Cheap Flights from Phnom Penh (PNH) to Chicago (ORD)

Popular airlines from Phnom Penh Intl. Airport (PNH) to Chicago O'Hare Intl. Airport (ORD)

Find the cheapest month to fly from Phnom Penh (PNH) to Chicago (ORD)

September is typically the cheapest month to fly

From $1,178 - $1,353 per traveler.

Frequently asked questions

How much does a flight from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight or cheap return flight from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD)?
Flying in may help you find better deals, as it's the cheapest month for flights between PNH and ORD. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PNH to ORD. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD)?
You'll need to book a flight with a layover if you're traveling from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PNH to ORD?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD)?
Opt for a flight from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute fares from PNH to ORD are generally more expensive. To lock in the lowest prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a PNH to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a PNH to ORD flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to O'Hare Intl. Airport (ORD)?
If you reserved your PNH to ORD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Phnom Penh Intl.
Destination airport
O'Hare Intl.
Distance
8650 mi

Book with confidence

Phnom Penh to Chicago Flights

The cheapest times to fly from Phnom Penh to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phnom Penh to Chicago are during the month of . You can find some of the cheapest flights from Phnom Penh to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phnom Penh to Chicago

Sunday is one of the best days to book for cheap flights from Phnom Penh to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phnom Penh to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phnom Penh to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phnom Penh to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phnom Penh to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phnom Penh to Chicago Flights

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*Available to One Key members.