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 40m on average, while flying from San Francisco to Siem Reap is 28h 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?

Singapore Airlines, China Eastern, and Etihad Airways 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 October 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.

$315 Cheap Flights from the United States to Siem Reap in 2026/27

Discover deals from 900+ travel sites with momondo.

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

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

$587Singapore 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

$599Singapore 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

$599Singapore Airlines

Sun, Jan 31 - Mon, Feb 15

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

65h 35m2 stops Shanghai Pu Dong Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m3 stops Kunming Changshui Hengyang Shanghai Pu Dong

$777China Eastern

Wed, Jan 27 - Tue, Feb 9

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

65h 35m2 stops Shanghai Pu Dong Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m2 stops Kunming Changshui Shanghai Pu Dong

$777China Eastern

Wed, Jan 27 - Tue, Feb 9

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

41h 35m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m2 stops Kunming Changshui Shanghai Pu Dong

$777China Eastern

Tue, Nov 24 - Sun, Dec 6

8:55 pm - 8:25 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

32h 30m2 stops Shenzhen Phnom Penh Techo Intl

9:05 pm - 7:00 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

36h 55m2 stops Phnom Penh Techo Intl Beijing Capital

$897Multiple Airlines

Tue, Dec 1 - Thu, Dec 10

11:05 am - 6:45 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

40h 40m2 stops Hong Kong Intl Bangkok Suvarnabhumi

1:20 pm - 9:05 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

22h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Wed, Jan 27 - Tue, Feb 9

9:20 pm - 6:45 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

30h 25m2 stops Hong Kong Intl Bangkok Suvarnabhumi

1:20 pm - 10:05 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

22h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Mon, Feb 15 - Mon, Mar 15

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

Enter your travel dates to find the best prices.

11:05 am - 6:30 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

40h 25m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:55 am - 4:30 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

21h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Mon, Nov 2 - Wed, Dec 2

10:45 pm - 6:30 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

28h 45m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:55 am - 4:30 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

21h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Mon, Nov 2 - Wed, Dec 2

9:40 am - 9:55 amSFO San Francisco-SAI Siem Reap–Angkor Intl

33h 15m1 stop Singapore Changi

4:50 pm - 7:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

30h 00m1 stop Singapore Changi

$1,017Singapore Airlines

Tue, Nov 3 - Wed, Nov 11

9:40 am - 9:55 amSFO San Francisco-SAI Siem Reap–Angkor Intl

33h 15m1 stop Singapore Changi

4:50 pm - 7:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

30h 00m1 stop Singapore Changi

$1,020Singapore Airlines

Tue, Nov 3 - Wed, Nov 11

9:40 am - 9:55 amSFO San Francisco-SAI Siem Reap–Angkor Intl

33h 15m1 stop Singapore Changi

4:50 pm - 7:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

30h 00m1 stop Singapore Changi

$1,091Singapore Airlines

Tue, Nov 3 - Wed, Nov 11

9:40 am - 9:55 amSFO San Francisco-SAI Siem Reap–Angkor Intl

33h 15m1 stop Singapore Changi

4:50 pm - 7:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

30h 00m1 stop Singapore Changi

$1,096Singapore Airlines

Tue, Nov 3 - Wed, Nov 11

9:40 am - 9:55 amSFO San Francisco-SAI Siem Reap–Angkor Intl

33h 15m1 stop Singapore Changi

4:50 pm - 7:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

30h 00m1 stop Singapore Changi

$1,098Singapore Airlines

Tue, Nov 3 - Wed, Nov 11

10:55 pm - 6:30 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

28h 35m2 stops Hong Kong Intl Bangkok Suvarnabhumi

1:20 pm - 8:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

22h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,101Multiple Airlines

Mon, Nov 2 - Wed, Nov 11

10:05 pm - 4:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

26h 55m1 stop Singapore Changi

10:45 am - 7:55 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

24h 10m1 stop Singapore Changi

$1,121Singapore Airlines

Mon, Nov 2 - Wed, Dec 2

12:45 pm - 4:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

36h 15m2 stops Tokyo Narita Singapore Changi

10:45 am - 6:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

22h 25m1 stop Singapore Changi

$1,122Singapore Airlines

Mon, Nov 2 - Wed, Dec 2

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

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

Jan 20

SEA8:40 amSeattle/Tacoma Intl

40h 20m

1 stop

SAI4:00 pmSiem Reap–Angkor Intl

Jan 25

SAI10:45 amSiem Reap–Angkor Intl

35h 20m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$585

Singapore Airlines

Jan 20

SEA8:40 amSeattle/Tacoma Intl

40h 20m

1 stop

SAI4:00 pmSiem Reap–Angkor Intl

Feb 2

SAI4:50 pmSiem Reap–Angkor Intl

29h 15m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$587

Singapore Airlines

Jan 20

SEA8:40 amSeattle/Tacoma Intl

40h 20m

1 stop

SAI4:00 pmSiem Reap–Angkor Intl

Feb 2

SAI10:45 amSiem Reap–Angkor Intl

35h 20m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$599

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

Nov 12

JFK3:00 pmNew York John F Kennedy Intl

33h 40m

2 stops

SAI12:40 pmSiem Reap–Angkor Intl

Dec 16

SAI1:20 pmSiem Reap–Angkor Intl

37h 40m

2 stops

JFK3:00 pmNew York John F Kennedy Intl

$1,092

Etihad Airways

Nov 4

JFK3:00 pmNew York John F Kennedy Intl

30h 15m

2 stops

SAI9:15 amSiem Reap–Angkor Intl

Nov 14

SAI7:25 pmSiem Reap–Angkor Intl

55h 35m

2 stops

JFK3:00 pmNew York John F Kennedy Intl

$1,182

Etihad Airways

Feb 14

JFK3:00 pmNew York John F Kennedy Intl

30h 15m

2 stops

SAI9:15 amSiem Reap–Angkor Intl

Feb 28

SAI1:20 pmSiem Reap–Angkor Intl

37h 40m

2 stops

JFK3:00 pmNew York John F Kennedy Intl

$1,183

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

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

$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

Tue 2/2

4:50 pm-7:05 am

1 stop29h 15m

$587

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

Tue 2/2

10:45 am-7:05 am

1 stop35h 20m

$599

SeattleSiem Reap

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

SEASAI

Seattle/Tacoma Intl

Sun 1/31

8:40 am-4:00 pm

1 stop40h 20m

Siem Reap–Angkor Intl

Mon 2/15

10:45 am-7:05 am

1 stop35h 20m

$599

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Wed 1/27

11:30 am-8:05 pm

2 stops65h 35m

Siem Reap–Angkor Intl

Tue 2/9

9:05 pm-9:05 am

3 stops51h 00m

$777

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Wed 1/27

11:30 am-8:05 pm

2 stops65h 35m

Siem Reap–Angkor Intl

Tue 2/9

9:05 pm-9:05 am

2 stops51h 00m

$777

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Tue 11/24

11:30 am-8:05 pm

3 stops41h 35m

Siem Reap–Angkor Intl

Sun 12/6

9:05 pm-9:05 am

2 stops51h 00m

$777

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Tue 12/1

8:55 pm-8:25 pm

2 stops32h 30m

Siem Reap–Angkor Intl

Thu 12/10

9:05 pm-7:00 pm

2 stops36h 55m

$897

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Wed 1/27

11:05 am-6:45 pm

2 stops40h 40m

Siem Reap–Angkor Intl

Tue 2/9

1:20 pm-9:05 pm

2 stops22h 45m

$906

Quickest round-trip

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Mon 2/15

9:20 pm-6:45 pm

2 stops30h 25m

Siem Reap–Angkor Intl

Mon 3/15

1:20 pm-10:05 pm

2 stops22h 45m

$906

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 April is another great option to travel to Region of Siem Reap, with average flight prices from United States averaging around $678.

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

You could potentially save up to 24% 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	$315
Fastest flight time	21h 30m
Direct flights	None

The best one-way flight to Region of Siem Reap from United States in the past 72 hours is $315. 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 21h 30m

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 October 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 $599	Free Cancellation	Rating 8.2 1,631 reviews		Search Singapore Airlines flights
China Eastern	PriceFrom $677	Free Cancellation	Rating 7.3 247 reviews		Search China Eastern 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

Mon 11/30

Mon 12/7

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 $666

Flights to Krong Preah Sihanoukfrom $1,239

Cheap flights from the United States to Siem Reap from $315

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

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

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