Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bilbao to Porto from £20

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
21 Apr — 28 Apr1
1 adult

Cheap flight deals from Bilbao to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 April 2025.

Round-trip from

£48

One-way from

£20

Popular in

August

Cheapest in

February

Average price

£93
Vueling
  • Vueling
  • 2/5-10/5
  • Nonstop
  • 2h 35m total
  • Bilbao to Porto
Search Deals
Vueling
  • Vueling
  • 7/6
  • Nonstop
  • 1h 20m total
  • Bilbao to Porto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Bilbao to Porto

Cheapest flights from Bilbao to Porto
Explore the most affordable flight options available from Bilbao to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Fri 2/515:10BIO - OPO
Nonstop1h 20mVueling
Sat 10/515:50OPO - BIO
Nonstop1h 15mVueling
Deal found 15/4£48
Thu 5/620:05BIO - OPO
Nonstop1h 20mVolotea
Sun 8/620:00OPO - BIO
Nonstop1h 15mVolotea
Deal found 15/4£98
Thu 5/612:15BIO - OPO
1 stop9h 10mTAP AIR PORTUGAL
Sat 7/610:00OPO - BIO
1 stop6h 35mTAP AIR PORTUGAL
Deal found 16/4£106
Thu 5/612:45BIO - OPO
1 stop7h 35mAir Europa
Sun 8/607:35OPO - BIO
1 stop7h 20mAir Europa
Deal found 16/4£113
Tue 15/421:05BIO - OPO
1 stop10h 45mMultiple Airlines
Fri 18/421:15OPO - BIO
1 stop19h 20mMultiple Airlines
Deal found 15/4£213
Tue 13/511:50BIO - OPO
2 stops21h 05mSWISS
Thu 29/514:35OPO - BIO
2 stops16h 15mSWISS
Deal found 15/4£238
Mon 3/1113:00BIO - OPO
1 stop10h 25mLufthansa
Sun 9/1106:15OPO - BIO
2 stops9h 20mLufthansa
Deal found 15/4£260

Cheapflights Fare Finder

Customise your flight search to find flights from Bilbao to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 April 2025.
Use the filters below to find and compare flights from Bilbao to Porto that are best for you.

Fly from

Bilbao

Fly to

Porto

Route

Depart

Return

Price

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 13/5

19:15-19:35

Nonstop1h 20m

Porto

Fri 16/5

16:25-18:40

Nonstop1h 15m

£58

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 5/6

20:05-20:25

Nonstop1h 20m

Porto

Sun 8/6

20:00-22:15

Nonstop1h 15m

£98

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 5/6

12:15-20:25

1 stop9h 10m

Porto

Sat 7/6

10:00-17:35

1 stop6h 35m

£106

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 5/6

12:45-19:20

1 stop7h 35m

Porto

Sun 8/6

07:35-15:55

1 stop7h 20m

£113

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 13/5

11:50-07:55

2 stops21h 05m

Porto

Thu 29/5

14:35-07:50

2 stops16h 15m

£238

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 29/7

07:15-23:20

1 stop17h 05m

Porto

Fri 8/8

06:15-22:50

2 stops15h 35m

£269

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 5/6

08:40-18:30

1 stop10h 50m

Porto

Sat 7/6

12:05-23:25

2 stops10h 20m

£281

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 10/5

12:10-12:05

1 stop24h 55m

Porto

Mon 12/5

12:55-16:05

1 stop26h 10m

£406

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 7/6

14:55-15:15

Nonstop1h 20m

£20

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 8/6

19:10-19:30

Nonstop1h 20m

£29

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 14 results
1
2

Best time to book a flight from Bilbao to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Bilbao with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bilbao to Porto

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

Use this chart to determine the optimal time to book a return flight from Bilbao to Porto. Price data was last updated on 11 April 2025.

The price you pay for your flight from Bilbao to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Bilbao to Porto (average of £66). Flying from Bilbao to Porto in August is currently the most expensive (average of £258). 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.

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

Find hourly flight availability from Bilbao to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 April 2025.

When flying from Bilbao to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 16 April 2025.
Get a feel of what it's like to fly with SWISS, Brussels Airlines and Volotea from Bilbao to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,580 reviews
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Brussels Airlines
7.4
Good
345 reviews
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Volotea
7.1
Good
552 reviews
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Vueling
7.1
Good
1,151 reviews
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
TAP AIR PORTUGAL
7.1
Good
1,837 reviews
SWISS
7.5
Good
1,580 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.3

Crew

8.2

Boarding

7.6

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

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

  • What are the cheapest airlines flying from Bilbao to Porto round-trip?

    Currently priced at £48, Vueling will fly you from Bilbao to Porto and back. In addition to Vueling, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Volotea and TAP AIR PORTUGAL - these airlines can fly you to your destination from £98 and £106, respectively. Vueling is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Bilbao to Porto one-way?

    For one-way options, check prices for Vueling. According to our data, you can fly for as low as £20. Users have also found prices from £29 and £54 on Volotea and Air Europa, respectively.

  • What are the most reliable airlines from Bilbao to Porto?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bilbao to Porto on time: Volotea (100%), TAP AIR PORTUGAL (100%), Vueling (90%).

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

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

  • How can I find direct flights from Bilbao to Porto?

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Bilbao to Porto (average of £66). Flying from Bilbao to Porto in August is currently the most expensive (average of £258). 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.

See more FAQs

Travelling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Coimbra
Viseu
Guimarães
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bilbao to Porto?

Cheapflights makes it easy to find Bilbao to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Bilbao to Porto?

Cheapflights simply makes it quick and affordable to book flights from Bilbao to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Bilbao to Porto with no change fees?

Need flexible booking options for your flight to Porto from Bilbao? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Bilbao to Porto become cheaper?

Of course! You can now track prices for flights from Bilbao to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights