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Cheap flights from Chicago O'Hare Intl Airport to Siem Reap from $530

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago O'Hare Intl Airport to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
30h 05m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:25 pm - 12:30 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
30h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$998Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
30h 05m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 2:20 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
40h 40m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$1,023Multiple Airlines
Sun, Jan 10 - Sun, Jul 4
Etihad Airways Logo
1:10 pm - 11:40 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
33h 30m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Etihad Airways Logo
7:15 pm - 7:55 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
49h 40m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl
$1,112Etihad Airways
Mon, Feb 1 - Mon, Mar 1
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
30h 05m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 12:30 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
39h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$1,117Multiple Airlines
Sun, Feb 21 - Sun, Feb 28
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
30h 05m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
3:45 pm - 2:37 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
35h 52m3 stops Kuala Lumpur Intl Singapore Changi Vancouver Intl
$1,316Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
11:30 pm - 4:10 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
27h 40m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Luang Prabang
Multiple Airlines Logo
9:55 am - 7:35 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
22h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,382Multiple Airlines
Mon, Feb 1 - Mon, Mar 1
Multiple Airlines Logo
11:30 pm - 2:00 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
25h 30m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
9:35 am - 6:14 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 39m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,486Multiple Airlines
Sun, Jan 10 - Mon, Jul 5
Multiple Airlines Logo
11:30 pm - 2:00 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
25h 30m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
9:35 am - 6:14 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 39m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,526Multiple Airlines
Sun, Jan 10 - Sun, Jul 4
Multiple Airlines Logo
6:57 pm - 4:55 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
32h 58m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Hanoi Noibai
Multiple Airlines Logo
9:35 am - 6:14 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 39m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,686Multiple Airlines
Sun, Jan 10 - Mon, Jul 5
Multiple Airlines Logo
6:57 pm - 4:55 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
32h 58m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Hanoi Noibai
Multiple Airlines Logo
9:35 am - 6:14 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 39m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,726Multiple Airlines
Sun, Jan 10 - Sun, Jul 4

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Emirates flights from Chicago O'Hare Intl Airport to Siem Reap

Our best Emirates deals on Chicago O'Hare Intl Airport to Siem Reap flight tickets
Emirates
Nov 1
ORD5:30 amChicago O'Hare Intl
50h 40m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
May 11
SAI11:50 pmSiem Reap–Angkor Intl
27h 55m
2 stops
ORD3:45 pmChicago O'Hare Intl
$8,995
Emirates
Feb 21
ORD5:40 pmChicago O'Hare Intl
38h 30m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
Feb 28
SAI1:20 pmSiem Reap–Angkor Intl
38h 35m
2 stops
ORD2:55 pmChicago O'Hare Intl
$9,191
Emirates
Nov 1
ORD6:55 amChicago O'Hare Intl
49h 15m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
May 11
SAI11:50 pmSiem Reap–Angkor Intl
36h 25m
3 stops
ORD12:15 amChicago O'Hare Intl
$10,070

Etihad Airways flights from Chicago O'Hare Intl Airport to Siem Reap

Our best Etihad Airways deals on Chicago O'Hare Intl Airport to Siem Reap flight tickets
Etihad Airways
Feb 1
ORD1:10 pmChicago O'Hare Intl
33h 30m
2 stops
SAI11:40 amSiem Reap–Angkor Intl
Mar 1
SAI7:15 pmSiem Reap–Angkor Intl
49h 40m
2 stops
ORD7:55 amChicago O'Hare Intl
$1,112
Etihad Airways
Dec 18
ORD1:10 pmChicago O'Hare Intl
34h 30m
2 stops
SAI12:40 pmSiem Reap–Angkor Intl
Jan 2
SAI1:20 pmSiem Reap–Angkor Intl
31h 35m
2 stops
ORD7:55 amChicago O'Hare Intl
$7,073

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Siem Reap that are best for you.

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Depart

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Price

Cheapest round-trip

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Thu 11/5

2:10 pm-9:15 am

2 stops30h 05m

Siem Reap–Angkor Intl

Thu 11/12

7:25 pm-12:30 pm

2 stops30h 05m

$998

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/10

2:10 pm-9:15 am

2 stops30h 05m

Siem Reap–Angkor Intl

Sun 7/4

9:40 am-2:20 pm

2 stops40h 40m

$1,023

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 2/1

1:10 pm-11:40 am

2 stops33h 30m

Siem Reap–Angkor Intl

Mon 3/1

7:15 pm-7:55 am

2 stops49h 40m

$1,112

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 2/21

2:10 pm-9:15 am

2 stops30h 05m

Siem Reap–Angkor Intl

Sun 2/28

9:55 am-12:30 pm

2 stops39h 35m

$1,117

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Thu 11/5

2:10 pm-9:15 am

2 stops30h 05m

Siem Reap–Angkor Intl

Thu 11/12

3:45 pm-2:37 pm

3 stops35h 52m

$1,316
Quickest round-trip

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 2/1

11:30 pm-4:10 pm

3 stops27h 40m

Siem Reap–Angkor Intl

Mon 3/1

9:55 am-7:35 pm

2 stops22h 40m

$1,382

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/10

11:30 pm-2:00 pm

2 stops25h 30m

Siem Reap–Angkor Intl

Mon 7/5

9:35 am-6:14 am

3 stops32h 39m

$1,486

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/10

11:30 pm-2:00 pm

2 stops25h 30m

Siem Reap–Angkor Intl

Sun 7/4

9:35 am-6:14 am

3 stops32h 39m

$1,526

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/10

6:57 pm-4:55 pm

3 stops32h 58m

Siem Reap–Angkor Intl

Mon 7/5

9:35 am-6:14 am

3 stops32h 39m

$1,686

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/10

6:57 pm-4:55 pm

3 stops32h 58m

Siem Reap–Angkor Intl

Sun 7/4

9:35 am-6:14 am

3 stops32h 39m

$1,726

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 Chicago O'Hare Intl Airport 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 O'Hare Intl to Siem Reap–Angkor Intl?

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

When to book flights from Chicago O'Hare Intl Airport to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Siem Reap (ORD to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Siem Reap

Best Price Found

$530

Fastest flight time

30h 05m

Direct flights

None
The best one-way flight to Siem Reap from Chicago O'Hare Intl Airport in the past 72 hours is $530. The best round-trip flight deal from Chicago O'Hare Intl Airport to Siem Reap found on momondo in the last 72 hours is $998.
The fastest flight from Chicago O'Hare Intl Airport to Siem Reap takes 30h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Siem Reap. There are no popular flight routes from Chicago O'Hare Intl Airport to Siem Reap.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Siem Reap

  • How far is Chicago O'Hare Intl to Siem Reap–Angkor Intl by plane?

    A flight from Chicago O'Hare Intl to Siem Reap–Angkor Intl will travel around 8534.8 mi. In terms of flight time, this usually takes a little over 30h 05m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Siem Reap–Angkor Intl Airport.

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

    The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Siem Reap for you.

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

Yes. momondo allows you to filter the results for Chicago to Siem Reap flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Chicago.

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

Price alerts on flights to Siem Reap from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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