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$659+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$1,184
(Trip.com)

One-way from

$659
(Mytrip)
From Phnom Penh Pochentong to Illinois
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One-way flight from Phnom Penh Pochentong to Illinois
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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 junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/241:15 amPNH - ORD
2 stops40h 10mMultiple Airlines
vie. 8/16:40 amORD - PNH
2 stops29h 35mMultiple Airlines
Deal found 6/10$1,184
This oojo deal was found by Cheapflights users on 6/12. 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.
mar. 8/1912:35 pmPNH - ORD
2 stops45h 29mEVA Air
mar. 9/25:45 pmORD - PNH
2 stops29h 30mEVA Air
Deal found 6/12$1,343
This Sembo deal was found by Cheapflights users on 6/11. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/1411:25 amPNH - ORD
1 stop39h 00mCathay Pacific
mar. 6/244:00 pmORD - PNH
1 stop30h 15mCathay Pacific
Deal found 6/11$1,541
This FlightHub deal was found by Cheapflights users on 6/10. 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.
mar. 8/195:40 pmPNH - ORD
3 stops40h 48mQatar Airways
mar. 9/27:20 pmORD - PNH
2 stops32h 55mQatar Airways
Deal found 6/10$1,735
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1911:30 pmPNH - ORD
2 stops36h 29mKorean Air
mar. 9/212:10 pmORD - PNH
1 stop22h 00mKorean Air
Deal found 6/12$1,939
This Gurufare deal was found by Cheapflights users on 6/11. 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.
vie. 6/208:50 pmPNH - ORD
2 stops30h 55mEmirates
jue. 8/282:20 pmORD - PNH
3 stops38h 15mEmirates
Deal found 6/11$2,161
This Singapore Airlines deal was found by Cheapflights users on 6/12. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/192:05 pmPNH - ORD
3 stops44h 23mSingapore Airlines
mar. 9/211:35 amORD - PNH
3 stops33h 05mSingapore Airlines
Deal found 6/12$3,239

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 junio 12, 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

jue. 7/24

1:15 am-5:25 am

2 stops40h 10m

Chicago O'Hare Intl

vie. 8/1

6:40 am-12:15 am

2 stops29h 35m

$1,184

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 8/19

12:35 pm-10:04 pm

2 stops45h 29m

Chicago O'Hare Intl

mar. 9/2

5:45 pm-11:15 am

2 stops29h 30m

$1,343

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

vie. 7/25

6:30 pm-2:25 pm

1 stop31h 55m

Chicago O'Hare Intl

vie. 8/1

4:00 pm-10:15 am

1 stop30h 15m

$1,565

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 8/19

5:40 pm-10:28 pm

3 stops40h 48m

Chicago O'Hare Intl

mar. 9/2

7:20 pm-4:15 pm

2 stops32h 55m

$1,735

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 8/19

11:30 pm-11:59 pm

2 stops36h 29m

Chicago O'Hare Intl

mar. 9/2

12:10 pm-10:10 pm

1 stop22h 00m

$1,939

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 8/19

8:50 pm-11:12 pm

3 stops38h 22m

Chicago O'Hare Intl

mar. 9/2

7:45 pm-4:35 pm

3 stops56h 50m

$2,395

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 8/19

2:05 pm-10:28 pm

3 stops44h 23m

Chicago O'Hare Intl

mar. 9/2

11:35 am-8:40 am

3 stops33h 05m

$3,239

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar. 7/15

7:10 pm-5:55 pm

3 stops34h 45m

$659

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

dom. 10/19

10:50 am-6:21 am

2 stops31h 31m

$756

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

dom. 10/19

12:35 pm-8:45 pm

1 stop20h 10m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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 junio 12, 2025.
To help decide which airline to fly from Phnom Penh to Illinois, see what other customers have to say about EVA Air, Korean Air and China Airlines. 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
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,302 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Phnom Penh to Illinois one-way?

    To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $756. EVA Air flights start at $845 while deals on Turkish Airlines start at $907 one-way.

  • 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

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,352Average$1,732FlexibilityNo cancel feeOn-time74%

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