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Cheap flights from Missouri to Cambodia from $1,551

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Cambodia departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:56 pm - 9:40 am
STL
-
SAI
49h 44m
2 stops
Multiple Airlines Logo
10:30 am - 11:58 pm
SAI
-
STL
49h 28m
2 stops
$1,551Multiple Airlines
Wed, Jun 3 - Wed, Jun 17
United Airlines Logo
7:06 pm - 9:40 am
STL
-
SAI
26h 34m
2 stops
United Airlines Logo
10:30 am - 5:53 pm
SAI
-
STL
43h 23m
2 stops
$1,678United Airlines
Wed, Jun 3 - Wed, Jun 17
Multiple Airlines Logo
1:00 pm - 6:45 pm
STL
-
SAI
41h 45m
3 stops
Multiple Airlines Logo
7:25 pm - 9:11 pm
SAI
-
STL
37h 46m
3 stops
$1,823Multiple Airlines
Wed, Jun 3 - Wed, Jun 17
Qatar Airways Logo
9:17 am - 12:15 pm
STL
-
SAI
38h 58m
3 stops
Qatar Airways Logo
12:55 pm - 5:03 pm
SAI
-
STL
40h 08m
3 stops
$2,168Qatar Airways
Wed, Jun 3 - Wed, Jun 17

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Cambodia 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 February 10, 2026.
Use the filters below to find and compare flights from Missouri to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSiem Reap

STL - SAI

STLSAI

Lambert-St Louis

Wed 6/3

7:56 pm-9:40 am

2 stops49h 44m

Siem Reap–Angkor Intl

Wed 6/17

10:30 am-11:58 pm

2 stops49h 28m

$1,551

St. LouisSiem Reap

STL - SAI

STLSAI

Lambert-St Louis

Wed 6/3

7:06 pm-9:40 am

2 stops26h 34m

Siem Reap–Angkor Intl

Wed 6/17

10:30 am-5:53 pm

2 stops43h 23m

$1,678

St. LouisSiem Reap

STL - SAI

STLSAI

Lambert-St Louis

Wed 6/3

1:00 pm-6:45 pm

3 stops41h 45m

Siem Reap–Angkor Intl

Wed 6/17

7:25 pm-9:11 pm

3 stops37h 46m

$1,823

St. LouisSiem Reap

STL - SAI

STLSAI

Lambert-St Louis

Wed 6/3

9:17 am-12:15 pm

3 stops38h 58m

Siem Reap–Angkor Intl

Wed 6/17

12:55 pm-5:03 pm

3 stops40h 08m

$2,168

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Missouri to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Cambodia

Fastest flight time

35h 27m

Direct flights

None
The fastest flight from Missouri to Cambodia takes 35h 27m
There are no direct flights from Missouri to Cambodia. There are no popular flight routes from Missouri to Cambodia.
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  • When did momondo last update prices for flights from Missouri to Cambodia?

    Prices for flights from Missouri to Cambodia were last updated today.

  • How old do you have to be to fly from Missouri to Cambodia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to Cambodia

Compare and see reviews for airlines that fly from Missouri to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,476Free CancellationRating
7.9
8,176 reviews
Search Delta flights

  • How do I get Price Alerts for flights from Missouri to Cambodia?

    Search flight deals from Missouri to Cambodia. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Missouri to Cambodia with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Cambodia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cambodia from Missouri.

Can I find flights from Missouri to Cambodia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Cambodia flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Cambodia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cambodia from Missouri.

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

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

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Thu 3/12
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