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$320+ Cheap flights from Atlanta (ATL) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SOF
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
1 adult, Economy
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Cheap flight deals from Atlanta to Sofia

Cheapest flights from Atlanta to Sofia
Explore the most affordable flight options available from Atlanta to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.

This Turkish Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:05 pm
ATL
-
SOF
1 stop22h 15m
Turkish Airlines
Tue 9/229:35 am
SOF
-
ATL
1 stop17h 10m
Turkish Airlines
Deal found 7/8$763
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:25 pm
ATL
-
SOF
2 stops15h 55m
Lufthansa
Wed 12/96:25 am
SOF
-
ATL
1 stop15h 15m
Lufthansa
Deal found 7/6$773
This Gotogate deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:30 pm
ATL
-
SOF
1 stop13h 55m
Multiple Airlines
Thu 11/266:25 am
SOF
-
ATL
2 stops21h 52m
Multiple Airlines
Deal found 7/4$782
This Gotogate deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:50 pm
ATL
-
SOF
1 stop31h 25m
Turkish Airlines
Fri 10/212:35 pm
SOF
-
ATL
1 stop31h 25m
Turkish Airlines
Deal found 7/6$787
This Turkish Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 pm
ATL
-
SOF
1 stop15h 30m
Turkish Airlines
Mon 10/129:35 am
SOF
-
ATL
1 stop17h 10m
Turkish Airlines
Deal found 7/7$803
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:50 pm
ATL
-
SOF
1 stop15h 30m
Multiple Airlines
Sun 9/206:35 pm
SOF
-
ATL
2 stops45h 32m
Multiple Airlines
Deal found 7/6$805
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:50 pm
ATL
-
SOF
1 stop15h 30m
Multiple Airlines
Fri 10/97:35 am
SOF
-
ATL
2 stops39h 10m
Multiple Airlines
Deal found 7/5$810
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm
ATL
-
SOF
1 stop15h 30m
Turkish Airlines
Sat 10/179:35 am
SOF
-
ATL
1 stop17h 10m
Turkish Airlines
Deal found 7/6$821
This Turkish Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:50 pm
ATL
-
SOF
1 stop15h 30m
Turkish Airlines
Sat 10/33:50 pm
SOF
-
ATL
1 stop34h 55m
Turkish Airlines
Deal found 7/5$823

Find flight deals from Atlanta to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(Turkish Airlines)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$947
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Sofia flights.
Search Deals
From Atlanta Hartsfield-Jackson to Sofia
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Sofia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Sofia 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, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Atlanta to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sun 9/13

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Fri 10/9

3:50 pm-7:45 pm

1 stop34h 55m

$763
Quickest round-trip

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sat 8/29

3:05 pm-3:00 pm

1 stop16h 55m

Sofia

Tue 9/15

9:10 pm-7:45 pm

1 stop29h 35m

$803

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Mon 9/14

9:50 pm-8:45 am

1 stop27h 55m

Sofia

Mon 9/28

3:50 pm-7:45 pm

1 stop34h 55m

$803

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sat 8/1

3:05 pm-12:15 pm

1 stop14h 10m

Sofia

Tue 9/1

3:50 pm-7:45 pm

1 stop34h 55m

$803

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Fri 9/4

9:50 pm-12:15 pm

1 stop31h 25m

Sofia

Fri 10/2

9:35 am-7:45 pm

1 stop17h 10m

$803

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Fri 8/28

9:50 pm-8:45 am

1 stop27h 55m

Sofia

Fri 9/25

3:50 pm-1:00 pm

1 stop28h 10m

$803
Cheapest one-way

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 9/15

9:50 pm-8:45 am

1 stop27h 55m

$378

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sat 10/10

5:00 pm-2:55 pm

2 stops38h 55m

$383

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sat 10/10

5:00 pm-6:10 pm

2 stops42h 10m

$393
Quickest one-way

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Sat 10/10

10:30 pm-8:10 pm

1 stop14h 40m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Atlanta to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Sofia in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlanta to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Sofia

How far ahead should I book a flight from Atlanta to Sofia?

The price you pay for your flight from Atlanta to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Atlanta to Sofia?

Currently, January is the cheapest month in which you can book a flight from Atlanta to Sofia (average of $542). Flying from Atlanta to Sofia in June is currently the most expensive (average of $1,117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Atlanta to Sofia?

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated July 8, 2026.
Peruse reviews from past customers who have flown with KLM,Turkish Airlines, andUnited Airlines from Atlanta to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,534 reviews
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7.4
Good
4,440 reviews
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,951 reviews
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,125 reviews
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,103 reviews
KLM
7.8
Good
1,534 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Atlanta to Sofia?

    For as low as $763, Turkish Airlines can have you in Sofia from Atlanta in 34h 10m. The distance between Atlanta and Sofia is about 5465 mi.

  • What are the cheapest airlines flying from Atlanta to Sofia round-trip?

    Flying on Air France is currently your cheapest option to Sofia, with prices starting at $517. Additional round-trip tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at $534 and $542, respectively. These flights start at 33% lower than the current average price 3 months from now.

  • Can I find deals for flights from Atlanta to Sofia that include hotel bookings?

    Yes. In addition to deals on Atlanta to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Sofia.

  • Can I find deals for business class flights from Atlanta to Sofia?

    Yes. Cheapflights offers flight deals from Atlanta to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to Sofia?

    Currently, January is the cheapest month in which you can book a flight from Atlanta to Sofia (average of $542). Flying from Atlanta to Sofia in June is currently the most expensive (average of $1,117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 6 airlines flying from Atlanta to Sofia

Discover the top 6 airlines that operate flights from Atlanta to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$517Average$1,051FlexibilityNo cancel feeOn-time77%
KLMCheapest$534Average$938FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$542Average$896FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$547Average$705FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$575Average$785FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$580Average$930FlexibilityNo cancel feeOn-time76%

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