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Cheap flights from Bilbao to Porto from £47

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bilbao to Porto

Enter your travel dates to find the best prices.

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 1 July 2026.

Sat 22/819:45
BIO
-
OPO
Nonstop1h 20m
Vueling
Tue 25/821:05
OPO
-
BIO
1 stop10h 20m
Vueling
Deal found 26/6£66
Wed 16/922:50
BIO
-
OPO
1 stop10h 10m
Vueling
Wed 23/919:20
OPO
-
BIO
Nonstop1h 15m
Vueling
Deal found 29/6£74
Sun 20/919:50
BIO
-
OPO
Nonstop1h 20m
Volotea
Thu 24/920:55
OPO
-
BIO
Nonstop1h 15m
Volotea
Deal found 28/6£75
Sat 19/917:45
BIO
-
OPO
1 stop4h 35m
Vueling
Thu 24/920:40
OPO
-
BIO
Nonstop1h 15m
Vueling
Deal found 28/6£76
Fri 4/915:25
BIO
-
OPO
Nonstop1h 20m
Vueling
Wed 9/916:45
OPO
-
BIO
Nonstop1h 15m
Vueling
Deal found 25/6£82
Wed 19/815:50
BIO
-
OPO
Nonstop1h 20m
Vueling
Tue 25/821:05
OPO
-
BIO
1 stop10h 20m
Vueling
Deal found 30/6£85
Thu 10/1219:20
BIO
-
OPO
Nonstop1h 20m
Vueling
Sun 13/1214:35
OPO
-
BIO
1 stop16h 45m
Vueling
Deal found 28/6£89
Wed 15/708:20
BIO
-
OPO
1 stop12h 00m
Multiple Airlines
Sun 19/707:05
OPO
-
BIO
1 stop10h 00m
Multiple Airlines
Deal found 28/6£105

Find 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 1 July 2026.

Round-trip from

£66

One-way from

£47

Popular in

August

Cheapest in

January

Average price

£95
Vueling
  • Vueling
  • 22/8-25/8
  • 1 total stop
  • 11h 40m total
  • Bilbao to Porto
Search Deals
Air Europa
  • Air Europa
  • 10/7
  • 1 total stop
  • 10h 45m total
  • Bilbao to Porto
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 1 July 2026.
Use the filters below to find and compare flights from Bilbao to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 22/8

19:45-20:05

Nonstop1h 20m

Porto

Tue 25/8

21:05-08:25

1 stop10h 20m

£66
Fastest return journey

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 4/9

15:25-15:45

Nonstop1h 20m

Porto

Wed 9/9

16:45-19:00

Nonstop1h 15m

£82

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 29/9

12:45-15:15

1 stop3h 30m

Porto

Wed 30/9

07:35-20:15

1 stop11h 40m

£115

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Wed 15/7

15:50-16:10

Nonstop1h 20m

Porto

Sun 19/7

20:15-22:30

Nonstop1h 15m

£120

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 16/7

08:20-06:50

1 stop23h 30m

Porto

Thu 23/7

20:10-07:35

1 stop10h 25m

£122

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 28/8

12:15-10:00

1 stop22h 45m

Porto

Tue 1/9

18:00-11:40

1 stop16h 40m

£131

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 21/8

12:15-23:00

1 stop11h 45m

Porto

Sun 23/8

21:15-11:40

1 stop13h 25m

£141

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Mon 17/8

21:05-06:50

1 stop10h 45m

Porto

Fri 21/8

20:10-07:35

1 stop10h 25m

£153

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Mon 27/7

21:05-06:50

1 stop10h 45m

Porto

Wed 29/7

20:10-07:35

1 stop10h 25m

£154
Cheapest one-way

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 10/7

21:05-06:50

1 stop10h 45m

£47

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 17 resultsSorted by cheapest first
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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?

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 83 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, January is the cheapest month in which you can book a flight from Bilbao to Porto (average of £59). Flying from Bilbao to Porto in August is currently the most expensive (average of £128). 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 1 July 2026.

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 (89%), Volotea (65%), TAP AIR PORTUGAL (65%).

  • 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, January is the cheapest month in which you can book a flight from Bilbao to Porto (average of £59). Flying from Bilbao to Porto in August is currently the most expensive (average of £128). 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
Santa Maria da Feira
Viseu
Guimarães
Chaves
Coimbra
Vila Nova de Gaia
Aveiro

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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.

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