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Phnom Penh

$2,519+ Cheap flights from O'Hare Intl (ORD) 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.
ORD — PNH
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Phnom Penh

Cheapest flights from O'Hare Intl to Phnom Penh
Explore the most affordable flight options available from O'Hare Intl to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:15 pm
ORD
-
PNH
2 stops48h 45m
British Airways
Mon 7/276:20 pm
PNH
-
ORD
2 stops30h 10m
British Airways
Deal found 2/10$2,519
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:35 pm
ORD
-
PNH
3 stops47h 25m
British Airways
Sun 8/26:20 pm
PNH
-
ORD
3 stops33h 41m
British Airways
Deal found 2/10$2,640

Find flight deals from O'Hare Intl to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,519
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,074
Provider with most accurate pricing for Chicago O'Hare Intl-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Phnom Penh Pochentong flights.
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From Chicago O'Hare Intl to Phnom Penh Pochentong
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($346 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Phnom Penh that are best for you.

Fly from

O'Hare Intl

Fly to

Phnom Penh

Route

Depart

Return

Price

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 7/11

9:15 pm-10:00 am

2 stops48h 45m

Phnom Penh Pochentong

Mon 7/27

6:20 pm-12:30 pm

2 stops30h 10m

$2,519

ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Sat 7/18

10:35 pm-10:00 am

3 stops47h 25m

Phnom Penh Pochentong

Sun 8/2

6:20 pm-4:01 pm

3 stops33h 41m

$2,640

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Phnom Penh in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 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 O'Hare Intl Airport-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 O'Hare Intl Airport-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from O'Hare Intl 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 O'Hare Intl Airport to Phnom Penh

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Phnom Penh (average of $722). Flying from Chicago O'Hare Intl Airport 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.

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 February 11, 2026.
Read reviews from past customers who have flown EVA Air, Korean Air, and Cathay Pacific from Chicago O'Hare Intl Airport to Phnom Penh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,349 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very good
1,349 reviews
EVA Air
8.4
Very good
1,349 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Korean Air
8.4
Very good
1,191 reviews
EVA Air
8.4
Very good
1,349 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Cathay Pacific
7.6
Good
1,160 reviews
EVA Air
8.4
Very good
1,349 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Phnom Penh Pochentong (PNH) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Phnom Penh. You should not have trouble finding flights to Pochentong from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Phnom Penh airport from Chicago O'Hare Intl. It is only a 5.0 mi journey from Pochentong (PNH) to Phnom Penh’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Phnom Penh?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Phnom Penh in 48h 45m. Fly via British Airways to get the fastest option. The distance from Chicago O'Hare Intl Airport to Phnom Penh is about 8645 mi.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Phnom Penh round-trip?

    Cathay Pacific, at $730, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Phnom Penh.Alternate airlines to your destination round-trip include Korean Air and EVA Air. Cathay Pacific is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from O'Hare Intl to Phnom Penh that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Phnom Penh.

  • Can I find deals for business class flights from O'Hare Intl to Phnom Penh?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Phnom Penh (average of $722). Flying from Chicago O'Hare Intl Airport 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.

See more FAQs

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Alternative routes for O'Hare Intl to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Siem Reap flights
Midway to Phnom Penh flights
O'Hare Intl to Krong Preah Sihanouk flights

Top 3 airlines flying from O'Hare Intl to Phnom Penh

Discover the top 3 airlines that operate flights from O'Hare Intl 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$730Average$1,175FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$844Average$960FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$985Average$1,371FlexibilityNo cancel feeOn-time74%

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