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Cheap Flights from Frankfurt to Castle

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      Travellers and cabin class, 1 Adult, Economy

      Compare Frankfurt to Castle flight deals

      Find the cheapest month or even day of the year to fly to Castle

      Book the best Castle fare with no extra fees

      Flight deals from Frankfurt to Castle

      Looking for a cheap last-minute deal or the best return flight from Frankfurt to Castle? Find the lowest prices on one-way and return tickets right here.
      Cardiff.137 € per passenger.Departing Fri, 18 Sep, returning Tue, 22 Sep.Return flight with Aer Lingus and Ryanair.Outbound indirect flight with Aer Lingus, departs from Frankfurt am Main on Fri, 18 Sep, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Tue, 22 Sep, arriving in Frankfurt am Main.Price includes taxes and charges.From 137 €, select.
      Cardiff.140 € per passenger.Departing Fri, 16 Oct, returning Mon, 19 Oct.Return flight with Aer Lingus and Ryanair.Outbound indirect flight with Aer Lingus, departs from Frankfurt am Main on Fri, 16 Oct, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Mon, 19 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From 140 €, select.
      Cardiff.145 € per passenger.Departing Tue, 18 Aug, returning Tue, 25 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Tue, 18 Aug, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Tue, 25 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From 145 €, select.
      Cardiff.154 € per passenger.Departing Thu, 24 Sep, returning Thu, 1 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Thu, 24 Sep, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Thu, 1 Oct, arriving in Hahn.Price includes taxes and charges.From 154 €, select.
      Cardiff.181 € per passenger.Departing Thu, 30 Jul, returning Thu, 6 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Thu, 30 Jul, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Thu, 6 Aug, arriving in Hahn.Price includes taxes and charges.From 181 €, select.
      Cardiff.193 € per passenger.Departing Thu, 27 Aug, returning Thu, 3 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Thu, 27 Aug, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Thu, 3 Sep, arriving in Hahn.Price includes taxes and charges.From 193 €, select.
      Cardiff.221 € per passenger.Departing Fri, 24 Jul, returning Fri, 31 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Fri, 24 Jul, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Fri, 31 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From 221 €, select.
      Cardiff.232 € per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Fri, 4 Dec, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Mon, 7 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From 232 €, select.
      Cardiff.232 € per passenger.Departing Tue, 16 Mar, returning Sat, 20 Mar.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Tue, 16 Mar, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sat, 20 Mar, arriving in Frankfurt am Main.Price includes taxes and charges.From 232 €, select.
      Cardiff.232 € per passenger.Departing Thu, 28 Jan, returning Sun, 31 Jan.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Thu, 28 Jan, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sun, 31 Jan, arriving in Frankfurt am Main.Price includes taxes and charges.From 232 €, select.
      Cardiff.232 € per passenger.Departing Thu, 5 Nov, returning Sat, 7 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Thu, 5 Nov, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sat, 7 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From 232 €, select.
      Cardiff.232 € per passenger.Departing Fri, 27 Nov, returning Sat, 5 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Fri, 27 Nov, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sat, 5 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From 232 €, select.
      Cardiff.256 € per passenger.Departing Fri, 30 Oct, returning Mon, 2 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Fri, 30 Oct, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Mon, 2 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From 256 €, select.
      Cardiff.266 € per passenger.Departing Fri, 11 Sep, returning Sun, 20 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Fri, 11 Sep, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sun, 20 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From 266 €, select.
      Cardiff.280 € per passenger.Departing Mon, 7 Jun, returning Mon, 21 Jun.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Mon, 7 Jun, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Mon, 21 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From 280 €, select.
      Cardiff.280 € per passenger.Departing Sat, 24 Apr, returning Sat, 1 May.Return flight with KLM.Outbound indirect flight with KLM, departs from Frankfurt am Main on Sat, 24 Apr, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Sat, 1 May, arriving in Frankfurt am Main.Price includes taxes and charges.From 280 €, select.
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      Frankfurt to Castle: Flight information

      The things to know before you go.
      Fly intoCardiff Airport
      Distance to Castle14.7 km
      Cheapest flight137 €
      Cheapest month to flySeptember

      Find the cheapest month to fly from Frankfurt to Castle

      We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Frankfurt to Castle flights are currently cheapest in September. We’ve based this on flights into Cardiff Airport.
      Jul
      from 221 €
      Aug
      from 145 €
      Sep
      from 137 €
      Oct
      from 140 €
      Nov
      from 232 €
      Dec
      from 232 €
      Jan
      from 232 €
      Feb
      from 296 €
      Mar
      from 232 €
      Apr
      from 281 €
      May
      from 281 €
      Jun
      from 280 €

      Finding cheap flights from Frankfurt to Castle: Frequently asked questions

      There are 3 airports near Castle: Cardiff Airport, Bristol Airport and Swansea Airport.
      The best price we found for a return flight from Frankfurt to Castle is 137 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Frankfurt to Castle. But we found flights with one or more stops from 137 €.
      We've checked every Frankfurt to Castle fare we could find, and the cheapest upcoming date to fly seems to be on Friday, 18 September 2026. Overall, the cheapest month to fly from Frankfurt to Castle is usually September.
      If you're flying from Frankfurt, the cheapest airport near Castle is Cardiff – which is 14.7 km away from the centre of Castle. We've found flights into this airport from 137 €.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Frankfurt to Castle on Friday, 18 September 2026.
      No airlines currently offer direct flights between Frankfurt and Castle. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castle is around 40 days in advance, so don’t leave your flight to the last minute.

      Cardiff Airport is 14.7km from Castle, Bristol Airport is 33.9km from Castle, and Swansea Airport is 56.3km from Castle.
      Cardiff Airport is closest to Castle, at around 14.7 km away.
      The cheapest airline that flies to Castle is Aer Lingus .