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Cheap flights from Atlanta to Siem Reap from $1,347

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Siem Reap departing on 8/21. 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 - 9:00 am
ATL
-
SAI
48h 30m
2 stops
Multiple Airlines Logo
7:20 pm - 4:30 pm
SAI
-
ATL
56h 10m
2 stops
$1,347Multiple Airlines
Fri, Aug 21 - Fri, Sep 4
Multiple Airlines Logo
9:30 pm - 5:10 pm
ATL
-
SAI
56h 40m
3 stops
Multiple Airlines Logo
9:35 am - 4:30 pm
SAI
-
ATL
41h 55m
3 stops
$1,430Multiple Airlines
Fri, Aug 21 - Fri, Sep 4
Multiple Airlines Logo
9:30 pm - 5:10 pm
ATL
-
SAI
56h 40m
3 stops
Multiple Airlines Logo
12:55 pm - 4:30 pm
SAI
-
ATL
38h 35m
2 stops
$1,590Multiple Airlines
Fri, Aug 21 - Fri, Sep 4
Multiple Airlines Logo
9:50 pm - 9:10 am
ATL
-
SAI
47h 20m
2 stops
Multiple Airlines Logo
7:25 pm - 7:45 pm
SAI
-
ATL
36h 20m
2 stops
$1,693Multiple Airlines
Thu, Dec 3 - Fri, Dec 11
Multiple Airlines Logo
9:20 pm - 2:25 pm
ATL
-
SAI
53h 05m
2 stops
Multiple Airlines Logo
9:55 am - 3:50 pm
SAI
-
ATL
41h 55m
2 stops
$1,752Multiple Airlines
Thu, Dec 3 - Fri, Dec 11
Multiple Airlines Logo
9:30 am - 9:15 am
ATL
-
SAI
35h 45m
3 stops
Multiple Airlines Logo
7:25 pm - 3:15 pm
SAI
-
ATL
55h 50m
2 stops
$1,808Multiple Airlines
Thu, Dec 3 - Fri, Dec 11
Singapore Airlines Logo
6:17 am - 3:55 pm
ATL
-
SAI
45h 38m
3 stops
Singapore Airlines Logo
10:45 am - 11:15 pm
SAI
-
ATL
48h 30m
3 stops
$2,084Singapore Airlines
Thu, Dec 3 - Fri, Dec 11
Vietnam Airlines Logo
9:35 am - 4:55 pm
ATL
-
SAI
43h 20m
2 stops
Vietnam Airlines Logo
5:55 pm - 2:55 pm
SAI
-
ATL
33h 00m
2 stops
$2,226Vietnam Airlines
Tue, Dec 15 - Wed, Dec 23
Vietnam Airlines Logo
9:35 am - 4:55 pm
ATL
-
SAI
43h 20m
2 stops
Vietnam Airlines Logo
5:55 pm - 2:55 pm
SAI
-
ATL
33h 00m
2 stops
$2,226Vietnam Airlines
Tue, Dec 15 - Thu, Dec 24
Vietnam Airlines Logo
9:35 am - 4:55 pm
ATL
-
SAI
43h 20m
2 stops
Vietnam Airlines Logo
5:55 pm - 2:55 pm
SAI
-
ATL
33h 00m
2 stops
$2,226Vietnam Airlines
Tue, Dec 15 - Fri, Dec 25

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Vietnam Airlines flights from Atlanta to Siem Reap

Our best Vietnam Airlines deals on Atlanta to Siem Reap flight tickets
Vietnam Airlines
Dec 15
ATL9:35 amAtlanta Hartsfield-Jackson
43h 20m
2 stops
SAI4:55 pmSiem Reap–Angkor Intl
Dec 24
SAI5:55 pmSiem Reap–Angkor Intl
33h 00m
2 stops
ATL2:55 pmAtlanta Hartsfield-Jackson
$2,226
Vietnam Airlines
Dec 15
ATL9:35 amAtlanta Hartsfield-Jackson
43h 20m
2 stops
SAI4:55 pmSiem Reap–Angkor Intl
Dec 23
SAI5:05 pmSiem Reap–Angkor Intl
33h 50m
3 stops
ATL2:55 pmAtlanta Hartsfield-Jackson
$2,236
Vietnam Airlines
Dec 15
ATL9:35 amAtlanta Hartsfield-Jackson
42h 35m
3 stops
SAI4:10 pmSiem Reap–Angkor Intl
Dec 24
SAI5:05 pmSiem Reap–Angkor Intl
33h 50m
3 stops
ATL2:55 pmAtlanta Hartsfield-Jackson
$2,245

Lufthansa flights from Atlanta to Siem Reap

Our best Lufthansa deals on Atlanta to Siem Reap flight tickets
Lufthansa
Dec 14
ATL4:30 pmAtlanta Hartsfield-Jackson
29h 20m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Dec 28
SAI4:45 pmSiem Reap–Angkor Intl
33h 55m
2 stops
ATL2:40 pmAtlanta Hartsfield-Jackson
$2,314
Lufthansa
Dec 14
ATL4:30 pmAtlanta Hartsfield-Jackson
29h 20m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Dec 26
SAI4:45 pmSiem Reap–Angkor Intl
33h 55m
2 stops
ATL2:40 pmAtlanta Hartsfield-Jackson
$2,389
Lufthansa
Dec 17
ATL5:43 pmAtlanta Hartsfield-Jackson
37h 02m
3 stops
SAI6:45 pmSiem Reap–Angkor Intl
Dec 26
SAI4:45 pmSiem Reap–Angkor Intl
33h 55m
2 stops
ATL2:40 pmAtlanta Hartsfield-Jackson
$2,665

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 1, 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 - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Fri 8/21

9:30 pm-9:00 am

2 stops48h 30m

Siem Reap–Angkor Intl

Fri 9/4

7:20 pm-4:30 pm

2 stops56h 10m

$1,347

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Fri 8/21

9:30 pm-5:10 pm

3 stops56h 40m

Siem Reap–Angkor Intl

Fri 9/4

9:35 am-4:30 pm

3 stops41h 55m

$1,430

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Fri 8/21

9:30 pm-5:10 pm

3 stops56h 40m

Siem Reap–Angkor Intl

Fri 9/4

12:55 pm-4:30 pm

2 stops38h 35m

$1,590

AtlantaSiem Reap

ATL - SAI

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

$1,693

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Thu 12/3

9:20 pm-2:25 pm

2 stops53h 05m

Siem Reap–Angkor Intl

Fri 12/11

9:55 am-3:50 pm

2 stops41h 55m

$1,752

AtlantaSiem Reap

ATL - SAI

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

$1,808

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Thu 12/3

6:17 am-3:55 pm

3 stops45h 38m

Siem Reap–Angkor Intl

Fri 12/11

10:45 am-11:15 pm

3 stops48h 30m

$2,084
Quickest round-trip

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Tue 12/15

9:35 am-4:55 pm

2 stops43h 20m

Siem Reap–Angkor Intl

Wed 12/23

5:55 pm-2:55 pm

2 stops33h 00m

$2,226

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Tue 12/15

9:35 am-4:55 pm

2 stops43h 20m

Siem Reap–Angkor Intl

Thu 12/24

5:55 pm-2:55 pm

2 stops33h 00m

$2,226

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Tue 12/15

9:35 am-4:55 pm

2 stops43h 20m

Siem Reap–Angkor Intl

Fri 12/25

5:55 pm-2:55 pm

2 stops33h 00m

$2,226

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

47h 20m

Direct flights

None
The fastest flight from Atlanta to Siem Reap takes 47h 20m
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 47h 20m, 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.

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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