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Cheap flights from Brussels Bruxelles-National Airport to Sofia from £122

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SOF
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Sofia are usually found in January or March, booked 34 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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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 17 November 2025.

Fri 12/1208:45BRU - SOF
1 stop13h 45mMultiple Airlines
Sun 14/1222:40SOF - BRU
2 stops17h 50mMultiple Airlines
Deal found 16/11£122
Fri 12/1208:45BRU - SOF
1 stop13h 30mRyanair
Sun 14/1222:30SOF - BRU
1 stop11h 35mRyanair
Deal found 17/11£131
Fri 12/1208:45BRU - SOF
1 stop13h 30mRyanair
Sat 13/1216:35SOF - BRU
2 stops17h 30mRyanair
Deal found 17/11£156
Fri 12/1215:10BRU - SOF
1 stop7h 05mMultiple Airlines
Tue 16/1215:45SOF - BRU
1 stop6h 25mMultiple Airlines
Deal found 17/11£168
Fri 12/1209:25BRU - SOF
1 stop5h 05mAir Serbia
Wed 17/1216:00SOF - BRU
1 stop4h 40mAir Serbia
Deal found 17/11£172
Fri 12/1219:40BRU - SOF
1 stop17h 10mLOT
Mon 15/1214:35SOF - BRU
1 stop5h 25mLOT
Deal found 17/11£178
Fri 12/1216:50BRU - SOF
2 stops9h 15mMultiple Airlines
Sat 13/1216:35SOF - BRU
2 stops17h 30mMultiple Airlines
Deal found 17/11£187
Fri 26/1207:50BRU - SOF
1 stop9h 00mLOT
Sun 28/1218:35SOF - BRU
1 stop16h 00mLOT
Deal found 16/11£195

Cheap 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 17 November 2025.

Round-trip from

£122

Popular in

July

Cheapest in

January

Average price

£69

Good round-trip deal

£112 or less
12/12-14/12
  • 12/12-14/12
  • 3 total stops
  • 31h 35m total
  • Brussels to Sofia
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 10% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Brussels Bruxelles-National to Sofia.
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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 17 November 2025.
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

Fri 12/12

08:45-23:15

1 stop13h 30m

Sofia

Sat 13/12

16:35-09:05

2 stops17h 30m

£156

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 12/12

15:10-23:15

1 stop7h 05m

Sofia

Tue 16/12

15:45-21:10

1 stop6h 25m

£168

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 12/12

08:45-01:30

2 stops15h 45m

Sofia

Sun 14/12

23:45-15:30

2 stops16h 45m

£171

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 12/12

09:25-15:30

1 stop5h 05m

Sofia

Wed 17/12

16:00-19:40

1 stop4h 40m

£172

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 12/12

19:40-13:50

1 stop17h 10m

Sofia

Mon 15/12

14:35-19:00

1 stop5h 25m

£178

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Thu 12/2

19:05-23:55

1 stop3h 50m

Sofia

Mon 16/2

07:55-10:50

1 stop3h 55m

£185

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 12/12

16:50-03:05

2 stops9h 15m

Sofia

Sat 13/12

16:35-09:05

2 stops17h 30m

£187

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 13/2

09:25-03:05

1 stop16h 40m

Sofia

Mon 16/2

05:00-19:40

1 stop15h 40m

£194

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 26/12

07:50-17:50

1 stop9h 00m

Sofia

Sun 28/12

18:35-09:35

1 stop16h 00m

£195

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

Fri 5/12

09:25-15:30

1 stop5h 05m

Sofia

Mon 8/12

16:00-19:40

1 stop4h 40m

£203

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 21 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 14 November 2025.

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, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of £14). Flying from Brussels Bruxelles-National Airport to Sofia in July is currently the most expensive (average of £125). 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.

What is the cheapest time of day to fly from BRU to SOF?

Find hourly flight availability from Bruxelles-National to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 November 2025.

When flying from Brussels Bruxelles-National Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 89% versus a flight at midday.

How much does it cost for a return flight from Brussels Bruxelles-National Airport to Sofia?

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?

    Ryanair and Air Serbia can get you from Brussels Bruxelles-National Airport to Sofia in just under 5h 05m. Your travel time can differ by up to 8h 25m. Airlines will cover a distance of 1054 mi. This flight may include one or multiple stops.

  • 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 £112, our data indicates the cheapest price to be £112. The most popular route (Brussels Bruxelles-National - Sofia), is priced around £53.

  • 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, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of £14). Flying from Brussels Bruxelles-National Airport to Sofia in July is currently the most expensive (average of £125). 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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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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