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Cheap flights from Chicago O'Hare Intl Airport to Phnom Penh from $6,501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Phnom Penh departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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ORD
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PNH
8645 mimulti-stop
Multiple Airlines Logo
PNH
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ORD
8645 mimulti-stop
Multiple Airlines

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Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Phnom Penh that are best for you.

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Route

Depart

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Price

Cheapest one-way
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ChicagoPhnom Penh

ORD - PNH

ORDPNH

Chicago O'Hare Intl

Wed 8/26

6:05 pm-10:00 am

3 stops27h 55m

$6,501

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

In general, June is the cheapest month to fly from Chicago O'Hare Intl Airport to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Phnom Penh during the month of June, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $813.

When to book flights from Chicago O'Hare Intl Airport to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Phnom Penh (ORD to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Phnom Penh

Fastest flight time

50h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Phnom Penh takes 50h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Phnom Penh. There are no popular flight routes from Chicago O'Hare Intl Airport to Phnom Penh.
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Frequently asked questions about flying from Chicago O'Hare Intl Airport to Phnom Penh

  • How far is Chicago O'Hare Intl to Phnom Penh Pochentong by plane?

    Chicago O'Hare Intl and Phnom Penh Pochentong are 8642.7 mi apart from one another. By plane, this route typically takes 50h 55m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Phnom Penh Pochentong Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Phnom Penh Pochentong Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Phnom Penh Pochentong Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents you'll need for your trip to Phnom Penh Pochentong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phnom Penh Pochentong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Phnom Penh?

Best airlines flying from Chicago O'Hare Intl Airport to Phnom Penh

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $838Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
EVA AirPriceFrom $991Free CancellationRating
8.5
1,478 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Phnom Penh?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Phnom Penh. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Phnom Penh with flexible booking policies on momondo?

Yes. All flights to Phnom Penh from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Phnom Penh?

Once you have performed a search for Chicago to Phnom Penh flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Phnom Penh right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Phnom Penh, momondo offers a useful price alert feature which will track prices for flights to Phnom Penh from Chicago and alert you when they change.

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