How does KAYAK find such low prices on flights from Illinois to Phnom Penh?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Phnom Penh. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Phnom Penh?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Phnom Penh?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phnom Penh with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Phnom Penh?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phnom Penh from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$425 CHEAP FLIGHTS from Illinois to Phnom Penh

PNH

KAYAK searches hundreds of travel sites at once for deals on flights to Phnom Penh

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals

Cheap Flights from Illinois to Phnom Penh

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Phnom Penh that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Phnom Penh

Thu, Sep 25 - Sun, Oct 19

4:00 pm - 5:20 pmORD-PNH

37h 20m1 stop

11:25 am - 2:25 pmPNH-ORD

39h 00m1 stop

$730Cathay Pacific

Find Deal

Sat, Sep 6 - Sun, Sep 14

4:00 pm - 10:15 amORD-PNH

30h 15m1 stop

11:25 am - 2:25 pmPNH-ORD

39h 00m1 stop

$780Cathay Pacific

Find Deal

Sat, Sep 13 - Sun, Sep 21

12:10 pm - 10:10 pmORD-PNH

22h 00m1 stop

11:30 pm - 9:30 amPNH-ORD

22h 00m1 stop

$848Korean Air

Find Deal

Tue, Sep 9 - Fri, Sep 19

4:00 pm - 11:25 amORD-PNH

31h 25m2 stops

8:25 am - 2:25 pmPNH-ORD

42h 00m2 stops

$988

Find Deal

Mon, Sep 22 - Tue, Sep 30

12:30 am - 11:15 amORD-PNH

22h 45m1 stop

12:35 pm - 8:45 pmPNH-ORD

20h 10m1 stop

$1,036EVA Air

Find Deal

Sat, Oct 11 - Thu, Oct 23

4:00 pm - 11:25 amORD-PNH

31h 25m2 stops

8:15 am - 2:25 pmPNH-ORD

42h 10m2 stops

$1,039

Find Deal

Mon, Sep 8 - Fri, Sep 19

12:30 am - 11:15 amORD-PNH

22h 45m1 stop

12:35 pm - 8:45 pmPNH-ORD

20h 10m1 stop

$1,103EVA Air

Find Deal

Sat, Sep 13 - Sun, Sep 21

3:20 pm - 10:55 pmORD-PNH

43h 35m2 stops

11:55 pm - 4:49 pmPNH-ORD

52h 54m2 stops

$1,125Asiana Airlines

Find Deal

Thu, Sep 25 - Sun, Oct 19

8:55 am - 10:10 pmORD-PNH

25h 15m2 stops

11:30 pm - 9:30 amPNH-ORD

22h 00m1 stop

$1,161Korean Air

Find Deal

Sat, Sep 6 - Sun, Sep 14

5:45 pm - 10:55 pmORD-PNH

41h 10m2 stops

11:55 pm - 7:03 amPNH-ORD

43h 08m2 stops

$1,165Asiana Airlines

Find Deal

Useful Info

Low season	September
High season	April
Cheapest flight	$425

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly and prices are also 13% lower on average.

Flight from Chicago to Phnom Penh

How does KAYAK find such low prices on flights from Illinois to Phnom Penh?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Phnom Penh.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Phnom Penh?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Phnom Penh?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phnom Penh with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Phnom Penh?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phnom Penh from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Phnom Penh

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Phnom Penh

Phnom Penh (PNH)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PNH

$425 Find Cheap Flights from Illinois to Phnom Penh

KAYAK searches hundreds of travel sites at once for deals on flights to Phnom Penh

Cheap Flights from Illinois to Phnom Penh

Recent round-trip flight deals from Illinois to Phnom Penh

Recent one-way flight deals from Illinois to Phnom Penh

Good to know

FAQs for booking flights from Illinois to Phnom Penh

How does KAYAK find such low prices on flights from Illinois to Phnom Penh?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Phnom Penh.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Phnom Penh?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phnom Penh from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Phnom Penh?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phnom Penh with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Phnom Penh?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phnom Penh from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Phnom Penh

Information on the airport you'll fly into in Phnom Penh

Cabin class types available on flights to Illinois

Complete your trip to Phnom Penh with a hotel stay or car rental

Find direct flights for Phnom Penh

Flights to other popular destinations

Flights from domestic origins to Phnom Penh

Choose which airport to fly into in Phnom Penh

Find deals for your return flight