Question : Should you take that vacation to Barcelona in the next 30 days?
Answer : Since low prices are preferred, look at Mar 2nd. As of Feb 20th, it's showing the cheapest ticket sales at $773. That is 37% below the average price for this route, so you can spend that extra cash on an adventure rather than the flight.
Question : How much should a trip from Tijuana (TIJ) to Barcelona (BCN) cost?
Answer : Ranging anywhere from $773 to $1,894, prices for TIJ to BCN do fluctuate a lot more than most routes from Mexico. The further out you book a route, the more likely you are to save.
Question : How long do most people visit Barcelona?
Answer : Of course you're not most people, but if you were, you'd stay roughly 12 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The lowest-cost day to fly in March is Thursday. Being flexible with your travel days garners even more savings during booking.