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$27+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$121
(TAP AIR PORTUGAL)

One-way from

$27
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$151

Good round-trip deal

$78 or less

Good one-way deal

$53 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. 4% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/30. 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.
Tue 9/26:50 pmBIO - OPO
1 stop14h 10mTAP AIR PORTUGAL
Tue 9/911:00 pmOPO - BIO
1 stop11h 40mTAP AIR PORTUGAL
Deal found 6/30$121
This Vueling Global deal was found by Cheapflights users on 7/1. 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 Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:15 pmBIO - OPO
Nonstop1h 20mVueling
Tue 7/229:05 pmOPO - BIO
1 stop10h 20mVueling
Deal found 7/1$143
This Volotea deal was found by Cheapflights users on 6/30. 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 10/238:05 pmBIO - OPO
Nonstop1h 20mVolotea
Sun 10/268:55 pmOPO - BIO
Nonstop1h 15mVolotea
Deal found 6/30$145
This Air Europa deal was found by Cheapflights users on 6/30. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:20 amBIO - OPO
1 stop3h 30mAir Europa
Sun 10/197:35 amOPO - BIO
1 stop3h 20mAir Europa
Deal found 6/30$154
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Sun 8/177:15 pmBIO - OPO
Nonstop1h 20mMultiple Airlines
Tue 8/268:10 pmOPO - BIO
1 stop10h 25mMultiple Airlines
Deal found 6/30$162
This Travelocity deal was found by Cheapflights users on 7/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/195:35 pmBIO - OPO
1 stop15h 00mIberia
Sun 7/2012:20 pmOPO - BIO
1 stop9h 55mIberia
Deal found 7/1$218
This Lufthansa deal was found by Cheapflights users on 6/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:40 amBIO - OPO
1 stop9h 05mLufthansa
Sun 11/306:15 amOPO - BIO
2 stops9h 25mLufthansa
Deal found 6/30$354
This SWISS deal was found by Cheapflights users on 7/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:50 amBIO - OPO
2 stops24h 35mSWISS
Fri 9/267:20 pmOPO - BIO
2 stops21h 30mSWISS
Deal found 7/1$398

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 July 1, 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 9/2

6:50 pm-8:00 am

1 stop14h 10m

Porto

Tue 9/9

11:00 pm-11:40 am

1 stop11h 40m

$121

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 7/15

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

Tue 7/22

9:05 pm-8:25 am

1 stop10h 20m

$143

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 10/23

8:05 pm-8:25 pm

Nonstop1h 20m

Porto

Sun 10/26

8:55 pm-11:10 pm

Nonstop1h 15m

$145

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 10/17

8:20 am-10:50 am

1 stop3h 30m

Porto

Sun 10/19

7:35 am-11:55 am

1 stop3h 20m

$154

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 8/17

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

Tue 8/26

8:10 pm-7:35 am

1 stop10h 25m

$162

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 7/19

5:35 pm-7:35 am

1 stop15h 00m

Porto

Sun 7/20

12:20 pm-11:15 pm

1 stop9h 55m

$218

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 11/28

6:40 am-2:45 pm

1 stop9h 05m

Porto

Sun 11/30

6:15 am-4:40 pm

2 stops9h 25m

$354

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Mon 9/15

11:50 am-11:25 am

2 stops24h 35m

Porto

Fri 9/26

7:20 pm-5:50 pm

2 stops21h 30m

$398

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 9/19

12:00 pm-10:15 pm

1 stop11h 15m

Porto

Sun 9/21

5:00 am-3:55 pm

2 stops9h 55m

$455

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 9/27

8:20 am-10:50 am

1 stop3h 30m

$66

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 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 June 27, 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 $1,033). 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 July 1, 2025.

It’s typically best to fly out from Bilbao to Porto in the afternoon. Doing so could potentially save you 59% on the flight price compared to flying in the morning, which is usually more expensive.

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

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 July 1, 2025.
See what other customers who have flown with SWISS, Volotea, and 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.
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Volotea
7.2
Good
564 reviews
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Vueling
7.1
Good
1,170 reviews
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
TAP AIR PORTUGAL
7.1
Good
1,912 reviews
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Europa
6.9
Okay
540 reviews
SWISS
7.5
Good
1,654 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Comfort

7.4

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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?

    According to our current data, TAP AIR PORTUGAL ($121), Volotea ($145), and Vueling ($149) offers the cheapest pricing from Bilbao to Porto.

  • 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 $64 and $137 on Air Europa and TAP AIR PORTUGAL, 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%), Iberia (80%), Volotea( 78%).

  • What are the cheapest flights from Bilbao to Porto?

    The cheapest flight price from Bilbao to Porto is $50. On average you can expect to pay $94. The most popular route, (Bilbao - Porto), can usually be booked for $94.

  • 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 $1,033). 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 Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

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Alternative routes for Bilbao to Porto

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$51Average$83FlexibilityNo cancel feeOn-time88%

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