$889 Cheap Flights from Bilbao (BIO) to Southampton (SOU)

View $889 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Southampton (SOU)

Cheap Flights from Bilbao to Southampton (BIO-SOU)

Prices were available within the past 7 days and start at $889 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Bilbao (BIO) to Southampton (SOU)
Origin airport
Bilbao
Destination airport
Southampton
Distance
533 mi

Bilbao to Southampton Flights

The cheapest times to fly from Bilbao to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bilbao to Southampton are during the month of . You can find some of the cheapest flights from Bilbao to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bilbao to Southampton

Sunday is one of the best days to book for cheap flights from Bilbao to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bilbao to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bilbao to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $889 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bilbao to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bilbao to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $889 or cheap return flight from Bilbao Airport (BIO) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Southampton Airport (SOU)?
The cheapest month to fly from BIO to SOU is , when demand is low. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Southampton Airport (SOU)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BIO to SOU. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bilbao Airport (BIO) to Southampton Airport (SOU)?
There are no daily direct flights departing from Bilbao Airport (BIO) to Southampton Airport (SOU). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BIO to SOU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bilbao Airport (BIO) to Southampton Airport (SOU)?
To land at Southampton Airport (SOU) on time, choose a flight that takes off from Bilbao Airport (BIO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bilbao Airport (BIO) to Southampton Airport (SOU) last-minute?
Holding off until just before your departure to book your flight from BIO to SOU generally means paying more. Although you may find some last-minute deals, there's no guarantee. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a BIO to SOU flight and hotel package?
Compared with arranging hotels and flights separately, booking a BIO to SOU flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Southampton Airport (SOU)?
Usually, it's possible to cancel or reschedule your BIO to SOU flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.