40 pm-3:50 pm

2 stops34h 10m

$1,257

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Tue 5/13

6:20 am-10:55 pm

2 stops28h 35m

Phnom Penh Pochentong

Tue 5/20

11:55 pm-6:42 pm

2 stops30h 47m

$1,398

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 5/16

7:44 pm-10:15 am

2 stops50h 31m

Phnom Penh Pochentong

Sun 6/1

6:30 pm-9:57 pm

2 stops39h 27m

$1,654

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Tue 5/13

9:12 am-10:10 pm

2 stops24h 58m

Phnom Penh Pochentong

Tue 5/20

11:30 pm-1:58 pm

2 stops26h 28m

$1,968

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Fri 5/16

6:00 am-10:10 pm

2 stops28h 10m

Phnom Penh Pochentong

Sun 6/1

11:30 pm-3:38 pm

2 stops28h 08m

$2,186

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

Fri 5/16

8:16 pm-4:15 pm

3 stops31h 59m

Phnom Penh Pochentong

Sun 6/1

5:40 pm-1:58 pm

3 stops56h 18m

$2,436

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 6/2

1:30 pm-1:10 pm

3 stops35h 40m

Phnom Penh Pochentong

Mon 6/30

2:05 pm-11:59 pm

2 stops45h 54m

$2,487

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Mon 6/30

2:14 pm-4:35 pm

3 stops38h 21m

Phnom Penh Pochentong

Thu 7/31

8:50 pm-4:50 pm

2 stops32h 00m

$2,644

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

Fri 5/16

5:00 pm-11:05 pm

2 stops42h 05m

Phnom Penh Pochentong

Sat 5/31

12:20 am-11:33 pm

2 stops35h 13m

$2,730

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 results
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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 $994). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,582). 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 April 24, 2025.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,290 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,206 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $1,249, was found to be the cheapest airline from Houston to Phnom Penh.Alternate airlines to your destination round-trip include Qatar Airways and Cathay Pacific. EVA Air is priced at 11% 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 $800. Users have also found prices from $842 and $1,036 on Qatar Airways and China Airlines, 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 $994). Flying from Houston to Phnom Penh in June is currently the most expensive (average of $1,582). 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

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$856Average$1,125FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$864Average$1,259FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,203Average$1,284FlexibilityNo cancel feeOn-time68%

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