Due to multiple factors, expect to potentially pay more when booking in September. For low rates, February can be a great choice for travel to Barcelona. Flights to Barcelona from Knoxville in February are about $953 on average during February, but can be found for as low as $514.
When flying from Knoxville to Barcelona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
||$421||$1,105||No cancel fee||71%|
||$506||$987||No cancel fee||69%|
||$528||$1,112||No cancel fee||N/A|
||$825||$987||No cancel fee||70%|