How long does it take to fly to Siem Reap?

On average, it takes 23h 10m to fly from United States to Siem Reap if you fly out of New York (the most popular airport in United States) and into Siem Reap (the most popular airport in Siem Reap). If you’re flying out of San Francisco and into Siem Reap, then the flight time is around 23h 35m.

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

China Eastern, Vietnam Airlines, and Etihad Airways are the most popular carriers operating from United States to Siem Reap–Angkor Intl

When did momondo last update prices for flights from United States to Siem Reap–Angkor Intl Airport?

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

How many operators does momondo search for flights from United States to Siem Reap–Angkor Intl Airport?

As of May 2026, there are 2 operators available to choose from for flights from United States to Siem Reap–Angkor Intl Airport.

How old do you have to be to fly from United States to Siem Reap–Angkor Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Siem Reap–Angkor Intl Airport.

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

The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport 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–Angkor Intl Airport. 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

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from the United States to Siem Reap

Round-trip

One-way

Last minute

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

Enter your travel dates to find the best prices.

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

1:55 am - 6:55 pm

JFK

SAI

30h 00m

2 stops

12:55 pm - 6:00 am

SAI

JFK

28h 05m

2 stops

$992Multiple Airlines

Sun, Aug 30 - Mon, Sep 14

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 Siem Reap

Our best Singapore Airlines deals on United States to 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 Siem Reap

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

Qatar Airways

Sep 9

DFW6:20 pmDallas/Fort Worth

29h 55m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Sep 21

SAI7:35 pmSiem Reap–Angkor Intl

32h 05m

2 stops

DFW3:40 pmDallas/Fort Worth

$1,508

Qatar Airways

Sep 7

DFW6:20 pmDallas/Fort Worth

36h 35m

2 stops

SAI6:55 pmSiem Reap–Angkor Intl

Sep 21

SAI7:35 pmSiem Reap–Angkor Intl

32h 05m

2 stops

DFW3:40 pmDallas/Fort Worth

$1,604

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

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 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

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sun 8/30

1:55 am-6:55 pm

2 stops30h 00m

Siem Reap–Angkor Intl

Mon 9/14

12:55 pm-6:00 am

2 stops28h 05m

$992

Quickest round-trip

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Siem Reap?

If you don’t want to visit Siem Reap in April, then you should wait until August to fly from United States, when ticket prices are also cheap, with an average price of $611.

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

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

Cheap United States to Siem Reap flight deals and tips

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

Fastest flight time	23h 10m
Direct flights	None

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

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

Search flight deals

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–Angkor Intl Airport?
Prices for flights from United States to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Siem Reap–Angkor Intl Airport?
As of May 2026, there are 2 operators available to choose from for flights from United States to Siem Reap–Angkor Intl Airport.
How old do you have to be to fly from United States to Siem Reap–Angkor Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport 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–Angkor Intl Airport. 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 Siem Reap

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

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $523	Free Cancellation	Rating 8.2 1,513 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?

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from United States.

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 not ready to book a flight from United States to Siem Reap now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Siem Reap and let you know when they change.

An easier way to manage your 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 6/14

Sun 6/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Airlines

Cabin classes

Other Cambodia destinations

Other flights from the United States

Complete your trip

Feeling lucky

Fly your favorite airline to Siem Reap

Singapore Airlines

Vietnam Airlines

Cheap flights from the United States to Siem Reap from $483

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 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Siem Reap

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

Recent one-way flight deals from the United States to Siem Reap

Recent last minute flight deals from the United States to Siem Reap

Singapore Airlines flights from United States to Siem Reap

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

Qatar Airways flights from United States to Siem Reap

Our best Qatar Airways deals on United States to 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 Siem Reap

What is the cheapest month to fly to Siem Reap?

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

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

How long does it take to fly to Siem Reap?

Cheap United States to Siem Reap flight deals and tips

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

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

Why use momondo?

An easier way to manage your 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 Cambodia

Fly your favorite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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.

Popular cities in Cambodia

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

Fly to other destinations from the United States

According to popular flight searches on momondo this year

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year