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Cheap flights from Brussels Bruxelles-National Airport to Sofia from £107

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SOF
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bruxelles-National to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Bruxelles-National to Sofia
Explore the most affordable flight options available from Bruxelles-National to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Sat 7/309:40
BRU
-
SOF
1 stop12h 50m
Multiple Airlines
Sat 14/319:15
SOF
-
BRU
1 stop14h 40m
Multiple Airlines
Deal found 21/1£107
Wed 13/521:15
BRU
-
SOF
1 stop4h 45m
Air Serbia
Mon 25/516:05
SOF
-
BRU
1 stop18h 00m
Air Serbia
Deal found 21/1£134
Thu 14/521:15
BRU
-
SOF
1 stop17h 20m
Air Serbia
Mon 18/516:05
SOF
-
BRU
1 stop18h 00m
Air Serbia
Deal found 22/1£135
Wed 18/320:25
BRU
-
SOF
1 stop18h 05m
Air Serbia
Wed 25/316:00
SOF
-
BRU
1 stop4h 40m
Air Serbia
Deal found 21/1£136
Fri 15/509:50
BRU
-
SOF
1 stop4h 45m
Air Serbia
Mon 18/516:05
SOF
-
BRU
1 stop18h 00m
Air Serbia
Deal found 20/1£168
Thu 5/215:45
BRU
-
SOF
1 stop19h 05m
Austrian Airlines
Sun 8/218:45
SOF
-
BRU
1 stop15h 20m
Austrian Airlines
Deal found 20/1£180
Thu 26/306:30
BRU
-
SOF
1 stop4h 20m
Austrian Airlines
Mon 30/316:05
SOF
-
BRU
1 stop4h 50m
Austrian Airlines
Deal found 21/1£182
Fri 29/511:35
BRU
-
SOF
1 stop4h 35m
ITA Airways
Sun 31/518:00
SOF
-
BRU
1 stop17h 40m
ITA Airways
Deal found 20/1£183

Find flight deals from Bruxelles-National to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) 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 22 January 2026.

Round-trip from

£107

Popular in

July

Cheapest in

January

Average price

£32

Good round-trip deal

£110 or less
7/3-14/3
  • 7/3-14/3
  • 2 total stops
  • 27h 30m total
  • Brussels to Sofia
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Brussels Bruxelles-National to Sofia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bruxelles-National 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 858,174 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Sofia that are best for you.

Fly from

Bruxelles-National

Fly to

Sofia

Route

Depart

Return

Price

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Sat 7/3

09:40-23:30

1 stop12h 50m

Sofia

Sat 14/3

19:15-08:55

1 stop14h 40m

£107

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Wed 13/5

21:15-03:00

1 stop4h 45m

Sofia

Mon 25/5

16:05-09:05

1 stop18h 00m

£134

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Thu 14/5

21:15-15:35

1 stop17h 20m

Sofia

Mon 18/5

16:05-09:05

1 stop18h 00m

£135

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Wed 18/3

20:25-15:30

1 stop18h 05m

Sofia

Wed 25/3

16:00-19:40

1 stop4h 40m

£136

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 15/5

09:50-15:35

1 stop4h 45m

Sofia

Mon 18/5

16:05-09:05

1 stop18h 00m

£168

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Thu 5/2

15:45-11:50

1 stop19h 05m

Sofia

Sun 8/2

18:45-09:05

1 stop15h 20m

£180

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Thu 26/3

06:30-11:50

1 stop4h 20m

Sofia

Mon 30/3

16:05-19:55

1 stop4h 50m

£182

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 29/5

11:35-17:10

1 stop4h 35m

Sofia

Sun 31/5

18:00-10:40

1 stop17h 40m

£184

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Sat 7/2

06:30-19:45

1 stop12h 15m

Sofia

Mon 9/2

18:45-10:50

1 stop17h 05m

£186

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 17/4

09:50-03:00

1 stop16h 10m

£108

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 17 results
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Best time to book a flight from Bruxelles-National to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Bruxelles-National with our price prediction graph.
Estimated return 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 Brussels Bruxelles-National Airport to Sofia

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Sofia?

Use this chart to determine the optimal time to book a return flight from Bruxelles-National to Sofia. Price data was last updated on 16 January 2026.

To ensure you get the cheapest price possible for a flight from Brussels Bruxelles-National Airport to Sofia, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Sofia?

Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of £18). Flying from Brussels Bruxelles-National Airport to Sofia in July is currently the most expensive (average of £126). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Sofia from Brussels Bruxelles-National?

    For a flight from Brussels Bruxelles-National to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 inbound flights from Brussels Bruxelles-National per day. 0 airlines have flights to Sofia from Brussels Bruxelles-National on a regular basis.

  • How long is the flight from Brussels Bruxelles-National Airport to Sofia?

    Air Serbia can get you from Brussels Bruxelles-National Airport to Sofia in just under 4h 45m. Your travel time can differ by up to . Airlines will cover a distance of 1054 mi.

  • What are the cheapest flights from Brussels Bruxelles-National Airport to Sofia?

    Looking for the cheapest flight from Brussels Bruxelles-National Airport to Sofia? While on average our users pay £110, our data indicates the cheapest price to be £110. The most popular route (Brussels Bruxelles-National - Sofia), is priced around £181.

  • Can I find deals for flights from Bruxelles-National to Sofia that include hotel bookings?

    Yes. In addition to deals on Bruxelles-National to Sofia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bruxelles-National to Sofia?

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

  • Can I find deals for business class flights from Bruxelles-National to Sofia?

    Yes. Cheapflights offers flight deals from Bruxelles-National 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 Brussels Bruxelles-National Airport to Sofia?

    Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of £18). Flying from Brussels Bruxelles-National Airport to Sofia in July is currently the most expensive (average of £126). 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

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Fly with Cheapflights

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How does Cheapflights help users find flights from Bruxelles-National to Sofia?

Cheapflights helps you search for flights from Bruxelles-National to Sofia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Bruxelles-National to Sofia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bruxelles-National to Sofia.

Can Cheapflights find flights from Bruxelles-National to Sofia with no change fees?

Certainly. Search results for flights to Sofia from Bruxelles-National shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Bruxelles-National to Sofia become cheaper?

Yes, Cheapflights offers price alerts on Bruxelles-National to Sofia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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