Route guide

Porto → Bilbao

524 km · Portugal to Spain · Fastest: 3h by flight · Cheapest: €22+ by bus

How to travel from Porto to Bilbao

There are 4 ways to travel between Porto and Bilbao — compare duration, price and operators below.

🚄Train

€46–134

Duration: 4h 22m

via CP Comboios de Portugal, Renfe (AVE)

~7.0 kg CO₂ per passenger

🚌Bus

€22–57

Duration: 7h 29m

via FlixBus, BlaBlaCar Bus

~15 kg CO₂ per passenger

✈️Flight

€56–183

Duration: 3h 12m

via Ryanair, easyJet, TAP Air Portugal, Iberia, Vueling

~82 kg CO₂ per passenger

🚗Car

€63–115

Duration: 5h 49m

~89 kg CO₂ per passenger

Where they are on the map

Porto and Bilbao highlighted among the 50 European cities we cover. Map is schematic, not to scale.

Travel tips for this route

At 524 km this is a comfortable weekend trip — train or flight both work.
Both train and flight options exist. Trains often beat flights door-to-door under 600 km once you count airport overhead.
This route crosses from Portugal into Spain. Check passport/ID requirements with your operator before booking.
Long-distance coaches (FlixBus and similar) are typically 30–50% cheaper than train, but 2–3× slower.

Porto to Bilbao — every option in detail

Porto to Bilbao by train

Trains link Porto (Portugal) and Bilbao (Spain) through the European rail network. Most journeys take around 4h 22m including one or two connections at major hubs.

Operators on this corridor include CP Comboios de Portugal, Renfe (AVE).

Train fares are dynamic — typical range is €46 to €134. Advance-purchase tickets (1–2 months ahead) almost always beat walk-up prices.

On routes under 600 km like this one, train often beats flight door-to-door once you factor in airport check-in and transfers.

Climate footprint: about 7.0 kg CO₂ per passenger by train vs roughly 82 kg by flight — taking the train saves ~75 kg on this distance.

Porto to Bilbao by bus

Long-distance coaches connect Porto and Bilbao with a typical journey of 7h 29m. Buses are usually the slowest mode for this corridor but consistently the cheapest.

Operators include FlixBus, BlaBlaCar Bus.

Fares start from around €22 when booked in advance, rising to €57 for last-minute travel.

Most modern coaches offer Wi-Fi, USB charging and reclining seats. Overnight services exist on longer corridors and can save a hotel night.

Porto to Bilbao by flight

Flights between Porto and Bilbao take around 1h in the air, but plan on roughly 3h 12m door-to-door once you add airport transfers, check-in and security.

Airlines on this route include Ryanair, easyJet, TAP Air Portugal, Iberia, Vueling.

Typical fare range is €56–183. Low-cost carriers offer the cheapest base fares but charge separately for bags and seat selection.

Climate footprint: approximately 82 kg CO₂ per passenger for this flight.

Porto to Bilbao by car

The driving distance from Porto to Bilbao is approximately 603 km. At motorway speeds, plan on around 5h 49m of driving plus stops.

Fuel-only running cost is in the €63–115 range for a typical car. Toll roads may apply, especially in France, Italy, Spain, Austria and Switzerland — budget extra accordingly.

Crossing the Portugal–Spain border by car is straightforward within the Schengen Area; check current rules with the operator or border authority if either country is outside it.

Climate footprint: approximately 89 kg CO₂ per passenger assuming 1.5 occupants per car.

About this route

The distance between Porto and Bilbao is approximately 524 kilometres. Direct or connecting trains link the two cities through the European rail network. Both cities have international airports with regular flight service. Long-distance coaches offer a budget-friendly alternative on this route. Estimates below reflect typical operator schedules and fare ranges; book in advance for the best prices.

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