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$725+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — ORD
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Round-trip from

$1,016
(Trip.com)

One-way from

$725
(Trip.com)

Popular in

December

Cheapest in

January
From Phnom Penh Pochentong to Illinois
Search Deals
One-way flight from Phnom Penh Pochentong to Illinois
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
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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 March 3, 2025.

This Trip.com deal was found by Cheapflights users on 3/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2312:30 amPNH - ORD
2 stops47h 04mMultiple Airlines
Thu 4/312:29 pmORD - PNH
2 stops46h 26mMultiple Airlines
Deal found 3/3$1,016
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1711:25 amPNH - ORD
1 stop39h 00mCathay Pacific
Thu 4/244:00 pmORD - PNH
1 stop37h 20mCathay Pacific
Deal found 3/3$1,276
This Justfly.com deal was found by Cheapflights users on 3/2. 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.
Thu 9/1112:35 pmPNH - ORD
1 stop20h 10mEVA Air
Mon 9/2912:30 amORD - PNH
1 stop22h 45mEVA Air
Deal found 3/2$1,339
This KAYAK deal was found by Cheapflights users on 3/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:35 pmPNH - ORD
2 stops25h 39mChina Southern
Wed 5/75:38 pmORD - PNH
2 stops32h 52mChina Southern
Deal found 3/2$1,394
This Korean Air deal was found by Cheapflights users on 3/2. 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.
Thu 9/1111:30 pmPNH - ORD
1 stop22h 00mKorean Air
Tue 9/3012:10 pmORD - PNH
1 stop22h 00mKorean Air
Deal found 3/2$1,462
This FlightHub deal was found by Cheapflights users on 3/2. 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 stops51h 09mQatar Airways
Tue 9/27:20 pmORD - PNH
2 stops32h 55mQatar Airways
Deal found 3/2$1,652
This Emirates deal was found by Cheapflights users on 3/2. 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.
Sat 4/198:50 pmPNH - ORD
2 stops54h 55mEmirates
Wed 5/76:33 pmORD - PNH
3 stops58h 02mEmirates
Deal found 3/2$1,876

Find flights from Phnom Penh to Illinois within your budget

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 March 3, 2025.

Fly from

Phnom Penh

Fly to

Illinois

Route

Depart

Return

Price

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 3/23

12:30 am-11:34 am

2 stops47h 04m

Chicago O'Hare Intl

Thu 4/3

12:29 pm-10:55 pm

2 stops46h 26m

$1,016

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Thu 4/17

11:25 am-2:25 pm

1 stop39h 00m

Chicago O'Hare Intl

Thu 4/24

4:00 pm-5:20 pm

1 stop37h 20m

$1,276

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sat 4/19

3:35 pm-5:14 am

2 stops25h 39m

Chicago O'Hare Intl

Wed 5/7

5:38 pm-2:30 pm

2 stops32h 52m

$1,394

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Thu 4/17

12:35 pm-9:00 pm

1 stop20h 25m

Chicago O'Hare Intl

Wed 4/23

12:30 am-11:15 am

1 stop22h 45m

$1,483

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Tue 8/19

5:40 pm-8:49 am

3 stops51h 09m

Chicago O'Hare Intl

Tue 9/2

7:20 pm-4:15 pm

2 stops32h 55m

$1,652

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sat 4/19

11:30 pm-9:40 am

1 stop22h 10m

Chicago O'Hare Intl

Wed 5/7

7:15 am-10:10 pm

2 stops26h 55m

$1,827

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sat 4/19

8:50 pm-3:45 pm

2 stops54h 55m

Chicago O'Hare Intl

Wed 5/7

6:33 pm-4:35 pm

3 stops58h 02m

$1,876

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Fri 8/22

11:05 am-9:10 pm

2 stops46h 05m

$725

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 4/20

12:35 pm-6:08 am

2 stops53h 33m

$938

Phnom PenhChicago

PNH - ORD

PNHORD

Phnom Penh Pochentong

Sun 4/20

6:30 pm-2:25 pm

1 stop31h 55m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 14 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.

Travel insights for flights from Phnom Penh to Illinois

Get recent, data-driven insights about flights from Phnom Penh to Illinois including ideal travel times, pricing trends, and more.

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 March 3, 2025.
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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
1,182 reviews
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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
1,035 reviews
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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
8.1
Very good
3,236 reviews
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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.

Cathay Pacific
7.5
Good
825 reviews
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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.

China Southern
7.5
Good
87 reviews
EVA Air
8.4
Very good
1,182 reviews

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.0

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 EVA Air, which is currently one of the cheapest options available, starting at $938. Cathay Pacific flights start at $1,067 while deals on Philippine Airlines start at $1,091 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 $322). 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 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,341Average$1,853FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,436Average$1,972FlexibilityNo cancel feeOn-time81%
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