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Phnom Penh

$509+ Cheap flights from Chicago (CHI) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PNH
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Chicago to Phnom Penh Pochentong are usually found in September or January, booked 37 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from Chicago to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$843
(CrystalTravel)

One-way from

$509
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,094
Provider with most accurate pricing for Chicago (CHI)-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Phnom Penh Pochentong flights.
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From Chicago (CHI) to Phnom Penh Pochentong
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One-way flight from Chicago (CHI) to Phnom Penh Pochentong
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Highest demand for flights based on searches. 7% potential increase in price ($108 potential increase over avg. RT price).
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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 January 2025
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Find flight deals from Chicago to Phnom Penh

Cheapest flights from Chicago to Phnom Penh
Explore the most affordable flight options available from Chicago to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This CrystalTravel deal was found by Cheapflights users on 1/21. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/211:25 amORD - PNH
1 stop22h 00mKorean Air
Wed 3/1211:45 pmPNH - ORD
1 stop21h 55mKorean Air
Deal found 1/21$843
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 3/66:15 amORD - PNH
2 stops27h 10mMultiple Airlines
Thu 3/133:05 pmPNH - ORD
2 stops27h 12mMultiple Airlines
Deal found 1/20$851
This FlightHub deal was found by Cheapflights users on 1/21. 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 2/122:40 pmORD - PNH
1 stop30h 45mCathay Pacific
Wed 2/197:05 pmPNH - ORD
1 stop30h 55mCathay Pacific
Deal found 1/21$888
This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:30 amORD - PNH
1 stop22h 45mEVA Air
Wed 5/1412:35 pmPNH - ORD
1 stop20h 25mEVA Air
Deal found 1/20$1,068
This Kissandfly.com deal was found by Cheapflights users on 1/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:00 amMDW - PNH
2 stops27h 25mMultiple Airlines
Thu 3/1312:30 amPNH - MDW
2 stops24h 06mMultiple Airlines
Deal found 1/21$1,148
This CrystalTravel deal was found by Cheapflights users on 1/21. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:40 pmORD - PNH
2 stops32h 35mQatar Airways
Wed 4/305:40 pmPNH - ORD
2 stops33h 45mQatar Airways
Deal found 1/21$1,158
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:17 pmORD - PNH
2 stops44h 58mPhilippine Airlines
Tue 4/221:15 amPNH - ORD
2 stops34h 44mPhilippine Airlines
Deal found 1/20$1,222
This KAYAK deal was found by Cheapflights users on 1/21. 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 4/511:22 amMDW - PNH
2 stops22h 48mKorean Air
Sat 4/2611:40 pmPNH - MDW
2 stops24h 50mKorean Air
Deal found 1/21$1,910

Find flights from Chicago to Phnom Penh within your budget

Customize your flight search to find flights from Chicago 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sun 3/2

11:25 am-10:25 pm

1 stop22h 00m

Phnom Penh Pochentong

Wed 3/12

11:45 pm-9:40 am

1 stop21h 55m

$843

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Thu 3/6

6:15 am-10:25 pm

2 stops27h 10m

Phnom Penh Pochentong

Thu 3/13

3:05 pm-6:17 am

2 stops27h 12m

$851

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Wed 2/12

2:40 pm-10:25 am

1 stop30h 45m

Phnom Penh Pochentong

Wed 2/19

7:05 pm-1:00 pm

1 stop30h 55m

$888

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 4/22

12:30 am-11:15 am

1 stop22h 45m

Phnom Penh Pochentong

Wed 5/14

12:35 pm-9:00 pm

1 stop20h 25m

$1,068

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Fri 3/7

6:00 am-10:25 pm

2 stops27h 25m

Phnom Penh Pochentong

Thu 3/13

12:30 am-12:36 pm

2 stops24h 06m

$1,148

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 4/7

7:40 pm-4:15 pm

2 stops32h 35m

Phnom Penh Pochentong

Wed 4/30

5:40 pm-3:25 pm

2 stops33h 45m

$1,158

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 4/8

3:17 pm-12:15 am

2 stops44h 58m

Phnom Penh Pochentong

Tue 4/22

1:15 am-11:59 pm

2 stops34h 44m

$1,222

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Sat 4/5

11:22 am-10:10 pm

2 stops22h 48m

Phnom Penh Pochentong

Sat 4/26

11:40 pm-12:30 pm

2 stops24h 50m

$1,910

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Fri 3/7

5:10 am-9:20 pm

3 stops51h 10m

$509

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Fri 3/7

10:48 am-9:20 pm

2 stops45h 32m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 15 results
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Compare providers for flights from Chicago to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Phnom Penh in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Phnom Penh flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Phnom Penh flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Phnom Penh flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Phnom Penh

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

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

How far ahead should I book a flight from Chicago to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Phnom Penh. Price data was last updated on January 17, 2025.

The price you pay for your flight from Chicago to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 to Phnom Penh?

Currently, October is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $1,014). Flying from Chicago to Phnom Penh in June is currently the most expensive (average of $1,582). 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 CHI to PNH?

Find hourly flight availability from Chicago 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 January 21, 2025.

It’s typically best to fly out from Chicago to Phnom Penh at noon. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 January 21, 2025.
Read reviews from past customers who have flown Cathay Pacific and Korean Air from Chicago to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,253 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,752 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Cathay Pacific
7.5
Good
830 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Philippine Airlines
7.3
Good
922 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Most people fly into Phnom Penh Pochentong (PNH) if they book a flight to Phnom Penh from Chicago. On average, Pochentong has 0 inbound flights from Chicago per day from 3 airlines. Phnom Penh Pochentong is conveniently located just 5.0 mi from Phnom Penh’s city center.

  • What are the cheapest airlines flying from Chicago to Phnom Penh round-trip?

    Currently priced at $843, Korean Air will fly you from Chicago to Phnom Penh and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Cathay Pacific and EVA Air - these airlines can fly you to your destination from $888 and $1,068, respectively. Korean Air is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

    $552 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Korean Air and EVA Air, with prices starting from $596 and $618, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $1,014). Flying from Chicago to Phnom Penh in June is currently the most expensive (average of $1,582). 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 Chicago to Phnom Penh

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

Top 3 airlines flying from Chicago to Phnom Penh

Discover the top 3 airlines that operate flights from Chicago 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$733Average$911FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$951Average$1,467FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,068Average$1,296FlexibilityNo cancel feeOn-time74%
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