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Cheap flights from Illinois to Siem Reap from $794

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:10 pm - 6:45 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
39h 35m2 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
$988Multiple Airlines
Sun, Jan 24 - Tue, Feb 9
Multiple Airlines Logo
2:10 pm - 6:45 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
39h 35m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 12:30 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
36h 10m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$988Multiple Airlines
Sun, Jan 24 - Mon, Feb 8
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
54h 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
$1,061Multiple Airlines
Fri, Jan 15 - Sun, Jan 31
Multiple Airlines Logo
4:25 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
27h 50m2 stops Tokyo Haneda Bangkok Suvarnabhumi
Multiple Airlines Logo
6:40 pm - 1:50 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 10m2 stops Ho Chi Minh City Tokyo Narita
$1,124Multiple Airlines
Mon, Feb 1 - Sun, Feb 7
Etihad Airways Logo
2:15 pm - 12:40 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
34h 25m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Etihad Airways Logo
7:25 pm - 8:35 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
49h 10m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$1,294Etihad Airways
Wed, Mar 17 - Sat, Mar 27
Multiple Airlines Logo
2:15 pm - 12:40 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
34h 25m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
4:50 pm - 8:35 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
51h 45m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$1,386Multiple Airlines
Wed, Mar 17 - Sat, Mar 27
Multiple Airlines Logo
4:25 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
27h 50m2 stops Tokyo Haneda Bangkok Suvarnabhumi
Multiple Airlines Logo
8:05 pm - 12:30 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
29h 25m3 stops Phnom Penh Techo Intl Guangzhou Baiyun Hong Kong Intl
$1,493Multiple Airlines
Mon, Feb 1 - Sun, Feb 7
Multiple Airlines Logo
2:10 pm - 9:15 amORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
54h 05m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
11:20 am - 10:00 amSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
35h 40m3 stops Phnom Penh Techo Intl Kuala Lumpur Intl Istanbul
$1,507Multiple Airlines
Fri, Jan 15 - Sun, Jan 31
Multiple Airlines Logo
2:10 pm - 6:45 pmORD  Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl
39h 35m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
5:00 pm - 12:30 pmSAI  Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl
32h 30m3 stops Phnom Penh Techo Intl Guangzhou Baiyun Hong Kong Intl
$1,524Multiple Airlines
Sun, Jan 24 - Mon, Feb 8

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Emirates flights from Illinois to Siem Reap

Our best Emirates deals on Illinois 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
49h 29m
3 stops
ORD12:19 pmChicago O'Hare Intl
$1,676
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
$1,939
Emirates
Nov 12
ORD7:45 pmChicago O'Hare Intl
36h 25m
2 stops
SAI9:10 pmSiem Reap–Angkor Intl
Nov 24
SAI11:50 pmSiem Reap–Angkor Intl
28h 20m
2 stops
ORD3:10 pmChicago O'Hare Intl
$4,420

momondo Fare Finder

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

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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

Sun 1/24

2:10 pm-6:45 pm

2 stops39h 35m

Siem Reap–Angkor Intl

Tue 2/9

7:25 pm-12:30 pm

2 stops30h 05m

$988

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

Mon 2/8

1:20 pm-12:30 pm

2 stops36h 10m

$988

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Fri 1/15

2:10 pm-9:15 am

2 stops54h 05m

Siem Reap–Angkor Intl

Sun 1/31

9:55 am-12:30 pm

2 stops39h 35m

$1,061

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 2/1

4:25 pm-9:15 am

2 stops27h 50m

Siem Reap–Angkor Intl

Sun 2/7

6:40 pm-1:50 pm

2 stops32h 10m

$1,124

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Wed 3/17

2:15 pm-12:40 pm

2 stops34h 25m

Siem Reap–Angkor Intl

Sat 3/27

7:25 pm-8:35 am

2 stops49h 10m

$1,294

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Wed 3/17

2:15 pm-12:40 pm

2 stops34h 25m

Siem Reap–Angkor Intl

Sat 3/27

4:50 pm-8:35 am

2 stops51h 45m

$1,386
Quickest round-trip

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Mon 2/1

4:25 pm-9:15 am

2 stops27h 50m

Siem Reap–Angkor Intl

Sun 2/7

8:05 pm-12:30 pm

3 stops29h 25m

$1,493

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Fri 1/15

2:10 pm-9:15 am

2 stops54h 05m

Siem Reap–Angkor Intl

Sun 1/31

11:20 am-10:00 am

3 stops35h 40m

$1,507

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

Mon 2/8

5:00 pm-12:30 pm

3 stops32h 30m

$1,524
Cheapest one-way

ChicagoSiem Reap

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

ORDSAI

Chicago O'Hare Intl

Sun 1/3

11:45 am-8:45 am

2 stops32h 00m

$794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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Cheap Illinois to Siem Reap flight deals and tips

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

Best Price Found

$794

Fastest flight time

34h 25m

Direct flights

None
The best one-way flight to Siem Reap from Illinois in the past 72 hours is $794. The best round-trip flight deal from Illinois to Siem Reap found on momondo in the last 72 hours is $988.
The fastest flight from Illinois to Siem Reap takes 34h 25m
There are no direct flights from Illinois to Siem Reap. There are no popular flight routes from Illinois to Siem Reap.
Search flight deals

Frequently asked questions about flying from Illinois to Siem Reap

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

    Prices for flights from Illinois to Siem Reap–Angkor Intl Airport were last updated today.

  • How old do you have to be to fly from Illinois 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 Illinois 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.

Frequently asked questions about flying from Illinois to Siem Reap

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Siem Reap. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois 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 Illinois.

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

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

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

Once all potential Illinois to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Illinois 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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