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

Currently priced at $797, Cathay Pacific will fly you from Chicago to Phnom Penh and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Etihad Airways and China Airlines - these airlines can fly you to your destination from $926 and $1,295, respectively. Cathay Pacific is priced at 40% 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?

$1,042 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Cathay Pacific and EVA Air, with prices starting from $1,071 and $1,146, respectively.

What is the cheapest day to fly from Chicago to Phnom Penh?

Travelers seeking maximum savings on their Chicago to Phnom Penh flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Chicago to Phnom Penh?

Consider EVA Air, Cathay Pacific or Korean Air when booking your flight. These represent the most popular airlines when flying from Chicago to Phnom Penh.

What is the cheapest day to fly round-trip from Chicago to Phnom Penh?

Thursday flights are found to be more expensive to fly from Chicago to Phnom Penh. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Phnom Penh.

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

Travelers have found it’s best to book a flight 38 days in advance to save up to 44% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Phnom Penh 1-2 weeks in advance for as low as $1,261, or $1,267 for flights within the next 24 hours.

What is the cheapest month to fly from Chicago to Phnom Penh?

February is one of the best times of the year to fly to Phnom Penh from Chicago. Prices for February average $1,349 per person but you can even find prices for as low as $892. The most expensive prices can be found in the month of June. Opting for a February flight can save you 25% on your journey compared to booking in June

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.

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.

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.

$689+ Flights from Chicago to Phnom Penh - Compare & Save Big

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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.

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Cheapflights Tip: The best prices from Chicago to Phnom Penh Pochentong are usually found in February or March, booked 37 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from Chicago to Phnom Penh

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$797 (FlightHub)
One-way from	$689 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,350

Provider with most accurate pricing for Chicago (CHI)-Phnom Penh Pochentong flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago (CHI)-Phnom Penh Pochentong flights.

Search Deals

From Chicago (CHI) to Phnom Penh Pochentong

Search Deals

One-way flight from Chicago (CHI) to Phnom Penh Pochentong

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($200 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 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 May 3, 2025.

Mon 5/54:00 pmORD - PNH

1 stop37h 20mCathay Pacific

Mon 5/1911:25 amPNH - ORD

1 stop39h 00mCathay Pacific

Deal found 4/30

$797

Mon 9/2912:10 pmORD - PNH

1 stop22h 00mKorean Air

Sun 10/1211:30 pmPNH - ORD

1 stop22h 00mKorean Air

Deal found 5/2

$859

Mon 5/54:00 pmORD - PNH

1 stop30h 15mMultiple Airlines

Mon 5/193:35 pmPNH - ORD

2 stops27h 07mMultiple Airlines

Deal found 4/30

$893

Mon 5/51:55 pmORD - PNH

2 stops30h 40mEtihad Airways

Mon 5/197:25 pmPNH - ORD

2 stops49h 20mEtihad Airways

Deal found 4/30

$926

Mon 9/112:30 amORD - PNH

1 stop22h 45mEVA Air

Tue 9/3012:35 pmPNH - ORD

1 stop20h 10mEVA Air

Deal found 5/1

$1,068

Sun 10/57:50 pmORD - PNH

2 stops30h 35mTurkish Airlines

Sun 10/127:25 pmPNH - ORD

2 stops38h 35mTurkish Airlines

Deal found 5/2

$1,130

Thu 10/167:40 pmORD - PNH

2 stops32h 20mQatar Airways

Wed 2/255:10 pmPNH - ORD

2 stops34h 20mQatar Airways

Deal found 5/2

$1,174

Sun 10/59:20 amMDW - PNH

2 stops24h 50mKorean Air

Sun 10/1211:30 pmPNH - MDW

2 stops25h 02mKorean Air

Deal found 5/2

$1,290

Fri 10/179:30 amMDW - PNH

2 stops24h 40mMultiple Airlines

Sun 10/2611:45 pmPNH - MDW

2 stops24h 47mMultiple Airlines

Deal found 5/2

$1,292

Thu 10/161:35 pmORD - PNH

3 stops31h 05mSingapore Airlines

Wed 2/252:50 pmPNH - ORD

2 stops40h 00mSingapore Airlines

Deal found 5/2

$1,295

Fri 5/26:58 pmORD - PNH

2 stops26h 52mChina Airlines

Fri 5/910:50 amPNH - ORD

2 stops44h 20mChina Airlines

Deal found 5/1

$1,333

Fri 10/176:13 amORD - PNH

2 stops30h 02mPhilippine Airlines

Sat 10/251:15 amPNH - ORD

2 stops34h 28mPhilippine Airlines

Deal found 5/2

$1,412

Best flights from Chicago to Phnom Penh
Discover carefully curated flight deals from Chicago to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2025.

Mon 5/54:00 pmORD - PNH

1 stop37h 20mCathay Pacific

Mon 5/1911:25 amPNH - ORD

1 stop39h 00mCathay Pacific

Deal found 4/30

$797

Mon 5/54:00 pmORD - PNH

1 stop30h 15mMultiple Airlines

Mon 5/193:35 pmPNH - ORD

2 stops27h 07mMultiple Airlines

Deal found 4/30

$893

Mon 5/51:55 pmORD - PNH

2 stops30h 40mEtihad Airways

Mon 5/197:25 pmPNH - ORD

2 stops49h 20mEtihad Airways

Deal found 4/30

$926

Sat 5/107:13 pmORD - PNH

2 stops32h 52mChina Airlines

Sun 5/1810:50 amPNH - ORD

2 stops30h 50mChina Airlines

Deal found 5/1

$1,295

Mon 5/1212:30 amORD - PNH

1 stop22h 45mEVA Air

Sun 5/2512:35 pmPNH - ORD

1 stop20h 25mEVA Air

Deal found 4/30

$1,306

Tue 5/64:51 pmORD - PNH

2 stops43h 24mPhilippine Airlines

Sat 5/241:15 amPNH - ORD

2 stops39h 55mPhilippine Airlines

Deal found 4/30

$1,430

Tue 7/16:30 amORD - PNH

2 stops28h 25mUnited Airlines

Mon 9/811:55 pmPNH - ORD

2 stops27h 08mUnited Airlines

Deal found 5/1

$1,434

Mon 5/510:20 amMDW - PNH

2 stops23h 50mKorean Air

Mon 5/1911:30 pmPNH - MDW

2 stops24h 58mKorean Air

Deal found 4/30

$1,646

Sat 5/109:00 amORD - PNH

3 stops43h 15mQatar Airways

Sun 5/185:40 pmPNH - ORD

2 stops33h 25mQatar Airways

Deal found 5/1

$1,652

Mon 6/167:20 pmORD - PNH

1 stop32h 55mFinnair

Mon 6/235:40 pmPNH - ORD

1 stop33h 25mFinnair

Deal found 5/2

$1,663

Thu 7/37:50 pmORD - PNH

2 stops24h 45mTurkish Airlines

Sun 8/39:40 amPNH - ORD

2 stops48h 20mTurkish Airlines

Deal found 5/2

$1,708

Tue 7/16:35 pmORD - PNH

2 stops28h 05mChina Southern

Mon 9/812:05 pmPNH - ORD

3 stops30h 00mChina Southern

Deal found 5/1

$1,785

Last-minute flights from Chicago to Phnom Penh
Discover last-minute flight deals from Chicago to Phnom Penh. Data last updated May 3, 2025 and is based on user searches.

Fri 5/29:00 amORD - PNH

3 stops43h 15mQatar Airways

Fri 5/95:40 pmPNH - ORD

2 stops33h 25mQatar Airways

Deal found 5/1

$1,385

Sun 5/412:30 amORD - PNH

1 stop22h 45mEVA Air

Mon 5/1912:35 pmPNH - ORD

1 stop20h 25mEVA Air

Deal found 4/30

$1,106

Mon 5/54:00 pmORD - PNH

1 stop37h 20mCathay Pacific

Mon 5/1911:25 amPNH - ORD

1 stop39h 00mCathay Pacific

Deal found 4/30

$797

Mon 5/54:00 pmORD - PNH

1 stop30h 15mMultiple Airlines

Mon 5/193:35 pmPNH - ORD

2 stops27h 07mMultiple Airlines

Deal found 4/30

$893

Mon 5/51:55 pmORD - PNH

2 stops30h 40mEtihad Airways

Mon 5/197:25 pmPNH - ORD

2 stops49h 20mEtihad Airways

Deal found 4/30

$926

Mon 5/510:20 amMDW - PNH

2 stops23h 50mKorean Air

Mon 5/1911:30 pmPNH - MDW

2 stops24h 58mKorean Air

Deal found 4/30

$1,646

Tue 5/64:51 pmORD - PNH

2 stops43h 24mPhilippine Airlines

Sat 5/241:15 amPNH - ORD

2 stops39h 55mPhilippine Airlines

Deal found 4/30

$1,430

Sat 5/104:00 pmORD - PNH

1 stop30h 15mCathay Pacific

Sun 5/186:30 pmPNH - ORD

1 stop31h 55mCathay Pacific

Deal found 5/1

$883

Sat 5/104:51 pmORD - PNH

2 stops29h 24mMultiple Airlines

Sun 5/186:30 pmPNH - ORD

1 stop31h 55mMultiple Airlines

Deal found 5/1

$1,217

Sat 5/107:13 pmORD - PNH

2 stops32h 52mChina Airlines

Sun 5/1810:50 amPNH - ORD

2 stops30h 50mChina Airlines

Deal found 5/1

$1,295

Sat 5/1010:37 pmORD - PNH

2 stops61h 38mPhilippine Airlines

Sat 5/171:15 amPNH - ORD

2 stops49h 07mPhilippine Airlines

Deal found 5/1

$1,560

Sat 5/109:00 amORD - PNH

3 stops43h 15mQatar Airways

Sun 5/185:40 pmPNH - ORD

2 stops33h 25mQatar Airways

Deal found 5/1

$1,652

One-way flights from Chicago to Phnom Penh
Search for one-way flight options from Chicago to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated May 3, 2025.

Tue 6/109:14 pmORD - PNH

3 stops49h 56mMultiple Airlines

Deal found 5/2

$689

Mon 6/167:20 pmORD - PNH

2 stops32h 55mQatar Airways

Deal found 5/2

$1,042

Mon 6/169:24 amMDW - PNH

2 stops24h 46mMultiple Airlines

Deal found 5/2

$1,052

Tue 6/104:00 pmORD - PNH

1 stop30h 15mCathay Pacific

Deal found 5/2

$1,071

Mon 6/912:30 amORD - PNH

1 stop22h 45mEVA Air

Deal found 5/2

$1,146

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 5/5

4:00 pm-5:20 pm

1 stop37h 20m

Phnom Penh Pochentong

Mon 5/19

11:25 am-2:25 pm

1 stop39h 00m

$797

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 5/5

4:00 pm-10:15 am

1 stop30h 15m

Phnom Penh Pochentong

Mon 5/19

3:35 pm-6:42 am

2 stops27h 07m

$893

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 5/5

1:55 pm-8:35 am

2 stops30h 40m

Phnom Penh Pochentong

Mon 5/19

7:25 pm-8:45 am

2 stops49h 20m

$926

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 5/10

7:13 pm-4:05 pm

2 stops32h 52m

Phnom Penh Pochentong

Sun 5/18

10:50 am-5:40 am

2 stops30h 50m

$1,295

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Mon 5/12

12:30 am-11:15 am

1 stop22h 45m

Phnom Penh Pochentong

Sun 5/25

12:35 pm-9:00 pm

1 stop20h 25m

$1,306

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 5/6

4:51 pm-12:15 am

2 stops43h 24m

Phnom Penh Pochentong

Sat 5/24

1:15 am-5:10 am

2 stops39h 55m

$1,430

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Tue 7/1

6:30 am-10:55 pm

2 stops28h 25m

Phnom Penh Pochentong

Mon 9/8

11:55 pm-3:03 pm

2 stops27h 08m

$1,434

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Mon 5/5

10:20 am-10:10 pm

2 stops23h 50m

Phnom Penh Pochentong

Mon 5/19

11:30 pm-12:28 pm

2 stops24h 58m

$1,646

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 5/10

9:00 am-4:15 pm

3 stops43h 15m

Phnom Penh Pochentong

Sun 5/18

5:40 pm-3:05 pm

2 stops33h 25m

$1,652

ChicagoPhnom Penh

MDW - PNH

MDWPNH

Chicago Midway

Tue 5/13

9:20 am-10:10 pm

2 stops24h 50m

Phnom Penh Pochentong

Sun 6/1

11:30 pm-12:28 pm

2 stops24h 58m

$1,661

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 19 results

Compare providers for flights from Chicago to Phnom Penh

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*2 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Phnom Penh

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

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, March is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $991). 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?

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

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

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

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Chicago to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,186 reviews

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

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

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

1,068 reviews

EVA Air

8.4

Very good

1,186 reviews

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

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Singapore Airlines

8.1

Very good

1,292 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Finnair

7.6

Good

1,275 reviews

EVA Air

8.4

Very good

1,186 reviews

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

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 $797, Cathay Pacific will fly you from Chicago to Phnom Penh and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Etihad Airways and China Airlines - these airlines can fly you to your destination from $926 and $1,295, respectively. Cathay Pacific is priced at 40% 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?
$1,042 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Cathay Pacific and EVA Air, with prices starting from $1,071 and $1,146, 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, March is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $991). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Chicago to Phnom Penh

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	Cheapest$733	Average$955	FlexibilityNo cancel fee	On-time72%
Korean Air	Cheapest$855	Average$1,481	FlexibilityNo cancel fee	On-time81%
EVA Air	Cheapest$1,065	Average$1,256	FlexibilityNo cancel fee	On-time74%

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$689+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Phnom Penh with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago to Phnom Penh Pochentong are usually found in February or March, booked 37 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from Chicago to Phnom Penh

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chicago to Phnom Penh

Cheapest flights from Chicago to Phnom PenhExplore 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 May 3, 2025.

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 May 3, 2025.

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Use the filters below to find and compare flights from Chicago to Phnom Penh that are best for you.

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 May.

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Phnom Penh

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 April 25, 2025.

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

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 May 3, 2025.

Rainfall in Phnom Penh by month

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

Temperature in Phnom Penh by month

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

Reviews of airlines servicing Phnom Penh

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Chicago to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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Alternative routes for Chicago to Phnom Penh

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Top 3 airlines flying from Chicago to Phnom Penh

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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 May 3, 2025.