Q: How much does it cost to fly round-trip from Chicago to Phnom Penh?

Airfare is above average for this route at the moment. Chicago to Phnom Penh flights typically cost between $947 and $1,116 in July. The cheapest round-trip price found within the last 3 days was $2,602 on British Airways (Jul 11-Jul 27).

Question 1

What’s the top layover airport for flights from Chicago to Phnom Penh?

Accepted Answer

Incheon (ICN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chicago to Phnom Penh on Cheapflights.

Question 2

How much does it cost to fly round-trip from Chicago to Phnom Penh?

Accepted Answer

Airfare is above average for this route at the moment.Chicago to Phnom Penh flights typically cost between $947 and $1,116 in July.
The cheapest round-trip price found within the last 3 days was $2,602 on British Airways (Jul 11-Jul 27).

Question 3

What’s the cheapest layover airport for flights from Chicago to Phnom Penh?

Accepted Answer

Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $979.

Question 4

What’s the fastest layover option from Chicago to Phnom Penh?

Accepted Answer

Flights via Incheon (ICN) have the shortest average one-way travel time for 1-stop routes: 22h 00m.

Question 5

Which airport typically offers the quickest layover for flights from Chicago to Phnom Penh?

Accepted Answer

Flights via Incheon (ICN) offer the fastest connection on this route, with an average layover time of 2h 38m.

Question 6

How long is the flight from Chicago to Phnom Penh?

Accepted Answer

British Airways can get you from Chicago to Phnom Penh in just under 47h 25m. Your travel time can differ by up to . There are 8645 mi between Chicago and Phnom Penh.

Question 7

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

Accepted Answer

Currently priced at $730, 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 $985, respectively. Cathay Pacific is priced at 40% lower than the current average price of a flight leaving 3 months from now.

Question 8

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Chicago to Phnom Penh (average of $722). Flying from Chicago to Phnom Penh in June is currently the most expensive (average of $1,484). 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.

Question 9

E

Accepted Answer

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.

Question 10

E

Accepted Answer

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).

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

When flying from Chicago 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.

Question 13

E

Accepted Answer

Most accurate provider: When it comes to deals on Chicago-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Phnom Penh flight deals on Cheapflights vs. FlightHub >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.

Question 14

E

Accepted Answer

Most trusted provider: When it comes to deals on Chicago-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub 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.

Question 15

What airport do you fly into for flights to Phnom Penh from Chicago?

Accepted Answer

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.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$2,602 (oojo)
Popular in	June
Cheapest in	November
Average price	$1,032

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars
Ovago	Price Accuracy2 stars	Trust Score*3 stars

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	Cheapest$730	Average$1,175	FlexibilityNo cancel fee	On-time72%
Korean Air	Cheapest$844	Average$960	FlexibilityNo cancel fee	On-time81%
EVA Air	Cheapest$985	Average$1,371	FlexibilityNo cancel fee	On-time74%

$2,602+ Cheap flights from Chicago (CHI) to Phnom Penh (PNH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 February 9, 2026.

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 February 9, 2026.

Best flights from Chicago to Phnom PenhDiscover 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 February 9, 2026.

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 February 9, 2026.

Find flight deals from Chicago to Phnom Penh

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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 February.

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

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

How much does it cost to fly round-trip from Chicago to Phnom Penh?

What’s the top layover airport for flights from Chicago to Phnom Penh?

Share of 1-stop round-trip flights from Chicago to Phnom Penh chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Chicago to Phnom Penh?

Average round-trip fare for 1-stop flights from Chicago to Phnom Penh, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Chicago to Phnom Penh?

Shortest average travel time for 1-stop one-way flights from Chicago to Phnom Penh, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Chicago to Phnom Penh?

Average layover duration for 1-stop one-way flights from Chicago to Phnom Penh, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Phnom Penh

Peruse reviews from past customers who have flown with EVA Air and Korean Air 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.

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?

How long is the flight from Chicago to Phnom Penh?

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

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?

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 Chicago to Phnom Penh

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

Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Chicago to Phnom Penh by cabin class

Find flights from Chicago to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chicago and Phnom Penh flights

Browse other Chicago and Phnom Penh flight options. Last updated on February 9, 2026.

Other flights from Chicago

Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on February 9, 2026.

Other flights to Phnom Penh

Explore flights to Phnom Penh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 3 airlines flying from Chicago to Phnom Penh

100% Free

Book with Flexibility

Travel Smart

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 February 9, 2026.

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 February 9, 2026.