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Phnom Penh

$547+ Cheap flights from O'Hare Intl (ORD) 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PNH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Phnom Penh Pochentong are usually found in September or February, booked 80 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 June 12, 2025.

Round-trip from

$868
(FlightHub)

One-way from

$547
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,808
From Chicago O'Hare Intl to Phnom Penh Pochentong
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One-way flight from Chicago O'Hare Intl to Phnom Penh Pochentong
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Highest demand for flights based on searches. 4% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from O'Hare Intl to Phnom Penh

Cheapest flights from O'Hare Intl to Phnom Penh
Explore the most affordable flight options available from O'Hare Intl to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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.
Mon 9/84:00 pmORD - PNH
1 stop30h 15mCathay Pacific
Tue 9/2311:25 amPNH - ORD
1 stop39h 00mCathay Pacific
Deal found 6/10$868
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:30 pmORD - PNH
1 stop21h 40mKorean Air
Sun 9/711:30 pmPNH - ORD
1 stop22h 00mKorean Air
Deal found 6/10$885
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:55 pmORD - PNH
1 stop29h 00mEtihad Airways
Fri 11/77:55 amPNH - ORD
1 stop37h 20mEtihad Airways
Deal found 6/10$1,046
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.
Tue 10/144:00 pmORD - PNH
2 stops42h 20mMultiple Airlines
Fri 10/248:30 amPNH - ORD
2 stops41h 55mMultiple Airlines
Deal found 6/10$1,064
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:30 amORD - PNH
1 stop22h 45mEVA Air
Tue 9/2312:35 pmPNH - ORD
1 stop20h 10mEVA Air
Deal found 6/10$1,065
This oojo deal was found by Cheapflights users on 6/9. 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 10/113:20 pmORD - PNH
2 stops36h 45mChina Airlines
Thu 10/235:10 pmPNH - ORD
2 stops25h 11mChina Airlines
Deal found 6/9$1,127
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:03 pmORD - PNH
2 stops41h 12mPhilippine Airlines
Sat 9/61:15 amPNH - ORD
2 stops49h 03mPhilippine Airlines
Deal found 6/10$1,135
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:20 amORD - PNH
2 stops28h 35mAsiana Airlines
Sun 9/711:55 pmPNH - ORD
2 stops36h 04mAsiana Airlines
Deal found 6/10$1,138
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.
Wed 10/157:20 pmORD - PNH
2 stops32h 55mQatar Airways
Thu 10/235:40 pmPNH - ORD
2 stops33h 25mQatar Airways
Deal found 6/10$1,176

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Phnom Penh that are best for you.

Fly from

O'Hare Intl

Fly to

Phnom Penh

Route

Depart

Return

Price

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 9/8

4:00 pm-10:15 am

1 stop30h 15m

Phnom Penh Pochentong

Tue 9/23

11:25 am-2:25 pm

1 stop39h 00m

$868

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 8/31

12:30 pm-10:10 pm

1 stop21h 40m

Phnom Penh Pochentong

Sun 9/7

11:30 pm-9:30 am

1 stop22h 00m

$885

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Fri 8/29

6:20 am-12:15 am

2 stops29h 55m

Phnom Penh Pochentong

Sat 9/6

1:15 am-11:04 pm

2 stops33h 49m

$972

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 9/7

12:30 am-11:15 am

1 stop22h 45m

Phnom Penh Pochentong

Tue 9/23

12:35 pm-8:45 pm

1 stop20h 10m

$1,065

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 8/31

7:03 pm-12:15 am

2 stops41h 12m

Phnom Penh Pochentong

Sat 9/6

1:15 am-2:18 pm

2 stops49h 03m

$1,135

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 8/31

6:20 am-10:55 pm

2 stops28h 35m

Phnom Penh Pochentong

Sun 9/7

11:55 pm-11:59 pm

2 stops36h 04m

$1,138

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 7/1

8:00 am-4:05 pm

2 stops44h 05m

Phnom Penh Pochentong

Mon 9/8

5:10 pm-7:03 am

2 stops25h 53m

$1,357

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 8/31

6:00 am-4:15 pm

3 stops46h 15m

Phnom Penh Pochentong

Sun 9/7

5:40 pm-3:05 pm

2 stops33h 25m

$1,451

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Fri 7/25

1:55 pm-8:35 am

2 stops30h 40m

Phnom Penh Pochentong

Fri 8/1

7:25 pm-8:45 am

2 stops49h 20m

$1,455

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 7/22

12:15 pm-4:30 pm

2 stops40h 15m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
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Best time to book a flight from O'Hare Intl to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from O'Hare Intl 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 Chicago O'Hare Intl Airport to Phnom Penh

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Phnom Penh. Price data was last updated on June 9, 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Phnom Penh (average of $991). Flying from Chicago O'Hare Intl Airport to Phnom Penh in June is currently the most expensive (average of $1,570). 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 ORD to PNH?

Find hourly flight availability from O'Hare Intl 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 June 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from Chicago O'Hare Intl Airport to Phnom Penh by exploring options for tickets at noon.

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 June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
7.6
Good
892 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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 O'Hare Intl 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 Chicago O'Hare Intl?

    Phnom Penh Pochentong (PNH) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Phnom Penh. You should not have trouble finding flights to Pochentong from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Phnom Penh airport from Chicago O'Hare Intl. It is only a 5.0 mi journey from Pochentong (PNH) to Phnom Penh’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Phnom Penh round-trip?

    Cathay Pacific, at $868, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Phnom Penh.Alternate airlines to your destination round-trip include Korean Air and EVA Air. Cathay Pacific is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Phnom Penh one-way?

    To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $648. Turkish Airlines flights start at $704 while deals on EVA Air start at $748 one-way.

  • Can I find deals for flights from O'Hare Intl to Phnom Penh that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Phnom Penh?

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

  • Can I find deals for business class flights from O'Hare Intl to Phnom Penh?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Phnom Penh (average of $991). Flying from Chicago O'Hare Intl Airport to Phnom Penh in June is currently the most expensive (average of $1,570). 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 O'Hare Intl to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Phnom Penh flights
O'Hare Intl to Krong Preah Sihanouk flights

Top 3 airlines flying from O'Hare Intl to Phnom Penh

Discover the top 3 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$733Average$953FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$847Average$1,180FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,065Average$1,283FlexibilityNo cancel feeOn-time74%

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