When did momondo last update prices for flights from Missouri to Siem Reap–Angkor Intl Airport?

Prices for flights from Missouri to Siem Reap–Angkor Intl Airport refresh daily.

How old do you have to be to fly from Missouri to Siem Reap–Angkor 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 Missouri to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$813 Cheap Flights from Missouri to Siem Reap in 2026

Find the cheapest flights from Missouri to Siem Reap

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11:01 am - 12:15 pmSTL Lambert-St Louis-SAI Siem Reap–Angkor Intl

37h 14m3 stops Chicago O'Hare Intl Doha Hamad Intl Bangkok Suvarnabhumi

7:35 pm - 8:44 pmSAI Siem Reap–Angkor Intl-STL Lambert-St Louis

37h 09m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$1,589Qatar Airways

Thu, Sep 17 - Thu, Sep 24

7:30 am - 9:30 pmMCI Kansas City-SAI Siem Reap–Angkor Intl

50h 00m3 stops Chicago O'Hare Intl Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 9:38 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

33h 48m3 stops Bangkok Suvarnabhumi Dubai Intl Chicago O'Hare Intl

$1,752Emirates

Thu, Oct 1 - Thu, Oct 8

8:41 am - 9:40 amSTL Lambert-St Louis-SAI Siem Reap–Angkor Intl

36h 59m2 stops San Francisco Singapore Changi

7:35 pm - 6:43 pmSAI Siem Reap–Angkor Intl-STL Lambert-St Louis

59h 08m2 stops Bangkok Suvarnabhumi Los Angeles Los Angeles

$1,935Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

1:34 pm - 9:40 amMCI Kansas City-SAI Siem Reap–Angkor Intl

56h 06m2 stops Seattle/Tacoma Intl Singapore Changi

10:30 am - 11:59 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

49h 29m2 stops Singapore Changi Seattle/Tacoma Intl

$2,383Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

3:34 pm - 5:25 pmMCI Kansas City-SAI Siem Reap–Angkor Intl

36h 51m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

10:20 am - 1:50 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

40h 30m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$2,458Multiple Airlines

Sun, Dec 13 - Sat, Dec 19

1:34 pm - 3:10 pmMCI Kansas City-SAI Siem Reap–Angkor Intl

61h 36m2 stops Seattle/Tacoma Intl Singapore Changi

11:50 pm - 9:38 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

33h 48m3 stops Bangkok Suvarnabhumi Dubai Intl Chicago O'Hare Intl

$2,512Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

8:00 am - 4:55 pmMCI Kansas City-SAI Siem Reap–Angkor Intl

43h 55m3 stops Chicago O'Hare Intl Tokyo Narita Hanoi Noibai

4:45 pm - 5:09 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

37h 24m2 stops Singapore Changi San Francisco

$2,537Multiple Airlines

Sun, Dec 13 - Sat, Dec 19

3:35 pm - 9:15 amMCI Kansas City-SAI Siem Reap–Angkor Intl

52h 40m2 stops Los Angeles Los Angeles Bangkok Suvarnabhumi

10:45 am - 5:09 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

43h 24m2 stops Singapore Changi San Francisco

$2,589Multiple Airlines

Sun, Dec 13 - Sat, Dec 19

12:59 pm - 5:10 pmSTL Lambert-St Louis-SAI Siem Reap–Angkor Intl

64h 11m3 stops Chicago O'Hare Intl Tokyo Narita Hanoi Noibai

12:55 pm - 12:40 pmSAI Siem Reap–Angkor Intl-STL Lambert-St Louis

35h 45m2 stops Bangkok Suvarnabhumi Los Angeles Los Angeles

$2,635Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

7:16 am - 9:00 pmMCI Kansas City-SAI Siem Reap–Angkor Intl

48h 44m3 stops Los Angeles Los Angeles Shanghai Pu Dong Kunming Changshui

10:00 pm - 11:50 pmSAI Siem Reap–Angkor Intl-MCI Kansas City

62h 50m3 stops Kunming Changshui Shanghai Pu Dong Los Angeles Los Angeles

$6,802China Eastern

Thu, Nov 5 - Sat, Nov 14

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisSiem Reap

STL Lambert-St Louis - SAI Siem Reap–Angkor Intl

STLSAI

Lambert-St Louis

Thu 9/17

11:01 am-12:15 pm

3 stops37h 14m

Siem Reap–Angkor Intl

Thu 9/24

7:35 pm-8:44 pm

3 stops37h 09m

$1,589

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Thu 10/1

7:30 am-9:30 pm

3 stops50h 00m

Siem Reap–Angkor Intl

Thu 10/8

11:50 pm-9:38 pm

3 stops33h 48m

$1,752

St. LouisSiem Reap

STL Lambert-St Louis - SAI Siem Reap–Angkor Intl

STLSAI

Lambert-St Louis

Thu 9/17

8:41 am-9:40 am

2 stops36h 59m

Siem Reap–Angkor Intl

Thu 9/24

7:35 pm-6:43 pm

2 stops59h 08m

$1,935

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Thu 10/1

1:34 pm-9:40 am

2 stops56h 06m

Siem Reap–Angkor Intl

Thu 10/8

10:30 am-11:59 pm

2 stops49h 29m

$2,383

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Sun 12/13

3:34 pm-5:25 pm

3 stops36h 51m

Siem Reap–Angkor Intl

Sat 12/19

10:20 am-1:50 pm

3 stops40h 30m

$2,458

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Thu 10/1

1:34 pm-3:10 pm

2 stops61h 36m

Siem Reap–Angkor Intl

Thu 10/8

11:50 pm-9:38 pm

3 stops33h 48m

$2,512

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Sun 12/13

8:00 am-4:55 pm

3 stops43h 55m

Siem Reap–Angkor Intl

Sat 12/19

4:45 pm-5:09 pm

2 stops37h 24m

$2,537

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Sun 12/13

3:35 pm-9:15 am

2 stops52h 40m

Siem Reap–Angkor Intl

Sat 12/19

10:45 am-5:09 pm

2 stops43h 24m

$2,589

St. LouisSiem Reap

STL Lambert-St Louis - SAI Siem Reap–Angkor Intl

STLSAI

Lambert-St Louis

Thu 9/17

12:59 pm-5:10 pm

3 stops64h 11m

Siem Reap–Angkor Intl

Thu 9/24

12:55 pm-12:40 pm

2 stops35h 45m

$2,635

Kansas CitySiem Reap

MCI Kansas City - SAI Siem Reap–Angkor Intl

MCISAI

Kansas City

Thu 11/5

7:16 am-9:00 pm

3 stops48h 44m

Siem Reap–Angkor Intl

Sat 11/14

10:00 pm-11:50 pm

3 stops62h 50m

$6,802

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Siem Reap

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

How long does it take to fly to Siem Reap?

On average, it takes 33h 40m to fly from Missouri to Siem Reap if you fly out of St. Louis (the most popular airport in Missouri) and into Siem Reap (the most popular airport in Siem Reap). If you’re flying out of Kansas City and into Siem Reap, then the flight time is around 36h 51m.

Cheap Missouri to Siem Reap flight deals and tips

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

Best Price Found	$813
Fastest flight time	33h 40m
Direct flights	None

The best one-way flight to Siem Reap from Missouri in the past 72 hours is $813. The best round-trip flight deal from Missouri to Siem Reap found on momondo in the last 72 hours is $1,589.

The fastest flight from Missouri to Siem Reap takes 33h 40m

There are no direct flights from Missouri to Siem Reap. There are no popular flight routes from Missouri to Siem Reap.

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Frequently asked questions about flying from Missouri to Siem Reap

When did momondo last update prices for flights from Missouri to Siem Reap–Angkor Intl Airport?
Prices for flights from Missouri to Siem Reap–Angkor Intl Airport refresh daily.
How old do you have to be to fly from Missouri to Siem Reap–Angkor 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 Missouri to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. All flights to Siem Reap from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Siem Reap?

momondo provides multiple filters to help you find the best flight to Siem Reap from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Siem Reap from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Missouri to Siem Reap from $813

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Siem Reap departing on 11/8. 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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Frequently asked questions about flying from Missouri to Siem Reap

Why use momondo?

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

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