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Flights from Karlsruhe to Belfast

Find the cheapest flight options from Karlsruhe to Belfast over the next three months. Book one-way tickets from US$62 and round-trip tickets from US$446.

      • FKB 14:35
        8h
        1 stop
        BFS 21:35
        Karlsruhe - Belfast | Fri, Dec 26 | Ryanair
        BFS 20:55
        12h 5m
        1 stop
        FKB 10:00
        Belfast - Karlsruhe | Sun, Dec 28 | easyJet
        US$446 US$519
        14% OFF
        14% OFF
        US$519 US$446
      • FKB 13:00
        17h 25m
        1 stop
        BFS Invalid Date
        Karlsruhe - Belfast | Mon, Dec 15 | Normal Airline
        BFS 15:00
        6h
        Direct
        FKB 16:00
        Belfast - Karlsruhe | Wed, Dec 17 | Normal Airline
        Find More Flights
        Find More Flights
      • FKB 22:25
        11h 45m
        1 stop
        BFS 09:10
        Karlsruhe - Belfast | Mon, Dec 15 | Ryanair
        US$62 US$231
        73% OFF
        73% OFF
        US$231 US$62
      • FKB 14:30
        19h 40m
        1 stop
        BFS 09:10
        Karlsruhe - Belfast | Wed, Dec 17 | Ryanair
        US$84 US$231
        64% OFF
        64% OFF
        US$231 US$84
      • FKB 22:30
        10h 50m
        1 stop
        BFS 08:20
        Karlsruhe - Belfast | Fri, Dec 26 | Ryanair
        US$141 US$231
        39% OFF
        39% OFF
        US$231 US$141
      • FKB 22:15
        10h 10m
        1 stop
        BFS 07:25
        Karlsruhe - Belfast | Sun, Dec 21 | Ryanair
        US$151
        35% OFF
        US$231 US$151
      • FKB 22:55
        10h 55m
        1 stop
        BFS 08:50
        Karlsruhe - Belfast | Sat, Dec 27 | Ryanair
        US$170
        26% OFF
        US$231 US$170
      • FKB 22:50
        26h
        1 stop
        BFS 23:50
        Karlsruhe - Belfast | Fri, Dec 19 | Ryanair
        US$182
        21% OFF
        US$231 US$182
      • FKB 22:55
        9h 30m
        1 stop
        BFS 07:25
        Karlsruhe - Belfast | Thu, Dec 18 | Ryanair
        US$186
        19% OFF
        US$231 US$186
      • FKB 22:25
        16h 40m
        1 stop
        BFS 14:05
        Karlsruhe - Belfast | Mon, Dec 22 | Ryanair
        US$198
        14% OFF
        US$231 US$198
      • FKB 22:55
        10h 30m
        1 stop
        BFS 08:25
        Karlsruhe - Belfast | Sat, Dec 20 | Ryanair
        US$198
        14% OFF
        US$231 US$198
      • FKB 13:00
        17h 25m
        1 stop
        BFS Invalid Date
        Karlsruhe - Belfast | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Karlsruhe to Belfast

The distance between Karlsruhe and Belfast is 1,160.77km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceUS$62
Cheapest return ticket priceUS$446
Off-season travel monthOctober
Peak season for travelJanuary
Flight distance1,160.77km

Find the best time to fly from Karlsruhe to Belfast

The cheapest time for Karlsruhe to Belfast flights: Dec 14 to Dec 21 — one way flight prices from US$62.

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 Belfast, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Karlsruhe (FKB) to Belfast (BFS)?

    Based on Trip.com data, Ryanair offers one-way fares as low as US$62 on Cheapest nonstop routes (e.g. FKB to BFS on Mon, Dec 15), while Ryanair offers Cheapest nonstop round-trips from US$446 departing on Fri, Dec 26 and returning on Sun, Dec 28.
  • 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 Belfast 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 Belfast, 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 Mon, Dec 15, with one-way flights priced at just US$62.
    · 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 Belfast travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Karlsruhe to Belfast is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Karlsruhe to Belfast on December 26, 2025 with Ryanair, with prices starting at US$445.
  • The time difference between Belfast and Karlsruhe is 1h.
  • Tickets can only be changed or cancelled 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.

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