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Phnom Penh

Cheap flights from Chicago (CHI) to Phnom Penh (PNH)

CHI — PNH
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Phnom Penh Pochentong are usually found in August or October, booked 3 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

June

Cheapest in

August

Average price

$882
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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Highest demand for flights based on searches. 22% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Phnom Penh flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Currently, January is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $768). Flying from Chicago to Phnom Penh in June is currently the most expensive (average of $1,564). 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 November 3, 2025.

It’s typically best to fly out from Chicago to Phnom Penh at noon. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 3, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Cathay Pacific from Chicago to Phnom Penh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,270 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,270 reviews
EVA Air
8.4
Very good
1,270 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,160 reviews
EVA Air
8.4
Very good
1,270 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
1,050 reviews
EVA Air
8.4
Very good
1,270 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $733, 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 Korean Air and EVA Air - these airlines can fly you to your destination from $844 and $1,044, respectively. Cathay Pacific is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $768). Flying from Chicago to Phnom Penh in June is currently the most expensive (average of $1,564). 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.

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$733Average$955FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$844Average$1,134FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,044Average$1,277FlexibilityNo cancel feeOn-time74%

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