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Cheap flights from Bilbao to Porto from £27

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

£62

One-way from

£27

Popular in

August

Cheapest in

February

Average price

£78
Vueling
  • Vueling
  • 14/10-21/10
  • Nonstop
  • 2h 35m total
  • Bilbao to Porto
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Air Europa
  • Air Europa
  • 6/11
  • 1 total stop
  • 3h 40m total
  • Bilbao to Porto
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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 15 September 2025.

Tue 14/1019:15BIO - OPO
Nonstop1h 20mVueling
Tue 21/1020:15OPO - BIO
Nonstop1h 15mVueling
Deal found 14/9£62
Sat 25/1021:05BIO - OPO
1 stop11h 45mAir Europa
Fri 31/1007:35OPO - BIO
1 stop11h 30mAir Europa
Deal found 13/9£66
Sat 25/1014:55BIO - OPO
Nonstop1h 20mVueling
Sat 1/1120:05OPO - BIO
Nonstop1h 15mVueling
Deal found 13/9£67
Tue 21/1019:15BIO - OPO
Nonstop1h 20mVueling
Thu 23/1020:40OPO - BIO
Nonstop1h 15mVueling
Deal found 15/9£69
Wed 19/1108:30BIO - OPO
1 stop3h 20mAir Europa
Thu 27/1111:35OPO - BIO
1 stop3h 25mAir Europa
Deal found 13/9£72
Sat 25/1014:55BIO - OPO
Nonstop1h 20mMultiple Airlines
Sun 2/1107:35OPO - BIO
1 stop3h 25mMultiple Airlines
Deal found 13/9£74
Sun 26/1019:55BIO - OPO
Nonstop1h 20mVolotea
Thu 30/1020:55OPO - BIO
Nonstop1h 15mVolotea
Deal found 15/9£74
Sun 26/1008:30BIO - OPO
1 stop3h 20mAir Europa
Fri 31/1020:10OPO - BIO
1 stop10h 30mAir Europa
Deal found 13/9£75
Sat 11/1018:35BIO - OPO
1 stop16h 25mTAP AIR PORTUGAL
Sat 18/1011:00OPO - BIO
1 stop5h 35mTAP AIR PORTUGAL
Deal found 14/9£76
Sat 18/1021:05BIO - OPO
1 stop10h 45mAir Europa
Wed 22/1007:35OPO - BIO
1 stop11h 30mAir Europa
Deal found 13/9£80
Fri 24/1021:05BIO - OPO
1 stop10h 45mAir Europa
Sun 2/1107:35OPO - BIO
1 stop11h 30mAir Europa
Deal found 13/9£81
Sat 25/1014:55BIO - OPO
Nonstop1h 20mMultiple Airlines
Fri 31/1007:35OPO - BIO
1 stop3h 25mMultiple Airlines
Deal found 13/9£82

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 15 September 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

Sat 25/10

14:55-15:15

Nonstop1h 20m

Porto

Sat 1/11

07:35-11:45

1 stop3h 10m

£66

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 26/10

08:30-10:50

1 stop3h 20m

Porto

Sat 1/11

11:35-20:05

1 stop7h 30m

£66

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 25/10

14:55-15:15

Nonstop1h 20m

Porto

Sat 1/11

20:05-22:20

Nonstop1h 15m

£67

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 21/10

19:15-19:35

Nonstop1h 20m

Porto

Thu 23/10

20:40-22:55

Nonstop1h 15m

£69

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 3/2

08:30-10:50

1 stop3h 20m

Porto

Sat 7/2

11:35-20:05

1 stop7h 30m

£72

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 23/11

12:45-15:15

1 stop3h 30m

Porto

Wed 26/11

11:35-20:05

1 stop7h 30m

£72

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Wed 19/11

08:30-10:50

1 stop3h 20m

Porto

Tue 25/11

07:35-11:45

1 stop3h 10m

£72

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Wed 19/11

08:30-10:50

1 stop3h 20m

Porto

Wed 26/11

07:35-12:00

1 stop3h 25m

£72

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 2/11

21:05-06:50

1 stop10h 45m

Porto

Wed 5/11

20:10-07:40

1 stop10h 30m

£72

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 2/12

21:05-06:50

1 stop10h 45m

Porto

Wed 10/12

07:35-16:00

1 stop7h 25m

£72

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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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 12 September 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 60 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 15 September 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.

How much does it cost for a return flight from Bilbao to Porto?

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.

  • How long is the flight from Bilbao to Porto?

    Departing from Bilbao to Porto will take you 1h 20m. The distance from Bilbao to Porto is about 327 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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: Vueling (65%), Iberia (65%), Volotea (0%).

  • 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 Porto?

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

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

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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.

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