Cheap flights from Porto to Bilbao

One-way fares from €18 · OPO → BIO · prices found by travellers in the last 48 hours

Compare all dates Bilbao → Porto
Cheapest fare
€18

Vueling · Tue, 19 Jan

Cheapest month
January

from €18

Direct flights
Yes

Volotea and Vueling

Flight time
1h 15m

520 km

Get a price alert

We'll email you when Porto → Bilbao drops to your price. It's free, and you can stop any time.

Today's cheapest fare is €18. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Porto to Bilbao

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 €26
  2. December 2026 €20
  3. January 2027 Cheapest €18
  4. June 2027 €27

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

Vueling
Depart20:45 Tue, 19 JanOPO → BIO 1h 15m · Direct
€18one way, per person
View deal
Vueling
Depart20:45 Tue, 12 JanOPO → BIO 1h 15m · Direct
€20one way, per person
View deal
Vueling
Depart20:05 Sat, 30 JanOPO → BIO 1h 15m · Direct
€20one way, per person
View deal
Ryanair
Depart07:00 Mon, 18 JanOPO → BIO 4h 35m · 1 stop
€35one way, per person
View deal
Vueling
Depart20:15 Thu, 7 JanOPO → BIO 1h 15m · Direct
€40one way, per person
View deal
Vueling
Depart21:55 Fri, 29 JanOPO → BIO 3h 00m · 1 stop
€55one way, per person
View deal
Ryanair
Depart07:10 Mon, 4 JanOPO → BIO 2h 40m · 1 stop
€56one way, per person
View deal
Portugalia Airlines
Depart16:00 Wed, 6 JanOPO → BIO 2h 50m · 1 stop
€68one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Bilbao

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in BilbaoCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in BilbaoTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BilbaoPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BilbaoCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for SpainMobile data from the moment you land, by Airalo Get eSIM →

About flights from Porto to Bilbao

Porto (OPO) and Bilbao (BIO) are about 520 km apart. Direct flights take around 1h 15m, and recent direct fares were with Volotea and Vueling. Over the next few months, one-way fares start from €18, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Porto to Bilbao?

The cheapest one-way fare we've seen recently is €18 with Vueling, departing Tuesday, 19 January 2027. Over the coming months, the lowest fare in each month ranges from €18 to €27.

What is the cheapest month to fly from Porto to Bilbao?

January 2027 currently has the lowest fares, from €18 one way.

Are there direct flights from Porto to Bilbao?

Yes. Recent direct fares were with Volotea and Vueling.

How long is the flight from Porto to Bilbao?

A direct flight takes about 1h 15m. Porto and Bilbao are around 520 km apart.

Which airlines fly from Porto to Bilbao?

Recent fares on this route were with Volotea, Vueling, Ryanair and Portugalia Airlines.

More cheap flights from Porto

Compare flights to Bilbao from other cities →