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

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

How long does it take to fly to Siem Reap?

On average, it takes 23h 15m 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 Los Angeles and into Siem Reap, then the flight time is around 26h 10m.

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 September 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.

$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 - 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

$683Singapore Airlines

Wed, Jan 27 - Tue, Feb 23

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

$751Singapore Airlines

Fri, Jan 15 - Sat, Jan 23

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

$751Singapore Airlines

Sat, Jan 16 - Thu, Jan 21

11:30 am - 9:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

66h 30m2 stops Shanghai Pu Dong Kunming Changshui

10:00 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

26h 05m2 stops Kunming Changshui Shanghai Pu Dong

$769China Eastern

Wed, Nov 18 - Tue, Dec 8

11:30 am - 9:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

42h 30m2 stops Shanghai Pu Dong Kunming Changshui

10:00 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

26h 05m2 stops Kunming Changshui Shanghai Pu Dong

$769China Eastern

Thu, Nov 19 - Tue, Dec 8

11:30 am - 9:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

42h 30m3 stops Shanghai Pu Dong Changsha Huanghua Intl Kunming Changshui

10:00 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

26h 05m2 stops Kunming Changshui Shanghai Pu Dong

$769China Eastern

Thu, Nov 19 - Tue, Dec 8

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

$775Singapore Airlines

Wed, Jan 13 - Thu, Jan 21

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

$814Vietnam Airlines

Wed, Oct 7 - Sat, Oct 17

9:10 pm - 8:30 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

32h 20m1 stop Ho Chi Minh City

6:40 pm - 5:00 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 20m1 stop Ho Chi Minh City

$840Vietnam Airlines

Sat, Nov 7 - Wed, Nov 25

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

29h 30m1 stop Ho Chi Minh City

9:35 am - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

22h 20m1 stop Ho Chi Minh City

$920Vietnam Airlines

Thu, Oct 1 - Thu, Oct 8

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

Enter your travel dates to find the best prices.

4:50 pm - 9:00 amLAX Los Angeles-SAI Siem Reap–Angkor Intl

26h 10m2 stops Tokyo Haneda Bangkok Suvarnabhumi

7:10 pm - 3:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

34h 00m2 stops Ho Chi Minh City Tokyo Haneda

$1,016Multiple Airlines

Wed, Sep 9 - Sun, Sep 13

9:15 pm - 3:10 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

27h 55m1 stop Singapore Changi

4:00 pm - 9:50 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

19h 50m1 stop Singapore Changi

$1,128Singapore Airlines

Wed, Sep 9 - Sun, Sep 13

9:15 pm - 3:10 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

27h 55m1 stop Singapore Changi

10:30 am - 9:50 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

25h 20m1 stop Singapore Changi

$1,128Singapore Airlines

Wed, Sep 9 - Sun, Sep 13

9:15 pm - 3:10 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

27h 55m1 stop Singapore Changi

4:00 pm - 12:50 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

34h 50m2 stops Singapore Changi Tokyo Narita

$1,140Singapore Airlines

Wed, Sep 9 - Sun, Sep 13

9:15 pm - 3:10 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

27h 55m1 stop Singapore Changi

4:00 pm - 12:50 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

34h 50m2 stops Singapore Changi Tokyo Narita

$1,141Singapore Airlines

Wed, Sep 9 - Sun, Sep 13

9:35 pm - 6:55 pmPDX Portland-SAI Siem Reap–Angkor Intl

55h 20m3 stops San Francisco Hong Kong Intl Bangkok Suvarnabhumi

9:55 am - 8:31 pmSAI Siem Reap–Angkor Intl-PDX Portland

25h 36m3 stops Bangkok Suvarnabhumi Hong Kong Intl Los Angeles

$1,225Multiple Airlines

Fri, Sep 11 - Mon, Dec 7

9:35 pm - 6:55 pmPDX Portland-SAI Siem Reap–Angkor Intl

55h 20m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

6:40 pm - 1:50 pmSAI Siem Reap–Angkor Intl-PDX Portland

34h 10m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl San Francisco

$1,378Multiple Airlines

Fri, Sep 11 - Mon, Dec 7

9:32 pm - 5:10 pmPDX Portland-SAI Siem Reap–Angkor Intl

29h 38m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Hanoi Noibai

6:40 pm - 1:50 pmSAI Siem Reap–Angkor Intl-PDX Portland

34h 10m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl San Francisco

$1,380Multiple Airlines

Fri, Sep 11 - Mon, Dec 7

9:34 pm - 6:20 pmPDX Portland-SAI Siem Reap–Angkor Intl

30h 46m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

9:35 am - 10:01 pmSAI Siem Reap–Angkor Intl-PDX Portland

26h 26m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,397Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

5:53 pm - 6:20 pmPDX Portland-SAI Siem Reap–Angkor Intl

34h 27m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

9:30 pm - 11:25 amSAI Siem Reap–Angkor Intl-PDX Portland

28h 55m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl Los Angeles

$1,400Multiple Airlines

Fri, Sep 11 - Mon, Dec 7

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Singapore Airlines flights from United States to Siem Reap

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

Singapore Airlines

Jan 27

SEA8:40 amSeattle/Tacoma Intl

34h 15m

1 stop

SAI9:55 amSiem Reap–Angkor Intl

Feb 23

SAI10:45 amSiem Reap–Angkor Intl

35h 20m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$683

Singapore Airlines

Jan 15

SEA8:40 amSeattle/Tacoma Intl

34h 15m

1 stop

SAI9:55 amSiem Reap–Angkor Intl

Jan 23

SAI10:45 amSiem Reap–Angkor Intl

35h 20m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$751

Singapore Airlines

Jan 13

SEA8:40 amSeattle/Tacoma Intl

34h 15m

1 stop

SAI9:55 amSiem Reap–Angkor Intl

Jan 21

SAI10:45 amSiem Reap–Angkor Intl

35h 20m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$775

Etihad Airways flights from United States to Siem Reap

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

Etihad Airways

Oct 4

JFK10:20 pmNew York John F Kennedy Intl

33h 35m

2 stops

SAI6:55 pmSiem Reap–Angkor Intl

Oct 20

SAI12:40 pmSiem Reap–Angkor Intl

30h 55m

2 stops

JFK8:35 amNew York John F Kennedy Intl

$1,018

Etihad Airways

Oct 14

JFK3:45 pmNew York John F Kennedy Intl

30h 15m

2 stops

SAI9:00 amSiem Reap–Angkor Intl

Nov 4

SAI7:25 pmSiem Reap–Angkor Intl

48h 35m

2 stops

JFK8:00 amNew York John F Kennedy Intl

$1,038

Etihad Airways

Oct 13

JFK10:20 pmNew York John F Kennedy Intl

47h 40m

2 stops

SAI9:00 amSiem Reap–Angkor Intl

Nov 3

SAI9:55 amSiem Reap–Angkor Intl

34h 05m

2 stops

JFK8:00 amNew York John F Kennedy Intl

$1,040

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 1/27

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Tue 2/23

10:45 am-7:05 am

1 stop35h 20m

$683

SeattleSiem Reap

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

SEASAI

Seattle/Tacoma Intl

Fri 1/15

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Sat 1/23

10:45 am-7:05 am

1 stop35h 20m

$751

SeattleSiem Reap

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

SEASAI

Seattle/Tacoma Intl

Sat 1/16

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Thu 1/21

10:45 am-7:05 am

1 stop35h 20m

$751

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Wed 11/18

11:30 am-9:00 pm

2 stops66h 30m

Siem Reap–Angkor Intl

Tue 12/8

10:00 pm-9:05 am

2 stops26h 05m

$769

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Thu 11/19

11:30 am-9:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Tue 12/8

10:00 pm-9:05 am

2 stops26h 05m

$769

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Thu 11/19

11:30 am-9:00 pm

3 stops42h 30m

Siem Reap–Angkor Intl

Tue 12/8

10:00 pm-9:05 am

2 stops26h 05m

$769

SeattleSiem Reap

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

SEASAI

Seattle/Tacoma Intl

Wed 1/13

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Thu 1/21

10:45 am-7:05 am

1 stop35h 20m

$775

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Wed 10/7

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

$814

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Sat 11/7

9:10 pm-8:30 pm

1 stop32h 20m

Siem Reap–Angkor Intl

Wed 11/25

6:40 pm-5:00 pm

1 stop37h 20m

$840

Quickest round-trip

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Thu 10/1

10:50 pm-6:20 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Thu 10/8

9:35 am-5:55 pm

1 stop22h 20m

$920

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 February to fly from United States, when ticket prices are also cheap, with an average price of $930.

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

You could potentially save up to 20% 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

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

The best one-way flight to Siem Reap from United States in the past 72 hours is $316. The best round-trip flight deal from United States to Siem Reap found on momondo in the last 72 hours is $683.

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

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 September 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 $511	Free Cancellation	Rating 8.2 1,595 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?

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.

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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.

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Singapore Airlines flights from United States to Siem Reap

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

Etihad Airways flights from United States to Siem Reap

Our best Etihad 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

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 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.

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

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According to popular flight searches on momondo this year

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