Cheap flights from Atlanta to Siem Reap from $774

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 7/14. 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 - 11:15 am
ATL
-
SAI
26h 45m
2 stops
Multiple Airlines Logo
7:20 pm - 4:30 pm
SAI
-
ATL
56h 10m
2 stops
$1,361Multiple Airlines
Sat, Jun 27 - Tue, Jul 14
Multiple Airlines Logo
8:30 pm - 12:15 pm
ATL
-
SAI
28h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 4:15 pm
SAI
-
ATL
31h 50m
2 stops
$1,403Multiple Airlines
Tue, Oct 6 - Wed, Oct 28
Multiple Airlines Logo
8:30 pm - 9:00 am
ATL
-
SAI
25h 30m
2 stops
Multiple Airlines Logo
12:55 pm - 3:55 pm
SAI
-
ATL
38h 00m
2 stops
$1,414Multiple Airlines
Wed, Sep 16 - Thu, Oct 8
Multiple Airlines Logo
8:30 pm - 6:55 pm
ATL
-
SAI
35h 25m
2 stops
Multiple Airlines Logo
5:20 pm - 3:55 pm
SAI
-
ATL
57h 35m
3 stops
$1,474Multiple Airlines
Wed, Sep 16 - Wed, Oct 7
Qatar Airways Logo
7:10 pm - 9:00 am
ATL
-
SAI
26h 50m
2 stops
Qatar Airways Logo
12:55 pm - 3:55 pm
SAI
-
ATL
38h 00m
2 stops
$1,488Qatar Airways
Sun, Sep 13 - Tue, Oct 6
Multiple Airlines Logo
9:50 pm - 8:45 am
ATL
-
SAI
46h 55m
2 stops
Multiple Airlines Logo
7:25 pm - 7:45 pm
SAI
-
ATL
36h 20m
2 stops
$1,500Multiple Airlines
Thu, Dec 3 - Fri, Dec 11
Qatar Airways Logo
8:30 pm - 12:15 pm
ATL
-
SAI
28h 45m
2 stops
Qatar Airways Logo
12:55 pm - 3:55 pm
SAI
-
ATL
38h 00m
2 stops
$1,528Qatar Airways
Fri, Sep 18 - Fri, Oct 9
Singapore Airlines Logo
2:20 pm - 9:40 am
ATL
-
SAI
32h 20m
3 stops
Singapore Airlines Logo
10:30 am - 5:45 pm
SAI
-
ATL
42h 15m
3 stops
$1,542Singapore Airlines
Sat, Sep 19 - Tue, Oct 6
Multiple Airlines Logo
9:30 pm - 11:15 am
ATL
-
SAI
50h 45m
2 stops
Multiple Airlines Logo
7:20 pm - 4:30 pm
SAI
-
ATL
56h 10m
2 stops
$1,548Multiple Airlines
Sun, Jun 28 - Tue, Jul 14
Qatar Airways Logo
8:30 pm - 6:55 pm
ATL
-
SAI
35h 25m
2 stops
Qatar Airways Logo
1:20 pm - 4:15 pm
SAI
-
ATL
37h 55m
2 stops
$1,559Qatar Airways
Sun, Oct 4 - Fri, Oct 30

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Qatar Airways flights from Atlanta to Siem Reap

Our best Qatar Airways deals on Atlanta to Siem Reap flight tickets
Qatar Airways
Sep 13
ATL7:10 pmAtlanta Hartsfield-Jackson
26h 50m
2 stops
SAI9:00 amSiem Reap–Angkor Intl
Oct 6
SAI12:55 pmSiem Reap–Angkor Intl
38h 00m
2 stops
ATL3:55 pmAtlanta Hartsfield-Jackson
$1,488
Qatar Airways
Sep 18
ATL8:30 pmAtlanta Hartsfield-Jackson
28h 45m
2 stops
SAI12:15 pmSiem Reap–Angkor Intl
Oct 9
SAI12:55 pmSiem Reap–Angkor Intl
38h 00m
2 stops
ATL3:55 pmAtlanta Hartsfield-Jackson
$1,528
Qatar Airways
Oct 4
ATL8:30 pmAtlanta Hartsfield-Jackson
35h 25m
2 stops
SAI6:55 pmSiem Reap–Angkor Intl
Oct 30
SAI1:20 pmSiem Reap–Angkor Intl
37h 55m
2 stops
ATL4:15 pmAtlanta Hartsfield-Jackson
$1,559

Singapore Airlines flights from Atlanta to Siem Reap

Our best Singapore Airlines deals on Atlanta to Siem Reap flight tickets
Singapore Airlines
Sep 19
ATL2:20 pmAtlanta Hartsfield-Jackson
32h 20m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Oct 6
SAI10:30 amSiem Reap–Angkor Intl
42h 15m
3 stops
ATL5:45 pmAtlanta Hartsfield-Jackson
$1,542
Singapore Airlines
Sep 19
ATL2:20 pmAtlanta Hartsfield-Jackson
32h 20m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Oct 5
SAI10:30 amSiem Reap–Angkor Intl
42h 15m
3 stops
ATL5:45 pmAtlanta Hartsfield-Jackson
$1,607
Singapore Airlines
Sep 19
ATL2:20 pmAtlanta Hartsfield-Jackson
32h 20m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Oct 9
SAI4:00 pmSiem Reap–Angkor Intl
36h 45m
3 stops
ATL5:45 pmAtlanta Hartsfield-Jackson
$1,657

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 June 16, 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

Sat 6/27

9:30 pm-11:15 am

2 stops26h 45m

Siem Reap–Angkor Intl

Tue 7/14

7:20 pm-4:30 pm

2 stops56h 10m

$1,361
Quickest round-trip

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Tue 10/6

8:30 pm-12:15 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Wed 10/28

7:25 pm-4:15 pm

2 stops31h 50m

$1,403

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Wed 9/16

8:30 pm-9:00 am

2 stops25h 30m

Siem Reap–Angkor Intl

Thu 10/8

12:55 pm-3:55 pm

2 stops38h 00m

$1,414

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Wed 9/16

8:30 pm-6:55 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Wed 10/7

5:20 pm-3:55 pm

3 stops57h 35m

$1,474

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Sun 9/13

7:10 pm-9:00 am

2 stops26h 50m

Siem Reap–Angkor Intl

Tue 10/6

12:55 pm-3:55 pm

2 stops38h 00m

$1,488

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Thu 12/3

9:50 pm-8:45 am

2 stops46h 55m

Siem Reap–Angkor Intl

Fri 12/11

7:25 pm-7:45 pm

2 stops36h 20m

$1,500

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Fri 9/18

8:30 pm-12:15 pm

2 stops28h 45m

Siem Reap–Angkor Intl

Fri 10/9

12:55 pm-3:55 pm

2 stops38h 00m

$1,528

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Sat 9/19

2:20 pm-9:40 am

3 stops32h 20m

Siem Reap–Angkor Intl

Tue 10/6

10:30 am-5:45 pm

3 stops42h 15m

$1,542

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Sun 6/28

9:30 pm-11:15 am

2 stops50h 45m

Siem Reap–Angkor Intl

Tue 7/14

7:20 pm-4:30 pm

2 stops56h 10m

$1,548

AtlantaSiem Reap

ATL - SAI

ATLSAI

Atlanta Hartsfield-Jackson

Sun 10/4

8:30 pm-6:55 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Fri 10/30

1:20 pm-4:15 pm

2 stops37h 55m

$1,559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

25h 30m

Direct flights

None
The fastest flight from Atlanta to Siem Reap takes 25h 30m
There are no direct flights from Atlanta to Siem Reap. There are no popular flight routes from Atlanta to Siem Reap.

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 25h 30m, 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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1 adult
Thu 7/16
Thu 7/23

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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.