Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Cardiff. Flights to Cardiff from Cambridge in March are about £163 on average during March, but can be found for as low as £108.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cambridge to Cardiff as you normally would.
To save up to 31% on this flight, we recommend booking at least 47 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cambridge to Cardiff from £170 1-2 weeks out and tickets from £206 for flights departing within the next 72 hours.