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$39+ Cheap flights from Bilbao (BIO) to Porto (OPO)

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
1 adult, Economy
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Cheap 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 August 16, 2026.

This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 pm -
Nonstop1h 20m
Sun 10/48:50 pm -
Nonstop1h 20m
Deal found 8/13$74
This Booking.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:05 pm -
Nonstop1h 20m
Sun 10/118:50 pm -
Nonstop1h 20m
Deal found 8/16$79
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:05 pm -
Nonstop1h 20m
Thu 9/246:45 am -
1 stop14h 40m
Deal found 8/13$83
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:05 pm -
Nonstop1h 20m
Wed 9/309:40 pm -
1 stop11h 25m
Deal found 8/16$84
This CheapOair deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:50 pm -
Nonstop1h 20m
Sun 9/138:50 pm -
Nonstop1h 20m
Deal found 8/13$99
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 pm -
Nonstop1h 20m
Sun 10/47:35 am -
1 stop3h 20m
Deal found 8/13$104
This Volotea deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volotea is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:05 pm -
Nonstop1h 20m
Sun 9/278:50 pm -
Nonstop1h 20m
Deal found 8/12$111

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 August 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$74
(Booking.com)

One-way from

$39
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$159

Good one-way deal

$47 or less
Provider with most accurate pricing for Bilbao-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Porto flights.
Search Deals
From Bilbao to Porto
Search Deals
One-way flight from Bilbao to Porto
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Bilbao to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 16, 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 round-trip
Quickest round-trip

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Sun 9/27

7:50 pm-8:10 pm

Nonstop1h 20m

Porto

Sun 10/4

8:50 pm-11:10 pm

Nonstop1h 20m

$113

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Wed 9/9

8:20 am-10:50 am

1 stop3h 30m

Porto

Sun 9/13

7:35 am-11:55 am

1 stop3h 20m

$154

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Thu 12/24

12:10 pm-7:30 am

1 stop20h 20m

Porto

Sat 1/2

5:00 am-11:25 am

1 stop5h 25m

$167

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Tue 9/22

9:05 pm-6:50 am

1 stop10h 45m

Porto

Wed 9/23

8:10 pm-7:35 am

1 stop10h 25m

$182

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Thu 10/1

8:05 pm-8:25 pm

Nonstop1h 20m

Porto

Sun 10/4

8:50 pm-11:10 pm

Nonstop1h 20m

$202

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Fri 8/28

8:20 am-10:50 am

1 stop3h 30m

Porto

Tue 9/1

7:35 am-11:55 am

1 stop3h 20m

$207

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Sun 8/30

9:05 pm-6:50 am

1 stop10h 45m

Porto

Mon 8/31

8:10 pm-7:35 am

1 stop10h 25m

$269

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Thu 8/27

8:20 am-6:20 pm

2 stops11h 00m

Porto

Sat 8/29

5:00 am-4:30 pm

1 stop10h 30m

$369

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Sun 8/30

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

Wed 9/2

10:00 pm-8:15 am

1 stop9h 15m

$457

BilbaoPorto

BIO Bilbao - OPO Porto

BIOOPO

Bilbao

Fri 11/20

12:45 pm-10:30 pm

2 stops10h 45m

Porto

Mon 11/23

5:00 am-4:00 pm

2 stops10h 00m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 20 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Bilbao-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bilbao-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from Bilbao to Porto, you should look to book at least 83 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.

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 $78). Flying from Bilbao to Porto in August is currently the most expensive (average of $159). 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 August 16, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bilbao to Porto as you normally would.

How much does it cost to fly round-trip from Bilbao to Porto?

Airfare is below average for this route at the moment.

Bilbao to Porto flights typically cost between $123 and $200 in October.
The cheapest round-trip price found within the last 5 days was $74 on Volotea (Oct 1-Oct 4).

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 3h 30m. Airlines will cover a distance of 327 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $27. Users have also found prices from $32 and $65 on Volotea and Iberia, respectively.

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

    Before booking your flight to Porto from Bilbao, check out the most reliable airlines to get you to your destination on time: Vueling (86%), Volotea (67%), TAP AIR PORTUGAL( 67%).

  • What are the cheapest flights from Bilbao to Porto?

    The cheapest flight price from Bilbao to Porto is $27. On average you can expect to pay $88. The most popular route, (Bilbao - Porto), can usually be booked for $408.

  • 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 vacation 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 $78). Flying from Bilbao to Porto in August is currently the most expensive (average of $159). 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

Traveling to a place near Porto?

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Coimbra
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