It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
To save up to 20% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from McAllen to Barcelona from $801 1-2 weeks out and tickets from $850 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Barcelona. Flights to Barcelona from McAllen in November are about $804 on average during November, but can be found for as low as $455.
A simple way to save on the total cost of your ticket is to fly from McAllen to Barcelona at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.