HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$312+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SOF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/54:55 pm
ATL
-
SOF
1 stop13h 55m
Lufthansa
Fri 3/136:10 am
SOF
-
ATL
2 stops21h 02m
Lufthansa
Deal found 1/26$492
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:55 pm
ATL
-
SOF
2 stops23h 25m
Multiple Airlines
Wed 3/186:10 am
SOF
-
ATL
2 stops21h 43m
Multiple Airlines
Deal found 1/25$512
This Justfly.com deal was found by Cheapflights users on 1/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 pm
ATL
-
SOF
2 stops20h 45m
Lufthansa
Sun 3/86:10 am
SOF
-
ATL
1 stop15h 20m
Lufthansa
Deal found 1/26$523
This Air France deal was found by Cheapflights users on 1/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:50 pm
ATL
-
SOF
1 stop15h 15m
Multiple Airlines
Sun 3/87:00 am
SOF
-
ATL
1 stop20h 45m
Multiple Airlines
Deal found 1/26$531
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:18 am
ATL
-
SOF
2 stops18h 57m
United Airlines
Sun 3/86:10 am
SOF
-
ATL
1 stop15h 20m
United Airlines
Deal found 1/26$536
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:10 pm
ATL
-
SOF
2 stops16h 40m
Multiple Airlines
Fri 3/136:05 am
SOF
-
ATL
2 stops15h 25m
Multiple Airlines
Deal found 1/26$554
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:55 pm
ATL
-
SOF
1 stop14h 30m
Lufthansa
Sat 5/26:20 am
SOF
-
ATL
1 stop14h 25m
Lufthansa
Deal found 1/26$583

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(Kiwi.com)

One-way from

$312
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$636
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. 19% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
Use the filters below to find and compare flights from Atlanta to Sofia that are best for you.

Fly from

Atlanta

Fly to

Sofia

Route

Depart

Return

Price

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Mon 2/23

4:55 pm-1:25 pm

1 stop13h 30m

Sofia

Sun 3/8

6:10 am-2:30 pm

1 stop15h 20m

$544

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Wed 5/6

3:55 pm-1:25 pm

1 stop14h 30m

Sofia

Sat 5/23

6:20 am-1:45 pm

1 stop14h 25m

$654

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Fri 2/6

9:50 pm-8:50 pm

1 stop16h 00m

Sofia

Mon 2/9

9:40 pm-7:45 pm

1 stop29h 05m

$664

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Thu 5/21

9:39 am-11:10 pm

2 stops30h 31m

Sofia

Fri 6/12

6:20 am-11:51 pm

2 stops24h 31m

$728

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 5/19

2:37 pm-11:10 pm

2 stops25h 33m

Sofia

Wed 7/8

6:20 am-4:19 pm

2 stops16h 59m

$744

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 5/19

7:25 pm-11:10 pm

2 stops20h 45m

Sofia

Thu 7/9

6:30 am-7:07 pm

2 stops19h 37m

$750

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 5/19

7:25 pm-11:10 pm

2 stops20h 45m

Sofia

Tue 8/4

2:10 pm-1:45 pm

1 stop30h 35m

$761

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Fri 2/6

2:40 pm-1:15 pm

2 stops15h 35m

Sofia

Mon 2/9

1:45 pm-6:26 pm

2 stops35h 41m

$785

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 7/7

2:30 pm-11:10 pm

2 stops25h 40m

$312

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 7/7

3:55 pm-1:05 pm

1 stop14h 10m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 20 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Sofia. Price data was last updated on January 23, 2026.

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 43 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 $518). Flying from Atlanta to Sofia in June is currently the most expensive (average of $859). 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.

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 January 27, 2026.
Peruse reviews from past customers who have flown with KLM, Air France, and United 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
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,528 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,209 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,209 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,749 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 $544, United Airlines can have you in Sofia from Atlanta in 13h 30m. The distance between Atlanta and Sofia is about 5465 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $534. Additional round-trip tickets that might be worth considering are offered by United Airlines and Turkish Airlines, with the lowest prices starting at $555 and $584, respectively. These flights start at 34% 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 $518). Flying from Atlanta to Sofia in June is currently the most expensive (average of $859). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Savannah to Sofia flights
Jacksonville to Sofia flights

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$534Average$882FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$555Average$937FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$584Average$782FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$591Average$888FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$594Average$863FlexibilityNo cancel feeOn-time76%
KLMCheapest$605Average$929FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.