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Cheap flights from Houston to Phnom Penh from $536

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Phnom Penh departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston to Phnom Penh

Cheap round-trip flights

Logo
9:26 pm - 11:15 pmIAH-PNH
37h 49m2 stops
Logo
12:10 am - 10:35 pmPNH-IAH
34h 25m2 stops
$950
Find Deal
mar., ago. 12 - sáb., ago. 30
Turkish Airlines Logo
9:05 pm - 2:40 pmIAH-PNH
28h 35m2 stops
Turkish Airlines Logo
7:15 pm - 7:10 pmPNH-IAH
36h 55m2 stops
$952Turkish Airlines
Find Deal
mar., dic. 9 - lun., dic. 22
Singapore Airlines Logo
7:10 pm - 8:40 amIAH-PNH
49h 30m2 stops
Singapore Airlines Logo
9:35 am - 6:26 pmPNH-IAH
44h 51m2 stops
$1,017Singapore Airlines
Find Deal
mié., oct. 22 - jue., oct. 30
Logo
11:24 am - 12:15 amIAH-PNH
48h 51m2 stops
Logo
1:15 am - 8:23 pmPNH-IAH
31h 08m2 stops
$1,042
Find Deal
dom., ago. 31 - sáb., nov. 1
EVA Air Logo
1:10 am - 11:15 amIAH-PNH
22h 05m1 stop
EVA Air Logo
12:35 pm - 10:25 pmPNH-IAH
21h 50m1 stop
$1,150EVA Air
Find Deal
dom., sep. 7 - mar., sep. 30
Qatar Airways Logo
6:25 pm - 4:15 pmIAH-PNH
33h 50m2 stops
Qatar Airways Logo
5:10 pm - 4:20 pmPNH-IAH
35h 10m2 stops
$1,178Qatar Airways
Find Deal
mar., oct. 7 - mar., oct. 28
Qatar Airways Logo
6:40 pm - 3:25 pmIAH-PNH
32h 45m2 stops
Qatar Airways Logo
5:10 pm - 3:20 pmPNH-IAH
35h 10m2 stops
$1,180Qatar Airways
Find Deal
lun., oct. 27 - vie., dic. 19
EVA Air Logo
1:35 am - 11:15 amIAH-PNH
21h 40m1 stop
EVA Air Logo
12:35 pm - 10:50 pmPNH-IAH
22h 15m1 stop
$1,188EVA Air
Find Deal
lun., ago. 11 - dom., ago. 31
Korean Air Logo
6:37 pm - 10:10 pmHOU-PNH
39h 33m2 stops
Korean Air Logo
11:30 pm - 10:37 pmPNH-HOU
35h 07m2 stops
$1,951Korean Air
Find Deal
sáb., sep. 13 - sáb., sep. 20
Korean Air Logo
6:15 am - 10:10 pmHOU-PNH
27h 55m2 stops
Korean Air Logo
11:45 pm - 11:00 pmPNH-HOU
36h 15m2 stops
$2,003Korean Air
Find Deal
dom., ago. 31 - dom., nov. 2

EVA Air flights from Houston to Phnom Penh

Our best EVA Air deals on Houston to Phnom Penh flight tickets
EVA Air
Sep 7
IAH1:10 amHouston George Bush Intcntl
22h 05m
1 stop
PNH11:15 amPhnom Penh Pochentong
Sep 30
PNH12:35 pmPhnom Penh Pochentong
21h 50m
1 stop
IAH10:25 pmHouston George Bush Intcntl
$1,150
Find similar
EVA Air
Aug 11
IAH1:35 amHouston George Bush Intcntl
21h 40m
1 stop
PNH11:15 amPhnom Penh Pochentong
Aug 31
PNH12:35 pmPhnom Penh Pochentong
22h 15m
1 stop
IAH10:50 pmHouston George Bush Intcntl
$1,188
Find similar
EVA Air
Oct 6
IAH1:00 amHouston George Bush Intcntl
22h 15m
1 stop
PNH11:15 amPhnom Penh Pochentong
Oct 28
PNH12:45 pmPhnom Penh Pochentong
21h 15m
1 stop
IAH10:00 pmHouston George Bush Intcntl
$1,196
Find similar

Qatar Airways flights from Houston to Phnom Penh

Our best Qatar Airways deals on Houston to Phnom Penh flight tickets
Qatar Airways
Oct 7
IAH6:25 pmHouston George Bush Intcntl
33h 50m
2 stops
PNH4:15 pmPhnom Penh Pochentong
Oct 28
PNH5:10 pmPhnom Penh Pochentong
35h 10m
2 stops
IAH4:20 pmHouston George Bush Intcntl
$1,178
Find similar
Qatar Airways
Oct 27
IAH6:40 pmHouston George Bush Intcntl
32h 45m
2 stops
PNH3:25 pmPhnom Penh Pochentong
Dec 19
PNH5:10 pmPhnom Penh Pochentong
35h 10m
2 stops
IAH3:20 pmHouston George Bush Intcntl
$1,180
Find similar
Qatar Airways
Oct 26
IAH6:40 pmHouston George Bush Intcntl
32h 45m
2 stops
PNH3:25 pmPhnom Penh Pochentong
Dec 19
PNH5:10 pmPhnom Penh Pochentong
35h 10m
2 stops
IAH3:20 pmHouston George Bush Intcntl
$1,185
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Houston 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

mar. 8/12

9:26 pm-11:15 pm

2 stops37h 49m

Phnom Penh Pochentong

sáb. 8/30

12:10 am-10:35 pm

2 stops34h 25m

$950

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

mar. 12/9

9:05 pm-2:40 pm

2 stops28h 35m

Phnom Penh Pochentong

lun. 12/22

7:15 pm-7:10 pm

2 stops36h 55m

$952

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

mié. 10/22

7:10 pm-8:40 am

2 stops49h 30m

Phnom Penh Pochentong

jue. 10/30

9:35 am-6:26 pm

2 stops44h 51m

$1,017

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

dom. 8/31

11:24 am-12:15 am

2 stops48h 51m

Phnom Penh Pochentong

sáb. 11/1

1:15 am-8:23 pm

2 stops31h 08m

$1,042

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

dom. 9/7

1:10 am-11:15 am

1 stop22h 05m

Phnom Penh Pochentong

mar. 9/30

12:35 pm-10:25 pm

1 stop21h 50m

$1,150

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

mar. 10/7

6:25 pm-4:15 pm

2 stops33h 50m

Phnom Penh Pochentong

mar. 10/28

5:10 pm-4:20 pm

2 stops35h 10m

$1,178

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

lun. 10/27

6:40 pm-3:25 pm

2 stops32h 45m

Phnom Penh Pochentong

vie. 12/19

5:10 pm-3:20 pm

2 stops35h 10m

$1,180

HoustonPhnom Penh

IAH - PNH

IAHPNH

Houston George Bush Intcntl

lun. 8/11

1:35 am-11:15 am

1 stop21h 40m

Phnom Penh Pochentong

dom. 8/31

12:35 pm-10:50 pm

1 stop22h 15m

$1,188

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

sáb. 9/13

6:37 pm-10:10 pm

2 stops39h 33m

Phnom Penh Pochentong

sáb. 9/20

11:30 pm-10:37 pm

2 stops35h 07m

$1,951

HoustonPhnom Penh

HOU - PNH

HOUPNH

Houston Hobby

dom. 8/31

6:15 am-10:10 pm

2 stops27h 55m

Phnom Penh Pochentong

dom. 11/2

11:45 pm-11:00 pm

2 stops36h 15m

$2,003

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Houston to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

In general, September is the cheapest month to fly from Houston to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,182. If you aren’t able to travel to Phnom Penh during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,183.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Houston to Phnom Penh is on a Sunday. Travelers who choose to depart for Phnom Penh on a Sunday will often find tickets for as low as $1,206. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Phnom Penh for around $1,553.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the morning. momondo users have found flights departing from Houston to Phnom Penh in the morning for as low as $1,202. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the evening, with an average ticket price of $1,480. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Houston to Phnom Penh flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Phnom Penh

Best Price Found

$536

Fastest flight time

21h 40m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from Houston in the past 72 hours is $536. The best round-trip flight deal from Houston to Phnom Penh found on momondo in the last 72 hours is $950.
The fastest flight from Houston to Phnom Penh takes 21h 40m
There are no direct flights from Houston to Phnom Penh. Popular non-direct routes for this connection are Houston George Bush Intcntl Airport - Phnom Penh Pochentong Airport and Houston Hobby Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)
Search flight deals

  • How far is Houston to Phnom Penh Pochentong by plane?

    Houston and Phnom Penh Pochentong are 9272.1 mi apart from one another. In terms of flight time, this usually takes a little over 21h 40m.

  • When did momondo last update prices for flights from Houston to Phnom Penh Pochentong Airport?

    Prices for flights from Houston to Phnom Penh Pochentong Airport refresh daily.

  • How many operators does momondo search for flights from Houston to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Houston to Phnom Penh Pochentong Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The necessary travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Phnom Penh

Compare and see reviews for airlines that fly from Houston to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $856Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
Turkish AirlinesPriceFrom $976Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,070Free CancellationRating
8.4
1,220 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,211Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Phnom Penh?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phnom Penh from Houston.

Can I find flights from Houston to Phnom Penh with flexible booking policies on momondo?

Flights from Houston to Phnom Penh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Phnom Penh?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phnom Penh from Houston.

I’m not ready to book a flight from Houston to Phnom Penh right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Phnom Penh flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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