Cheap Flights from Porto to Bilbao from $80

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Find the cheapest month or even day of the year to fly to Bilbao

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Flight deals from Porto to Bilbao

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Bilbao Airport? If you want to travel next month, return fares start from $117. Find the lowest prices on one-way and return tickets right here.

Bilbao.$80 per passenger.Departing Thu, 17 Sep, returning Sun, 27 Sep.Return flight with Vueling Airlines and Volotea.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 17 Sep, arriving in Bilbao.Inbound direct flight with Volotea departs from Bilbao on Sun, 27 Sep, arriving in Porto.Price includes taxes and charges.From $80, select.

Bilbao.$84 per passenger.Departing Tue, 9 Feb, returning Sat, 13 Feb.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 9 Feb, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Sat, 13 Feb, arriving in Porto.Price includes taxes and charges.From $84, select.

Bilbao.$84 per passenger.Departing Sat, 16 Jan, returning Tue, 19 Jan.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Sat, 16 Jan, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 19 Jan, arriving in Porto.Price includes taxes and charges.From $84, select.

Bilbao.$84 per passenger.Departing Sat, 16 Jan, returning Tue, 2 Feb.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Sat, 16 Jan, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 2 Feb, arriving in Porto.Price includes taxes and charges.From $84, select.

Bilbao.$84 per passenger.Departing Tue, 9 Feb, returning Tue, 2 Mar.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 9 Feb, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 2 Mar, arriving in Porto.Price includes taxes and charges.From $84, select.

Bilbao.$86 per passenger.Departing Thu, 1 Oct, returning Thu, 22 Oct.Return flight with Volotea and Vueling Airlines.Outbound direct flight with Volotea departs from Porto on Thu, 1 Oct, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Thu, 22 Oct, arriving in Porto.Price includes taxes and charges.From $86, select.

Bilbao.$92 per passenger.Departing Thu, 17 Sep, returning Thu, 1 Oct.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 17 Sep, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Thu, 1 Oct, arriving in Porto.Price includes taxes and charges.From $92, select.

Bilbao.$92 per passenger.Departing Thu, 17 Dec, returning Tue, 5 Jan.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 17 Dec, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 5 Jan, arriving in Porto.Price includes taxes and charges.From $92, select.

Bilbao.$94 per passenger.Departing Thu, 22 Oct, returning Tue, 3 Nov.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 22 Oct, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 3 Nov, arriving in Porto.Price includes taxes and charges.From $94, select.

Bilbao.$96 per passenger.Departing Tue, 2 Mar, returning Sat, 13 Mar.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 2 Mar, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Sat, 13 Mar, arriving in Porto.Price includes taxes and charges.From $96, select.

Bilbao.$96 per passenger.Departing Sat, 21 Nov, returning Tue, 24 Nov.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Sat, 21 Nov, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Tue, 24 Nov, arriving in Porto.Price includes taxes and charges.From $96, select.

Bilbao.$98 per passenger.Departing Thu, 3 Dec, returning Thu, 17 Dec.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 3 Dec, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Thu, 17 Dec, arriving in Porto.Price includes taxes and charges.From $98, select.

Bilbao.$104 per passenger.Departing Sat, 21 Nov, returning Thu, 3 Dec.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Sat, 21 Nov, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Thu, 3 Dec, arriving in Porto.Price includes taxes and charges.From $104, select.

Bilbao.$117 per passenger.Departing Tue, 11 Aug, returning Sat, 22 Aug.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 11 Aug, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Sat, 22 Aug, arriving in Porto.Price includes taxes and charges.From $117, select.

Bilbao.$120 per passenger.Departing Tue, 21 Jul, returning Sat, 22 Aug.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 21 Jul, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Sat, 22 Aug, arriving in Porto.Price includes taxes and charges.From $120, select.

Bilbao.$136 per passenger.Departing Fri, 18 Sep, returning Sat, 7 Nov.Return flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Fri, 18 Sep, arriving in Bilbao.Inbound direct flight with Vueling Airlines departs from Bilbao on Sat, 7 Nov, arriving in Porto.Price includes taxes and charges.From $136, select.

Find the cheapest month to fly from Porto to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Bilbao flights are currently cheapest in September.

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Direct flights from Porto to Bilbao

Porto to Bilbao: Alternative routes

Compare routes from Porto to Bilbao below. You may find an airport to fly into that's cheaper, faster, or easier than Bilbao.

Porto to Bilbao: Flight information

The things to know before you go.

Cheapest flight found	$80
Cheapest month to fly	September
Average flight time	1 hr, 16 mins
Most popular airline	Vueling Airlines
Average flights per week	6

Finding cheap flights from Porto to Bilbao: Frequently asked questions

How much are return flights from Porto to Bilbao?

The best price we found for a return flight from Porto to Bilbao is $80. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Porto to Bilbao?

1 hour and 16 minutes is the average flight time from Porto to Bilbao.

Which airlines fly direct from Porto to Bilbao?

Vueling Airlines, Volotea and TAP Air Portugal fly direct from Porto to Bilbao.

How many flights are there a week from Porto to Bilbao?

As of July 2026, there are 6 flights per week flying from Porto to Bilbao.

When is the cheapest time to fly from Porto to Bilbao?

The cheapest month to fly from Porto to Bilbao is usually September.

Which upcoming date is cheapest to fly from Porto Airport to Bilbao Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Bilbao Airport on Thursday, 17 September 2026.

Can I get a direct flight from Porto Airport to Bilbao Airport?

Yes – the average flight time is 1 hour and 16 minutes.

How can I find the best flight deal to Bilbao?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bilbao but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Bilbao?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Porto Airport to Bilbao with?

Currently, Vueling Airlines offers the cheapest flight tickets to Bilbao.

Travelling from Porto Airport (OPO) to Bilbao Airport (BIO): what you need to know

Jump on a direct flight from Porto Airport to Bilbao Airport and you'll be travelling for an average of 1 hour 15 minutes.
The timezone in Bilbao is UTC+1, which is one hour ahead of Porto.
Take your pick of seven weekly Porto Airport to Bilbao Airport flights. The 15:50 departure with Vueling is the earliest you can take. Volotea operates the last service of the day at 20:55.
To ensure you catch your OPO to BIO flight, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the standard rule.
Flying during a peak month like August? Major public holidays and other popular periods can result in longer lines and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.
Vueling offers direct flights from Porto Airport to Bilbao Airport. Book with this popular airline, then get ready to see the sights in Bilbao — and maybe even more of Spain if time allows.
The airline with the highest number of bookings on this route is Vueling.
Vueling is the most punctual carrier that operates OPO to BIO flights. A reliable 86.21% of its departures on this route land as scheduled.
Consider adding a stopover when booking your ticket from Porto Airport to Bilbao Airport. Just deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between OPO and BIO:
- Madrid Airport
- Malaga Airport
- Valencia Airport

Handy information about Porto Airport (OPO)

75% of flights that leave from Porto Airport reach their destination on schedule.
To reach Porto Airport from central Porto, it'll take about 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 11 kilometres from the airport to the city centre.
The journey when using public transport takes roughly 30 minutes.
Searching for a handy hotel near OPO? If you've booked an early flight from Porto Airport to Bilbao Airport, these accommodation options will have you moments from check-in:

Arriving at Bilbao Airport (BIO)

If you're landing on a late Porto Airport to Bilbao Airport flight, nothing tops the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and sleeping shortly after at one of these hotels near BIO:
Begin your adventure by picking up a Bilbao Airport rental car. Grab a set of wheels from Record Go, Click and Rent or Goldcar to explore Bilbao and beyond.
To lock in the lowest price, book your vehicle from Bilbao Airport around four weeks ahead.

When to fly to Bilbao Airport (BIO)

June is the most popular month for flights from Porto Airport to Bilbao Airport. To steer clear of the crowds, travel to Bilbao in March.
The warmest month in Bilbao is August, with the temperature ranging between 16ºC and 26ºC. Lock in your flights from Porto Airport to Bilbao Airport in this month if this is the type of weather you enjoy.
If you like cooler conditions, search for a cheap ticket from OPO to BIO in January. Average temperatures are between 5ºC and 13ºC then.

Explore more of Spain

Zaragoza is just one of the many places in Spain waiting to be discovered once you've seen Bilbao. Around 241 kilometres away to the south-east, its top attractions include Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.
Salamanca is another must-experience destination in Spain and is around 338 kilometres south-west of Bilbao. No journey is complete without experiencing Catedral de Salamanca, Salamanca, Casco Historico and Plaza Mayor.