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$91+ Cheap flights from Bruxelles-National (BRU) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SOF
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels Bruxelles-National to Sofia are usually found in January or March, booked 81 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 julio 30, 2025.

Round-trip from

$191
(Air Serbia)

One-way from

$91
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$283

Good one-way deal

$175 or less
From Brussels Bruxelles-National to Sofia
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One-way flight from Brussels Bruxelles-National to Sofia
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Highest demand for flights based on searches. 34% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Brussels Bruxelles-National to Sofia.
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Find flight deals from Bruxelles-National to Sofia

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 julio 30, 2025.

This Air Serbia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/159:15 pmBRU - SOF
1 stop4h 40mAir Serbia
lun. 10/204:05 pmSOF - BRU
1 stop5h 20mAir Serbia
Deal found 7/30$191
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/209:05 pmBRU - SOF
1 stop13h 20mMultiple Airlines
dom. 9/2111:45 pmSOF - BRU
1 stop9h 50mMultiple Airlines
Deal found 7/30$210
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/136:50 amBRU - SOF
1 stop10h 20mAustrian Airlines
sáb. 9/278:00 amSOF - BRU
1 stop4h 05mAustrian Airlines
Deal found 7/30$243
This Lufthansa deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:45 amBRU - SOF
1 stop10h 55mLufthansa
mar. 10/216:00 amSOF - BRU
1 stop12h 15mLufthansa
Deal found 7/30$249
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/218:35 pmBRU - SOF
Nonstop2h 20mBulgaria Air
mar. 10/286:05 pmSOF - BRU
Nonstop2h 35mBulgaria Air
Deal found 7/29$262
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:55 pmBRU - SOF
1 stop21h 20mITA Airways
lun. 8/1812:55 pmSOF - BRU
1 stop22h 45mITA Airways
Deal found 7/29$289
This SWISS deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:00 pmBRU - SOF
2 stops17h 00mSWISS
mar. 9/231:15 pmSOF - BRU
1 stop7h 00mSWISS
Deal found 7/30$300
This LOT deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1910:15 amBRU - SOF
1 stop14h 45mLOT
jue. 10/306:35 pmSOF - BRU
1 stop22h 25mLOT
Deal found 7/29$311

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated julio 30, 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

mié. 10/15

9:15 pm-2:55 am

1 stop4h 40m

Sofia

lun. 10/20

4:05 pm-8:25 pm

1 stop5h 20m

$191

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

sáb. 9/20

9:05 pm-11:25 am

1 stop13h 20m

Sofia

dom. 9/21

11:45 pm-8:35 am

1 stop9h 50m

$210

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

sáb. 9/13

6:50 am-6:10 pm

1 stop10h 20m

Sofia

sáb. 9/27

8:00 am-11:05 am

1 stop4h 05m

$243

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

vie. 10/17

6:45 am-6:40 pm

1 stop10h 55m

Sofia

mar. 10/21

6:00 am-5:15 pm

1 stop12h 15m

$249

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

mar. 10/21

8:35 pm-11:55 pm

Nonstop2h 20m

Sofia

mar. 10/28

6:05 pm-7:40 pm

Nonstop2h 35m

$262

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

jue. 8/14

6:55 pm-5:15 pm

1 stop21h 20m

Sofia

lun. 8/18

12:55 pm-10:40 am

1 stop22h 45m

$289

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

vie. 9/19

6:00 pm-12:00 pm

2 stops17h 00m

Sofia

mar. 9/23

1:15 pm-7:15 pm

1 stop7h 00m

$300

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

dom. 10/19

10:15 am-2:00 am

1 stop14h 45m

Sofia

jue. 10/30

6:35 pm-4:00 pm

1 stop22h 25m

$311

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

mié. 10/15

7:50 pm-11:25 am

2 stops14h 35m

$91

BrusselsSofia

BRU - SOF

BRUSOF

Brussels Bruxelles-National

lun. 9/29

9:15 pm-3:35 pm

1 stop17h 20m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 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 round-trip 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 round-trip flight from Bruxelles-National to Sofia. Price data was last updated on July 25, 2025.

The price you pay for your flight from Brussels Bruxelles-National Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of $632). Flying from Brussels Bruxelles-National Airport to Sofia in June is currently the most expensive (average of $1,187). 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 julio 30, 2025.

It’s typically best to fly out from Brussels Bruxelles-National Airport to Sofia at noon. Doing so could potentially save you 79% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Sofia?

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated julio 30, 2025.
Read reviews from past customers who have flown LOT, Austrian Airlines, and SWISS from Brussels Bruxelles-National Airport to Sofia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,105 reviews
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
823 reviews
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,686 reviews
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Lufthansa
6.8
Okay
7,269 reviews
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
ITA Airways
6.7
Okay
1,009 reviews
LOT
7.6
Good
1,105 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Brussels Bruxelles-National. On average, Sofia has 0 inbound flights from Brussels Bruxelles-National per day from 4 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Sofia round-trip?

    Air Serbia, at $191, was found to be the cheapest airline from Brussels Bruxelles-National Airport to Sofia.Alternate airlines to your destination round-trip include ITA Airways and Austrian Airlines.

  • What are the cheapest airlines to fly from Brussels Bruxelles-National Airport to Sofia one-way?

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $111. Users have also found prices from $118 and $154 on ITA Airways and Bulgaria Air, respectively.

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

    The cheapest flight price from Brussels Bruxelles-National Airport to Sofia is $156. On average you can expect to pay $260. The most popular route, (Brussels Bruxelles-National - Sofia), can usually be booked for $38.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Sofia (average of $632). Flying from Brussels Bruxelles-National Airport to Sofia in June is currently the most expensive (average of $1,187). 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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Top 4 airlines flying from Bruxelles-National to Sofia

Discover the top 4 airlines that operate flights from Bruxelles-National to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$28Average$163FlexibilityNo cancel feeOn-timeN/A
Wizz AirCheapest$32Average$96FlexibilityNo cancel feeOn-time83%
Air SerbiaCheapest$70Average$163FlexibilityNo cancel feeOn-timeN/A
Bulgaria AirCheapest$234Average$287FlexibilityNo cancel feeOn-time73%

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