Which airlines fly to Siem Reap?

When flying to Siem Reap from United States, momondo travelers will most often fly with one of these popular airlines: Singapore Airlines or Vietnam Airlines. Depending on what airport in United States you fly from, you may be able to find flights with any of these popular airlines.

Singapore Airlines Flights to Siem Reap

7 Singapore Airlines flights head to Siem Reap on average each week. Most will be flying from Singapore Changi to Siem Reap, the most popular route that Singapore Airlines operates to Siem Reap. Prices vary based on when and where you fly from - the cheapest Singapore Airlines flight to Siem Reap found in the past 3 days on momondo was $511, departing from Los Angeles. Singapore Airlines is the most popular choice on momondo for this route and has been scored 8.2/10 by 1,599 of our users.

Vietnam Airlines Flights to Siem Reap

Vietnam Airlines flies to Siem Reap 15 times per week usually, making it a popular airline to fly with, particularly when heading to Siem Reap from Ho Chi Minh City. Vietnam Airlines (rating: 7.7, 286 reviews) varies in price depending on when and where you want to fly to Siem Reap from. The best Vietnam Airlines ticket price found on momondo to Siem Reap was from San Francisco ($647 round-trip).

How long does it take to fly to Siem Reap?

On average, it takes 26h 55m to fly from United States to Siem Reap if you fly out of Los Angeles (the most popular airport in United States) and into Siem Reap–Angkor Intl (the most popular airport in Siem Reap). If you’re flying out of Miami and into Siem Reap–Angkor Intl, then the flight time is around 41h 30m.

$316 Cheap Flights to Siem Reap in 2026

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Find the cheapest flights from the United States to Siem Reap

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One-way

Last minute

Cheap round-trip flights

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

$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

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 27 - 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

$775Singapore Airlines

Wed, Jan 13 - Thu, Jan 21

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

$802China 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 Fuzhou Kunming Changshui

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

50h 05m3 stops Kunming Changshui Fuzhou Shanghai Pu Dong

$802China Eastern

Thu, Nov 19 - 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

50h 05m3 stops Kunming Changshui Fuzhou Shanghai Pu Dong

$802China Eastern

Thu, Nov 19 - Tue, Dec 8

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

$809Vietnam Airlines

Wed, Oct 7 - Wed, Oct 14

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

$809Vietnam Airlines

Thu, Oct 8 - Wed, Oct 14

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

$809Vietnam Airlines

Wed, Oct 7 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$809Vietnam Airlines

Thu, Sep 10 - Wed, Sep 16

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

$849Vietnam Airlines

Sat, Sep 12 - Wed, Sep 16

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

$940Vietnam Airlines

Thu, Sep 10 - Thu, Sep 24

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

$977Vietnam Airlines

Sat, Sep 12 - Thu, Sep 17

12:25 am - 6:55 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

28h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi

12:55 pm - 10:00 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

23h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,007Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

1:20 am - 6:45 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

27h 25m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:40 am - 10:40 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

27h 00m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,015Multiple Airlines

Fri, Sep 11 - Thu, Sep 17

5:00 pm - 6:05 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

35h 05m2 stops Incheon Intl Hanoi Noibai

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

36h 45m1 stop Ho Chi Minh City

$1,068Multiple Airlines

Fri, Sep 11 - Wed, Sep 16

11:45 am - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

31h 55m1 stop Singapore Changi

10:30 am - 9:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 20m1 stop Singapore Changi

$1,321Singapore Airlines

Sun, Sep 13 - Wed, Sep 16

11:45 am - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

31h 55m1 stop Singapore Changi

10:30 am - 9:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 20m1 stop Singapore Changi

$1,371Singapore Airlines

Sun, Sep 13 - Thu, Sep 17

11:45 am - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

31h 55m1 stop Singapore Changi

4:00 pm - 9:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

31h 50m1 stop Singapore Changi

$3,878Singapore Airlines

Sat, Sep 12 - Fri, Sep 18

Fly from

Route

Depart

Return

Price

Cheapest round-trip

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

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 2/2

10:45 am-7:05 am

1 stop35h 20m

$775

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

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

$802

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

3 stops50h 05m

$802

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

3 stops50h 05m

$802

Quickest round-trip

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

Wed 10/14

7:10 pm-5:55 pm

1 stop36h 45m

$809

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Thu 10/8

10:50 pm-6:20 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Wed 10/14

7:10 pm-5:55 pm

1 stop36h 45m

$809

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

Tue 10/13

7:10 pm-5:55 pm

1 stop36h 45m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Siem Reap flights insights and trends

Explore insights for your Siem Reap flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Siem Reap?

If you don’t want to visit Siem Reap in March, then you should wait until April to fly from United States, when ticket prices are also cheap, with an average price of $1,110.

Cheapest flights to Siem Reap–Angkor Intl

Find the cheapest flights to Siem Reap–Angkor Intl from your nearest city or airport

Find flights from Los Angeles to Siem Reap

CHEAPEST MONTH TO FLY TO SIEM REAP FROM LOS ANGELES	August	45% cheaper	Flying from Los Angeles to Siem Reap costs on average just $631 in August
MOST EXPENSIVE MONTH TO FLY TO SIEM REAP FROM LOS ANGELES	December	71% more expensive	It costs about $1,965 for flights to Siem Reap from Los Angeles in December
MOST POPULAR MONTH TO FLY TO SIEM REAP FROM LOS ANGELES	May	366% more users visited	More momondo users searched in flights to Siem Reap from Los Angeles in May than any other month

Cheap Siem Reap flight deals and tips

Summary info about Siem Reap flight prices, duration and airlines

Best One-Way Price	$316
Best Round-Trip Price	$751
Fastest flight time	22h 50m
Popular in	December

The best one-way flight price to Siem Reap from United States in the last 5 days is $316 (Seattle/Tacoma Intl to Siem Reap–Angkor Intl).

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The best round-trip flight price to Siem Reap from United States in the last 5 days is $751 (Seattle/Tacoma Intl to Siem Reap–Angkor Intl).

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The fastest flight to Siem Reap from United States takes 22h 50m (Ontario to Siem Reap–Angkor Intl).

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December has the highest demand for flights to Siem Reap, with a 48% price increase on average.

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Frequently asked questions about flying to Siem Reap

What is there to do in Siem Reap when it’s raining?

Users planning a flight to Siem Reap during the months of May, June, or July should anticipate rain. There are still things to do in Siem Reap even when it's raining, though. Angkor National Museum is a great museum to visit near Siem Reap and is especially great when the weather outside is less than desirable. Shopping centers like Angkor Night Market are very popular destinations for those visiting the Siem Reap area. Angkor Night Market is a great place to go if you’re looking to spend some time inside.

When did momondo last update prices for flights to Siem Reap–Angkor Intl Airport?

Prices for flights to Siem Reap–Angkor Intl Airport refresh daily.

How many operators does momondo search for flights to Siem Reap–Angkor Intl Airport?

The number of operators available for flights to Siem Reap–Angkor Intl Airport is 10 as of September 2026.

How old do you have to be to fly 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 to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Siem Reap. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Siem Reap with this policy.

How can momondo help me find flights to Siem Reap?

momondo provides multiple filters to help you find the best flight to Siem Reap. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Siem Reap. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.