$129 Cheap Flights from Brussels (BRU) to Sofia (SOF)

View $129 flight on Mon, Nov 17, 2025Opens in a new window

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

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Cheap Flights from Brussels to Sofia (BRU-SOF)

Prices were available within the past 7 days and start at $129 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Serbia
Fri, Dec 5 - Mon, Dec 15
BRU
Brussels
SOF
Sofia
$232 Roundtrip, found 5 days ago
$232
Roundtrip
found 5 days ago
Select Air Serbia flight, departing Fri, Dec 5 from Brussels to Sofia, returning Mon, Dec 15, priced at $232 found 5 days ago
Lufthansa
Sun, Nov 30 - Sun, Dec 7
BRU
Brussels
SOF
Sofia
$243 Roundtrip, found 5 hours ago
$243
Roundtrip
found 5 hours ago
Select Lufthansa flight, departing Sun, Nov 30 from Brussels to Sofia, returning Sun, Dec 7, priced at $243 found 5 hours ago
Austrian Airlines
Mon, Feb 2 - Fri, Feb 6
BRU
Brussels
SOF
Sofia
$244 Roundtrip, found 4 hours ago
$244
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Mon, Feb 2 from Brussels to Sofia, returning Fri, Feb 6, priced at $244 found 4 hours ago
Swiss International Air Lines
Sun, Nov 30 - Sun, Dec 7
BRU
Brussels
SOF
Sofia
$244 Roundtrip, found 5 hours ago
$244
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sun, Nov 30 from Brussels to Sofia, returning Sun, Dec 7, priced at $244 found 5 hours ago
Bulgaria Air
Sun, Nov 2 - Tue, Nov 18
BRU
Brussels
SOF
Sofia
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select Bulgaria Air flight, departing Sun, Nov 2 from Brussels to Sofia, returning Tue, Nov 18, priced at $270 found 5 days ago
ITA Airways
Tue, Apr 21 - Sun, Apr 26
BRU
Brussels
SOF
Sofia
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Tue, Apr 21 from Brussels to Sofia, returning Sun, Apr 26, priced at $271 found 6 days ago
LOT-Polish Airlines
Sat, Jan 31 - Sat, Feb 7
BRU
Brussels
SOF
Sofia
$272 Roundtrip, found 4 hours ago
$272
Roundtrip
found 4 hours ago
Select LOT-Polish Airlines flight, departing Sat, Jan 31 from Brussels to Sofia, returning Sat, Feb 7, priced at $272 found 4 hours ago
Aegean
Mon, Feb 2 - Fri, Feb 6
BRU
Brussels
SOF
Sofia
$291 Roundtrip, found 4 hours ago
$291
Roundtrip
found 4 hours ago
Select Aegean flight, departing Mon, Feb 2 from Brussels to Sofia, returning Fri, Feb 6, priced at $291 found 4 hours ago
Tarom-Romanian Air Transport
Thu, Apr 2 - Tue, Apr 7
BRU
Brussels
SOF
Sofia
$347 Roundtrip, found 5 hours ago
$347
Roundtrip
found 5 hours ago
Select Tarom-Romanian Air Transport flight, departing Thu, Apr 2 from Brussels to Sofia, returning Tue, Apr 7, priced at $347 found 5 hours ago

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $355
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $355

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Sofia Airport (SOF) cost?
Get a cheap one-way flight from $129 or cheap return flight from $232 from Brussels - National Airport (BRU) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Brussels - National Airport (BRU) to Sofia Airport (SOF)?
December is the least expensive month to fly from BRU to SOF. Traveling outside of peak seasons is often the key to better flight prices.
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 Brussels - National Airport (BRU) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BRU to SOF flight.
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.

Travel information

Origin airport
Brussels - National
Destination airport
Sofia
Airlines serving
Aegean, Air Serbia, Austrian Airlines, Bulgaria Air, ITA Airways, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines
Roundtrip price
$231
Distance
1054 mi
Average flight time
2 hours 35 mins

Book with confidence

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 December. 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 $129 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.

 

Brussels to Sofia Flights

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