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Cheap flights from Las Vegas to Siem Reap from $505

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Las Vegas to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
8:00 am - 9:55 amLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
34h 55m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:45 am - 11:56 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
28h 11m2 stops Singapore Changi Los Angeles
$1,529Singapore Airlines
Wed, Dec 9 - Wed, Jan 20
Singapore Airlines Logo
9:58 am - 9:55 amLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
32h 57m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
10:45 am - 11:56 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
28h 11m2 stops Singapore Changi Los Angeles
$1,584Singapore Airlines
Wed, Dec 9 - Wed, Jan 20
United Airlines Logo
5:45 am - 9:55 amLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
37h 10m2 stops San Francisco Singapore Changi
United Airlines Logo
10:45 am - 2:35 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
42h 50m2 stops Singapore Changi San Francisco
$1,664United Airlines
Mon, Dec 7 - Mon, Jan 18
Singapore Airlines Logo
1:20 pm - 4:00 pmLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
35h 40m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:45 am - 11:56 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
28h 11m2 stops Singapore Changi Los Angeles
$1,689Singapore Airlines
Mon, Dec 7 - Fri, Jan 22
Singapore Airlines Logo
5:36 pm - 4:00 pmLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
31h 24m2 stops San Francisco Singapore Changi
Singapore Airlines Logo
4:50 pm - 1:06 amSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
23h 16m2 stops Singapore Changi San Francisco
$1,698Singapore Airlines
Wed, Dec 9 - Tue, Jan 19
Multiple Airlines Logo
4:15 pm - 6:30 pmLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
35h 15m2 stops Los Angeles Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 11:56 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
25h 36m2 stops Bangkok Suvarnabhumi Los Angeles
$1,708Multiple Airlines
Tue, Dec 8 - Thu, Jan 21
United Airlines Logo
7:05 am - 9:55 amLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
35h 50m2 stops San Francisco Singapore Changi
United Airlines Logo
10:45 am - 4:03 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
44h 18m2 stops Singapore Changi San Francisco
$1,714United Airlines
Wed, Dec 9 - Fri, Jan 22
Multiple Airlines Logo
9:58 am - 9:55 amLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
32h 57m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Multiple Airlines Logo
4:50 pm - 8:16 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
42h 26m3 stops Singapore Changi Tokyo Narita Los Angeles
$1,719Multiple Airlines
Wed, Dec 9 - Wed, Jan 20
Multiple Airlines Logo
9:58 am - 4:00 pmLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
39h 02m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Multiple Airlines Logo
4:50 pm - 1:09 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
35h 19m2 stops Singapore Changi San Francisco
$1,742Multiple Airlines
Tue, Dec 8 - Wed, Jan 20
Singapore Airlines Logo
9:58 am - 4:00 pmLAS  Las Vegas Harry Reid Intl-SAI Siem Reap–Angkor Intl
39h 02m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
10:45 am - 11:56 pmSAI  Siem Reap–Angkor Intl-LAS Las Vegas Harry Reid Intl
28h 11m2 stops Singapore Changi Los Angeles
$1,747Singapore Airlines
Tue, Dec 8 - Tue, Jan 19

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Singapore Airlines flights from Las Vegas to Region of Siem Reap

Our best Singapore Airlines deals on Las Vegas to Region of Siem Reap flight tickets
Singapore Airlines
Dec 9
LAS8:00 amLas Vegas Harry Reid Intl
34h 55m
2 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 20
SAI10:45 amSiem Reap–Angkor Intl
28h 11m
2 stops
LAS11:56 pmLas Vegas Harry Reid Intl
$1,529
Singapore Airlines
Dec 9
LAS9:58 amLas Vegas Harry Reid Intl
32h 57m
3 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 20
SAI10:45 amSiem Reap–Angkor Intl
28h 11m
2 stops
LAS11:56 pmLas Vegas Harry Reid Intl
$1,584
Singapore Airlines
Dec 7
LAS1:20 pmLas Vegas Harry Reid Intl
35h 40m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Jan 22
SAI10:45 amSiem Reap–Angkor Intl
28h 11m
2 stops
LAS11:56 pmLas Vegas Harry Reid Intl
$1,689

United Airlines flights from Las Vegas to Region of Siem Reap

Our best United Airlines deals on Las Vegas to Region of Siem Reap flight tickets
United Airlines
Dec 7
LAS5:45 amLas Vegas Harry Reid Intl
37h 10m
2 stops
SAI9:55 amSiem Reap–Angkor Intl
Jan 18
SAI10:45 amSiem Reap–Angkor Intl
42h 50m
2 stops
LAS2:35 pmLas Vegas Harry Reid Intl
$1,664
United Airlines
Dec 9
LAS4:15 pmLas Vegas Harry Reid Intl
56h 45m
3 stops
SAI4:00 pmSiem Reap–Angkor Intl
Jan 22
SAI10:45 amSiem Reap–Angkor Intl
50h 56m
2 stops
LAS10:41 pmLas Vegas Harry Reid Intl
$1,714
United Airlines
Dec 6
LAS5:45 amLas Vegas Harry Reid Intl
43h 15m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Jan 17
SAI10:45 amSiem Reap–Angkor Intl
49h 16m
2 stops
LAS9:01 pmLas Vegas Harry Reid Intl
$1,880

momondo Fare Finder

 
Use the filters below to find and compare flights from Las Vegas to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Wed 12/9

8:00 am-9:55 am

2 stops34h 55m

Siem Reap–Angkor Intl

Wed 1/20

10:45 am-11:56 pm

2 stops28h 11m

$1,529

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Wed 12/9

9:58 am-9:55 am

3 stops32h 57m

Siem Reap–Angkor Intl

Wed 1/20

10:45 am-11:56 pm

2 stops28h 11m

$1,584

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Mon 12/7

5:45 am-9:55 am

2 stops37h 10m

Siem Reap–Angkor Intl

Mon 1/18

10:45 am-2:35 pm

2 stops42h 50m

$1,664

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Mon 12/7

1:20 pm-4:00 pm

2 stops35h 40m

Siem Reap–Angkor Intl

Fri 1/22

10:45 am-11:56 pm

2 stops28h 11m

$1,689
Quickest round-trip

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Wed 12/9

5:36 pm-4:00 pm

2 stops31h 24m

Siem Reap–Angkor Intl

Tue 1/19

4:50 pm-1:06 am

2 stops23h 16m

$1,698

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Tue 12/8

4:15 pm-6:30 pm

2 stops35h 15m

Siem Reap–Angkor Intl

Thu 1/21

1:20 pm-11:56 pm

2 stops25h 36m

$1,708

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Wed 12/9

7:05 am-9:55 am

2 stops35h 50m

Siem Reap–Angkor Intl

Fri 1/22

10:45 am-4:03 pm

2 stops44h 18m

$1,714

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Wed 12/9

9:58 am-9:55 am

3 stops32h 57m

Siem Reap–Angkor Intl

Wed 1/20

4:50 pm-8:16 pm

3 stops42h 26m

$1,719

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Tue 12/8

9:58 am-4:00 pm

3 stops39h 02m

Siem Reap–Angkor Intl

Wed 1/20

4:50 pm-1:09 pm

2 stops35h 19m

$1,742

Las VegasSiem Reap

LAS Las Vegas Harry Reid Intl - SAI Siem Reap–Angkor Intl

LASSAI

Las Vegas Harry Reid Intl

Tue 12/8

9:58 am-4:00 pm

3 stops39h 02m

Siem Reap–Angkor Intl

Tue 1/19

10:45 am-11:56 pm

2 stops28h 11m

$1,747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheap Las Vegas to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Region of Siem Reap

Best Price Found

$505

Fastest flight time

34h 55m

Direct flights

None
The best one-way flight to Region of Siem Reap from Las Vegas in the past 72 hours is $505. The best round-trip flight deal from Las Vegas to Region of Siem Reap found on momondo in the last 72 hours is $1,529.
The fastest flight from Las Vegas to Region of Siem Reap takes 34h 55m
There are no direct flights from Las Vegas to Region of Siem Reap. There are no popular flight routes from Las Vegas to Region of Siem Reap.
Search flight deals

Frequently asked questions about flying from Las Vegas to Siem Reap

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Siem Reap?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Siem Reap are refreshed on a daily basis.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Siem Reap?

    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 Las Vegas Harry Reid Intl Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Las Vegas to Siem Reap

  • How do I get Price Alerts for flights from Las Vegas to Region of Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Las Vegas to Region of Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Las Vegas to Region of Siem Reap with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

Finding the right flight to Siem Reap from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

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

All flight searches from Las Vegas to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas 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 Las Vegas to Siem Reap.

I’m not ready to book a flight from Las Vegas 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 Las Vegas and alert you when they change.

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