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

Prices for flights from Chicago to Siem Reap–Angkor Intl Airport refresh daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago 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 you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$583 Cheap Flights from Chicago to Siem Reap in 2026/27

Find the cheapest flights from Chicago to Siem Reap

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:10 pm - 6:45 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

39h 35m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:55 am - 12:30 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

39h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$988Multiple Airlines

Sun, Jan 24 - Tue, Feb 9

2:10 pm - 6:30 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

39h 20m2 stops Hong Kong Intl Bangkok Suvarnabhumi

7:25 pm - 12:30 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

30h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,272Multiple Airlines

Sat, Nov 14 - Thu, Dec 3

11:30 pm - 4:10 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

51h 40m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Luang Prabang

6:40 pm - 7:35 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

37h 55m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$1,524Multiple Airlines

Sun, Jan 24 - Tue, Feb 9

4:00 pm - 9:15 amORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

28h 15m3 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

7:25 pm - 7:35 amSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

49h 10m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,542Etihad Airways

Fri, Jan 8 - Sat, Jan 16

4:25 pm - 9:40 amORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

52h 15m2 stops Tokyo Haneda Ho Chi Minh City

10:25 pm - 2:30 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

53h 05m2 stops Ho Chi Minh City Doha Hamad Intl

$1,680Multiple Airlines

Fri, Jan 8 - Sat, Jan 16

7:45 pm - 9:10 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

36h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 9:33 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

34h 43m3 stops Bangkok Suvarnabhumi Dubai Intl Houston George Bush Intcntl

$1,732Emirates

Sun, Jan 24 - Tue, Feb 9

7:55 pm - 9:10 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

60h 15m3 stops Houston George Bush Intcntl Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 3:10 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

52h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,765Emirates

Sat, Nov 14 - Thu, Dec 3

6:30 pm - 8:45 amORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

25h 15m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bangkok Suvarnabhumi

11:50 pm - 7:58 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

33h 08m3 stops Bangkok Suvarnabhumi Tokyo Narita Toronto Pearson Intl

$1,817Multiple Airlines

Sun, Jan 24 - Tue, Feb 9

9:35 pm - 9:10 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

58h 35m3 stops Houston George Bush Intcntl Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 9:37 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

34h 47m3 stops Bangkok Suvarnabhumi Dubai Intl Houston George Bush Intcntl

$1,966Emirates

Sat, Nov 14 - Thu, Dec 3

6:50 pm - 4:00 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

32h 10m3 stops Doha Hamad Intl Kuala Lumpur Intl Singapore Changi

10:45 am - 2:30 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

40h 45m3 stops Singapore Changi Kuala Lumpur Intl Doha Hamad Intl

$2,023Multiple Airlines

Fri, Jan 8 - Sat, Jan 16

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Etihad Airways flights from Chicago to Siem Reap

Our best Etihad Airways deals on Chicago to Siem Reap flight tickets

Etihad Airways

Jan 8

ORD4:00 pmChicago O'Hare Intl

28h 15m

3 stops

SAI9:15 amSiem Reap–Angkor Intl

Jan 16

SAI7:25 pmSiem Reap–Angkor Intl

49h 10m

2 stops

ORD7:35 amChicago O'Hare Intl

$1,542

Etihad Airways

Dec 23

ORD1:15 pmChicago O'Hare Intl

31h 00m

2 stops

SAI9:15 amSiem Reap–Angkor Intl

Dec 29

SAI1:20 pmSiem Reap–Angkor Intl

31h 15m

2 stops

ORD7:35 amChicago O'Hare Intl

$2,140

Emirates flights from Chicago to Siem Reap

Our best Emirates deals on Chicago to Siem Reap flight tickets

Emirates

Jan 24

ORD7:45 pmChicago O'Hare Intl

36h 25m

2 stops

SAI9:10 pmSiem Reap–Angkor Intl

Feb 9

SAI11:50 pmSiem Reap–Angkor Intl

34h 43m

3 stops

ORD9:33 pmChicago O'Hare Intl

$1,732

Emirates

Nov 14

ORD7:55 pmChicago O'Hare Intl

60h 15m

3 stops

SAI9:10 pmSiem Reap–Angkor Intl

Dec 3

SAI11:50 pmSiem Reap–Angkor Intl

52h 20m

2 stops

ORD3:10 pmChicago O'Hare Intl

$1,765

Emirates

Nov 14

ORD9:35 pmChicago O'Hare Intl

58h 35m

3 stops

SAI9:10 pmSiem Reap–Angkor Intl

Dec 3

SAI11:50 pmSiem Reap–Angkor Intl

34h 47m

3 stops

ORD9:37 pmChicago O'Hare Intl

$1,966

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sun 1/24

2:10 pm-6:45 pm

2 stops39h 35m

Siem Reap–Angkor Intl

Tue 2/9

9:55 am-12:30 pm

2 stops39h 35m

$988

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sat 11/14

2:10 pm-6:30 pm

2 stops39h 20m

Siem Reap–Angkor Intl

Thu 12/3

7:25 pm-12:30 pm

2 stops30h 05m

$1,272

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sun 1/24

11:30 pm-4:10 pm

3 stops51h 40m

Siem Reap–Angkor Intl

Tue 2/9

6:40 pm-7:35 pm

2 stops37h 55m

$1,524

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Fri 1/8

4:00 pm-9:15 am

3 stops28h 15m

Siem Reap–Angkor Intl

Sat 1/16

7:25 pm-7:35 am

2 stops49h 10m

$1,542

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Fri 1/8

4:25 pm-9:40 am

2 stops52h 15m

Siem Reap–Angkor Intl

Sat 1/16

10:25 pm-2:30 pm

2 stops53h 05m

$1,680

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sun 1/24

7:45 pm-9:10 pm

2 stops36h 25m

Siem Reap–Angkor Intl

Tue 2/9

11:50 pm-9:33 pm

3 stops34h 43m

$1,732

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sat 11/14

7:55 pm-9:10 pm

3 stops60h 15m

Siem Reap–Angkor Intl

Thu 12/3

11:50 pm-3:10 pm

2 stops52h 20m

$1,765

Quickest round-trip

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sun 1/24

6:30 pm-8:45 am

3 stops25h 15m

Siem Reap–Angkor Intl

Tue 2/9

11:50 pm-7:58 pm

3 stops33h 08m

$1,817

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Sat 11/14

9:35 pm-9:10 pm

3 stops58h 35m

Siem Reap–Angkor Intl

Thu 12/3

11:50 pm-9:37 pm

3 stops34h 47m

$1,966

ChicagoSiem Reap

ORD Chicago O'Hare Intl - SAI Siem Reap–Angkor Intl

ORDSAI

Chicago O'Hare Intl

Fri 1/8

6:50 pm-4:00 pm

3 stops32h 10m

Siem Reap–Angkor Intl

Sat 1/16

10:45 am-2:30 pm

3 stops40h 45m

$2,023

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to 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 Chicago to Siem Reap–Angkor Intl?

Etihad Airways is the most popular carrier operating from Chicago to Siem Reap–Angkor Intl

When to book flights from Chicago to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Siem Reap (CHI to SAI) flight deals and tips

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

Best Price Found	$583
Fastest flight time	31h 10m
Direct flights	None

The best one-way flight to Siem Reap from Chicago in the past 72 hours is $583. The best round-trip flight deal from Chicago to Siem Reap found on momondo in the last 72 hours is $988.

The fastest flight from Chicago to Siem Reap takes 31h 10m

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

Search flight deals

Frequently asked questions about flying from Chicago to Siem Reap

How far is Chicago to Siem Reap–Angkor Intl by plane?
The distance between Chicago and Siem Reap–Angkor Intl is about 8545.2 mi. A reasonable flight in good conditions will take 31h 10m.
When did momondo last update prices for flights from Chicago to Siem Reap–Angkor Intl Airport?
Prices for flights from Chicago to Siem Reap–Angkor Intl Airport refresh daily.
How old do you have to be to fly from Chicago to Siem Reap–Angkor Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago 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 you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek 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 Chicago to Siem Reap?

It is quick and easy to find Chicago 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 Chicago to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Chicago 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 Chicago to Siem Reap right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Siem Reap from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Chicago to Siem Reap from $583

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Siem Reap departing on 1/13. 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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Etihad Airways flights from Chicago to Siem Reap

Our best Etihad Airways deals on Chicago to Siem Reap flight tickets

Emirates flights from Chicago to Siem Reap

Our best Emirates deals on Chicago to Siem Reap flight tickets

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How to get the cheapest flight ticket from Chicago to Siem Reap

What is the cheapest airline that flies from Chicago to Siem Reap–Angkor Intl?

When to book flights from Chicago to Siem Reap

Cheap Chicago to Siem Reap (CHI to SAI) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago 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.

Popular cities in Cambodia

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

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According to popular flight searches on momondo this year

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