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Cheap flights from Houston George Bush Intcntl Airport to Siem Reap from $799

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 George Bush Intcntl Airport to Siem Reap departing on 4/25. 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
1 adult, Economy, 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.
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
11:50 pm - 4:50 pm
SAI
-
IAH
29h 00m
2 stops
$1,534Emirates
Wed, Apr 22 - Thu, May 7
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
1:05 pm - 4:50 pm
SAI
-
IAH
39h 45m
2 stops
$1,535Emirates
Wed, Apr 22 - Fri, May 8
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
11:50 pm - 4:50 pm
SAI
-
IAH
29h 00m
2 stops
$1,584Emirates
Wed, Apr 22 - Sat, May 9
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
11:50 pm - 4:50 pm
SAI
-
IAH
29h 00m
2 stops
$1,585Emirates
Sat, Apr 25 - Thu, May 7
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
1:05 pm - 4:50 pm
SAI
-
IAH
39h 45m
2 stops
$1,597Emirates
Mon, Apr 27 - Fri, May 8
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
1:05 pm - 4:50 pm
SAI
-
IAH
39h 45m
2 stops
$1,635Emirates
Sat, Apr 25 - Sun, May 3
Multiple Airlines Logo
1:00 am - 6:45 pm
IAH
-
SAI
29h 45m
2 stops
Multiple Airlines Logo
9:45 am - 10:20 pm
SAI
-
IAH
24h 35m
2 stops
$1,637Multiple Airlines
Thu, Apr 23 - Wed, May 6
Emirates Logo
8:26 pm - 9:30 pm
IAH
-
SAI
61h 04m
3 stops
Emirates Logo
1:05 pm - 4:50 pm
SAI
-
IAH
39h 45m
2 stops
$1,647Emirates
Mon, Apr 27 - Sun, May 3
Multiple Airlines Logo
7:00 am - 12:20 pm
IAH
-
SAI
41h 20m
3 stops
Multiple Airlines Logo
6:30 pm - 5:30 pm
SAI
-
IAH
59h 00m
2 stops
$1,669Multiple Airlines
Sat, Apr 25 - Wed, May 6
Multiple Airlines Logo
1:00 am - 6:20 pm
IAH
-
SAI
29h 20m
2 stops
Multiple Airlines Logo
9:45 am - 10:20 pm
SAI
-
IAH
24h 35m
2 stops
$1,675Multiple Airlines
Fri, Apr 24 - Thu, May 7

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
Apr 22
IAH8:26 pmHouston George Bush Intcntl
61h 04m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
May 7
SAI11:50 pmSiem Reap–Angkor Intl
29h 00m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$1,534
Emirates
Apr 22
IAH8:26 pmHouston George Bush Intcntl
61h 04m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
May 8
SAI1:05 pmSiem Reap–Angkor Intl
39h 45m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$1,535
Emirates
Apr 22
IAH8:26 pmHouston George Bush Intcntl
61h 04m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
May 9
SAI11:50 pmSiem Reap–Angkor Intl
29h 00m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$1,584

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

Our best ANA deals on Houston George Bush Intcntl Airport to Region of Siem Reap flight tickets
ANA
Apr 25
IAH7:22 amHouston George Bush Intcntl
45h 48m
3 stops
SAI5:10 pmSiem Reap–Angkor Intl
May 6
SAI7:10 pmSiem Reap–Angkor Intl
35h 25m
3 stops
IAH6:35 pmHouston George Bush Intcntl
$1,833
ANA
Apr 22
IAH10:10 amHouston George Bush Intcntl
43h 00m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
May 7
SAI7:10 pmSiem Reap–Angkor Intl
25h 35m
2 stops
IAH8:45 amHouston George Bush Intcntl
$2,321
ANA
Apr 22
IAH10:10 amHouston George Bush Intcntl
43h 00m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
May 6
SAI7:10 pmSiem Reap–Angkor Intl
25h 35m
2 stops
IAH8:45 amHouston George Bush Intcntl
$2,514

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 April 12, 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

Cheapest round-trip

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 4/22

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Thu 5/7

11:50 pm-4:50 pm

2 stops29h 00m

$1,534

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 4/22

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Fri 5/8

1:05 pm-4:50 pm

2 stops39h 45m

$1,535

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Wed 4/22

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Sat 5/9

11:50 pm-4:50 pm

2 stops29h 00m

$1,584

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 4/25

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Thu 5/7

11:50 pm-4:50 pm

2 stops29h 00m

$1,585

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Mon 4/27

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Fri 5/8

1:05 pm-4:50 pm

2 stops39h 45m

$1,597

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 4/25

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Sun 5/3

1:05 pm-4:50 pm

2 stops39h 45m

$1,635

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Thu 4/23

1:00 am-6:45 pm

2 stops29h 45m

Siem Reap–Angkor Intl

Wed 5/6

9:45 am-10:20 pm

2 stops24h 35m

$1,637

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Mon 4/27

8:26 pm-9:30 pm

3 stops61h 04m

Siem Reap–Angkor Intl

Sun 5/3

1:05 pm-4:50 pm

2 stops39h 45m

$1,647

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Sat 4/25

7:00 am-12:20 pm

3 stops41h 20m

Siem Reap–Angkor Intl

Wed 5/6

6:30 pm-5:30 pm

2 stops59h 00m

$1,669
Quickest round-trip

HoustonSiem Reap

IAH - SAI

IAHSAI

Houston George Bush Intcntl

Fri 4/24

1:00 am-6:20 pm

2 stops29h 20m

Siem Reap–Angkor Intl

Thu 5/7

9:45 am-10:20 pm

2 stops24h 35m

$1,675

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 Siem Reap from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Region of Siem Reap

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 cheapest airline that flies from Houston George Bush Intcntl to Siem Reap?

Qatar Airways is the most popular carrier operating from Houston George Bush Intcntl to Siem Reap

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

41h 20m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Region of Siem Reap takes 41h 20m
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.
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Frequently asked questions about flying from Houston George Bush Intcntl Airport to Siem Reap

  • 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.

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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