Cambodia

$1,094+ Cheap flights from Illinois to Cambodia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KTI
Feb 28 — Mar 71
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Cheap flight deals from Illinois to Cambodia

Cheapest flights from Illinois to Cambodia
Explore the most affordable flight options available from Illinois to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:25 am
ORD
-
SAI
2 stops44h 30m
United Airlines
Tue 3/34:45 pm
SAI
-
ORD
2 stops38h 56m
United Airlines
Deal found 1/27$1,094
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:30 am
ORD
-
SAI
2 stops44h 30m
Multiple Airlines
Sun 4/267:40 pm
SAI
-
ORD
2 stops61h 20m
Multiple Airlines
Deal found 1/27$1,104
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:30 pm
ORD
-
SAI
2 stops32h 25m
Multiple Airlines
Sun 3/19:40 pm
SAI
-
ORD
2 stops34h 55m
Multiple Airlines
Deal found 1/26$1,252
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2611:30 pm
ORD
-
SAI
2 stops30h 15m
Multiple Airlines
Sat 1/239:55 am
SAI
-
ORD
2 stops22h 40m
Multiple Airlines
Deal found 1/28$1,301
This Priceline deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:10 pm
ORD
-
SAI
2 stops34h 30m
Multiple Airlines
Sat 4/45:10 pm
SAI
-
ORD
2 stops27h 25m
Multiple Airlines
Deal found 1/26$1,485
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:30 pm
ORD
-
SAI
2 stops30h 15m
Multiple Airlines
Sat 1/239:55 am
SAI
-
ORD
2 stops22h 40m
Multiple Airlines
Deal found 1/28$1,515
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2811:30 pm
ORD
-
SAI
2 stops27h 25m
Multiple Airlines
Sat 1/239:55 am
SAI
-
ORD
2 stops22h 40m
Multiple Airlines
Deal found 1/28$1,551
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:50 pm
ORD
-
SAI
2 stops25h 25m
Qatar Airways
Sat 1/231:20 pm
SAI
-
ORD
2 stops38h 10m
Qatar Airways
Deal found 1/28$1,599

Find flight deals from Illinois to Cambodia

Keep the following information in mind while searching for Illinois to Cambodia flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,094
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,172
Provider with most accurate pricing for Chicago (CHI)-Phnom Penh Pochentong flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Phnom Penh Pochentong flights.
From Illinois to Cambodia
Highest demand for flights based on searches. 19% potential increase in price ($292 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Cambodia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Illinois to Cambodia that are best for you.

Fly from

Illinois

Fly to

Cambodia

Route

Depart

Return

Price

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Sun 2/22

6:25 am-3:55 pm

2 stops44h 30m

Siem Reap–Angkor Intl

Tue 3/3

4:45 pm-6:41 pm

2 stops38h 56m

$1,094

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Fri 4/10

12:30 am-9:00 am

2 stops44h 30m

Siem Reap–Angkor Intl

Sun 4/26

7:40 pm-9:00 pm

2 stops61h 20m

$1,104

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Thu 2/19

11:30 pm-8:55 pm

2 stops32h 25m

Siem Reap–Angkor Intl

Sun 3/1

9:40 pm-7:35 pm

2 stops34h 55m

$1,252

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Sat 3/14

2:10 pm-12:40 pm

2 stops34h 30m

Siem Reap–Angkor Intl

Sat 4/4

5:10 pm-8:35 am

2 stops27h 25m

$1,485

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Fri 3/13

6:45 am-9:50 am

3 stops39h 05m

Siem Reap–Angkor Intl

Sun 3/22

4:45 pm-10:56 pm

3 stops42h 11m

$1,662

ChicagoSiem Reap

ORD - SAI

ORDSAI

Chicago O'Hare Intl

Thu 3/12

12:30 am-6:45 pm

2 stops30h 15m

Siem Reap–Angkor Intl

Sun 3/22

9:30 pm-8:35 pm

2 stops35h 05m

$1,707

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 7/11

5:00 pm-10:00 am

2 stops53h 00m

$6,450

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 7/11

10:35 pm-10:00 am

3 stops47h 25m

$6,454

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Illinois to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Cambodia

What is the cheapest month to book a flight from Illinois to Cambodia?

Currently, March is the cheapest month in which you can book a flight from Illinois to Cambodia (average of $720). Flying from Illinois to Cambodia in June is currently the most expensive (average of $1,484). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Illinois to Cambodia?

    For as low as $1,094, United Airlines can have you in Cambodia from Illinois in 44h 30m. The distance between Illinois and Cambodia is about 8529 mi.

  • Can I find deals for flights from Illinois to Cambodia that include hotel bookings?

    Yes. In addition to deals on Illinois to Cambodia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Cambodia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Cambodia.

  • Can I find deals for business class flights from Illinois to Cambodia?

    Yes. Cheapflights offers flight deals from Illinois to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Cambodia?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Cambodia (average of $720). Flying from Illinois to Cambodia in June is currently the most expensive (average of $1,484). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Cambodia

Discover the top 3 airlines that operate flights from Illinois to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$727Average$969FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$837Average$999FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$992Average$1,202FlexibilityNo cancel feeOn-time74%

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