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Cheap Flights from Porto to Bilbao

Compare Porto to Bilbao flight deals

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

Book the best Bilbao fare with no extra fees

Flight deals from Porto to Bilbao

Looking for a cheap last-minute deal or the best return flight from Porto to Bilbao? Find the lowest prices on one-way and return tickets right here.
Bilbao.R 371 per passenger.Departing Thu, 23 Oct.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 23 Oct, arriving in Bilbao.Price includes taxes and charges.From R 371, select.
Bilbao.R 371 per passenger.Departing Thu, 20 Nov.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 20 Nov, arriving in Bilbao.Price includes taxes and charges.From R 371, select.
Bilbao.R 456 per passenger.Departing Tue, 20 Jan.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 20 Jan, arriving in Bilbao.Price includes taxes and charges.From R 456, select.
Bilbao.R 456 per passenger.Departing Tue, 3 Feb.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 3 Feb, arriving in Bilbao.Price includes taxes and charges.From R 456, select.
Bilbao.R 456 per passenger.Departing Thu, 9 Apr.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Thu, 9 Apr, arriving in Bilbao.Price includes taxes and charges.From R 456, select.
Bilbao.R 456 per passenger.Departing Tue, 10 Mar.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Tue, 10 Mar, arriving in Bilbao.Price includes taxes and charges.From R 456, select.
Bilbao.R 456 per passenger.Departing Sat, 13 Dec.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departs from Porto on Sat, 13 Dec, arriving in Bilbao.Price includes taxes and charges.From R 456, select.
Bilbao.R 498 per passenger.Departing Thu, 25 Sep.One-way flight with Volotea.Outbound direct flight with Volotea departs from Porto on Thu, 25 Sep, arriving in Bilbao.Price includes taxes and charges.From R 498, 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 October.
Jul
from R 1,120
Aug
from R 1,203
Sep
from R 498
Oct
from R 371
Nov
from R 371
Dec
from R 456
Jan
from R 456
Feb
from R 456
Mar
from R 456
Apr
from R 456
May
from R 1,120
Jun
from R 2,534

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 foundR 371
Cheapest month to flyOctober
Average flight time1 hr, 15 mins
Most popular airlineIberia
Average flights per week8

Finding cheap flights from Porto to Bilbao: Frequently asked questions

The best price we found for a return flight from Porto to Bilbao is R 735. 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.
1 hour and 15 minutes is the average flight time from Porto to Bilbao.
Iberia, Vueling Airlines and TAP Air Portugal fly direct from Porto to Bilbao.
As of July 2025, there are 8 flights per week flying from Porto to Bilbao.
The cheapest month to fly from Porto to Bilbao is usually October.
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, 23 October 2025.
Yes – the average flight time is 1 hour and 15 minutes.
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.
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.
Currently, Vueling Airlines offers the cheapest flight tickets to Bilbao.

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

  • The average duration of a direct flight from Porto Airport to Bilbao Airport is 1 hour 15 minutes.

  • The timezone in Bilbao is UTC+1, which is one hour ahead of Porto.

  • Flights from OPO to BIO start from 15:35 — the first with Vueling. The last departure is at 20:55 with Volotea. In total, you can take your pick of six weekly Porto Airport to Bilbao Airport flights.

  • Your OPO to BIO flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during peak periods in general.

  • Volotea has direct flights from Porto Airport to Bilbao Airport. Book with this popular airline, then get ready to tick off the sights in Bilbao — and maybe even more of Spain if time allows.

  • Most travellers choose to fly with Volotea on this route.

  • Vueling ranks as the top on-time carrier for OPO to BIO flights, with 86.36% of services landing as scheduled.

  • Consider adding a stopover when booking your ticket from Porto Airport to Bilbao Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here are some options between OPO and BIO:

    • Adolfo Suarez Madrid-Barajas Airport

    • Valencia Airport

    • Malaga Airport

How to find the cheapest flights from Porto Airport (OPO) to Bilbao Airport (BIO)

  • The lowest price we've found for a one-way Porto Airport to Bilbao Airport flight is R 371. A return fare right now is R 735. Depending on the availability when you book, these fares could change.

  • Book seven months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from OPO to BIO.

  • Plan your trip for June. That's the cheapest month for flights from Porto Airport to Bilbao Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the lowest airfare across each month.

  • Cut down on the time spent looking for cheap flights from OPO to BIO by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Porto Airport to Bilbao Airport.

Handy information about Porto Airport (OPO)

  • Of all flights leaving Porto Airport, 74.49% arrive on time at their destination.

  • To reach Porto Airport from central Porto, it'll take about 20 minutes if you're going by car. This depends on traffic though. It's approximately 16 kilometres from the airport to the city centre.

  • The trip when using public transport usually takes 50 minutes.

  • Looking for a handy hotel close to OPO? If you're boarding an early flight from Porto Airport to Bilbao Airport, these stays will have you moments from your departure gate:

Arriving at Bilbao Airport (BIO)

  • The last thing you want is a long trip to your hotel if you're landing late on a Porto Airport to Bilbao Airport flight. Check in to one of these accommodation options near BIO instead:

  • Explore without limits with a Bilbao Airport rental car. Pick up a set of wheels from Record Go, Click and Rent or Goldcar and see more of Bilbao and beyond.

  • Reserving your ride from Bilbao Airport about four weeks in advance gives you the best chance of locking in a great deal.

Getting from Bilbao Airport (BIO) to central Bilbao

  • Bilbao Airport is roughly 6 kilometres from central Bilbao. The drive time takes around 10 minutes.

  • When travelling by public transport, expect a journey time of about 30 minutes.

When to fly to Bilbao Airport (BIO)

  • It's time to choose your travel dates for your flight from Porto Airport to Bilbao Airport. July is the most popular month to head to Bilbao. If you prefer a more low-key vibe, go in January.

  • When reserving your flight from Porto Airport to Bilbao Airport, think about the type of weather you like. August is the warmest month in Bilbao, with temperatures ranging from 16ºC (61ºF) to 25ºC (77ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 13ºC (55ºF). Look for cheap tickets from OPO to BIO around that time if you like travelling in cooler conditions.

Explore more of Spain

  • You've visited Bilbao, now it's time to explore other parts of Spain. Journey around 241 kilometres south-east to Zaragoza to tick off its top attractions. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, you've got a jam-packed schedule ahead.

  • If you want to check out another great destination in Spain, consider Salamanca, roughly 338 kilometres south-west of Bilbao. Plaza Mayor, S.O.U. Servicio de Orientación al Universitario. Universidad de Salamanca and Pontifical University of Salamanca are key highlights.

Plan the rest of your trip from Porto to Bilbao

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.