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

Singapore Airlines, Vietnam Airlines, and Etihad Airways 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 24h 45m to fly from United States to Siem Reap if you fly out of Boston (the most popular airport in United States) and into Siem Reap (the most popular airport in Siem Reap). If you’re flying out of New York and into Siem Reap, then the flight time is around 25h 40m.

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 October 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.

$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

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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

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

29h 15m1 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

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 - 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

$601Singapore Airlines

Wed, Jan 20 - Mon, Jan 25

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

41h 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

Tue, Nov 24 - Sun, Dec 6

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

41h 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

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

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

12:05 pm - 6:45 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

40h 40m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:40 am - 4:30 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

20h 50m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Mon, Mar 22 - Thu, Apr 22

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

Enter your travel dates to find the best prices.

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

$890China Eastern

Mon, Nov 2 - Tue, Dec 1

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 Fuzhou Shanghai Pu Dong

$890China Eastern

Mon, Nov 2 - Tue, Dec 1

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

3:10 pm - 6:30 pmORD Chicago O'Hare Intl-SAI Siem Reap–Angkor Intl

39h 20m2 stops Hong Kong Intl Bangkok Suvarnabhumi

7:25 pm - 12:30 pmSAI Siem Reap–Angkor Intl-ORD Chicago O'Hare Intl

54h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,023Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

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

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

11:05 am - 8:45 amSFO San Francisco-SAI Siem Reap–Angkor Intl

30h 40m2 stops Tokyo Narita Bangkok Suvarnabhumi

10:25 pm - 9:30 amSAI Siem Reap–Angkor Intl-SFO San Francisco

26h 05m2 stops Ho Chi Minh City Tokyo Narita

$1,171Multiple Airlines

Tue, Nov 3 - Wed, Nov 11

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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 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

$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 Siem Reap

Our best Etihad Airways deals on United States to 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

Dec 1

JFK3:00 pmNew York John F Kennedy Intl

30h 15m

2 stops

SAI9:15 amSiem Reap–Angkor Intl

Dec 31

SAI1:20 pmSiem Reap–Angkor Intl

31h 40m

2 stops

JFK9:00 amNew York John F Kennedy Intl

$1,266

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

Tue 2/2

4:50 pm-7:05 am

1 stop29h 15m

$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

Wed 1/20

8:40 am-9:55 am

1 stop34h 15m

Siem Reap–Angkor Intl

Mon 1/25

10:45 am-7:05 am

1 stop35h 20m

$601

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

Tue 11/24

11:30 am-8:05 pm

2 stops41h 35m

Siem Reap–Angkor Intl

Sun 12/6

9:05 pm-9:05 am

3 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

2 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

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

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Mon 3/22

12:05 pm-6:45 pm

2 stops40h 40m

Siem Reap–Angkor Intl

Thu 4/22

9:40 am-4:30 pm

2 stops20h 50m

$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 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 August, then you should wait until April to fly from United States, when ticket prices are also cheap, with an average price of $678.

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

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

The best one-way flight to Siem Reap from United States in the past 72 hours is $315. The best round-trip flight deal from United States to Siem Reap found on momondo in the last 72 hours is $585.

The fastest flight from United States to Siem Reap takes 21h 30m

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 October 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 $599	Free Cancellation	Rating 8.2 1,630 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?

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 $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

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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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