Travellers have found that booking a Monday departure is the best way to save up to 53% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 27% on flights from Southampton to Bilbao compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £100. For sooner than that we have options available in the next 3 days from £112.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Bilbao as you normally would.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Bilbao for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Southampton will have the same amount of rainfall in 1 compared to Bilbao over the next 13 days.
Expect the weather to be around 27 °C on average in August. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Bilbao is generally hotter than in Southampton.