Question 1

How far ahead should I book a flight from Porto to Bilbao?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Porto to Bilbao, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 2

What is the cheapest month to book a flight from Porto to Bilbao?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Porto to Bilbao (average of $541). Flying from Porto to Bilbao in June is currently the most expensive (average of $1,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

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

Accepted Answer

Travelers seeking maximum savings on their Porto to Bilbao flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Question 6

What are the most reliable airlines from Porto to Bilbao?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Porto to Bilbao consider choosing Volotea (94%), TAP AIR PORTUGAL (94%) or Vueling (89%) as they are the most reliable in getting you off to your destination on time.

Question 7

What is the cheapest day to fly round-trip from Porto to Bilbao?

Accepted Answer

Wednesday is generally a great day to depart. Flying on this day could help you save up to 109%.

Question 8

How far in advance should I book a flight from Porto to Bilbao?

Accepted Answer

Find a great deal and save up to 254% by booking at least 59 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Porto to Bilbao within the next two weeks, with the cheapest ticket starting at $106.

Question 9

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

Accepted Answer

Flights from Porto to Bilbao lean towards being more expensive in August. Prices are generally better when you fly from Porto to Bilbao in February, with the cheapest ticket starting at $25.

Question 10

What is the cheapest time of day to fly from OPO to BIO?

Accepted Answer

It’s optimal to fly from Porto to Bilbao in the afternoon. By choosing this option you can save up to 66% on the cost of your flight, compared to a flight in the morning.

Question 11

Can I find deals for flights from Porto to Bilbao that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Porto to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 12

How can I find direct flights from Porto to Bilbao?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Bilbao.

Question 13

Can I find deals for business class flights from Porto to Bilbao?

Accepted Answer

Yes. Cheapflights offers flight deals from Porto to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	August
Cheapest in	February
Average price	$152
Good one-way deal	$117 or less

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Cheapflights Tip: The best prices from Porto to Bilbao are usually found in February or November, booked 70 days in advance, depart on a Tuesday or Monday and return on a Monday

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How far ahead should I book a flight from Porto to Bilbao?

Use this chart to determine the optimal time to book a round-trip flight from Porto to Bilbao. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Porto to Bilbao?

What is the cheapest time of day to fly from OPO to BIO?

Find hourly flight availability from Porto to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Related info for your journey

Find useful and relevant information for your journey from Porto to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most reliable airlines from Porto to Bilbao?

Can I find deals for flights from Porto to Bilbao that include hotel bookings?

How can I find direct flights from Porto to Bilbao?

Can I find deals for business class flights from Porto to Bilbao?

What is the cheapest month to book a flight from Porto to Bilbao?

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