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.

$425 CHEAP FLIGHTS from Illinois to Phnom Penh

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Cheap Flights from Illinois to Phnom Penh

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Phnom Penh

Wed, Mar 3 - Thu, Mar 25

1:15 pm - 6:40 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

28h 25m1 stop Abu Dhabi Zayed Intl

8:15 am - 8:35 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

36h 20m1 stop Abu Dhabi Zayed Intl

$791Etihad Airways

Wed, Mar 3 - Wed, Mar 24

1:15 pm - 6:40 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

28h 25m1 stop Abu Dhabi Zayed Intl

8:15 am - 8:35 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

36h 20m1 stop Abu Dhabi Zayed Intl

$791Etihad Airways

Mon, Apr 5 - Mon, Apr 19

4:15 pm - 10:15 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

30h 00m1 stop Hong Kong Intl

6:30 pm - 1:55 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

31h 25m1 stop Hong Kong Intl

$882Cathay Pacific

Wed, Nov 4 - Wed, Nov 11

2:10 pm - 5:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

38h 35m1 stop Hong Kong Intl

11:45 am - 12:30 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

37h 45m1 stop Hong Kong Intl

$886Cathay Pacific

Wed, Mar 3 - Mon, Mar 15

4:25 pm - 8:45 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

27h 20m2 stops Tokyo Haneda Bangkok Suvarnabhumi

1:50 pm - 8:20 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

30h 30m2 stops Ho Chi Minh City Tokyo Haneda

$908Multiple Airlines

Mon, Jan 11 - Mon, Jan 25

4:25 pm - 7:35 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

38h 10m2 stops Tokyo Haneda Bangkok Suvarnabhumi

1:50 pm - 7:20 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

30h 30m2 stops Ho Chi Minh City Tokyo Haneda

$908Multiple Airlines

Wed, Mar 3 - Sun, Mar 14

11:10 am - 10:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 35m1 stop Incheon Intl

12:10 am - 9:30 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

21h 20m1 stop Incheon Intl

$931Korean Air

Sun, Nov 1 - Wed, Nov 11

11:10 am - 10:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 35m1 stop Incheon Intl

12:10 am - 8:30 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

21h 20m1 stop Incheon Intl

$1,016Korean Air

Thu, Feb 25 - Sun, Feb 28

11:30 pm - 11:25 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 55m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 7:35 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

19h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,257EVA Air

Mon, Nov 9 - Thu, Dec 3

11:30 pm - 11:25 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 55m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 7:35 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

19h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,286EVA Air

Recent last minute flight deals from Illinois to Phnom Penh

Fri, Oct 9 - Thu, Oct 15

6:00 am - 11:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

29h 45m2 stops Los Angeles Manila Ninoy Aquino Intl

1:15 am - 6:38 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

29h 23m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,171Multiple Airlines

Thu, Oct 8 - Sun, Oct 25

8:05 pm - 6:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

34h 40m1 stop Abu Dhabi Zayed Intl

7:35 pm - 8:35 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

49h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,184Etihad Airways

Sun, Oct 11 - Sun, Oct 18

4:15 pm - 10:15 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

30h 00m1 stop Hong Kong Intl

11:25 am - 1:55 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

38h 30m1 stop Hong Kong Intl

$1,235Cathay Pacific

Thu, Oct 8 - Sun, Oct 25

4:15 pm - 5:15 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

37h 00m1 stop Hong Kong Intl

11:45 am - 1:30 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

37h 45m1 stop Hong Kong Intl

$1,277Cathay Pacific

Thu, Oct 8 - Sun, Oct 25

9:38 am - 6:45 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

33h 07m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

10:10 pm - 8:35 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

46h 25m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,302Etihad Airways

Sun, Oct 11 - Sun, Oct 18

9:38 am - 6:45 pmORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

45h 07m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

8:00 pm - 8:35 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

48h 35m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,357Etihad Airways

Sat, Oct 10 - Sun, Oct 18

12:30 am - 11:15 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 45m1 stop Taipei City Taiwan Taoyuan Intl

9:05 pm - 8:45 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

35h 40m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$1,478Multiple Airlines

Fri, Oct 9 - Fri, Oct 16

7:45 pm - 11:15 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

51h 30m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

12:35 pm - 8:45 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

20h 10m1 stop Taipei City Taiwan Taoyuan Intl

$1,496EVA Air

Fri, Oct 9 - Fri, Oct 16

8:05 pm - 11:30 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

51h 25m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

8:30 am - 6:34 amKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

34h 04m3 stops Guangzhou Baiyun Chengdu Los Angeles

$1,497Multiple Airlines

Thu, Oct 8 - Fri, Oct 16

12:30 am - 11:15 amORD Chicago O'Hare Intl-KTI Phnom Penh Techo Intl

22h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:35 pm - 8:45 pmKTI Phnom Penh Techo Intl-ORD Chicago O'Hare Intl

20h 10m1 stop Taipei City Taiwan Taoyuan Intl

$1,596EVA Air

Useful Info

Low season	February
High season	November
Cheapest flight	$425

Best time to beat the crowds with an average 34% drop in price.

Most popular time to fly and prices are also 14% 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.