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

Vietnam Airlines is the most popular carrier operating from Siem Reap to United States

When did momondo last update prices for flights from Siem Reap to United States?

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

How old do you have to be to fly from Siem Reap to United States?

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 Siem Reap to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$545 Cheap Flights from Siem Reap to the United States in 2026

Find the cheapest flights from Siem Reap to the United States

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 15m1 stop Ho Chi Minh City

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

29h 30m1 stop Ho Chi Minh City

$905Vietnam Airlines

Fri, Aug 28 - Thu, Sep 3

6:30 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 25m1 stop Ho Chi Minh City

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

29h 30m1 stop Ho Chi Minh City

$925Vietnam Airlines

Sat, Aug 29 - Thu, Sep 3

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

36h 45m1 stop Ho Chi Minh City

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

29h 30m1 stop Ho Chi Minh City

$937Vietnam Airlines

Fri, Aug 28 - Sat, Aug 29

6:30 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 25m1 stop Ho Chi Minh City

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

29h 30m1 stop Ho Chi Minh City

$945Vietnam Airlines

Sat, Sep 5 - Thu, Sep 10

10:35 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

33h 20m1 stop Ho Chi Minh City

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

29h 30m1 stop Ho Chi Minh City

$983Vietnam Airlines

Wed, Aug 26 - Wed, Sep 2

9:40 am - 8:30 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

24h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

12:50 am - 6:55 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

28h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

$987Multiple Airlines

Sat, Sep 5 - Wed, Sep 9

9:40 am - 9:00 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

25h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

12:50 am - 6:55 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

28h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

$1,006Multiple Airlines

Fri, Aug 28 - Fri, Aug 28

12:55 pm - 9:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

22h 15m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

12:35 am - 6:55 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

28h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

$1,006Multiple Airlines

Mon, Sep 21 - Wed, Sep 23

9:40 am - 9:00 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

25h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

12:50 am - 6:55 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

28h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

$1,007Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

9:40 am - 8:30 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

24h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

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

29h 30m1 stop Ho Chi Minh City

$1,028Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

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Singapore Airlines flights from Region of Siem Reap to United States

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

Singapore Airlines

Dec 18

SAI10:45 amSiem Reap–Angkor Intl

36h 05m

1 stop

SFO7:50 amSan Francisco

Dec 28

SFO9:40 amSan Francisco

33h 15m

1 stop

SAI9:55 amSiem Reap–Angkor Intl

$1,205

Singapore Airlines

Oct 6

SAI10:30 amSiem Reap–Angkor Intl

49h 20m

1 stop

LAX9:50 pmLos Angeles

Oct 18

LAX11:30 pmLos Angeles

49h 40m

1 stop

SAI3:10 pmSiem Reap–Angkor Intl

$1,292

Singapore Airlines

Sep 21

SAI10:30 amSiem Reap–Angkor Intl

25h 20m

1 stop

LAX9:50 pmLos Angeles

Oct 26

LAX11:05 pmLos Angeles

26h 55m

1 stop

SAI4:00 pmSiem Reap–Angkor Intl

$1,314

Emirates flights from Region of Siem Reap to United States

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

Emirates

Aug 26

SAI12:55 pmSiem Reap–Angkor Intl

39h 05m

2 stops

SFO2:00 pmSan Francisco

Sep 3

SFO4:40 pmSan Francisco

38h 50m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

$1,739

Emirates

Aug 30

SAI12:55 pmSiem Reap–Angkor Intl

39h 05m

2 stops

SFO2:00 pmSan Francisco

Sep 3

SFO4:40 pmSan Francisco

29h 35m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

$1,850

Emirates

Oct 6

SAI11:50 pmSiem Reap–Angkor Intl

31h 59m

3 stops

LAX5:49 pmLos Angeles

Oct 16

LAX4:40 pmLos Angeles

53h 35m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

$1,858

momondo Fare Finder

Use the filters below to find and compare flights from Siem Reap to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Fri 8/28

6:40 pm-5:55 pm

1 stop37h 15m

San Francisco

Thu 9/3

10:50 pm-6:20 pm

1 stop29h 30m

$905

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Sat 8/29

6:30 pm-5:55 pm

1 stop37h 25m

San Francisco

Thu 9/3

10:50 pm-6:20 pm

1 stop29h 30m

$925

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Fri 8/28

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Sat 8/29

10:50 pm-6:20 pm

1 stop29h 30m

$937

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Sat 9/5

6:30 pm-5:55 pm

1 stop37h 25m

San Francisco

Thu 9/10

10:50 pm-6:20 pm

1 stop29h 30m

$945

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Wed 8/26

10:35 pm-5:55 pm

1 stop33h 20m

San Francisco

Wed 9/2

10:50 pm-6:20 pm

1 stop29h 30m

$983

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Sat 9/5

9:40 am-8:30 pm

2 stops24h 50m

San Francisco

Wed 9/9

12:50 am-6:55 pm

2 stops28h 05m

$987

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Fri 8/28

9:40 am-9:00 pm

2 stops25h 20m

San Francisco

Fri 8/28

12:50 am-6:55 pm

2 stops28h 05m

$1,006

Quickest round-trip

Siem ReapLos Angeles

SAI Siem Reap–Angkor Intl - LAX Los Angeles

SAILAX

Siem Reap–Angkor Intl

Mon 9/21

12:55 pm-9:10 pm

2 stops22h 15m

Los Angeles

Wed 9/23

12:35 am-6:55 pm

2 stops28h 20m

$1,006

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Thu 8/27

9:40 am-9:00 pm

2 stops25h 20m

San Francisco

Sun 8/30

12:50 am-6:55 pm

2 stops28h 05m

$1,007

Siem ReapSan Francisco

SAI Siem Reap–Angkor Intl - SFO San Francisco

SAISFO

Siem Reap–Angkor Intl

Sat 9/5

9:40 am-8:30 pm

2 stops24h 50m

San Francisco

Thu 9/10

10:50 pm-6:20 pm

1 stop29h 30m

$1,028

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 Region of Siem Reap to United States

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

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

You could potentially save up to 12% on your flight if you consider stops on a Region of Siem Reap to United States flight.

Cheap Region of Siem Reap to United States flight deals and tips

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

Fastest flight time	21h 00m
Direct flights	None

The fastest flight from Region of Siem Reap to United States takes 21h 00m

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

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Frequently asked questions about flying from Siem Reap to the United States

When did momondo last update prices for flights from Siem Reap to United States?
Prices for flights from Siem Reap to United States are refreshed on a daily basis.
How old do you have to be to fly from Siem Reap to United States?
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 Siem Reap to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Siem Reap to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Siem Reap to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Siem Reap to United States with flexible booking policies on momondo?

All flight searches from Siem Reap to United States on momondo can be filtered to show those which offer flexible booking policies.

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

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 United States from Siem Reap.

I’m not ready to book a flight from Siem Reap to United States right now. Can momondo alert me if prices change?

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