$24 Cheap Flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB)

View $24 flight on Mon, Mar 16, 2026Opens 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 $24 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Thu, Mar 26 - Mon, Apr 20
SOF
Sofia
FKB
Karlsruhe
$46 Roundtrip, found 6 days ago
$46
Roundtrip
found 6 days ago
Select Ryanair flight, departing Thu, Mar 26 from Sofia to Karlsruhe, returning Mon, Apr 20, priced at $46 found 6 days ago
Ryanair
Sat, Mar 21 - Mon, Mar 23
SOF
Sofia
FKB
Karlsruhe
$46 Roundtrip, found 6 hours ago
$46
Roundtrip
found 6 hours ago
Select Ryanair flight, departing Sat, Mar 21 from Sofia to Karlsruhe, returning Mon, Mar 23, priced at $46 found 6 hours ago
Ryanair
Thu, Mar 19 - Sun, Mar 22
SOF
Sofia
FKB
Karlsruhe
$58 Roundtrip, found 6 hours ago
$58
Roundtrip
found 6 hours ago
Select Ryanair flight, departing Thu, Mar 19 from Sofia to Karlsruhe, returning Sun, Mar 22, priced at $58 found 6 hours ago
Ryanair
Sat, Mar 28 - Mon, Mar 30
SOF
Sofia
FKB
Karlsruhe
$66 Roundtrip, found 6 days ago
$66
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Mar 28 from Sofia to Karlsruhe, returning Mon, Mar 30, priced at $66 found 6 days ago
Ryanair
Sun, Mar 22 - Fri, Apr 24
SOF
Sofia
FKB
Karlsruhe
$73 Roundtrip, found 6 days ago
$73
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sun, Mar 22 from Sofia to Karlsruhe, returning Fri, Apr 24, priced at $73 found 6 days ago

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Frequently asked questions

How much does a flight from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) cost?
You can find cheap one-way flights from $24 and cheap return flights from $46 Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) with Expedia. One-way flights typically cost between $449 and $1528. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
The cheapest month to fly from SOF to FKB is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
You can fly direct from SOF to FKB on Ryanair, with around 7 flights per week.
What is the cheapest airline that flies from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
Ryanair is just one of the carriers that fly from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
To find a cheap flight from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
The best airline to fly with from Sofia (SOF) to Karlsruhe Baden-Baden (FKB) will differ from traveler to traveler. If you like to fly early, Ryanair offers early morning flights. If price is the most important factor, Ryanair typically offers the lowest fares. Ryanair offers the most daily flights from SOF to FKB, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
On average, there are around 1 nonstop flights per day from (SOF) to Baden Airpark (FKB). For more options, look at flights that include layovers.
What is the earliest flight from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
The earliest flight from Sofia (SOF) to Baden Airpark (FKB) typically leaves at 8:00 AM, operated by Austrian Airlines, Condor, and Lufthansa. This seasonal service is available in October, providing a great opportunity to explore the Karlsruhe area. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
You'll usually find the most flights from (SOF) to Baden Airpark (FKB) on a Tuesday, with around 6 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Austrian Airlines, Lufthansa, and Ryanair.
What are the most popular departure times for flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
The most popular departure times for flights from Sofia (SOF) to Karlsruhe Baden-Baden (FKB) are in the early afternoon, from 12pm to 3pm. About 35% of passengers prefer this time window. Many major carriers, including Lufthansa and Austrian Airlines, offer flights during this window. This timing is favored as it allows travelers to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
Flying nonstop from SOF to FKB takes around 2 hours 20 minutes, with the route covering approximately 848 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
Business class seats are offered on the SOF to FKB route with Lufthansa.
How do I earn miles on a Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Karlsruhe-Baden from SOF (SOF)?
From SOF (SOF), you can fly typically into Baden Airpark (FKB) to reach Karlsruhe-Baden. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Vienna Intl. (VIE), ZRH (ZRH) before reaching Karlsruhe-Baden. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) flight and hotel package?
Securing a Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark)?
If you booked your Sofia (SOF) to Karlsruhe Baden-Baden (FKB-Baden Airpark) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Baden Airpark
Roundtrip price
$45
Distance
847 mi
Average flight time
2 hours 20 mins

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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 March. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $24 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.

 

Sofia to Karlsruhe Baden-Baden Flights

*Flight schedules are subject to change.

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