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 15m on average, while flying from Los Angeles to Siem Reap is 26h 55m 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?

Singapore Airlines, China Eastern, and Vietnam 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 August 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.

$316 Cheap Flights from the United States to Siem Reap in 2026

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.

8:40 am - 4:00 pmSEA Seattle/Tacoma Intl-SAI Siem Reap–Angkor Intl

40h 20m1 stop Singapore Changi

10:45 am - 7:05 amSAI Siem Reap–Angkor Intl-SEA Seattle/Tacoma Intl

35h 20m1 stop Singapore Changi

$585Singapore Airlines

Sat, Jan 23 - Sat, Feb 6

8:40 am - 9:55 amSEA Seattle/Tacoma Intl-SAI Siem Reap–Angkor Intl

34h 15m1 stop Singapore Changi

10:45 am - 7:05 amSAI Siem Reap–Angkor Intl-SEA Seattle/Tacoma Intl

35h 20m1 stop Singapore Changi

$585Singapore Airlines

Wed, Jan 20 - Tue, Feb 2

8:40 am - 4:00 pmSEA Seattle/Tacoma Intl-SAI Siem Reap–Angkor Intl

40h 20m1 stop Singapore Changi

10:45 am - 7:05 amSAI Siem Reap–Angkor Intl-SEA Seattle/Tacoma Intl

35h 20m1 stop Singapore Changi

$586Singapore Airlines

Wed, Jan 20 - Mon, Jan 25

8:40 am - 4:00 pmSEA Seattle/Tacoma Intl-SAI Siem Reap–Angkor Intl

40h 20m1 stop Singapore Changi

4:50 pm - 7:05 amSAI Siem Reap–Angkor Intl-SEA Seattle/Tacoma Intl

29h 15m1 stop Singapore Changi

$634Singapore Airlines

Wed, Jan 20 - Mon, Jan 25

10:50 pm - 6:20 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 30m1 stop Ho Chi Minh City

6:40 pm - 6:00 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 20m1 stop Ho Chi Minh City

$757Vietnam Airlines

Wed, Oct 14 - Wed, Oct 28

10:50 pm - 6:20 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 30m1 stop Ho Chi Minh City

7:10 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

36h 45m1 stop Ho Chi Minh City

$830Vietnam Airlines

Sat, Oct 10 - Sat, Oct 17

9:10 pm - 5:40 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 30m1 stop Ho Chi Minh City

9:30 pm - 5:00 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

34h 30m1 stop Ho Chi Minh City

$840Vietnam Airlines

Sat, Nov 7 - Wed, Nov 25

12:30 pm - 9:00 amLAX Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl

30h 30m2 stops Shanghai Pu Dong Phnom Penh Techo Intl

10:00 pm - 10:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles

26h 05m2 stops Kunming Changshui Shanghai Pu Dong

$863Multiple Airlines

Fri, Oct 2 - Tue, Oct 27

12:30 pm - 9:00 amLAX Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl

30h 30m2 stops Shanghai Pu Dong Phnom Penh Techo Intl

10:00 pm - 10:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles

50h 05m3 stops Kunming Changshui Fuzhou Shanghai Pu Dong

$863Multiple Airlines

Fri, Oct 2 - Tue, Oct 27

10:35 pm - 6:45 pmLAX Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl

29h 10m2 stops Hong Kong Intl Bangkok Suvarnabhumi

7:25 pm - 9:15 amSAI Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles

28h 50m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$887Multiple Airlines

Wed, Nov 4 - Tue, Dec 1

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

Enter your travel dates to find the best prices.

2:00 am - 6:55 pmJFK New York John F Kennedy Intl-SAI Siem Reap–Angkor Intl

29h 55m2 stops Tokyo Haneda Bangkok Suvarnabhumi

7:10 pm - 11:00 amSAI Siem Reap–Angkor Intl-JFK New York John F Kennedy Intl

26h 50m2 stops Ho Chi Minh City Tokyo Haneda

$1,294Multiple Airlines

Mon, Aug 31 - Thu, Sep 3

11:00 pm - 9:30 pmJFK New York John F Kennedy Intl-SAI Siem Reap–Angkor Intl

35h 30m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 6:55 pmSAI Siem Reap–Angkor Intl-JFK New York John F Kennedy Intl

54h 05m3 stops Bangkok Suvarnabhumi Dubai Intl Milan Malpensa

$1,579Emirates

Tue, Sep 1 - Thu, Sep 3

10:20 pm - 9:30 pmJFK New York John F Kennedy Intl-SAI Siem Reap–Angkor Intl

36h 10m3 stops Milan Malpensa Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 6:55 pmSAI Siem Reap–Angkor Intl-JFK New York John F Kennedy Intl

54h 05m3 stops Bangkok Suvarnabhumi Dubai Intl Milan Malpensa

$1,949Emirates

Tue, Sep 1 - Thu, Sep 3

12:25 am - 12:15 pmEWR Newark-SAI Siem Reap–Angkor Intl

24h 50m2 stops Istanbul Bangkok Suvarnabhumi

11:50 pm - 9:20 pmSAI Siem Reap–Angkor Intl-EWR Newark

32h 30m3 stops Bangkok Suvarnabhumi Dubai Intl Athens Eleftherios V.

$2,148Multiple Airlines

Mon, Aug 31 - Thu, Sep 3

11:55 pm - 9:30 pmEWR Newark-SAI Siem Reap–Angkor Intl

34h 35m3 stops Athens Eleftherios V. Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 11:07 pmSAI Siem Reap–Angkor Intl-EWR Newark

58h 17m3 stops Bangkok Suvarnabhumi Dubai Intl Chicago O'Hare Intl

$2,227Emirates

Tue, Sep 1 - Thu, Sep 3

10:15 pm - 9:40 amJFK New York John F Kennedy Intl-SAI Siem Reap–Angkor Intl

24h 25m1 stop Singapore Changi

11:50 pm - 11:00 pmSAI Siem Reap–Angkor Intl-JFK New York John F Kennedy Intl

34h 10m2 stops Bangkok Suvarnabhumi Incheon Intl

$2,565Multiple Airlines

Tue, Sep 1 - Thu, Sep 3

10:30 am - 9:00 amEWR Newark-SAI Siem Reap–Angkor Intl

35h 30m2 stops Tokyo Haneda Bangkok Suvarnabhumi

7:10 pm - 6:05 pmSAI Siem Reap–Angkor Intl-EWR Newark

33h 55m2 stops Ho Chi Minh City Tokyo Haneda

$2,687Multiple Airlines

Tue, Sep 1 - Thu, Sep 3

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

Vietnam Airlines flights from United States to Region of Siem Reap

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

Vietnam Airlines

Oct 14

SFO10:50 pmSan Francisco

29h 30m

1 stop

SAI6:20 pmSiem Reap–Angkor Intl

Oct 28

SAI6:40 pmSiem Reap–Angkor Intl

37h 20m

1 stop

SFO6:00 pmSan Francisco

$757

Vietnam Airlines

Oct 10

SFO10:50 pmSan Francisco

29h 30m

1 stop

SAI6:20 pmSiem Reap–Angkor Intl

Oct 17

SAI7:10 pmSiem Reap–Angkor Intl

36h 45m

1 stop

SFO5:55 pmSan Francisco

$830

Vietnam Airlines

Nov 7

SFO9:10 pmSan Francisco

29h 30m

1 stop

SAI5:40 pmSiem Reap–Angkor Intl

Nov 25

SAI9:30 pmSiem Reap–Angkor Intl

34h 30m

1 stop

SFO5:00 pmSan Francisco

$840

Etihad Airways flights from United States to Region of Siem Reap

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

Etihad Airways

Jan 26

JFK10:00 pmNew York John F Kennedy Intl

23h 15m

2 stops

SAI9:15 amSiem Reap–Angkor Intl

Feb 5

SAI2:50 pmSiem Reap–Angkor Intl

29h 10m

2 stops

JFK8:00 amNew York John F Kennedy Intl

$1,037

Etihad Airways

Nov 15

JFK10:00 pmNew York John F Kennedy Intl

48h 55m

2 stops

SAI10:55 amSiem Reap–Angkor Intl

Dec 7

SAI7:10 pmSiem Reap–Angkor Intl

48h 50m

2 stops

JFK8:00 amNew York John F Kennedy Intl

$1,041

Etihad Airways

Dec 1

JFK10:00 pmNew York John F Kennedy Intl

32h 45m

2 stops

SAI6:45 pmSiem Reap–Angkor Intl

Dec 18

SAI2:50 pmSiem Reap–Angkor Intl

29h 10m

2 stops

JFK8:00 amNew York John F Kennedy Intl

$1,044

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

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Sat 1/23

8:40 am-4:00 pm

1 stop40h 20m

Siem Reap–Angkor Intl

Sat 2/6

10:45 am-7:05 am

1 stop35h 20m

$585

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Tue 2/2

10:45 am-7:05 am

1 stop35h 20m

$585

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-4:00 pm

1 stop40h 20m

Siem Reap–Angkor Intl

Mon 1/25

10:45 am-7:05 am

1 stop35h 20m

$586

SeattleSiem Reap

SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl

SEASAI

Seattle/Tacoma Intl

Wed 1/20

8:40 am-4:00 pm

1 stop40h 20m

Siem Reap–Angkor Intl

Mon 1/25

4:50 pm-7:05 am

1 stop29h 15m

$634

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Wed 10/14

10:50 pm-6:20 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Wed 10/28

6:40 pm-6:00 pm

1 stop37h 20m

$757

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Sat 10/10

10:50 pm-6:20 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Sat 10/17

7:10 pm-5:55 pm

1 stop36h 45m

$830

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Sat 11/7

9:10 pm-5:40 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Wed 11/25

9:30 pm-5:00 pm

1 stop34h 30m

$840

Quickest round-trip

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Fri 10/2

12:30 pm-9:00 am

2 stops30h 30m

Siem Reap–Angkor Intl

Tue 10/27

10:00 pm-10:05 am

2 stops26h 05m

$863

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Fri 10/2

12:30 pm-9:00 am

2 stops30h 30m

Siem Reap–Angkor Intl

Tue 10/27

10:00 pm-10:05 am

3 stops50h 05m

$863

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Wed 11/4

10:35 pm-6:45 pm

2 stops29h 10m

Siem Reap–Angkor Intl

Tue 12/1

7:25 pm-9:15 am

2 stops28h 50m

$887

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

Prices

Airlines

Other information

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

The month of February is another great option to travel to Region of Siem Reap, with average flight prices from United States averaging around $930.

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

You could potentially save up to 20% 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

Best Price Found	$316
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Region of Siem Reap from United States in the past 72 hours is $316. The best round-trip flight deal from United States to Region of Siem Reap found on momondo in the last 72 hours is $585.

The fastest flight from United States to Region of Siem Reap takes 22h 50m

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.

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?
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 August 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 $511	Free Cancellation	Rating 8.2 1,591 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $647	Free Cancellation	Rating 7.7 286 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 9/30

Wed 10/7

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 Siem Reap

Popular cities

Other flights from the United States

Other flights to Siem Reap

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Siem Reap

Flights to Phnom Penh

Flights to Siem Reapfrom $585

Flights to Krong Preah Sihanoukfrom $1,202

Cheap flights from the United States to Siem Reap from $316

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 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

Vietnam Airlines flights from United States to Region of Siem Reap

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

Etihad Airways flights from United States to Region of Siem Reap

Our best Etihad 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

Best Price Found

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

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.

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year