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 New York to Siem Reap is 23h 10m on average, while flying from San Francisco to Siem Reap is 23h 35m on average. Siem Reap is the most popular airport in Region of Siem Reap.

What is the cheapest airline that flies from United States to Siem Reap?

China Eastern, Etihad Airways, and Singapore Airlines are the most popular carriers operating from United States to Siem Reap

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

Prices for flights from United States to Siem Reap are refreshed on a daily basis.

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

There are 2 operators available for flights from United States to Siem Reap as of May 2026.

How old do you have to be to fly from United States to Siem Reap?

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 United States to Siem Reap.

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

The travel and health documents you'll need for your trip to Siem Reap may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$483 Cheap Flights from the United States to Siem Reap in 2026

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Find the cheapest flights from the United States to Siem Reap

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One-way

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

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12:00 pm - 8:10 pm

SFO

SAI

42h 10m

2 stops

9:10 pm - 9:05 am

SAI

SFO

25h 55m

2 stops

$762China Eastern

Mon, Sep 14 - Wed, Oct 21

10:15 am - 9:40 am

SEA

SAI

33h 25m

1 stop

10:30 am - 8:45 am

SAI

SEA

36h 15m

1 stop

$770Singapore Airlines

Thu, Oct 15 - Mon, Oct 19

12:30 pm - 10:55 am

LAX

SAI

32h 25m

2 stops

10:00 pm - 9:05 am

SAI

LAX

50h 05m

2 stops

$906Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

12:20 am - 6:55 pm

SFO

SAI

28h 35m

2 stops

9:40 am - 10:40 pm

SAI

SFO

27h 00m

2 stops

$989Multiple Airlines

Wed, Sep 16 - Tue, Oct 20

11:00 pm - 12:15 pm

JFK

SAI

26h 15m

2 stops

12:55 pm - 8:50 am

SAI

JFK

30h 55m

2 stops

$1,102Emirates

Mon, Aug 3 - Tue, Sep 8

10:20 pm - 9:30 pm

JFK

SAI

60h 10m

3 stops

12:55 pm - 6:55 pm

SAI

JFK

41h 00m

3 stops

$1,117Emirates

Mon, Aug 31 - Mon, Sep 14

4:25 pm - 4:55 pm

BOS

SAI

61h 30m

2 stops

7:20 pm - 2:40 pm

SAI

BOS

54h 20m

2 stops

$1,434Etihad Airways

Tue, Jul 28 - Fri, Aug 14

11:40 am - 5:10 pm

EWR

SAI

42h 30m

2 stops

7:10 pm - 5:20 pm

SAI

EWR

33h 10m

2 stops

$1,590ANA

Mon, Aug 17 - Mon, Aug 31

11:40 am - 5:10 pm

EWR

SAI

42h 30m

2 stops

7:10 pm - 5:40 pm

SAI

EWR

33h 30m

2 stops

$1,794ANA

Mon, Aug 3 - Tue, Sep 8

10:30 am - 12:40 pm

PHL

SAI

38h 10m

3 stops

1:20 pm - 5:32 pm

SAI

PHL

40h 12m

3 stops

$1,940Etihad Airways

Wed, Nov 4 - Sat, Nov 14

Singapore Airlines flights from United States to Region of Siem Reap

Our best Singapore Airlines deals on United States to Region of Siem Reap flight tickets

Singapore Airlines

Oct 15

SEA10:15 amSeattle/Tacoma Intl

33h 25m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Oct 19

SAI10:30 amSiem Reap–Angkor Intl

36h 15m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$770

Singapore Airlines

Sep 14

SFO11:45 amSan Francisco

37h 25m

1 stop

SAI3:10 pmSiem Reap–Angkor Intl

Oct 21

SAI4:00 pmSiem Reap–Angkor Intl

31h 50m

1 stop

SFO9:50 amSan Francisco

$794

Singapore Airlines

Oct 8

SEA10:15 amSeattle/Tacoma Intl

33h 25m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Oct 12

SAI10:30 amSiem Reap–Angkor Intl

36h 15m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$797

Qatar Airways flights from United States to Region of Siem Reap

Our best Qatar Airways deals on United States to Region of Siem Reap flight tickets

Qatar Airways

Jul 5

LAX4:20 pmLos Angeles

29h 55m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Aug 14

SAI7:35 pmSiem Reap–Angkor Intl

32h 25m

2 stops

LAX2:00 pmLos Angeles

$1,637

Qatar Airways

Jul 5

LAX4:20 pmLos Angeles

29h 55m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Aug 13

SAI12:55 pmSiem Reap–Angkor Intl

63h 05m

2 stops

LAX2:00 pmLos Angeles

$1,640

Qatar Airways

Sep 26

ORD7:20 pmChicago O'Hare Intl

25h 40m

2 stops

SAI9:00 amSiem Reap–Angkor Intl

Oct 25

SAI7:25 pmSiem Reap–Angkor Intl

32h 05m

2 stops

ORD3:30 pmChicago O'Hare Intl

$1,697

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 9/14

12:00 pm-8:10 pm

2 stops42h 10m

Siem Reap–Angkor Intl

Wed 10/21

9:10 pm-9:05 am

2 stops25h 55m

$762

SeattleSiem Reap

SEA - SAI

SEASAI

Seattle/Tacoma Intl

Thu 10/15

10:15 am-9:40 am

1 stop33h 25m

Siem Reap–Angkor Intl

Mon 10/19

10:30 am-8:45 am

1 stop36h 15m

$770

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 10/28

12:30 pm-10:55 am

2 stops32h 25m

Siem Reap–Angkor Intl

Thu 11/12

10:00 pm-9:05 am

2 stops50h 05m

$906

Quickest round-trip

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Wed 9/16

12:20 am-6:55 pm

2 stops28h 35m

Siem Reap–Angkor Intl

Tue 10/20

9:40 am-10:40 pm

2 stops27h 00m

$989

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Mon 8/3

11:00 pm-12:15 pm

2 stops26h 15m

Siem Reap–Angkor Intl

Tue 9/8

12:55 pm-8:50 am

2 stops30h 55m

$1,102

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Mon 8/31

10:20 pm-9:30 pm

3 stops60h 10m

Siem Reap–Angkor Intl

Mon 9/14

12:55 pm-6:55 pm

3 stops41h 00m

$1,117

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 7/28

4:25 pm-4:55 pm

2 stops61h 30m

Siem Reap–Angkor Intl

Fri 8/14

7:20 pm-2:40 pm

2 stops54h 20m

$1,434

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/17

11:40 am-5:10 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Mon 8/31

7:10 pm-5:20 pm

2 stops33h 10m

$1,590

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/3

11:40 am-5:10 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Tue 9/8

7:10 pm-5:40 pm

2 stops33h 30m

$1,794

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Wed 11/4

10:30 am-12:40 pm

3 stops38h 10m

Siem Reap–Angkor Intl

Sat 11/14

1:20 pm-5:32 pm

3 stops40h 12m

$1,940

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Region of 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

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Other information

What is the cheapest month to fly to Region of Siem Reap?

The month of August is another great option to travel to Region of Siem Reap, with average flight prices from United States averaging around $611.

Can stopping save me money on United States to Region of Siem Reap flights?

You could potentially save up to 46% on your flight if you consider stops on a United States to Region of Siem Reap flight.

Cheap United States to Region of Siem Reap flight deals and tips

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

Fastest flight time	23h 10m
Direct flights	None

The fastest flight from United States to Region of Siem Reap takes 23h 10m

There are no direct flights from United States to Region of Siem Reap. There are no popular flight routes from United States to Region of Siem Reap.

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Frequently asked questions about flying from the United States to Siem Reap

When did momondo last update prices for flights from United States to Siem Reap?
Prices for flights from United States to Siem Reap are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Siem Reap?
There are 2 operators available for flights from United States to Siem Reap as of May 2026.
How old do you have to be to fly from United States to Siem Reap?
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 United States to Siem Reap.
What documentation or ID do you need to fly to Siem Reap?
The travel and health documents you'll need for your trip to Siem Reap may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United States to Region of Siem Reap

Compare and see reviews for airlines that fly from United States to Region of Siem Reap with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $523	Free Cancellation	Rating 8.2 1,515 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $647	Free Cancellation	Rating 7.7 268 reviews		Search Vietnam Airlines flights

Why use momondo?

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

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

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

Flights from United States to Siem Reap with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential United States to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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Cheap flights from the United States to Siem Reap from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Siem Reap departing on 8/15. 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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Recent round-trip flight deals from the United States to Siem Reap

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Singapore Airlines flights from United States to Region of Siem Reap

Our best Singapore Airlines deals on United States to Region of Siem Reap flight tickets

Qatar Airways flights from United States to Region of Siem Reap

Our best Qatar Airways deals on United States to Region of Siem Reap flight tickets

momondo Fare Finder

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

See travel insights to Siem Reap from

How to get the cheapest flight ticket from United States to Region of Siem Reap

What is the cheapest month to fly to Region of Siem Reap?

Can stopping save me money on United States to Region of Siem Reap flights?

What is the cheapest airline that flies from United States to Siem Reap?

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

Cheap United States to Region of Siem Reap flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from the United States to Siem Reap

Best airlines flying from United States to Region of Siem Reap

Compare and see reviews for airlines that fly from United States to Region of Siem Reap with momondo

Why use momondo?

An easier way to manage your Region of 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 Siem Reap

Popular cities in Siem Reap

Popular flights according to clicks in the last 7 days on momondo

United States flight routes

According to popular flight searches on momondo this year

Region of Siem Reap flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Siem Reap

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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.

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