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$750+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — ORD
apr 9 — apr 161
mer 4/9
mer 4/16
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 aprile 4, 2025.

Round-trip from

$1,272
(Orbitz)

One-way from

$750
(Mytrip)

Popular in

December

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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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($35 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 aprile 4, 2025.

This Orbitz deal was found by Cheapflights users on 4/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 5/15:10 pmPNH - ORD
2 stops37h 10mMultiple Airlines
ven 5/167:59 pmORD - PNH
2 stops25h 51mMultiple Airlines
Deal found 4/4$1,272
This Gurufare deal was found by Cheapflights users on 4/4. 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.
mer 5/2811:25 amPNH - ORD
1 stop39h 00mCathay Pacific
dom 6/224:00 pmORD - PNH
1 stop30h 15mCathay Pacific
Deal found 4/4$1,422
This Gurufare deal was found by Cheapflights users on 4/4. 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.
ven 5/912:35 pmPNH - ORD
1 stop20h 25mEVA Air
mer 5/217:45 pmORD - PNH
2 stops27h 30mEVA Air
Deal found 4/4$1,457
This Justfly.com deal was found by Cheapflights users on 4/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 5/89:40 amPNH - ORD
2 stops36h 00mTurkish Airlines
sab 5/2411:25 amORD - PNH
2 stops33h 10mTurkish Airlines
Deal found 4/4$1,481
This Finnair deal was found by Cheapflights users on 4/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/47:25 pmPNH - ORD
2 stops34h 25mFinnair
mar 5/139:30 pmORD - PNH
2 stops47h 05mFinnair
Deal found 4/4$1,517
This Singapore Airlines deal was found by Cheapflights users on 4/4. 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.
lun 5/129:35 amPNH - ORD
2 stops44h 45mSingapore Airlines
mer 5/287:51 pmORD - PNH
2 stops53h 19mSingapore Airlines
Deal found 4/4$1,586
This Korean Air deal was found by Cheapflights users on 4/4. 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.
lun 5/511:30 pmPNH - ORD
1 stop22h 10mKorean Air
mer 5/219:00 amORD - PNH
2 stops25h 10mKorean Air
Deal found 4/4$1,677
This FlightHub deal was found by Cheapflights users on 4/3. 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 stops41h 45mQatar Airways
mar 9/27:20 pmORD - PNH
2 stops32h 55mQatar Airways
Deal found 4/3$1,679
This Emirates deal was found by Cheapflights users on 4/4. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 5/177:25 pmPNH - ORD
2 stops32h 20mEmirates
lun 6/28:35 pmORD - PNH
2 stops48h 00mEmirates
Deal found 4/4$1,708
This Ovago deal was found by Cheapflights users on 4/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 5/211:55 pmPNH - ORD
2 stops31h 00mAsiana Airlines
mer 5/147:00 amORD - PNH
2 stops27h 55mAsiana Airlines
Deal found 4/4$1,770

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 aprile 4, 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

gio 5/1

5:10 pm-6:20 pm

2 stops37h 10m

Chicago O'Hare Intl

ven 5/16

7:59 pm-9:50 am

2 stops25h 51m

$1,272

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mer 5/28

11:25 am-2:25 pm

1 stop39h 00m

Chicago O'Hare Intl

dom 6/22

4:00 pm-10:15 am

1 stop30h 15m

$1,422

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

ven 5/9

12:35 pm-9:00 pm

1 stop20h 25m

Chicago O'Hare Intl

mer 5/21

7:45 pm-11:15 am

2 stops27h 30m

$1,457

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

gio 5/8

9:40 am-9:40 am

2 stops36h 00m

Chicago O'Hare Intl

sab 5/24

11:25 am-8:35 am

2 stops33h 10m

$1,481

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

dom 5/4

7:25 pm-5:50 pm

2 stops34h 25m

Chicago O'Hare Intl

mer 5/14

9:30 pm-8:35 am

2 stops47h 05m

$1,517

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

lun 5/12

9:35 am-6:20 pm

2 stops44h 45m

Chicago O'Hare Intl

mer 5/28

7:51 pm-1:10 pm

2 stops53h 19m

$1,586

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

lun 5/5

11:30 pm-9:40 am

1 stop22h 10m

Chicago O'Hare Intl

mer 5/21

9:00 am-10:10 pm

2 stops25h 10m

$1,677

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

mar 8/19

5:40 pm-11:25 pm

3 stops41h 45m

Chicago O'Hare Intl

mar 9/2

7:20 pm-4:15 pm

2 stops32h 55m

$1,679

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

sab 5/17

7:25 pm-3:45 pm

2 stops32h 20m

Chicago O'Hare Intl

lun 6/2

8:35 pm-8:35 am

2 stops48h 00m

$1,708

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

ven 5/2

11:55 pm-6:55 pm

2 stops31h 00m

Chicago O'Hare Intl

mer 5/14

7:00 am-10:55 pm

2 stops27h 55m

$1,770

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 15 results
1
2

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 aprile 4, 2025.
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,053 reviews
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
438 reviews
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,287 reviews
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,192 reviews
EVA Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 Cathay Pacific, which is currently one of the cheapest options available, starting at $1,054. EVA Air flights start at $1,067 while deals on Philippine Airlines start at $1,254 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 2 airlines flying from Phnom Penh to Illinois

Discover the top 2 airlines 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 aprile 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,444Average$1,969FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,532Average$1,972FlexibilityNo cancel feeOn-time81%

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