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Cheap flights from Houston George Bush Intcntl Airport to Siem Reap from $1,720

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Siem Reap departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:45 pm - 9:00 am
IAH
-
SAI
28h 15m
2 stops
Multiple Airlines Logo
7:25 pm - 3:44 pm
SAI
-
IAH
32h 19m
2 stops
$1,720Multiple Airlines
Wed, May 27 - Tue, Jun 16
Multiple Airlines Logo
6:15 am - 9:40 am
IAH
-
SAI
39h 25m
3 stops
Multiple Airlines Logo
10:30 am - 2:55 pm
SAI
-
IAH
40h 25m
2 stops
$1,741Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
9:05 pm - 6:45 pm
IAH
-
SAI
33h 40m
2 stops
Multiple Airlines Logo
7:25 pm - 7:10 pm
SAI
-
IAH
35h 45m
2 stops
$1,911Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
6:15 am - 9:40 am
IAH
-
SAI
39h 25m
3 stops
Multiple Airlines Logo
10:30 am - 11:31 pm
SAI
-
IAH
49h 01m
3 stops
$1,933Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
KLM Logo
3:50 pm - 6:45 pm
IAH
-
SAI
38h 55m
2 stops
KLM Logo
7:25 pm - 1:40 pm
SAI
-
IAH
54h 15m
2 stops
$1,954KLM
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
11:55 am - 6:45 pm
IAH
-
SAI
42h 50m
3 stops
Multiple Airlines Logo
10:30 am - 4:30 pm
SAI
-
IAH
42h 00m
2 stops
$1,982Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
11:35 am - 6:40 pm
IAH
-
SAI
43h 05m
2 stops
Multiple Airlines Logo
7:10 pm - 3:00 pm
SAI
-
IAH
31h 50m
2 stops
$2,017Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
6:40 pm - 10:50 am
IAH
-
SAI
52h 10m
3 stops
Multiple Airlines Logo
2:55 pm - 3:55 pm
SAI
-
IAH
37h 00m
3 stops
$2,026Multiple Airlines
Tue, Jun 2 - Tue, Jun 30
Emirates Logo
2:37 pm - 9:30 pm
IAH
-
SAI
42h 53m
3 stops
Emirates Logo
11:50 pm - 4:50 pm
SAI
-
IAH
29h 00m
2 stops
$2,182Emirates
Tue, Jun 2 - Tue, Jun 30
Multiple Airlines Logo
8:15 pm - 6:45 pm
IAH
-
SAI
34h 30m
3 stops
Multiple Airlines Logo
7:25 pm - 4:30 pm
SAI
-
IAH
33h 05m
2 stops
$2,361Multiple Airlines
Wed, May 27 - Tue, Jun 16

Emirates flights from Houston George Bush Intcntl Airport to Region of Siem Reap

Our best Emirates deals on Houston George Bush Intcntl Airport to Region of Siem Reap flight tickets
Emirates
Jun 2
IAH2:37 pmHouston George Bush Intcntl
42h 53m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Jun 30
SAI11:50 pmSiem Reap–Angkor Intl
29h 00m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$2,182
Emirates
May 27
IAH8:25 pmHouston George Bush Intcntl
61h 05m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Jun 16
SAI11:50 pmSiem Reap–Angkor Intl
33h 46m
3 stops
IAH9:36 pmHouston George Bush Intcntl
$2,817

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Region of Siem Reap 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 February 7, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 5/27

4:45 pm-9:00 am

2 stops28h 15m

Siem Reap–Angkor Intl

Tue 6/16

7:25 pm-3:44 pm

2 stops32h 19m

$1,720

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

6:15 am-9:40 am

3 stops39h 25m

Siem Reap–Angkor Intl

Tue 6/30

10:30 am-2:55 pm

2 stops40h 25m

$1,741

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

9:05 pm-6:45 pm

2 stops33h 40m

Siem Reap–Angkor Intl

Tue 6/30

7:25 pm-7:10 pm

2 stops35h 45m

$1,911

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

6:15 am-9:40 am

3 stops39h 25m

Siem Reap–Angkor Intl

Tue 6/30

10:30 am-11:31 pm

3 stops49h 01m

$1,933

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

3:50 pm-6:45 pm

2 stops38h 55m

Siem Reap–Angkor Intl

Tue 6/30

7:25 pm-1:40 pm

2 stops54h 15m

$1,954

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

11:55 am-6:45 pm

3 stops42h 50m

Siem Reap–Angkor Intl

Tue 6/30

10:30 am-4:30 pm

2 stops42h 00m

$1,982

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

11:35 am-6:40 pm

2 stops43h 05m

Siem Reap–Angkor Intl

Tue 6/30

7:10 pm-3:00 pm

2 stops31h 50m

$2,017

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

6:40 pm-10:50 am

3 stops52h 10m

Siem Reap–Angkor Intl

Tue 6/30

2:55 pm-3:55 pm

3 stops37h 00m

$2,026

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Tue 6/2

2:37 pm-9:30 pm

3 stops42h 53m

Siem Reap–Angkor Intl

Tue 6/30

11:50 pm-4:50 pm

2 stops29h 00m

$2,182

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 5/27

8:15 pm-6:45 pm

3 stops34h 30m

Siem Reap–Angkor Intl

Tue 6/16

7:25 pm-4:30 pm

2 stops33h 05m

$2,361

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Houston George Bush Intcntl Airport to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Region of Siem Reap

Fastest flight time

28h 15m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Region of Siem Reap takes 28h 15m
There are no direct flights from Houston George Bush Intcntl Airport to Region of Siem Reap. There are no popular flight routes from Houston George Bush Intcntl Airport to Region of Siem Reap.
Search flight deals

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Siem Reap?

    Prices for flights from Houston George Bush Intcntl Airport to Siem Reap refresh daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Siem Reap?

    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 George Bush Intcntl Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap 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.

  • How do I get Price Alerts for flights from Houston George Bush Intcntl Airport to Region of Siem Reap?

    Search flight deals from Houston George Bush Intcntl Airport to Region of Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Houston George Bush Intcntl Airport to Region of Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Siem Reap?

It is quick and easy to find Houston to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

Can I find flights from Houston to Siem Reap with flexible booking policies on momondo?

All flight searches from Houston to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Siem Reap?

Once all potential Houston to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Houston to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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