Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Atlanta to Siem Reap from $651

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Siem Reap departing on 11/11. 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 Atlanta to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 pm - 8:45 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
48h 15m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
7:20 pm - 4:30 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
56h 10m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl
$1,298Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
9:30 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
26h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
3:10 pm - 4:50 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
36h 40m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl
$1,304Multiple Airlines
Thu, Oct 15 - Sat, Oct 24
Multiple Airlines Logo
9:30 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
26h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
9:40 am - 4:30 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
41h 50m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$1,337Multiple Airlines
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
9:30 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
26h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
4:55 pm - 4:50 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
34h 55m3 stops Bangkok Don Mueang Intl Chennai Abu Dhabi Zayed Intl
$1,386Multiple Airlines
Thu, Oct 15 - Sat, Oct 24
Multiple Airlines Logo
7:10 pm - 12:15 pmATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
30h 05m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:35 pm - 3:55 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
31h 20m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,457Multiple Airlines
Fri, Sep 11 - Sun, Sep 27
Multiple Airlines Logo
9:30 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
26h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
4:55 pm - 4:30 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
34h 35m3 stops Bangkok Don Mueang Intl Bengaluru Intl Abu Dhabi Zayed Intl
$1,494Multiple Airlines
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
9:30 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
50h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl
Multiple Airlines Logo
12:40 pm - 3:55 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
38h 15m3 stops Phnom Penh Techo Intl Ho Chi Minh City Doha Hamad Intl
$1,526Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
9:50 pm - 9:10 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
47h 20m2 stops Istanbul Ho Chi Minh City
Multiple Airlines Logo
7:25 pm - 7:45 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
36h 20m2 stops Bangkok Suvarnabhumi Istanbul
$1,668Multiple Airlines
Thu, Dec 3 - Fri, Dec 11
Multiple Airlines Logo
7:10 pm - 9:00 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
26h 50m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 7:33 amSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
32h 53m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,687Multiple Airlines
Fri, Sep 11 - Sun, Sep 27
Multiple Airlines Logo
9:30 am - 9:15 amATL  Atlanta Hartsfield-Jackson-SAI Siem Reap–Angkor Intl
35h 45m3 stops Seattle/Tacoma Intl Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:25 pm - 3:15 pmSAI  Siem Reap–Angkor Intl-ATL Atlanta Hartsfield-Jackson
55h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,724Multiple Airlines
Thu, Dec 3 - Fri, Dec 11

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to 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 14, 2026.
Use the filters below to find and compare flights from Atlanta to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Tue 9/1

9:30 pm-8:45 am

2 stops48h 15m

Siem Reap–Angkor Intl

Tue 9/8

7:20 pm-4:30 pm

2 stops56h 10m

$1,298

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Thu 10/15

9:30 pm-11:15 am

2 stops26h 45m

Siem Reap–Angkor Intl

Sat 10/24

3:10 pm-4:50 pm

2 stops36h 40m

$1,304

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Sat 9/5

9:30 pm-11:15 am

2 stops26h 45m

Siem Reap–Angkor Intl

Sun 9/13

9:40 am-4:30 pm

2 stops41h 50m

$1,337

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Thu 10/15

9:30 pm-11:15 am

2 stops26h 45m

Siem Reap–Angkor Intl

Sat 10/24

4:55 pm-4:50 pm

3 stops34h 55m

$1,386

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Fri 9/11

7:10 pm-12:15 pm

2 stops30h 05m

Siem Reap–Angkor Intl

Sun 9/27

7:35 pm-3:55 pm

2 stops31h 20m

$1,457

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Sat 9/5

9:30 pm-11:15 am

2 stops26h 45m

Siem Reap–Angkor Intl

Sun 9/13

4:55 pm-4:30 pm

3 stops34h 35m

$1,494

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Tue 9/1

9:30 pm-11:15 am

2 stops50h 45m

Siem Reap–Angkor Intl

Tue 9/8

12:40 pm-3:55 pm

3 stops38h 15m

$1,526

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Thu 12/3

9:50 pm-9:10 am

2 stops47h 20m

Siem Reap–Angkor Intl

Fri 12/11

7:25 pm-7:45 pm

2 stops36h 20m

$1,668
Quickest round-trip

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Fri 9/11

7:10 pm-9:00 am

2 stops26h 50m

Siem Reap–Angkor Intl

Sun 9/27

9:40 am-7:33 am

3 stops32h 53m

$1,687

AtlantaSiem Reap

ATL Atlanta Hartsfield-Jackson - SAI Siem Reap–Angkor Intl

ATLSAI

Atlanta Hartsfield-Jackson

Thu 12/3

9:30 am-9:15 am

3 stops35h 45m

Siem Reap–Angkor Intl

Fri 12/11

7:25 pm-3:15 pm

2 stops55h 50m

$1,724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

When to book flights from Atlanta to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Siem Reap (ATL to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Siem Reap

Fastest flight time

26h 45m

Direct flights

None
The fastest flight from Atlanta to Siem Reap takes 26h 45m
There are no direct flights from Atlanta to Siem Reap. There are no popular flight routes from Atlanta to Siem Reap.
Search flight deals

Frequently asked questions about flying from Atlanta to Siem Reap

  • How far is Atlanta Hartsfield-Jackson to Siem Reap–Angkor Intl by plane?

    Siem Reap–Angkor Intl is 9130.3 mi away from Atlanta Hartsfield-Jackson. Flights usually cover this in 26h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Siem Reap–Angkor Intl Airport were last updated today.

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport 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.

Frequently asked questions about flying from Atlanta to Siem Reap

  • How do I get Price Alerts for flights from Atlanta to Siem Reap?

    Price Alerts will notify you by email when the price for flights to Siem Reap from Atlanta decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Atlanta to Siem Reap with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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 Atlanta to Siem Reap?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Siem Reap from Atlanta.

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

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

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

Once all potential Atlanta to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Siem Reap from Atlanta are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 9/13
Sun 9/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

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.
First Class to Siem Reap
Business Class to Siem Reap