Trip.com
>
Flights
>
Flights to Bulgaria
>
Flights to Sofia
>
Flights from Karlsruhe to Sofia

Book direct flights from Karlsruhe to Sofia: One way flights from CAD 31, round trip flights from CAD 55. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 22 | Ryanair
        SOF 10:05
        2h 20m
        Nonstop
        FKB 11:25
        Sofia - Karlsruhe | Thu, Jan 29 | Ryanair
        CAD 55 CAD 100
        45% OFF
        45% OFF
        CAD 100 CAD 55
      • FKB 12:45
        2h 20m
        Nonstop
        SOF 16:05
        Karlsruhe - Sofia | Sun, Jan 18 | Ryanair
        SOF 16:30
        2h 20m
        Nonstop
        FKB 17:50
        Sofia - Karlsruhe | Sun, Jan 25 | Ryanair
        CAD 59 CAD 100
        42% OFF
        42% OFF
        CAD 100 CAD 59
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 15 | Ryanair
        SOF 16:30
        2h 20m
        Nonstop
        FKB 17:50
        Sofia - Karlsruhe | Sun, Jan 18 | Ryanair
        CAD 59 CAD 100
        41% OFF
        41% OFF
        CAD 100 CAD 59
      • FKB 12:45
        2h 20m
        Nonstop
        SOF 16:05
        Karlsruhe - Sofia | Sun, Jan 25 | Ryanair
        SOF 16:30
        2h 20m
        Nonstop
        FKB 17:50
        Sofia - Karlsruhe | Sun, Feb 1 | Ryanair
        CAD 60
        40% OFF
        CAD 100 CAD 60
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 29 | Ryanair
        SOF 16:30
        2h 20m
        Nonstop
        FKB 17:50
        Sofia - Karlsruhe | Sun, Feb 1 | Ryanair
        CAD 70
        30% OFF
        CAD 100 CAD 70
      • FKB 07:30
        2h 20m
        Nonstop
        SOF 10:50
        Karlsruhe - Sofia | Sat, Feb 7 | Ryanair
        SOF 05:45
        2h 20m
        Nonstop
        FKB 07:05
        Sofia - Karlsruhe | Sat, Feb 14 | Ryanair
        CAD 78
        22% OFF
        CAD 100 CAD 78
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Dec 11 | Ryanair
        SOF 21:30
        2h 20m
        Nonstop
        FKB 22:50
        Sofia - Karlsruhe | Mon, Dec 15 | Ryanair
        CAD 80
        20% OFF
        CAD 100 CAD 80
      • FKB 12:45
        2h 20m
        Nonstop
        SOF 16:05
        Karlsruhe - Sofia | Sun, Feb 1 | Ryanair
        SOF 05:45
        2h 20m
        Nonstop
        FKB 07:05
        Sofia - Karlsruhe | Sat, Feb 7 | Ryanair
        CAD 82
        18% OFF
        CAD 100 CAD 82
      • FKB 12:45
        2h 20m
        Nonstop
        SOF 16:05
        Karlsruhe - Sofia | Sun, Jan 11 | Ryanair
        SOF 10:05
        2h 20m
        Nonstop
        FKB 11:25
        Sofia - Karlsruhe | Thu, Jan 15 | Ryanair
        CAD 82
        18% OFF
        CAD 100 CAD 82
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 8 | Ryanair
        SOF 10:05
        2h 20m
        Nonstop
        FKB 11:25
        Sofia - Karlsruhe | Thu, Jan 15 | Ryanair
        CAD 89
        11% OFF
        CAD 100 CAD 89
      • FKB 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Karlsruhe - Sofia | Fri, Dec 12 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        FKB 16:00
        Sofia - Karlsruhe | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • Cheapest nonstop
        FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Dec 11 | Ryanair
        CAD 31 CAD 82
        63% OFF
        63% OFF
        CAD 82 CAD 31
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 29 | Ryanair
        CAD 31 CAD 82
        63% OFF
        63% OFF
        CAD 82 CAD 31
      • FKB 12:45
        2h 20m
        Nonstop
        SOF 16:05
        Karlsruhe - Sofia | Sun, Feb 1 | Ryanair
        CAD 44 CAD 82
        46% OFF
        46% OFF
        CAD 82 CAD 44
      • FKB 06:20
        2h 20m
        Nonstop
        SOF 09:40
        Karlsruhe - Sofia | Thu, Jan 1 | Ryanair
        CAD 52
        37% OFF
        CAD 82 CAD 52
      • FKB 16:35
        2h 20m
        Nonstop
        SOF 19:55
        Karlsruhe - Sofia | Tue, Dec 30 | Ryanair
        CAD 58
        30% OFF
        CAD 82 CAD 58
      • FKB 07:30
        2h 20m
        Nonstop
        SOF 10:50
        Karlsruhe - Sofia | Sat, Dec 13 | Ryanair
        CAD 60
        27% OFF
        CAD 82 CAD 60
      • FKB 17:45
        2h 20m
        Nonstop
        SOF 21:05
        Karlsruhe - Sofia | Mon, Dec 29 | Ryanair
        CAD 73
        11% OFF
        CAD 82 CAD 73
      • FKB 14:30
        27h 5m
        1 stop
        SOF 18:35
        Karlsruhe - Sofia | Wed, Jan 14 | Ryanair
        CAD 64
        22% OFF
        CAD 82 CAD 64
      • FKB 21:25
        17h 10m
        1 stop
        SOF 15:35
        Karlsruhe - Sofia | Tue, Jan 6 | Ryanair
        CAD 68
        18% OFF
        CAD 82 CAD 68
      • FKB 22:55
        18h 5m
        1 stop
        SOF 18:00
        Karlsruhe - Sofia | Thu, Jan 8 | Ryanair
        CAD 70
        15% OFF
        CAD 82 CAD 70
      • FKB 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Karlsruhe - Sofia | Fri, Dec 12 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Karlsruhe to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Karlsruhe to Sofia

The distance between Karlsruhe and Sofia is approximately 1,353.78 km. It takes around 2 hours 20 minutes on average to fly from Karlsruhe to Sofia. Based on Trip.com's data travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight priceCAD 31
Cheapest return ticket priceCAD 55
Off-season for travelAugust
Peak season for travelJuly
Flight distance1,353.78 km
Average flight time2 hours 20 minutes

When is the cheapest time to fly from Karlsruhe to Sofia?

The cheapest time for Karlsruhe to Sofia flights: Jan 25 to Feb 1 — one way flight prices from CAD 31.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Karlsruhe to Sofia, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Karlsruhe to Sofia (FKB-SOF)?

    Based on Trip.com data, Ryanair offers one-way fares as low as CAD 31 on Cheapest nonstop routes (e.g. FKB to SOF on Thu, Dec 11), while Ryanair offers Cheapest nonstop round-trips from CAD 55 departing on Thu, Jan 22 and returning on Thu, Jan 29.
  • It takes about 2 hours 20 minutes to fly from Karlsruhe (FKB) to Sofia (SOF).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Karlsruhe to Sofia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Karlsruhe to Sofia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Dec 11, with one-way flights priced at just CAD 31.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sofia travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Karlsruhe to Sofia is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Karlsruhe to Sofia on December 11, 2025 with Ryanair, with prices starting at CAD 79.
  • The time difference between Sofia and Karlsruhe is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights