Flights to Siem Reap

$598 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 4/30. 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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Recent flights found to popular cities in Siem Reap

Find flights to these popular cities in Siem Reap from your nearest airport.
Singapore Airlines
Apr 30
SFO
32h 40m
1 stop
SAI
May 14
SAI
36h 40m
1 stop
SFO
$598
Singapore Airlines
Apr 11
LAX
29h 20m
2 stops
SAI
Apr 17
SAI
22h 40m
1 stop
LAX
$661
Multiple Airlines
Mar 14
SFO
28h 50m
2 stops
SAI
Mar 18
SAI
21h 25m
2 stops
SFO
$737
Multiple Airlines
Mar 19
LAX
40h 50m
2 stops
SAI
Mar 26
SAI
26h 00m
2 stops
LAX
$751
Singapore Airlines
Apr 7
SEA
33h 25m
1 stop
SAI
Apr 15
SAI
36h 15m
1 stop
SEA
$755
Multiple Airlines
Mar 19
LAX
42h 30m
3 stops
SAI
Mar 26
SAI
26h 25m
2 stops
LAX
$787
Singapore Airlines
Mar 5
SEA
40h 10m
1 stop
SAI
Mar 12
SAI
35h 25m
1 stop
SEA
$792
Vietnam Airlines
Apr 1
SFO
29h 50m
1 stop
SAI
Apr 14
SAI
36h 15m
1 stop
SFO
$797
China Eastern
Mar 19
LAX
42h 30m
3 stops
SAI
Mar 26
SAI
50h 05m
3 stops
LAX
$804
Vietnam Airlines
Apr 4
SFO
29h 50m
1 stop
SAI
Apr 14
SAI
36h 15m
1 stop
SFO
$811
Vietnam Airlines
Apr 5
SFO
29h 50m
1 stop
SAI
Apr 14
SAI
36h 15m
1 stop
SFO
$812
Multiple Airlines
Apr 29
SFO
28h 25m
2 stops
SAI
May 14
SAI
23h 45m
2 stops
SFO
$813

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
11:00 am - 9:40 am
SFO
-
SAI
32h 40m
1 stop
Singapore Airlines Logo
10:30 am - 9:10 am
SAI
-
SFO
36h 40m
1 stop
$598Singapore Airlines
Thu, Apr 30 - Thu, May 14
Multiple Airlines Logo
11:55 pm - 6:45 pm
SFO
-
SAI
28h 50m
2 stops
Multiple Airlines Logo
9:55 am - 5:20 pm
SAI
-
SFO
21h 25m
2 stops
$737Multiple Airlines
Sat, Mar 14 - Wed, Mar 18
Vietnam Airlines Logo
10:50 pm - 6:40 pm
SFO
-
SAI
29h 50m
1 stop
Vietnam Airlines Logo
7:40 pm - 5:55 pm
SAI
-
SFO
36h 15m
1 stop
$797Vietnam Airlines
Wed, Apr 1 - Wed, Apr 8
China Eastern Logo
12:30 pm - 9:00 pm
LAX
-
SAI
42h 30m
3 stops
China Eastern Logo
10:00 pm - 10:05 am
SAI
-
LAX
50h 05m
3 stops
$804China Eastern
Thu, Mar 19 - Thu, Mar 26
Vietnam Airlines Logo
10:50 pm - 6:40 pm
SFO
-
SAI
29h 50m
1 stop
Vietnam Airlines Logo
7:40 pm - 5:55 pm
SAI
-
SFO
36h 15m
1 stop
$811Vietnam Airlines
Sat, Apr 4 - Tue, Apr 14
China Eastern Logo
12:00 pm - 8:10 pm
SFO
-
SAI
42h 10m
2 stops
China Eastern Logo
9:10 pm - 9:05 am
SAI
-
SFO
25h 55m
2 stops
$902China Eastern
Sat, Apr 4 - Wed, Apr 8
Emirates Logo
11:00 pm - 9:10 pm
JFK
-
SAI
34h 10m
2 stops
Emirates Logo
11:50 pm - 2:25 pm
SAI
-
JFK
49h 35m
2 stops
$1,082Emirates
Tue, Mar 3 - Tue, Mar 10
Emirates Logo
10:20 pm - 6:40 pm
JFK
-
SAI
56h 20m
3 stops
Emirates Logo
11:50 pm - 6:55 pm
SAI
-
JFK
30h 05m
3 stops
$1,108Emirates
Fri, Feb 27 - Tue, Mar 31
Qatar Airways Logo
6:14 am - 9:15 am
ONT
-
SAI
37h 01m
3 stops
Qatar Airways Logo
7:25 pm - 11:59 pm
SAI
-
ONT
42h 34m
3 stops
$1,714Qatar Airways
Mon, Mar 16 - Mon, Apr 20
Qatar Airways Logo
6:03 am - 9:00 am
MSP
-
SAI
38h 57m
3 stops
Qatar Airways Logo
7:25 pm - 10:21 pm
SAI
-
MSP
38h 56m
3 stops
$1,719Qatar Airways
Tue, Apr 7 - Fri, Apr 24

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 February 4, 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Depart

Return

Price

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Thu 4/30

11:00 am-9:40 am

1 stop32h 40m

Siem Reap–Angkor Intl

Thu 5/14

10:30 am-9:10 am

1 stop36h 40m

$598

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Sat 3/14

11:55 pm-6:45 pm

2 stops28h 50m

Siem Reap–Angkor Intl

Wed 3/18

9:55 am-5:20 pm

2 stops21h 25m

$737

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Wed 4/1

10:50 pm-6:40 pm

1 stop29h 50m

Siem Reap–Angkor Intl

Wed 4/8

7:40 pm-5:55 pm

1 stop36h 15m

$797

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Thu 3/19

12:30 pm-9:00 pm

3 stops42h 30m

Siem Reap–Angkor Intl

Thu 3/26

10:00 pm-10:05 am

3 stops50h 05m

$804

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Sat 4/4

10:50 pm-6:40 pm

1 stop29h 50m

Siem Reap–Angkor Intl

Tue 4/14

7:40 pm-5:55 pm

1 stop36h 15m

$811

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Sat 4/4

12:00 pm-8:10 pm

2 stops42h 10m

Siem Reap–Angkor Intl

Wed 4/8

9:10 pm-9:05 am

2 stops25h 55m

$902

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Tue 3/3

11:00 pm-9:10 pm

2 stops34h 10m

Siem Reap–Angkor Intl

Tue 3/10

11:50 pm-2:25 pm

2 stops49h 35m

$1,082

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Fri 2/27

10:20 pm-6:40 pm

3 stops56h 20m

Siem Reap–Angkor Intl

Tue 3/31

11:50 pm-6:55 pm

3 stops30h 05m

$1,108

OntarioSiem Reap

ONT - SAI

ONTSAI

Ontario

Mon 3/16

6:14 am-9:15 am

3 stops37h 01m

Siem Reap–Angkor Intl

Mon 4/20

7:25 pm-11:59 pm

3 stops42h 34m

$1,714

MinneapolisSiem Reap

MSP - SAI

MSPSAI

Minneapolis St Paul

Tue 4/7

6:03 am-9:00 am

3 stops38h 57m

Siem Reap–Angkor Intl

Fri 4/24

7:25 pm-10:21 pm

3 stops38h 56m

$1,719

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 to Siem Reap–Angkor Intl is 22h 45m on average, while flying from Miami to Siem Reap–Angkor Intl is 34h 55m 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

$276

Best Round-Trip Price

$598

Fastest flight time

25h 40m
The best one-way flight price to Siem Reap from United States in the last 72 hours is $276 (Seattle/Tacoma Intl to Siem Reap–Angkor Intl).
The best round-trip flight price to Siem Reap from United States in the last 72 hours is $598 (San Francisco to Siem Reap–Angkor Intl).
The fastest flight to Siem Reap from United States takes 25h 40m (Los Angeles to Siem Reap–Angkor Intl).

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 $193/per person and the cheapest flight to Region of Siem Reap is $42/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.

What airlines fly to Region of Siem Reap?

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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