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.

$1,004 Cheap Flights from Chicago to Siem Reap in 2026

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Find the cheapest flights from Chicago to Siem Reap

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 9:00 am

ORD

SAI

28h 45m

2 stops

7:25 pm - 12:55 pm

SAI

ORD

30h 30m

2 stops

$1,081Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

4:00 pm - 6:55 pm

ORD

SAI

38h 55m

2 stops

12:55 pm - 1:55 pm

SAI

ORD

61h 00m

2 stops

$1,123Multiple Airlines

Tue, Sep 1 - Sat, Sep 19

4:15 pm - 9:00 am

ORD

SAI

28h 45m

2 stops

7:25 pm - 12:55 pm

SAI

ORD

30h 30m

2 stops

$1,125Multiple Airlines

Wed, Oct 21 - Sun, Nov 8

4:15 pm - 9:00 am

ORD

SAI

28h 45m

2 stops

7:25 pm - 12:55 pm

SAI

ORD

30h 30m

2 stops

$1,245Multiple Airlines

Wed, Oct 21 - Fri, Nov 6

4:15 pm - 9:15 am

ORD

SAI

29h 00m

2 stops

7:25 pm - 12:55 pm

SAI

ORD

30h 30m

2 stops

$1,246Multiple Airlines

Fri, Oct 23 - Sun, Nov 8

4:15 pm - 9:00 am

ORD

SAI

28h 45m

2 stops

7:25 pm - 12:55 pm

SAI

ORD

30h 30m

2 stops

$1,270Multiple Airlines

Thu, Oct 22 - Sun, Nov 8

12:30 am - 12:15 pm

ORD

SAI

47h 45m

2 stops

9:30 pm - 7:35 pm

SAI

ORD

59h 05m

2 stops

$1,311Multiple Airlines

Wed, Oct 21 - Sat, Nov 7

12:30 am - 6:45 pm

ORD

SAI

30h 15m

2 stops

9:30 pm - 7:35 pm

SAI

ORD

35h 05m

2 stops

$1,349Multiple Airlines

Sat, Oct 31 - Sun, Nov 8

12:30 am - 6:55 pm

ORD

SAI

30h 25m

2 stops

9:55 am - 7:35 pm

SAI

ORD

22h 40m

2 stops

$1,350Multiple Airlines

Thu, Oct 22 - Fri, Nov 6

12:30 am - 4:10 pm

ORD

SAI

27h 40m

3 stops

1:20 pm - 7:35 pm

SAI

ORD

43h 15m

2 stops

$1,403Multiple Airlines

Sat, Oct 31 - Sun, Nov 8

Qatar Airways flights from Chicago to Siem Reap

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

Qatar Airways

Jun 12

ORD4:33 pmChicago O'Hare Intl

38h 22m

3 stops

SAI6:55 pmSiem Reap–Angkor Intl

Jun 22

SAI7:35 pmSiem Reap–Angkor Intl

31h 30m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,825

Qatar Airways

Jun 18

ORD7:20 pmChicago O'Hare Intl

28h 55m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Jun 28

SAI12:55 pmSiem Reap–Angkor Intl

38h 10m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,827

Qatar Airways

Jun 12

ORD4:33 pmChicago O'Hare Intl

38h 22m

3 stops

SAI6:55 pmSiem Reap–Angkor Intl

Jun 22

SAI7:35 pmSiem Reap–Angkor Intl

31h 30m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,845

Singapore Airlines flights from Chicago to Siem Reap

Our best Singapore Airlines deals on Chicago to Siem Reap flight tickets

Singapore Airlines

Jun 16

ORD6:00 amChicago O'Hare Intl

39h 40m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

Jun 29

SAI10:30 amSiem Reap–Angkor Intl

42h 51m

3 stops

ORD5:21 pmChicago O'Hare Intl

$2,023

Singapore Airlines

May 16

ORD8:34 amChicago O'Hare Intl

37h 06m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

May 23

SAI10:30 amSiem Reap–Angkor Intl

48h 28m

3 stops

ORD10:58 pmChicago O'Hare Intl

$3,317

Singapore Airlines

Jun 15

ORD9:35 amChicago O'Hare Intl

36h 05m

2 stops

SAI9:40 amSiem Reap–Angkor Intl

Jun 28

SAI4:00 pmSiem Reap–Angkor Intl

36h 16m

3 stops

ORD4:16 pmChicago O'Hare Intl

$3,473

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Thu 10/22

4:15 pm-9:00 am

2 stops28h 45m

Siem Reap–Angkor Intl

Sat 11/7

7:25 pm-12:55 pm

2 stops30h 30m

$1,081

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Tue 9/1

4:00 pm-6:55 pm

2 stops38h 55m

Siem Reap–Angkor Intl

Sat 9/19

12:55 pm-1:55 pm

2 stops61h 00m

$1,123

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Wed 10/21

4:15 pm-9:00 am

2 stops28h 45m

Siem Reap–Angkor Intl

Sun 11/8

7:25 pm-12:55 pm

2 stops30h 30m

$1,125

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Wed 10/21

4:15 pm-9:00 am

2 stops28h 45m

Siem Reap–Angkor Intl

Fri 11/6

7:25 pm-12:55 pm

2 stops30h 30m

$1,245

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Fri 10/23

4:15 pm-9:15 am

2 stops29h 00m

Siem Reap–Angkor Intl

Sun 11/8

7:25 pm-12:55 pm

2 stops30h 30m

$1,246

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Thu 10/22

4:15 pm-9:00 am

2 stops28h 45m

Siem Reap–Angkor Intl

Sun 11/8

7:25 pm-12:55 pm

2 stops30h 30m

$1,270

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Wed 10/21

12:30 am-12:15 pm

2 stops47h 45m

Siem Reap–Angkor Intl

Sat 11/7

9:30 pm-7:35 pm

2 stops59h 05m

$1,311

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Sat 10/31

12:30 am-6:45 pm

2 stops30h 15m

Siem Reap–Angkor Intl

Sun 11/8

9:30 pm-7:35 pm

2 stops35h 05m

$1,349

Quickest round-trip

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Thu 10/22

12:30 am-6:55 pm

2 stops30h 25m

Siem Reap–Angkor Intl

Fri 11/6

9:55 am-7:35 pm

2 stops22h 40m

$1,350

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Sat 10/31

12:30 am-4:10 pm

3 stops27h 40m

Siem Reap–Angkor Intl

Sun 11/8

1:20 pm-7:35 pm

2 stops43h 15m

$1,403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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?

Emirates 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

Fastest flight time	29h 00m
Direct flights	None

The fastest flight from Chicago to Siem Reap takes 29h 00m

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

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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 29h 00m.
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.

An easier way to manage your Siem Reap trip

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Cheap flights from Chicago to Siem Reap from $1,004

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 5/20. 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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Qatar Airways flights from Chicago to Siem Reap

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Our best Singapore Airlines 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

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

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.

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

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