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Cheap flights from Bilbao to Porto from £45

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£89

One-way from

£45

Popular in

August

Cheapest in

February

Average price

£111
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 2/9-9/9
  • 2 total stops
  • 25h 50m total
  • Bilbao to Porto
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Vueling
  • Vueling
  • 12/8
  • Nonstop
  • 1h 20m total
  • Bilbao to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 4 July 2025.

Tue 2/918:50BIO - OPO
1 stop14h 10mTAP AIR PORTUGAL
Tue 9/923:00OPO - BIO
1 stop11h 40mTAP AIR PORTUGAL
Deal found 3/7£89
Thu 23/1020:05BIO - OPO
Nonstop1h 20mVolotea
Sun 26/1020:55OPO - BIO
Nonstop1h 15mVolotea
Deal found 3/7£92
Tue 15/719:15BIO - OPO
Nonstop1h 20mVueling
Fri 18/716:25OPO - BIO
Nonstop1h 15mVueling
Deal found 2/7£108
Fri 17/1008:20BIO - OPO
1 stop3h 30mAir Europa
Sun 19/1007:35OPO - BIO
1 stop3h 20mAir Europa
Deal found 3/7£114
Sun 17/819:15BIO - OPO
Nonstop1h 20mMultiple Airlines
Sun 24/820:10OPO - BIO
1 stop10h 25mMultiple Airlines
Deal found 3/7£149
Sat 22/1112:50BIO - OPO
1 stop10h 35mLufthansa
Sat 29/1113:45OPO - BIO
2 stops8h 35mLufthansa
Deal found 2/7£207
Sat 11/1014:10BIO - OPO
2 stops18h 45mSWISS
Thu 16/1019:20OPO - BIO
1 stop17h 15mSWISS
Deal found 2/7£253

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 4 July 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 2/9

18:50-08:00

1 stop14h 10m

Porto

Tue 9/9

23:00-11:40

1 stop11h 40m

£89

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 23/10

20:05-20:25

Nonstop1h 20m

Porto

Sun 26/10

20:55-23:10

Nonstop1h 15m

£92

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 15/7

19:15-19:35

Nonstop1h 20m

Porto

Fri 18/7

16:25-18:40

Nonstop1h 15m

£108

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 17/10

08:20-10:50

1 stop3h 30m

Porto

Sun 19/10

07:35-11:55

1 stop3h 20m

£114

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 17/8

19:15-19:35

Nonstop1h 20m

Porto

Sun 24/8

20:10-07:35

1 stop10h 25m

£149

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 22/11

12:50-22:25

1 stop10h 35m

Porto

Sat 29/11

13:45-23:20

2 stops8h 35m

£207

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 11/10

14:10-07:55

2 stops18h 45m

Porto

Thu 16/10

19:20-13:35

1 stop17h 15m

£253

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 12/8

19:15-19:35

Nonstop1h 20m

£45

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 26/9

21:05-06:50

1 stop10h 45m

£53

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 26/9

15:10-15:30

Nonstop1h 20m

£89

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 15 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 27 June 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 4 July 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.

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 4 July 2025.
Read reviews from past customers who have flown with Austrian Airlines, SWISS, andBrussels Airlines from Bilbao to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
809 reviews
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,654 reviews
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Brussels Airlines
7.3
Good
352 reviews
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Volotea
7.2
Good
564 reviews
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Vueling
7.1
Good
1,170 reviews
Austrian Airlines
7.6
Good
809 reviews
Check prices

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 £89, TAP AIR PORTUGAL will fly you from Bilbao to Porto and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Volotea and Vueling - these airlines can fly you to your destination from £92 and £108, respectively.

  • 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 £45. Users have also found prices from £53 and £89 on Air Europa and Iberia, 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 (88%), TAP AIR PORTUGAL (88%), Vueling (88%).

  • 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
Chaves
Aveiro

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