Flights to Siem Reap

$589 Cheap flights to Siem Reap

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Siem Reap departing on 9/29. 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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Recent flights found to popular cities in Siem Reap

Find flights to these popular cities in Siem Reap from your nearest airport.
Singapore Airlines
Sep 29
SEA
33h 25m
1 stop
SAI
Oct 15
SAI
36h 15m
1 stop
SEA
$589
Singapore Airlines
Sep 29
SEA
33h 25m
1 stop
SAI
Oct 15
SAI
36h 15m
1 stop
SEA
$615
China Eastern
Aug 16
LAX
65h 40m
3 stops
SAI
Aug 26
SAI
26h 55m
2 stops
LAX
$755
China Eastern
Aug 16
LAX
65h 40m
3 stops
SAI
Aug 26
SAI
26h 55m
2 stops
LAX
$758
Singapore Airlines
Oct 10
SEA
33h 25m
1 stop
SAI
Oct 16
SAI
30h 45m
1 stop
SEA
$770
Singapore Airlines
Oct 10
SEA
33h 25m
1 stop
SAI
Oct 16
SAI
30h 45m
1 stop
SEA
$773
Singapore Airlines
Sep 29
SEA
33h 25m
1 stop
SAI
Oct 16
SAI
30h 45m
1 stop
SEA
$776
Singapore Airlines
Oct 19
SFO
31h 55m
1 stop
SAI
Nov 2
SAI
30h 05m
1 stop
SFO
$796
Singapore Airlines
Sep 17
SEA
33h 25m
1 stop
SAI
Oct 1
SAI
36h 15m
1 stop
SEA
$798
Singapore Airlines
Oct 19
SFO
31h 55m
1 stop
SAI
Nov 2
SAI
30h 05m
1 stop
SFO
$799
Singapore Airlines
Sep 27
SEA
33h 25m
1 stop
SAI
Oct 15
SAI
36h 15m
1 stop
SEA
$800
Singapore Airlines
Oct 9
SFO
37h 25m
1 stop
SAI
Oct 18
SAI
37h 20m
1 stop
SFO
$843

Find the cheapest flights from the United States to Siem Reap

Recent round-trip flight deals from the United States to Siem Reap

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 8:45 am
SAI
-
SEA
36h 15m
1 stop
$589Singapore Airlines
Di, Sep 29 - Do, Okt 15
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
10:30 am - 8:45 am
SAI
-
SEA
36h 15m
1 stop
$615Singapore Airlines
Di, Sep 29 - Do, Okt 15
China Eastern Logo
12:30 pm - 8:10 pm
LAX
-
SAI
65h 40m
3 stops
China Eastern Logo
9:10 pm - 10:05 am
SAI
-
LAX
26h 55m
2 stops
$755China Eastern
So, Aug 16 - Mi, Aug 26
China Eastern Logo
12:30 pm - 8:10 pm
LAX
-
SAI
65h 40m
3 stops
China Eastern Logo
9:10 pm - 10:05 am
SAI
-
LAX
26h 55m
2 stops
$758China Eastern
So, Aug 16 - Mi, Aug 26
Singapore Airlines Logo
10:15 am - 9:40 am
SEA
-
SAI
33h 25m
1 stop
Singapore Airlines Logo
4:00 pm - 8:45 am
SAI
-
SEA
30h 45m
1 stop
$770Singapore Airlines
Sa, Okt 10 - Fr, Okt 16
Multiple Airlines Logo
11:30 am - 2:25 pm
LAX
-
SAI
35h 55m
2 stops
Multiple Airlines Logo
10:00 pm - 9:05 am
SAI
-
LAX
50h 05m
2 stops
$885Multiple Airlines
Fr, Nov 13 - Di, Nov 17
Multiple Airlines Logo
12:30 pm - 9:00 am
LAX
-
SAI
30h 30m
2 stops
Multiple Airlines Logo
10:00 pm - 10:05 am
SAI
-
LAX
50h 05m
2 stops
$898Multiple Airlines
Fr, Okt 2 - Di, Okt 27
Vietnam Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
Vietnam Airlines Logo
7:10 pm - 5:55 pm
SAI
-
SFO
36h 45m
1 stop
$1,031Vietnam Airlines
Mi, Okt 7 - Di, Okt 20
Emirates Logo
10:20 pm - 9:30 pm
JFK
-
SAI
36h 10m
3 stops
Emirates Logo
12:55 pm - 6:55 pm
SAI
-
JFK
41h 00m
3 stops
$1,090Emirates
Di, Aug 25 - Di, Sep 1
Emirates Logo
10:20 pm - 9:30 pm
JFK
-
SAI
36h 10m
3 stops
Emirates Logo
12:55 pm - 8:50 am
SAI
-
JFK
54h 55m
2 stops
$1,102Emirates
Di, Aug 25 - Mo, Aug 31

momondo Fare Finder

 
Locate flights to Siem Reap that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on Juni 24, 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Di 9/29

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Do 10/15

10:30 am-8:45 am

1 stop36h 15m

$589

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Di 9/29

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Do 10/15

10:30 am-8:45 am

1 stop36h 15m

$615

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

So 8/16

12:30 pm-8:10 pm

3 stops65h 40m

Siem Reap–Angkor Intl

Mi 8/26

9:10 pm-10:05 am

2 stops26h 55m

$755

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

So 8/16

12:30 pm-8:10 pm

3 stops65h 40m

Siem Reap–Angkor Intl

Mi 8/26

9:10 pm-10:05 am

2 stops26h 55m

$758
Quickest round-trip

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Sa 10/10

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Fr 10/16

4:00 pm-8:45 am

1 stop30h 45m

$770

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Fr 11/13

11:30 am-2:25 pm

2 stops35h 55m

Siem Reap–Angkor Intl

Di 11/17

10:00 pm-9:05 am

2 stops50h 05m

$885

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Fr 10/2

12:30 pm-9:00 am

2 stops30h 30m

Siem Reap–Angkor Intl

Di 10/27

10:00 pm-10:05 am

2 stops50h 05m

$898

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mi 10/7

10:50 pm-6:20 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Di 10/20

7:10 pm-5:55 pm

1 stop36h 45m

$1,031

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Di 8/25

10:20 pm-9:30 pm

3 stops36h 10m

Siem Reap–Angkor Intl

Di 9/1

12:55 pm-6:55 pm

3 stops41h 00m

$1,090

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Di 8/25

10:20 pm-9:30 pm

3 stops36h 10m

Siem Reap–Angkor Intl

Mo 8/31

12:55 pm-8:50 am

2 stops54h 55m

$1,102

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

Siem Reap flights insights and trends

Explore insights for your Siem Reap flight to craft the best travel plan

How long is the flight from United States to Region of Siem Reap?

Average flight duration from United States to Region of Siem Reap depends on which airport you fly into and out of. Flying from Los Angeles Los Angeles to Siem Reap–Angkor Intl is 27h 55m on average, while flying from San Francisco to Siem Reap–Angkor Intl is 27h 10m on average. Siem Reap–Angkor Intl is the most popular airport in Region of Siem Reap.

Cheapest flights to cities in Siem Reap

Click on the cities below to find out when it's cheapest to fly to Siem Reap from United States
Siem Reap
Siem Reap

Cheap Siem Reap flight deals and tips

Summary info about Siem Reap flight prices, duration and airlines

Best One-Way Price

$451

Best Round-Trip Price

$589

Fastest flight time

28h 50m

Popular in

June
The best one-way flight price to Siem Reap from United States in the last 5 days is $451 (Los Angeles Los Angeles to Siem Reap–Angkor Intl).
The best round-trip flight price to Siem Reap from United States in the last 5 days is $589 (Seattle/Tacoma Intl to Siem Reap–Angkor Intl).
The fastest flight to Siem Reap from United States takes 28h 50m (New York John F Kennedy Intl to Siem Reap–Angkor Intl).
June has the highest demand for flights to Siem Reap, with a 16% price increase on average.

Frequently asked questions about flying to Siem Reap

What is the cheapest flight I can find to Region of Siem Reap?

The average flight to Region of Siem Reap costs $172/per person and the cheapest flight to Region of Siem Reap is $52/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on traveling.

What is the best airport to fly into to visit Siem Reap?

What are the most popular landmarks in Region of Siem Reap?

What is the weather like in Region of Siem Reap?

The temperatures in Region of Siem Reap range from 75.2 °F to 84.2 °F depending on the time of year. The warmest month in Region of Siem Reap is April, and the coldest month in Region of Siem Reap is December. Those looking for a drier month during their visit should travel during the months of January, February, or February, when rain is least likely compared to the rest of the year.

When did momondo last update prices for flights to Siem Reap?

Prices for flights to Siem Reap refresh daily.

How many operators does momondo search for flights to Siem Reap?

How old do you have to be to fly to Siem Reap?

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 to Siem Reap.

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

The required travel and health documents for your Siem Reap 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. 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 to Siem Reap?

It is quick and easy to find flights to Siem Reap on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

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

How can momondo help me find flights 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 to Siem Reap.

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

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1 adult
Fr 7/24
Fr 7/31

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