Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at December 20th. As of December 5th, the cheapest ticket sales are coming in 39% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : How many days should you spend in Barcelona if you're flying in from Dallas?
Answer : Of course you're not most people, but if you were, you'd stay roughly 13 days.
Question : Is price more important than specific travel days for you?
Answer : In December, Thursday is your lowest-cost day to fly. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Are prices changing frequently for this route?
Answer : Prices are fluctuating a lot more for this route than most routes. Prices tend to be lower the further out you book.