$126 Cheap Flights from Brussels (BRU) to Sofia (SOF)

View $126 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Brussels Airport (BRU) to Sofia Airport (SOF)

Cheap Flights from Brussels to Sofia (BRU-SOF)

Prices were available within the past 7 days and start at $126 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

ITA Airways
Sat, Sep 27 - Wed, Oct 1
BRU
Brussels
SOF
Sofia
$224 Roundtrip, found 6 days ago
$224
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Sat, Sep 27 from Brussels to Sofia, returning Wed, Oct 1, priced at $224 found 6 days ago
Aegean
Thu, Feb 19 - Mon, Feb 23
BRU
Brussels
SOF
Sofia
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select Aegean flight, departing Thu, Feb 19 from Brussels to Sofia, returning Mon, Feb 23, priced at $229 found 2 days ago
Air Serbia
Fri, Feb 20 - Mon, Feb 23
BRU
Brussels
SOF
Sofia
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Fri, Feb 20 from Brussels to Sofia, returning Mon, Feb 23, priced at $235 found 2 days ago
Austrian Airlines
Sat, Sep 27 - Sun, Sep 28
BRU
Brussels
SOF
Sofia
$245 Roundtrip, found 1 hour ago
$245
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Sat, Sep 27 from Brussels to Sofia, returning Sun, Sep 28, priced at $245 found 1 hour ago
Swiss International Air Lines
Wed, Sep 17 - Wed, Sep 24
BRU
Brussels
SOF
Sofia
$246 Roundtrip, found 22 hours ago
$246
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Wed, Sep 17 from Brussels to Sofia, returning Wed, Sep 24, priced at $246 found 22 hours ago
Lufthansa
Sat, Sep 6 - Sat, Sep 20
BRU
Brussels
SOF
Sofia
$246 Roundtrip, found 1 hour ago
$246
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Sat, Sep 6 from Brussels to Sofia, returning Sat, Sep 20, priced at $246 found 1 hour ago
LOT-Polish Airlines
Thu, Feb 19 - Mon, Feb 23
BRU
Brussels
SOF
Sofia
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select LOT-Polish Airlines flight, departing Thu, Feb 19 from Brussels to Sofia, returning Mon, Feb 23, priced at $282 found 2 days ago
Bulgaria Air
Wed, Sep 17 - Wed, Sep 24
BRU
Brussels
SOF
Sofia
$297 Roundtrip, found 22 hours ago
$297
Roundtrip
found 22 hours ago
Select Bulgaria Air flight, departing Wed, Sep 17 from Brussels to Sofia, returning Wed, Sep 24, priced at $297 found 22 hours ago
Turkish Airlines
Thu, Jan 15 - Sun, Jan 18
BRU
Brussels
SOF
Sofia
$372 Roundtrip, found 3 days ago
$372
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Thu, Jan 15 from Brussels to Sofia, returning Sun, Jan 18, priced at $372 found 3 days ago
SKY express
Wed, Aug 6 - Sun, Aug 10
BRU
Brussels
SOF
Sofia
$708 Roundtrip, found 2 days ago
$708
Roundtrip
found 2 days ago
Select SKY express flight, departing Wed, Aug 6 from Brussels to Sofia, returning Sun, Aug 10, priced at $708 found 2 days ago
Flights from Charleroi (CRL) to Sofia (SOF)
Origin airport
Brussels South Charleroi
Destination airport
Sofia
Airlines serving
Aegean, Austrian Airlines, Bulgaria Air, ITA Airways, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$45
Distance
1043 mi
Average flight time
2 hours 10 mins

Brussels to Sofia Flights

The cheapest times to fly from Brussels 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 Brussels to Sofia are during the month of September. You can find some of the cheapest flights from Brussels to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brussels to Sofia

Sunday is one of the best days to book for cheap flights from Brussels 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 Brussels 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 Brussels to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 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 Brussels 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 Brussels 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.

 

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Sofia Airport (SOF) cost?
Book cheap return tickets starting at $299 from Brussels - National Airport (BRU) to Sofia Airport (SOF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air flight leaving BRU on July 31 2025 and touching down at SOF. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BRU to SOF?
The cheapest flights from BRU to SOF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
Fly nonstop from Brussels - National Airport (BRU) to Sofia Airport (SOF) on a Bulgaria Air flight.
What is the cheapest airline that flies from BRU to SOF?
Travel from BRU to SOF with Hahn Air. This airline currently has the lowest one-way fare for this route, starting from $174. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BRU on September 11 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
On average, you can choose from 4 direct flights every week from Brussels - National Airport (BRU) to Sofia Airport (SOF). For more options, consider taking a flight with a layover. Enter your details on Expedia and then set the filters to include one or two stops.
What are the most popular departure times for flights from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
Flights between BRU and SOF are their busiest at 8 PM. If you want a less crowded experience and potentially cheaper fares, choose a time outside the usual busy windows.
What day of the week has the most flights from BRU to SOF?
If you depart on a Friday, you'll get the widest range of choices for flights from Brussels - National Airport (BRU) to Sofia Airport (SOF).
What is the earliest flight from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
Brussels - National Airport (BRU)'s earliest flight to Sofia Airport (SOF) takes off at approximately 8:20PM UTC+1. With a flight time of 2h 35m, you'll land at around 11:55PM UTC+2.
How long does it take to fly from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
The average flight duration from BRU to SOF is 2 hours and 35 minutes, covering a distance of 1,050 mi.
What is the best time to fly from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
To arrive at Sofia Airport (SOF) on schedule, opt for a flight that leaves from Brussels - National Airport (BRU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sofia from Brussels - National Airport (BRU)?
If you're taking a direct flight from Brussels - National Airport (BRU) to Sofia, Sofia Airport (SOF) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Brussels - National Airport (BRU) to Sofia Airport (SOF) last-minute?
Booking your ticket from BRU to SOF just before your trip is typically more expensive. But if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a BRU to SOF flight and hotel package?
Booking a BRU to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
You can usually reschedule or cancel your BRU to SOF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.