How do I get Price Alerts for flights from Houston to Siem Reap?

Search flight deals from Houston to Siem Reap . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Houston to Siem Reap with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

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.

When did momondo last update prices for flights from Houston to Siem Reap–Angkor Intl Airport?

Prices for flights from Houston to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Houston to Siem Reap–Angkor Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$619 Cheap Flights from Houston to Siem Reap in 2026

Find the cheapest flights from Houston to Siem Reap

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 pm - 9:30 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

37h 55m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 5:15 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

53h 25m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,339Emirates

Sun, Oct 4 - Tue, Oct 20

7:10 pm - 9:10 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

37h 00m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 4:20 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

53h 30m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,374Emirates

Sun, Feb 14 - Sat, Feb 27

1:00 am - 6:40 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

29h 40m2 stops Taipei City Taiwan Taoyuan Intl Da Nang

9:40 am - 10:15 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

24h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,441Multiple Airlines

Wed, Oct 7 - Mon, Oct 12

6:15 pm - 4:25 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

58h 10m3 stops Doha Hamad Intl Hanoi Noibai Luang Prabang

7:10 pm - 3:55 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

56h 45m2 stops Ho Chi Minh City Doha Hamad Intl

$1,453Multiple Airlines

Sun, Oct 4 - Tue, Oct 20

9:00 pm - 6:45 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

32h 45m2 stops Istanbul Bangkok Suvarnabhumi

7:25 pm - 7:05 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

36h 40m2 stops Bangkok Suvarnabhumi Istanbul

$1,454Multiple Airlines

Fri, Feb 5 - Fri, Feb 19

7:35 pm - 12:15 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

28h 40m2 stops Dubai Intl Bangkok Suvarnabhumi

12:55 pm - 5:15 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

40h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,510Emirates

Thu, Oct 8 - Mon, Oct 12

7:20 am - 9:10 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

48h 50m3 stops Chicago O'Hare Intl Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 4:20 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

53h 30m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,532Emirates

Sun, Feb 14 - Sat, Feb 27

1:00 am - 4:25 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

27h 25m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Luang Prabang

9:40 am - 10:15 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

24h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,578Multiple Airlines

Wed, Oct 7 - Mon, Oct 12

6:15 pm - 6:20 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

36h 05m2 stops Doha Hamad Intl Ho Chi Minh City

5:20 pm - 3:55 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

58h 35m3 stops Luang Prabang Hanoi Noibai Doha Hamad Intl

$1,645Multiple Airlines

Thu, Oct 8 - Mon, Oct 12

6:15 pm - 6:20 pmIAH Houston George Bush Intcntl-SAI Siem Reap–Angkor Intl

36h 05m2 stops Doha Hamad Intl Ho Chi Minh City

5:20 pm - 3:55 pmSAI Siem Reap–Angkor Intl-IAH Houston George Bush Intcntl

58h 35m3 stops Luang Prabang Hanoi Noibai Doha Hamad Intl

$1,650Multiple Airlines

Thu, Oct 8 - Mon, Oct 12

Save money when you book flights with momondo

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Emirates flights from Houston to Siem Reap

Our best Emirates deals on Houston to Siem Reap flight tickets

Emirates

Oct 4

IAH7:35 pmHouston George Bush Intcntl

37h 55m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

Oct 20

SAI11:50 pmSiem Reap–Angkor Intl

53h 25m

2 stops

IAH5:15 pmHouston George Bush Intcntl

$1,339

Emirates

Feb 14

IAH7:10 pmHouston George Bush Intcntl

37h 00m

2 stops

SAI9:10 pmSiem Reap–Angkor Intl

Feb 27

SAI11:50 pmSiem Reap–Angkor Intl

53h 30m

2 stops

IAH4:20 pmHouston George Bush Intcntl

$1,374

Emirates

Oct 8

IAH7:35 pmHouston George Bush Intcntl

28h 40m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Oct 12

SAI12:55 pmSiem Reap–Angkor Intl

40h 20m

2 stops

IAH5:15 pmHouston George Bush Intcntl

$1,510

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Sun 10/4

7:35 pm-9:30 pm

2 stops37h 55m

Siem Reap–Angkor Intl

Tue 10/20

11:50 pm-5:15 pm

2 stops53h 25m

$1,339

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Sun 2/14

7:10 pm-9:10 pm

2 stops37h 00m

Siem Reap–Angkor Intl

Sat 2/27

11:50 pm-4:20 pm

2 stops53h 30m

$1,374

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Wed 10/7

1:00 am-6:40 pm

2 stops29h 40m

Siem Reap–Angkor Intl

Mon 10/12

9:40 am-10:15 pm

2 stops24h 35m

$1,441

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Sun 10/4

6:15 pm-4:25 pm

3 stops58h 10m

Siem Reap–Angkor Intl

Tue 10/20

7:10 pm-3:55 pm

2 stops56h 45m

$1,453

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Fri 2/5

9:00 pm-6:45 pm

2 stops32h 45m

Siem Reap–Angkor Intl

Fri 2/19

7:25 pm-7:05 pm

2 stops36h 40m

$1,454

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Thu 10/8

7:35 pm-12:15 pm

2 stops28h 40m

Siem Reap–Angkor Intl

Mon 10/12

12:55 pm-5:15 pm

2 stops40h 20m

$1,510

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Sun 2/14

7:20 am-9:10 pm

3 stops48h 50m

Siem Reap–Angkor Intl

Sat 2/27

11:50 pm-4:20 pm

2 stops53h 30m

$1,532

Quickest round-trip

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Wed 10/7

1:00 am-4:25 pm

3 stops27h 25m

Siem Reap–Angkor Intl

Mon 10/12

9:40 am-10:15 pm

2 stops24h 35m

$1,578

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Thu 10/8

6:15 pm-6:20 pm

2 stops36h 05m

Siem Reap–Angkor Intl

Mon 10/12

5:20 pm-3:55 pm

3 stops58h 35m

$1,645

HoustonSiem Reap

IAH Houston George Bush Intcntl - SAI Siem Reap–Angkor Intl

IAHSAI

Houston George Bush Intcntl

Thu 10/8

6:15 pm-6:20 pm

2 stops36h 05m

Siem Reap–Angkor Intl

Mon 10/12

5:20 pm-3:55 pm

3 stops58h 35m

$1,650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Houston to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Siem Reap

Best Price Found	$619
Fastest flight time	28h 40m
Direct flights	None

The best one-way flight to Siem Reap from Houston in the past 72 hours is $619. The best round-trip flight deal from Houston to Siem Reap found on momondo in the last 72 hours is $1,339.

The fastest flight from Houston to Siem Reap takes 28h 40m

There are no direct flights from Houston to Siem Reap. There are no popular flight routes from Houston to Siem Reap.

Search flight deals

Frequently asked questions about flying from Houston to Siem Reap

How far is Houston to Siem Reap–Angkor Intl by plane?
The straight-line distance from Houston to Siem Reap–Angkor Intl is 9187.9 mi. A reasonable flight in good conditions will take 28h 40m.
When did momondo last update prices for flights from Houston to Siem Reap–Angkor Intl Airport?
Prices for flights from Houston to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Houston to Siem Reap–Angkor Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Houston to Siem Reap

How do I get Price Alerts for flights from Houston to Siem Reap?
Search flight deals from Houston to Siem Reap. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Houston to Siem Reap with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Siem Reap. momondo saves you time and could save you money on your trip.

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

Flights from Houston to Siem Reap 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 Siem Reap?

momondo helps you find the best flight between Houston and Siem Reap by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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Cheap flights from Houston to Siem Reap from $619

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 Siem Reap departing on 9/30. 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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Save money when you book flights with momondo

Big names and deals

Big names and deals

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Filter for what you want

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Trusted and free

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Emirates flights from Houston to Siem Reap

Our best Emirates deals on Houston to Siem Reap flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Houston to Siem Reap that are best for you.

Cheap Houston to Siem Reap flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Houston to Siem Reap

Frequently asked questions about flying from Houston to Siem Reap

Why use momondo?

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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