Cheap flights from Chicago to Phnom Penh from $426
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 to Phnom Penh departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Our best Cathay Pacific deals on Chicago to Phnom Penh flight tickets
Etihad Airways flights from Chicago to Phnom Penh
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Fly from
Fly to
Route
Depart
Return
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Wed 3/3
1:15 pm-6:40 am
1 stop28h 25m
Phnom Penh Techo Intl
Thu 3/25
8:15 am-8:35 am
1 stop36h 20m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Wed 3/3
1:15 pm-6:40 am
1 stop28h 25m
Phnom Penh Techo Intl
Wed 3/24
8:15 am-8:35 am
1 stop36h 20m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Mon 4/5
4:15 pm-10:15 am
1 stop30h 00m
Phnom Penh Techo Intl
Mon 4/19
6:30 pm-1:55 pm
1 stop31h 25m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Wed 11/4
2:10 pm-5:45 pm
1 stop38h 35m
Phnom Penh Techo Intl
Wed 11/11
11:45 am-12:30 pm
1 stop37h 45m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Mon 2/15
1:15 pm-6:40 am
1 stop28h 25m
Phnom Penh Techo Intl
Thu 2/25
1:30 am-4:55 pm
1 stop28h 25m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Tue 1/12
4:25 pm-8:45 am
2 stops27h 20m
Phnom Penh Techo Intl
Tue 5/18
2:10 pm-8:40 am
2 stops30h 30m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Wed 3/17
12:10 pm-10:45 pm
1 stop22h 35m
Phnom Penh Techo Intl
Thu 3/25
12:10 am-9:30 am
1 stop21h 20m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Mon 3/22
12:10 pm-10:45 pm
1 stop22h 35m
Phnom Penh Techo Intl
Wed 3/24
12:10 am-9:30 am
1 stop21h 20m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Thu 2/25
11:30 pm-11:25 am
1 stop22h 55m
Phnom Penh Techo Intl
Sun 2/28
12:45 pm-7:35 pm
1 stop19h 50m
ChicagoPhnom Penh
ORD Chicago O'Hare Intl - KTI Phnom Penh Techo Intl
ORDKTI
Chicago O'Hare Intl
Mon 3/22
12:30 am-11:25 am
1 stop22h 55m
Phnom Penh Techo Intl
Thu 3/25
12:45 pm-8:35 pm
1 stop19h 50m
See travel insights to Phnom Penh from
How to get the cheapest flight ticket from Chicago 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, March is the cheapest month to fly from Chicago to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,054. If you aren’t able to travel to Phnom Penh during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,076.
How far in advance should I book a flight from Chicago to Phnom Penh?
You are more likely to see cheaper flights to Phnom Penh from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Chicago for as low as $1,022 on momondo.
What is the cheapest airline that flies from Chicago to Phnom Penh Techo Intl?
Etihad Airways and Cathay Pacific are the most popular carriers operating from Chicago to Phnom Penh Techo Intl
What airlines fly to Phnom Penh?
EVA Air, Korean Air and Cathay Pacific are the top three most popular airlines that fly to Phnom Penh from Chicago according to our data. EVA Air is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Phnom Penh. Keep in mind that there are 4 different airlines that fly to Phnom Penh on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago to Phnom Penh
Cheap Chicago to Phnom Penh (CHI to KTI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Phnom Penh
Frequently asked questions about flying from Chicago to Phnom Penh
How far is Chicago to Phnom Penh Techo Intl by plane?
A flight from Chicago to Phnom Penh Techo Intl will travel around 8653.4 mi.
When did momondo last update prices for flights from Chicago to Phnom Penh Techo Intl Airport?
Prices for flights from Chicago to Phnom Penh Techo Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Phnom Penh Techo Intl Airport?
The number of operators available for flights from Chicago to Phnom Penh Techo Intl Airport is 4 as of October 2026.
How old do you have to be to fly from Chicago to Phnom Penh Techo Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Phnom Penh Techo Intl Airport.
What documentation or ID do you need to fly to Phnom Penh Techo Intl Airport?
The travel and health documents you'll need for your trip to Phnom Penh Techo Intl 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 Techo Intl 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 to Phnom Penh?
Based on momondo bookings for flights between Chicago and Phnom Penh, the leading airline is EVA Air, making up 100% of the total bookings.
Best airlines flying from Chicago to Phnom Penh
Compare and see reviews for airlines that fly from Chicago to Phnom Penh with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $837 | Free Cancellation | Rating 7.6 1,513 reviews | |||
| PriceFrom $844 | Free Cancellation | Rating 7.3 1,541 reviews | |||
| PriceFrom $849 | Free Cancellation | Rating 8.4 1,219 reviews | |||
| PriceFrom $1,079 | Free Cancellation | Rating 8.5 1,547 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Phnom Penh?
It is quick and easy to find Chicago to Phnom Penh flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phnom Penh that suits you.
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?
momondo provides multiple filters to help you find the best flight to Phnom Penh from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Phnom Penh right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Phnom Penh flights. All you need is a valid email address and we will do the rest; it is that quick and easy.