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$713+ Cheap flights from Phnom Penh (PNH) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Phnom Penh to Illinois

Keep the following information in mind while searching for Phnom Penh to Illinois flight deals. Data was last updated April 29, 2025.

Round-trip from

$1,278
(oojo)

One-way from

$713
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$1,636
From Phnom Penh Pochentong to Illinois
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One-way flight from Phnom Penh Pochentong to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Phnom Penh to Illinois

Cheapest flights from Phnom Penh to Illinois
Explore the most affordable flight options available from Phnom Penh to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1810:50 amPNH - ORD
2 stops30h 50mChina Airlines
Mon 5/266:00 amORD - PNH
2 stops39h 50mChina Airlines
Deal found 4/28$1,278
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/183:35 pmPNH - ORD
3 stops31h 20mMultiple Airlines
Mon 5/261:02 pmORD - PNH
3 stops34h 18mMultiple Airlines
Deal found 4/28$1,339
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:35 pmPNH - ORD
2 stops42h 35mEVA Air
Mon 9/298:00 amORD - PNH
2 stops39h 15mEVA Air
Deal found 4/28$1,342
This Gurufare deal was found by Cheapflights users on 4/28. 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.
Sun 5/186:30 pmPNH - ORD
1 stop31h 55mCathay Pacific
Mon 5/264:00 pmORD - PNH
1 stop30h 15mCathay Pacific
Deal found 4/28$1,589
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Tue 8/195:40 pmPNH - ORD
3 stops41h 45mQatar Airways
Tue 9/27:20 pmORD - PNH
2 stops32h 55mQatar Airways
Deal found 4/28$1,676
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/11:15 amPNH - ORD
2 stops39h 59mPhilippine Airlines
Thu 10/24:56 pmORD - PNH
2 stops43h 19mPhilippine Airlines
Deal found 4/28$2,493

Cheapflights Fare Finder

Customize your flight search to find flights from Phnom Penh to Illinois 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 April 29, 2025.
Use the filters below to find and compare flights from Phnom Penh to Illinois that are best for you.

Fly from

Phnom Penh

Fly to

Illinois

Route

Depart

Return

Price

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 5/18

10:50 am-5:40 am

2 stops30h 50m

Chicago O'Hare Intl

Mon 5/26

6:00 am-9:50 am

2 stops39h 50m

$1,278

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 5/18

3:35 pm-10:55 am

3 stops31h 20m

Chicago O'Hare Intl

Mon 5/26

1:02 pm-11:20 am

3 stops34h 18m

$1,339

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Tue 8/19

12:35 pm-7:03 am

2 stops30h 28m

Chicago O'Hare Intl

Tue 9/2

6:20 am-11:15 am

2 stops40h 55m

$1,468

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 5/18

6:30 pm-2:25 pm

1 stop31h 55m

Chicago O'Hare Intl

Mon 5/26

4:00 pm-10:15 am

1 stop30h 15m

$1,589

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Tue 8/19

5:40 pm-11:25 pm

3 stops41h 45m

Chicago O'Hare Intl

Tue 9/2

7:20 pm-4:15 pm

2 stops32h 55m

$1,676

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Wed 10/8

8:15 am-8:45 pm

2 stops24h 30m

$713

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Tue 10/7

1:15 am-5:04 am

2 stops39h 49m

$752

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Wed 10/8

12:35 pm-8:45 pm

1 stop20h 10m

$979

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Best time to book a flight from Phnom Penh to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Phnom Penh 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 Phnom Penh to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 29, 2025.
To help decide which airline to fly from Phnom Penh to Illinois, see what other customers have to say about EVA Air, China Airlines and Cathay Pacific. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,184 reviews
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
729 reviews
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Cathay Pacific
7.5
Good
852 reviews
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Qatar Airways
7.4
Good
3,561 reviews
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Philippine Airlines
7.2
Good
857 reviews
EVA Air
8.4
Very good
1,184 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Phnom Penh to Illinois?

    If you book a flight to Illinois from Phnom Penh, you will be flying from Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh.

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

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

  • How can I find direct flights from Phnom Penh to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Phnom Penh to Illinois 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 Phnom Penh to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Illinois (average of $245). Flying from Phnom Penh to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Phnom Penh to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Phnom Penh to Illinois

Discover the top airline that operate flights from Phnom Penh to Illinois. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,341Average$1,847FlexibilityNo cancel feeOn-time74%

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