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Cheap flights from New York LaGuardia Airport to Siem Reap from $673

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Siem Reap departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from New York LaGuardia Airport to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:40 am - 9:40 amLGA  New York LaGuardia-SAI Siem Reap–Angkor Intl
36h 00m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Singapore Changi
Multiple Airlines Logo
7:05 pm - 7:36 pmSAI  Siem Reap–Angkor Intl-LGA New York LaGuardia
35h 31m3 stops Hanoi Noibai Tokyo Narita Montreal Pierre Elliott Trudeau Intl
$1,771Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Qatar Airways Logo
3:59 pm - 6:55 pmLGA  New York LaGuardia-SAI Siem Reap–Angkor Intl
39h 56m3 stops Chicago O'Hare Intl Doha Hamad Intl Bangkok Suvarnabhumi
Qatar Airways Logo
7:35 pm - 6:56 pmSAI  Siem Reap–Angkor Intl-LGA New York LaGuardia
58h 21m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Boston Logan Intl
$1,773Qatar Airways
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
1:25 pm - 9:40 amLGA  New York LaGuardia-SAI Siem Reap–Angkor Intl
33h 15m3 stops Chicago O'Hare Intl Tokyo Haneda Singapore Changi
United Airlines Logo
10:30 am - 12:23 pmSAI  Siem Reap–Angkor Intl-LGA New York LaGuardia
36h 53m3 stops Singapore Changi San Francisco Chicago O'Hare Intl
$14,342United Airlines
Mon, Aug 31 - Mon, Sep 14
United Airlines Logo
1:00 pm - 9:50 amLGA  New York LaGuardia-SAI Siem Reap–Angkor Intl
32h 50m3 stops Chicago O'Hare Intl Tokyo Haneda Singapore Changi
United Airlines Logo
4:45 pm - 11:10 amSAI  Siem Reap–Angkor Intl-LGA New York LaGuardia
30h 25m3 stops Singapore Changi San Francisco Chicago O'Hare Intl
$14,343United Airlines
Sat, Dec 5 - Sat, Jan 16
United Airlines Logo
2:00 pm - 3:55 pmLGA  New York LaGuardia-SAI Siem Reap–Angkor Intl
37h 55m3 stops Chicago O'Hare Intl Tokyo Haneda Singapore Changi
United Airlines Logo
4:45 pm - 12:03 pmSAI  Siem Reap–Angkor Intl-LGA New York LaGuardia
31h 18m3 stops Singapore Changi San Francisco Chicago O'Hare Intl
$26,664United Airlines
Sun, Dec 6 - Sat, Jan 16

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United Airlines flights from New York LaGuardia Airport to Region of Siem Reap

Our best United Airlines deals on New York LaGuardia Airport to Region of Siem Reap flight tickets
United Airlines
Aug 31
LGA1:25 pmNew York LaGuardia
33h 15m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Sep 14
SAI10:30 amSiem Reap–Angkor Intl
36h 53m
3 stops
LGA12:23 pmNew York LaGuardia
$14,342
United Airlines
Dec 5
LGA1:00 pmNew York LaGuardia
32h 50m
3 stops
SAI9:50 amSiem Reap–Angkor Intl
Jan 16
SAI4:45 pmSiem Reap–Angkor Intl
30h 25m
3 stops
LGA11:10 amNew York LaGuardia
$14,343
United Airlines
Dec 6
LGA2:00 pmNew York LaGuardia
37h 55m
3 stops
SAI3:55 pmSiem Reap–Angkor Intl
Jan 16
SAI4:45 pmSiem Reap–Angkor Intl
31h 18m
3 stops
LGA12:03 pmNew York LaGuardia
$26,664

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Region of Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 9, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Sun 9/6

10:40 am-9:40 am

3 stops36h 00m

Siem Reap–Angkor Intl

Sun 9/13

7:05 pm-7:36 pm

3 stops35h 31m

$1,771

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Sat 9/5

3:59 pm-6:55 pm

3 stops39h 56m

Siem Reap–Angkor Intl

Sat 9/12

7:35 pm-6:56 pm

3 stops58h 21m

$1,773

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Mon 8/31

1:25 pm-9:40 am

3 stops33h 15m

Siem Reap–Angkor Intl

Mon 9/14

10:30 am-12:23 pm

3 stops36h 53m

$14,342
Quickest round-trip

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Sat 12/5

1:00 pm-9:50 am

3 stops32h 50m

Siem Reap–Angkor Intl

Sat 1/16

4:45 pm-11:10 am

3 stops30h 25m

$14,343

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Sun 12/6

2:00 pm-3:55 pm

3 stops37h 55m

Siem Reap–Angkor Intl

Sat 1/16

4:45 pm-12:03 pm

3 stops31h 18m

$26,664
Cheapest one-way
Quickest one-way

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Tue 10/6

2:28 pm-9:00 am

3 stops31h 32m

$673

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Sat 8/22

8:22 pm-12:15 pm

3 stops52h 53m

$786

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Thu 9/10

8:30 pm-9:00 am

3 stops49h 30m

$870

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Thu 12/3

5:35 pm-4:10 pm

3 stops34h 35m

$985

New YorkSiem Reap

LGA New York LaGuardia - SAI Siem Reap–Angkor Intl

LGASAI

New York LaGuardia

Mon 2/1

9:40 am-11:00 am

3 stops37h 20m

$1,177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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Cheap New York LaGuardia Airport to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Region of Siem Reap

Fastest flight time

32h 50m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Region of Siem Reap takes 32h 50m
There are no direct flights from New York LaGuardia Airport to Region of Siem Reap. There are no popular flight routes from New York LaGuardia Airport to Region of Siem Reap.
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Frequently asked questions about flying from New York LaGuardia Airport to Siem Reap

  • When did momondo last update prices for flights from New York LaGuardia Airport to Siem Reap?

    Prices for flights from New York LaGuardia Airport to Siem Reap are refreshed on a daily basis.

  • How old do you have to be to fly from New York LaGuardia Airport to Siem Reap?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York LaGuardia Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap 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.

Frequently asked questions about flying from New York LaGuardia Airport to Siem Reap

  • How do I get Price Alerts for flights from New York LaGuardia Airport to Region of Siem Reap?

    Confirm your travel details to search for the latest offers for flights from New York LaGuardia Airport to Region of Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from New York LaGuardia Airport to Region of Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

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

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

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

How can momondo help me find flights from New York to Siem Reap?

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

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

Of course. momondo tracks the price of New York to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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