$38 Cheap Flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB)

View $38 flight on Sat, Jul 12, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)

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Cheap Flights from Sofia to Karlsruhe Baden-Baden (SOF-FKB)

Prices were available within the past 7 days and start at $38 for one-way flights and $161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, Jul 29 - Sat, Aug 2
SOF
Sofia
FKB
Karlsruhe
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Ryanair flight, departing Tue, Jul 29 from Sofia to Karlsruhe, returning Sat, Aug 2, priced at $161 found 1 day ago
Ryanair
Sat, Dec 13 - Thu, Dec 18
SOF
Sofia
FKB
Karlsruhe
$190 Roundtrip, found 23 hours ago
$190
Roundtrip
found 23 hours ago
Select Ryanair flight, departing Sat, Dec 13 from Sofia to Karlsruhe, returning Thu, Dec 18, priced at $190 found 23 hours ago
Lufthansa
Thu, Dec 11 - Tue, Dec 16
SOF
Sofia
KJR
Karlsruhe
$273 Roundtrip, found 23 hours ago
$273
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Thu, Dec 11 from Sofia to Karlsruhe, returning Tue, Dec 16, priced at $273 found 23 hours ago
Lufthansa
Sat, Dec 13 - Thu, Dec 18
SOF
Sofia
KJR
Karlsruhe
$302 Roundtrip, found 23 hours ago
$302
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Sat, Dec 13 from Sofia to Karlsruhe, returning Thu, Dec 18, priced at $302 found 23 hours ago
Lufthansa
Sat, Dec 13 - Thu, Dec 18
SOF
Sofia
KJR
Karlsruhe
$342 Roundtrip, found 23 hours ago
$342
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Sat, Dec 13 from Sofia to Karlsruhe, returning Thu, Dec 18, priced at $342 found 23 hours ago
Lufthansa
Thu, Dec 11 - Tue, Dec 16
SOF
Sofia
KJR
Karlsruhe
$354 Roundtrip, found 23 hours ago
$354
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Thu, Dec 11 from Sofia to Karlsruhe, returning Tue, Dec 16, priced at $354 found 23 hours ago
Lufthansa
Tue, Jul 29 - Sat, Aug 2
SOF
Sofia
KJR
Karlsruhe
$371 Roundtrip, found 1 day ago
$371
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jul 29 from Sofia to Karlsruhe, returning Sat, Aug 2, priced at $371 found 1 day ago
Lufthansa
Fri, Aug 8 - Mon, Aug 11
SOF
Sofia
KJR
Karlsruhe
$381 Roundtrip, found 5 days ago
$381
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Aug 8 from Sofia to Karlsruhe, returning Mon, Aug 11, priced at $381 found 5 days ago
Lufthansa
Sat, Dec 13 - Thu, Dec 18
SOF
Sofia
KJR
Karlsruhe
$383 Roundtrip, found 23 hours ago
$383
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Sat, Dec 13 from Sofia to Karlsruhe, returning Thu, Dec 18, priced at $383 found 23 hours ago
Lufthansa
Thu, Dec 11 - Tue, Dec 16
SOF
Sofia
KJR
Karlsruhe
$411 Roundtrip, found 23 hours ago
$411
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Thu, Dec 11 from Sofia to Karlsruhe, returning Tue, Dec 16, priced at $411 found 23 hours ago
Flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB)
Origin airport
Sofia
Destination airport
Baden Airpark
Airlines serving
Ryanair
Roundtrip price
$160
Distance
847 mi
Average flight time
2 hours 20 mins

Sofia to Karlsruhe Baden-Baden Flights

The cheapest times to fly from Sofia to Karlsruhe Baden-Baden

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 Sofia to Karlsruhe Baden-Baden are during the month of July. You can find some of the cheapest flights from Sofia to Karlsruhe Baden-Baden with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Karlsruhe Baden-Baden

Sunday is one of the best days to book for cheap flights from Sofia to Karlsruhe Baden-Baden: 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 Sofia to Karlsruhe Baden-Baden

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 Sofia to Karlsruhe Baden-Baden in 2025. You can also book with separate airlines for your outbound and return journeys, from $38 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 Sofia to Karlsruhe Baden-Baden 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 Sofia to Karlsruhe Baden-Baden 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 Sofia Airport (SOF) to Baden Airpark Airport (FKB) cost?
Discover the latest flight deals from SOF to FKB by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SOF to FKB?
The cheapest flights from SOF to FKB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SOF to FKB?
With prices starting from $29 for a one-way journey from SOF to FKB, Ryanair is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SOF on July 8 2025. Prices were last updated on June 13 2025 and have not changed since.
How many flights per day from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
On average you can take your pick of 4 direct flights each week from Sofia Airport (SOF) to Baden Airpark Airport (FKB). For more options, consider flights with layovers. Simply enter your dates on Expedia and then filter your search to show one stop or more.
What are the most popular departure times for flights from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
More travelers fly between SOF and FKB at 5 AM than at any other point in the day. Looking to skip the crowds? Pick a flight outside the busiest times and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from SOF to FKB?
If you fly on a Friday, you’ll get the biggest range of options for flights from Sofia Airport (SOF) to Baden Airpark Airport (FKB).
What is the earliest flight from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
The first flight of the day departing from Sofia Airport (SOF) is at around 5:45AM UTC+2. Board this flight and you’ll arrive at Baden Airpark Airport (FKB) at approximately 7:15AM UTC+1. The entire trip takes 2h 30m.
How long does it take to fly from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
It takes around 2 hours and 30 minutes to fly the 850 mi from SOF to FKB.
What is the best time to fly from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
Select a flight from Sofia Airport (SOF) to Baden Airpark Airport (FKB) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Karlsruhe from Sofia Airport (SOF)?
You’ll touch down at Stuttgart Airport (STR) or Baden Airpark Airport (FKB) when traveling to Karlsruhe on a direct flight from Sofia Airport (SOF).
Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Baden Airpark Airport (FKB) last-minute?
Last-minute fares from SOF to FKB are typically more expensive. To secure the lowest prices, start searching for flights well in advance. That said, if you can play around with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a SOF to FKB flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to FKB flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Baden Airpark Airport (FKB)?
In most cases, you can cancel or reschedule your SOF to FKB flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.