$316 Cheap Flights from Nashville (BNA) to Sofia (SOF)

View $316 flight on Tue, Sep 8, 2026Opens in a new window

Flight 1

Popular airlines from Nashville International Airport (BNA) to Sofia Airport (SOF)

Cheap Flights from Nashville to Sofia (BNA-SOF)

Prices were available within the past 7 days and start at $316 for one-way flights and $772 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$772 Roundtrip, found 11 hours ago
$772
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $772 found 11 hours ago
Lufthansa
Thu, Aug 13 - Mon, Aug 24
BNA
Nashville
SOF
Sofia
$776 Roundtrip, found 11 hours ago
$776
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Thu, Aug 13 from Nashville to Sofia, returning Mon, Aug 24, priced at $776 found 11 hours ago
Lufthansa
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$777 Roundtrip, found 11 hours ago
$777
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $777 found 11 hours ago
Lufthansa
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$779 Roundtrip, found 11 hours ago
$779
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $779 found 11 hours ago
Lufthansa
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$784 Roundtrip, found 11 hours ago
$784
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $784 found 11 hours ago
Lufthansa
Thu, Aug 13 - Mon, Aug 24
BNA
Nashville
SOF
Sofia
$788 Roundtrip, found 11 hours ago
$788
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Thu, Aug 13 from Nashville to Sofia, returning Mon, Aug 24, priced at $788 found 11 hours ago
Air Canada
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$796 Roundtrip, found 11 hours ago
$796
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $796 found 11 hours ago
United
Tue, Sep 8 - Tue, Oct 6
BNA
Nashville
SOF
Sofia
$797 Roundtrip, found 11 hours ago
$797
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Sep 8 from Nashville to Sofia, returning Tue, Oct 6, priced at $797 found 11 hours ago
Swiss International Air Lines
Wed, Apr 15 - Wed, Apr 29
BNA
Nashville
SOF
Sofia
$862 Roundtrip, found 9 hours ago
$862
Roundtrip
found 9 hours ago
Select Swiss International Air Lines flight, departing Wed, Apr 15 from Nashville to Sofia, returning Wed, Apr 29, priced at $862 found 9 hours ago
British Airways
Thu, Aug 13 - Mon, Aug 24
BNA
Nashville
SOF
Sofia
$921 Roundtrip, found 11 hours ago
$921
Roundtrip
found 11 hours ago
Select British Airways flight, departing Thu, Aug 13 from Nashville to Sofia, returning Mon, Aug 24, priced at $921 found 11 hours ago

Frequently asked questions

How much does a flight from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) cost?
You can find cheap one-way flights from $316 and cheap return flights from $772 Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) with Expedia. One-way flights typically cost between $464 and $8753, and return flights often range between $832 and $6017. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
The cheapest month to fly from BNA to SOF is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
Enter BNA to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
To find a cheap flight from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BNA to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
The most popular departure times for flights from Nashville (BNA) to Sofia (SOF) are in the early afternoon, from 12pm to 3pm. About 34% of passengers prefer this time window. Many major carriers, including United Airlines, Lufthansa and Austrian Airlines, offer flights during this window. This timing is favored as it allows you to maximize your morning in Nashville before heading to the airport.
How long does it take to fly from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
Flights from BNA to SOF with one stop typically take around 20 hours 30 minutes, covering approximately 5,438 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
Business class seats are offered on the BNA to SOF route. Airlines that offer business class service on this route include:

  • Air Canada
  • United Airlines
  • British Airways
  • American Airlines
  • Delta Air Lines
  • Icelandair

How do I earn miles on a Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) flight and hotel package?
Securing a Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF)?
If you booked your Nashville, TN (BNA-Nashville Intl.) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Nashville Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air France, British Airways, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$771
Distance
5436 mi

Book with confidence

Nashville to Sofia Flights

The cheapest times to fly from Nashville to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Nashville to Sofia are during the month of September. You can find some of the cheapest flights from Nashville to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nashville to Sofia

Sunday is one of the best days to book for cheap flights from Nashville to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Nashville to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Nashville to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $316 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Nashville to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Nashville to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Nashville to Sofia Flights

*Flight schedules are subject to change.

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*Available to One Key members.