Phnom Penh

$563+ Cheap flights from Illinois to Phnom Penh (PNH)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PNH
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Phnom Penh with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Illinois to Phnom Penh

Cheapest flights from Illinois to Phnom Penh
Explore the most affordable flight options available from Illinois to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:20 pmORD - PNH
2 stops28h 05mMultiple Airlines
Tue 1/211:45 pmPNH - ORD
2 stops29h 33mMultiple Airlines
Deal found 11/19$1,236
This oojo deal was found by Cheapflights users on 11/19. 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.
Mon 12/211:30 pmORD - PNH
1 stop22h 55mEVA Air
Mon 12/912:45 pmPNH - ORD
1 stop19h 50mEVA Air
Deal found 11/19$1,268
This oojo deal was found by Cheapflights users on 11/19. 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.
Mon 12/212:01 pmORD - PNH
3 stops37h 34mChina Southern
Mon 12/98:00 amPNH - ORD
2 stops34h 14mChina Southern
Deal found 11/19$1,336
This ScholarTrip deal was found by Cheapflights users on 11/19. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:40 pmORD - PNH
1 stop30h 45mCathay Pacific
Wed 1/17:05 pmPNH - ORD
1 stop30h 55mCathay Pacific
Deal found 11/19$2,271
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Mon 12/21:00 pmORD - PNH
2 stops45h 10mAir China
Sun 12/812:25 amPNH - ORD
2 stops41h 36mAir China
Deal found 11/19$2,467
This Gotogate deal was found by Cheapflights users on 11/18. 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 12/197:05 pmORD - PNH
2 stops49h 45mQatar Airways
Wed 12/255:10 pmPNH - ORD
2 stops34h 20mQatar Airways
Deal found 11/18$2,477
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Mon 12/165:50 pmORD - PNH
2 stops40h 30mAsiana Airlines
Sun 1/1912:30 amPNH - ORD
2 stops55h 25mAsiana Airlines
Deal found 11/19$2,678
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/306:15 amORD - PNH
2 stops52h 05mUnited Airlines
Fri 1/312:30 amPNH - ORD
2 stops51h 14mUnited Airlines
Deal found 11/20$3,097
This oojo deal was found by Cheapflights users on 11/19. 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.
Sat 12/218:25 pmORD - PNH
2 stops62h 50mPhilippine Airlines
Thu 1/21:05 amPNH - ORD
2 stops41h 07mPhilippine Airlines
Deal found 11/19$3,657
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Tue 12/316:00 amMDW - PNH
2 stops27h 25mKorean Air
Tue 1/2111:45 pmPNH - MDW
2 stops26h 23mKorean Air
Deal found 11/19$5,733
This British Airways deal was found by Cheapflights users on 11/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:45 pmORD - PNH
3 stops28h 40mBritish Airways
Wed 1/15:10 pmPNH - ORD
3 stops34h 35mBritish Airways
Deal found 11/19$13,347

Find flights from Illinois to Phnom Penh within your budget

Customize your flight search to find flights from Illinois to Phnom Penh 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Wed 4/30

12:30 am-11:15 am

1 stop22h 45m

Phnom Penh Pochentong

Thu 5/8

12:35 pm-9:00 pm

1 stop20h 25m

$1,107

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 3/3

1:10 pm-10:05 am

2 stops31h 55m

Phnom Penh Pochentong

Wed 3/19

7:25 pm-9:25 am

2 stops50h 00m

$1,108

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Fri 1/17

11:25 am-10:25 pm

1 stop22h 00m

Phnom Penh Pochentong

Sun 1/26

11:45 pm-8:40 am

1 stop21h 55m

$1,115

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 2/11

1:10 pm-10:05 am

2 stops31h 55m

Phnom Penh Pochentong

Thu 2/27

11:10 am-8:25 am

2 stops34h 15m

$1,116

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 2/11

2:40 pm-10:25 am

1 stop30h 45m

Phnom Penh Pochentong

Thu 2/27

11:45 am-1:00 pm

1 stop38h 15m

$1,122

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 2/10

7:05 pm-3:25 pm

2 stops31h 20m

Phnom Penh Pochentong

Sun 2/23

5:10 pm-2:30 pm

2 stops34h 20m

$1,189

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Wed 3/5

11:44 am-12:45 pm

3 stops36h 01m

Phnom Penh Pochentong

Tue 3/18

9:35 am-6:16 pm

2 stops44h 41m

$1,200

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Thu 2/13

12:25 pm-2:35 pm

3 stops37h 10m

Phnom Penh Pochentong

Thu 2/27

11:55 am-5:42 am

3 stops30h 47m

$1,271

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 3/2

7:45 pm-6:25 pm

2 stops33h 40m

Phnom Penh Pochentong

Thu 3/20

9:30 pm-3:45 pm

2 stops30h 15m

$1,390

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Wed 4/23

9:30 am-10:10 pm

2 stops24h 40m

Phnom Penh Pochentong

Tue 4/29

11:40 pm-12:30 pm

2 stops24h 50m

$1,670

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 16 results
1
2

Best time to book a flight from Illinois to Phnom Penh

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

Travel insights for flights from Illinois to Phnom Penh

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Phnom Penh (average of $1,012). Flying from Illinois to Phnom Penh in June is currently the most expensive (average of $1,583). 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.

What is the cheapest time of day to fly from IL to PNH?

Find hourly flight availability from Illinois to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Illinois to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Phnom Penh by month

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

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Temperature in Phnom Penh by month

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

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown EVA Air, Korean Air and Cathay Pacific from Illinois to Phnom Penh. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.5
Very good
1,024 reviews
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.4
Very good
1,308 reviews
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.1
Very good
3,486 reviews
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.1
Very good
1,336 reviews
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

7.6
Good
878 reviews
8.5
Very good
1,024 reviews

Overall

8.5

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Phnom Penh. 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 into for flights to Phnom Penh from Illinois?

    Phnom Penh Pochentong (PNH) is the airport you will fly into if you book a flight from Illinois to Phnom Penh. It is only a 5.0 mi journey from Pochentong (PNH) to Phnom Penh’s city center.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Phnom Penh (average of $1,012). Flying from Illinois to Phnom Penh in June is currently the most expensive (average of $1,583). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Phnom Penh

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

Top 3 airlines flying from Illinois to Phnom Penh

Discover the top 3 airlines that operate flights from Illinois to Phnom Penh. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$778Average$955FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$1,064Average$1,268FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,127Average$1,474FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.