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Phnom Penh

$561+ Cheap flights from Missouri to Phnom Penh (PNH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PNH
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Missouri to Phnom Penh

Keep the following information in mind while searching for Missouri to Phnom Penh flight deals. Data was last updated August 20, 2025.

Round-trip from

$858
(Trip.com)

One-way from

$561
(Gurufare)
From Missouri to Phnom Penh Pochentong
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One-way flight from Missouri to Phnom Penh Pochentong
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Find flight deals from Missouri to Phnom Penh

Cheapest flights from Missouri to Phnom Penh
Explore the most affordable flight options available from Missouri to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:05 pmMCI - PNH
2 stops31h 15mMultiple Airlines
Tue 9/2312:20 pmPNH - MCI
2 stops38h 50mMultiple Airlines
Deal found 8/18$858
This SmartFares deal was found by Cheapflights users on 8/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/223:30 pmMCI - PNH
2 stops42h 25mMultiple Airlines
Sun 12/2111:55 pmPNH - MCI
2 stops37h 18mMultiple Airlines
Deal found 8/18$1,187
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:59 pmMCI - PNH
2 stops57h 41mMultiple Airlines
Fri 10/106:55 pmPNH - MCI
2 stops41h 04mMultiple Airlines
Deal found 8/19$1,763
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:10 pmMCI - PNH
3 stops40h 45mUnited Airlines
Sun 12/2111:55 pmPNH - MCI
2 stops28h 14mUnited Airlines
Deal found 8/18$2,486

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 August 20, 2025.
Use the filters below to find and compare flights from Missouri to Phnom Penh that are best for you.

Fly from

Missouri

Fly to

Phnom Penh

Route

Depart

Return

Price

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Tue 9/16

4:05 pm-11:20 am

2 stops31h 15m

Phnom Penh Pochentong

Tue 9/23

12:20 pm-3:10 pm

2 stops38h 50m

$858

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Sat 11/22

3:30 pm-10:55 pm

2 stops42h 25m

Phnom Penh Pochentong

Sun 12/21

11:55 pm-12:13 am

2 stops37h 18m

$1,187

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Fri 10/3

7:59 pm-5:40 pm

2 stops57h 41m

Phnom Penh Pochentong

Fri 10/10

6:55 pm-11:59 pm

2 stops41h 04m

$1,763

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Sat 11/22

5:10 pm-10:55 pm

3 stops40h 45m

Phnom Penh Pochentong

Sun 12/21

11:55 pm-3:09 pm

2 stops28h 14m

$2,486

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Thu 9/4

7:00 am-11:15 pm

2 stops28h 15m

$561

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Thu 9/4

2:59 pm-5:00 pm

3 stops38h 01m

$724

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Thu 10/9

7:00 am-12:45 pm

3 stops41h 45m

$778

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Thu 10/9

3:28 pm-8:40 am

2 stops53h 12m

$875

Kansas CityPhnom Penh

MCI - PNH

MCIPNH

Kansas City

Thu 9/4

2:57 pm-4:15 pm

3 stops37h 18m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Best time to book a flight from Missouri to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Missouri 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 Missouri to Phnom Penh

What is the cheapest time of day to fly from MO to PNH?

Find hourly flight availability from Missouri to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Phnom Penh as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Missouri 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 Missouri?

    For a flight from Missouri to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city.

  • Can I find deals for flights from Missouri to Phnom Penh that include hotel bookings?

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

  • How can I find direct flights from Missouri to Phnom Penh?

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

  • Can I find deals for business class flights from Missouri to Phnom Penh?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Missouri to Phnom Penh (average of $985). Flying from Missouri to Phnom Penh in June is currently the most expensive (average of $1,544). 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 Missouri to Phnom Penh

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