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Cheap flights from Kansas City to Siem Reap from $673

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Siem Reap departing on 8/18. 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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Cheap round-trip flights

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Multiple Airlines Logo
MCI
-
SAI
8592 mimulti-stop
Multiple Airlines Logo
SAI
-
MCI
8592 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to Siem Reap 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 March 26, 2026.
Use the filters below to find and compare flights from Kansas City to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 8/18

7:58 pm-6:05 pm

3 stops34h 07m

$673

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 4/21

6:15 am-6:20 pm

3 stops48h 05m

$713

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Sat 9/12

3:34 pm-6:05 pm

3 stops38h 31m

$729

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 8/18

3:30 pm-9:40 am

2 stops30h 10m

$743

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 4/21

4:06 pm-6:45 pm

2 stops38h 39m

$744

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Sat 9/12

4:20 pm-6:45 pm

2 stops38h 25m

$784

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 7/21

1:45 pm-8:45 am

3 stops55h 00m

$800

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Sat 7/25

6:19 pm-2:50 pm

3 stops56h 31m

$832
Quickest one-way

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Tue 7/21

7:59 pm-9:40 am

2 stops25h 41m

$930

Kansas CitySiem Reap

MCI - SAI

MCISAI

Kansas City

Sat 7/25

4:26 pm-12:15 pm

2 stops31h 49m

$995

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Siem Reap from

How to get the cheapest flight ticket from Kansas City 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

What is the cheapest airline that flies from Kansas City to Siem Reap–Angkor Intl?

Singapore Airlines is the most popular carrier operating from Kansas City to Siem Reap–Angkor Intl

When to book flights from Kansas City to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Siem Reap (MCI to SAI) flight deals and tips

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

Fastest flight time

41h 27m

Direct flights

None
The fastest flight from Kansas City to Siem Reap takes 41h 27m
There are no direct flights from Kansas City to Siem Reap. There are no popular flight routes from Kansas City to Siem Reap.
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  • How far is Kansas City to Siem Reap–Angkor Intl by plane?

    Kansas City and Siem Reap–Angkor Intl are 8618.3 mi apart from one another. Typically, this will take 41h 27m by plane in normal conditions.

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

    Prices for flights from Kansas City Airport to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Kansas City Airport to Siem Reap–Angkor Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Siem Reap–Angkor Intl Airport.

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

    The required travel and health documents for your Siem Reap–Angkor Intl Airport 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 Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kansas City to Siem Reap. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Siem Reap from Kansas City with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kansas City to Siem Reap.

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

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

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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.
First Class to Siem Reap
Business Class to Siem Reap