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Cheap flights from Chicago O'Hare Intl Airport to Siem Reap from $512

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
8:25 pm - 11:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
26h 50m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
2:50 pm - 7:55 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
30h 05m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl
$1,126Multiple Airlines
Sat, Oct 17 - Tue, Jan 19
Lufthansa Logo
9:50 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
47h 05m2 stops Munich Franz Josef Strauss Singapore Changi
Lufthansa Logo
4:50 pm - 6:25 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
38h 35m2 stops Singapore Changi Munich Franz Josef Strauss
$1,280Lufthansa
Mon, Dec 7 - Wed, Jan 13
Lufthansa Logo
9:50 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
47h 05m2 stops Munich Franz Josef Strauss Singapore Changi
Lufthansa Logo
4:50 pm - 6:25 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
62h 35m2 stops Singapore Changi Munich Franz Josef Strauss
$1,291Lufthansa
Mon, Dec 7 - Tue, Jan 12
Lufthansa Logo
9:50 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
47h 05m2 stops Munich Franz Josef Strauss Singapore Changi
Lufthansa Logo
4:50 pm - 1:10 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
33h 20m2 stops Singapore Changi Frankfurt am Main
$1,302Lufthansa
Mon, Dec 7 - Thu, Jan 14
Lufthansa Logo
10:35 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
46h 20m2 stops Frankfurt am Main Singapore Changi
Lufthansa Logo
4:50 pm - 6:25 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
38h 35m2 stops Singapore Changi Munich Franz Josef Strauss
$1,311Lufthansa
Mon, Dec 7 - Wed, Jan 13
Etihad Airways Logo
8:20 pm - 12:40 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
51h 20m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Etihad Airways Logo
9:55 am - 3:00 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
42h 05m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$1,314Etihad Airways
Tue, Dec 8 - Mon, Jan 11
Lufthansa Logo
10:35 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
46h 20m2 stops Frankfurt am Main Singapore Changi
Lufthansa Logo
4:50 pm - 6:25 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
62h 35m2 stops Singapore Changi Munich Franz Josef Strauss
$1,322Lufthansa
Mon, Dec 7 - Tue, Jan 12
Lufthansa Logo
10:35 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
46h 20m2 stops Frankfurt am Main Singapore Changi
Lufthansa Logo
4:50 pm - 1:10 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
33h 20m2 stops Singapore Changi Frankfurt am Main
$1,333Lufthansa
Mon, Dec 7 - Thu, Jan 14
Multiple Airlines Logo
2:35 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
29h 40m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:25 pm - 12:55 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
30h 30m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$1,336Multiple Airlines
Mon, Dec 7 - Mon, Jan 11
Lufthansa Logo
9:50 pm - 9:55 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
47h 05m2 stops Munich Franz Josef Strauss Singapore Changi
Lufthansa Logo
4:50 pm - 6:25 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
38h 35m2 stops Singapore Changi Munich Franz Josef Strauss
$1,345Lufthansa
Sun, Dec 6 - Wed, Jan 13

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Lufthansa flights from Chicago O'Hare Intl Airport to Region of Siem Reap

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Region of Siem Reap flight tickets
Lufthansa
Dec 7
ORD9:50 pmChicago O'Hare Intl
47h 05m
2 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 13
SAI4:50 pmSiem Reap–Angkor Intl
38h 35m
2 stops
ORD6:25 pmChicago O'Hare Intl
$1,280
Lufthansa
Dec 7
ORD9:50 pmChicago O'Hare Intl
47h 05m
2 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 12
SAI4:50 pmSiem Reap–Angkor Intl
62h 35m
2 stops
ORD6:25 pmChicago O'Hare Intl
$1,291
Lufthansa
Dec 7
ORD9:50 pmChicago O'Hare Intl
47h 05m
2 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 14
SAI4:50 pmSiem Reap–Angkor Intl
33h 20m
2 stops
ORD1:10 pmChicago O'Hare Intl
$1,302

ANA flights from Chicago O'Hare Intl Airport to Region of Siem Reap

Our best ANA deals on Chicago O'Hare Intl Airport to Region of Siem Reap flight tickets
ANA
Dec 6
ORD10:30 amChicago O'Hare Intl
41h 25m
2 stops
SAI4:55 pmSiem Reap–Angkor Intl
Dec 10
SAI6:40 pmSiem Reap–Angkor Intl
25h 40m
2 stops
ORD7:20 amChicago O'Hare Intl
$1,468
ANA
Dec 5
ORD4:25 pmChicago O'Hare Intl
59h 30m
2 stops
SAI4:55 pmSiem Reap–Angkor Intl
Jan 14
SAI6:40 pmSiem Reap–Angkor Intl
25h 40m
2 stops
ORD7:20 amChicago O'Hare Intl
$1,556
ANA
Dec 7
ORD10:30 amChicago O'Hare Intl
41h 25m
2 stops
SAI4:55 pmSiem Reap–Angkor Intl
Jan 10
SAI6:40 pmSiem Reap–Angkor Intl
25h 40m
2 stops
ORD7:20 amChicago O'Hare Intl
$1,557

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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Price

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Quickest round-trip

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sat 10/17

8:25 pm-11:15 am

2 stops26h 50m

Siem Reap–Angkor Intl

Tue 1/19

2:50 pm-7:55 am

2 stops30h 05m

$1,126

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

9:50 pm-9:55 am

2 stops47h 05m

Siem Reap–Angkor Intl

Wed 1/13

4:50 pm-6:25 pm

2 stops38h 35m

$1,280

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

9:50 pm-9:55 am

2 stops47h 05m

Siem Reap–Angkor Intl

Tue 1/12

4:50 pm-6:25 pm

2 stops62h 35m

$1,291

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

9:50 pm-9:55 am

2 stops47h 05m

Siem Reap–Angkor Intl

Thu 1/14

4:50 pm-1:10 pm

2 stops33h 20m

$1,302

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

10:35 pm-9:55 am

2 stops46h 20m

Siem Reap–Angkor Intl

Wed 1/13

4:50 pm-6:25 pm

2 stops38h 35m

$1,311

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Tue 12/8

8:20 pm-12:40 pm

2 stops51h 20m

Siem Reap–Angkor Intl

Mon 1/11

9:55 am-3:00 pm

2 stops42h 05m

$1,314

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

10:35 pm-9:55 am

2 stops46h 20m

Siem Reap–Angkor Intl

Tue 1/12

4:50 pm-6:25 pm

2 stops62h 35m

$1,322

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

10:35 pm-9:55 am

2 stops46h 20m

Siem Reap–Angkor Intl

Thu 1/14

4:50 pm-1:10 pm

2 stops33h 20m

$1,333

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 12/7

2:35 pm-9:15 am

2 stops29h 40m

Siem Reap–Angkor Intl

Mon 1/11

7:25 pm-12:55 pm

2 stops30h 30m

$1,336

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 12/6

9:50 pm-9:55 am

2 stops47h 05m

Siem Reap–Angkor Intl

Wed 1/13

4:50 pm-6:25 pm

2 stops38h 35m

$1,345

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 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 Chicago O'Hare Intl to Siem Reap?

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

Cheap Chicago O'Hare Intl Airport to Region of Siem Reap flight deals and tips

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

Best Price Found

$512

Fastest flight time

30h 15m

Direct flights

None
The best one-way flight to Region of Siem Reap from Chicago O'Hare Intl Airport in the past 72 hours is $512. The best round-trip flight deal from Chicago O'Hare Intl Airport to Region of Siem Reap found on momondo in the last 72 hours is $1,126.
The fastest flight from Chicago O'Hare Intl Airport to Region of Siem Reap takes 30h 15m
There are no direct flights from Chicago O'Hare Intl Airport to Region of Siem Reap. There are no popular flight routes from Chicago O'Hare Intl Airport to Region of Siem Reap.
Search flight deals

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

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

    Prices for flights from Chicago O'Hare Intl Airport to Siem Reap were last updated today.

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

    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.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents you'll need for your trip to Siem Reap 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. 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Siem Reap from Chicago.

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

All flight searches from Chicago to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

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?

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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