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$45+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Bilbao to Porto are usually found in February or March, booked 60 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 agosto 14, 2025.

Round-trip from

$95
(Kiwi.com)

One-way from

$45
(Vueling)

Popular in

August

Cheapest in

February

Average price

$174

Good round-trip deal

$78 or less

Good one-way deal

$72 or less
From Bilbao to Porto
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One-way flight from Bilbao to Porto
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Highest demand for flights based on searches. 20% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Bilbao to Porto.
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Price to beat on a one-way flight from Bilbao to Porto.
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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 agosto 14, 2025.

This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/143:45 pmBIO - OPO
1 stop6h 35mVueling
sáb. 10/183:50 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 8/13$95
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.
jue. 9/258:05 pmBIO - OPO
Nonstop1h 20mVolotea
dom. 9/288:50 pmOPO - BIO
Nonstop1h 15mVolotea
Deal found 8/13$107
This Vueling deal was found by Cheapflights users on 8/14. 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 Vueling is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/65:55 pmBIO - OPO
1 stop4h 20mVueling
sáb. 12/138:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 8/14$108
This Vueling 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 Vueling is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/272:55 pmBIO - OPO
Nonstop1h 20mVueling
sáb. 10/43:50 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 8/13$112
This Vueling 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 Vueling is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:15 pmBIO - OPO
Nonstop1h 20mVueling
mar. 10/78:15 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 8/13$115
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.
jue. 9/258:05 pmBIO - OPO
Nonstop1h 20mMultiple Airlines
dom. 9/287:35 amOPO - BIO
1 stop23h 00mMultiple Airlines
Deal found 8/13$116
This Mytrip deal was found by Cheapflights users on 8/14. 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.
dom. 9/288:20 amBIO - OPO
1 stop3h 30mMultiple Airlines
dom. 10/58:50 pmOPO - BIO
Nonstop1h 15mMultiple Airlines
Deal found 8/14$119
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/146:50 pmBIO - OPO
1 stop14h 10mTAP AIR PORTUGAL
sáb. 10/1811:00 amOPO - BIO
1 stop5h 35mTAP AIR PORTUGAL
Deal found 8/13$122
This Volotea deal was found by Cheapflights users on 8/14. 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.
dom. 9/287:50 pmBIO - OPO
Nonstop1h 20mVolotea
dom. 10/58:50 pmOPO - BIO
Nonstop1h 15mVolotea
Deal found 8/14$124
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/46:35 pmBIO - OPO
1 stop5h 20mTAP AIR PORTUGAL
mar. 10/710:30 pmOPO - BIO
1 stop12h 10mTAP AIR PORTUGAL
Deal found 8/14$133

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 agosto 14, 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

mar. 10/14

3:45 pm-9:20 pm

1 stop6h 35m

Porto

sáb. 10/18

3:50 pm-6:05 pm

Nonstop1h 15m

$95

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

jue. 9/25

8:05 pm-8:25 pm

Nonstop1h 20m

Porto

dom. 9/28

8:50 pm-11:05 pm

Nonstop1h 15m

$107

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

sáb. 12/6

5:55 pm-9:15 pm

1 stop4h 20m

Porto

sáb. 12/13

8:05 pm-10:20 pm

Nonstop1h 15m

$108

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

sáb. 9/27

2:55 pm-3:15 pm

Nonstop1h 20m

Porto

sáb. 10/4

3:50 pm-6:05 pm

Nonstop1h 15m

$112

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

mar. 9/30

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

mar. 10/7

8:15 pm-10:30 pm

Nonstop1h 15m

$115

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

jue. 9/25

8:05 pm-8:25 pm

Nonstop1h 20m

Porto

dom. 9/28

7:35 am-7:35 am

1 stop23h 00m

$116

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

dom. 9/28

8:20 am-10:50 am

1 stop3h 30m

Porto

dom. 10/5

8:50 pm-11:05 pm

Nonstop1h 15m

$119

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

mar. 10/14

6:50 pm-8:00 am

1 stop14h 10m

Porto

sáb. 10/18

11:00 am-5:35 pm

1 stop5h 35m

$122

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

dom. 9/28

7:50 pm-8:10 pm

Nonstop1h 20m

Porto

dom. 10/5

8:50 pm-11:05 pm

Nonstop1h 15m

$124

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

jue. 10/23

8:05 pm-8:25 pm

Nonstop1h 20m

Porto

dom. 10/26

8:55 pm-11:10 pm

Nonstop1h 15m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 22 results
1
2
3

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?

Use this chart to determine the optimal time to book a round-trip flight from Bilbao to Porto. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Bilbao to Porto, you should look to book at least 60 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 $523). Flying from Bilbao to Porto in June is currently the most expensive (average of $1,029). 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 agosto 14, 2025.

It’s typically best to fly out from Bilbao to Porto in the afternoon. Doing so could potentially save you 60% on the flight price compared to flying in the morning, which is usually more expensive.

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 agosto 14, 2025.
See what other customers who have flown with Vueling from Bilbao to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vueling
7.1
Good
1,180 reviews

Crew

7.7

Boarding

7.1

Food

6.1

Overall

7.1

Entertainment

5.8

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Vueling
7.1
Good
1,180 reviews
Vueling
7.1
Good
1,180 reviews

Crew

7.7

Boarding

7.1

Food

6.1

Overall

7.1

Entertainment

5.8

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

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 is the cheapest airline to fly from Bilbao to Porto round-trip?

    According to our current data, Vueling ($51), offers the cheapest pricing from Bilbao to Porto. Users have found that Vueling is 54% cheaper than the other options available to this destination.

  • 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: Volotea (89%), TAP AIR PORTUGAL (89%), Vueling( 70%).

  • What are the cheapest flights from Bilbao to Porto?

    The cheapest flight price from Bilbao to Porto is $65. On average you can expect to pay $79. The most popular route, (Bilbao - Porto), can usually be booked for $288.

  • 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 $523). Flying from Bilbao to Porto in June is currently the most expensive (average of $1,029). 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?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Bilbao to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Bilbao to Lisbon flights

Top airline flying from Bilbao to Porto

Discover the top airline that operate flights from Bilbao to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$51Average$82FlexibilityNo cancel feeOn-time88%

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