HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$28+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Bilbao to Porto are usually found in February or March, booked 84 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$70
(Vueling)

One-way from

$28
(Volotea)

Popular in

August

Cheapest in

February

Average price

$110

Good one-way deal

$29 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. 18% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a one-way flight from Bilbao to Porto.
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 November 12, 2025.

This Vueling deal was found by Cheapflights users on 11/11. 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.
Tue 12/97:15 pmBIO - OPO
Nonstop1h 15mVueling
Tue 12/168:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 11/11$70
This Vueling deal was found by Cheapflights users on 11/10. 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.
Tue 11/257:15 pmBIO - OPO
Nonstop1h 15mVueling
Tue 12/28:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 11/10$77
This Vueling deal was found by Cheapflights users on 11/12. 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 Vueling is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:15 pmBIO - OPO
Nonstop1h 15mVueling
Tue 12/28:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 11/12$101
This Vueling deal was found by Cheapflights users on 11/11. 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.
Thu 11/137:15 pmBIO - OPO
Nonstop1h 15mVueling
Sat 11/158:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 11/11$108
This Vueling deal was found by Cheapflights users on 11/12. 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 Vueling is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:15 pmBIO - OPO
Nonstop1h 15mVueling
Sat 12/68:05 pmOPO - BIO
Nonstop1h 15mVueling
Deal found 11/12$109
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/10. 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 12/26:40 pmBIO - OPO
1 stop4h 20mTAP AIR PORTUGAL
Tue 12/94:00 pmOPO - BIO
1 stop18h 25mTAP AIR PORTUGAL
Deal found 11/10$143
This FlightHub deal was found by Cheapflights users on 11/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:05 pmBIO - OPO
1 stop10h 45mAir Europa
Mon 11/248:10 pmOPO - BIO
1 stop10h 30mAir Europa
Deal found 11/11$152
This Volotea deal was found by Cheapflights users on 11/10. 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 12/47:55 pmBIO - OPO
Nonstop1h 20mVolotea
Sun 12/78:55 pmOPO - BIO
Nonstop1h 15mVolotea
Deal found 11/10$155
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/10. 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.
Thu 11/1312:10 pmBIO - OPO
1 stop6h 50mTAP AIR PORTUGAL
Tue 11/182:00 pmOPO - BIO
1 stop20h 25mTAP AIR PORTUGAL
Deal found 11/10$168
This Air Europa deal was found by Cheapflights users on 11/11. 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.
Thu 11/279:05 pmBIO - OPO
1 stop10h 45mAir Europa
Wed 12/37:35 amOPO - BIO
1 stop3h 25mAir Europa
Deal found 11/11$169
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:15 pmBIO - OPO
Nonstop1h 15mMultiple Airlines
Sat 1/37:35 amOPO - BIO
1 stop3h 10mMultiple Airlines
Deal found 11/12$176
This Air Europa deal was found by Cheapflights users on 11/10. 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 11/149:05 pmBIO - OPO
1 stop23h 15mAir Europa
Mon 11/178:10 pmOPO - BIO
1 stop10h 30mAir Europa
Deal found 11/10$177

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 November 12, 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

Thu 2/26

7:15 pm-7:30 pm

Nonstop1h 15m

Porto

Sat 2/28

8:05 pm-10:20 pm

Nonstop1h 15m

$67

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 3/31

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

Fri 4/3

4:25 pm-6:40 pm

Nonstop1h 15m

$70

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 4/14

7:15 pm-7:35 pm

Nonstop1h 20m

Porto

Fri 4/17

4:25 pm-6:40 pm

Nonstop1h 15m

$77

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 12/2

7:15 pm-7:30 pm

Nonstop1h 15m

Porto

Sat 12/6

8:05 pm-10:20 pm

Nonstop1h 15m

$109

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 12/2

6:40 pm-10:00 pm

1 stop4h 20m

Porto

Tue 12/9

4:00 pm-11:25 am

1 stop18h 25m

$143

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 2/3

12:35 pm-7:20 pm

1 stop7h 45m

Porto

Sat 2/7

8:10 pm-7:40 am

1 stop10h 30m

$152

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 3/10

12:35 pm-3:15 pm

1 stop3h 40m

Porto

Thu 3/12

7:35 am-11:45 am

1 stop3h 10m

$152

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 12/4

7:55 pm-8:15 pm

Nonstop1h 20m

Porto

Sun 12/7

8:55 pm-11:10 pm

Nonstop1h 15m

$155

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 12/27

7:15 pm-7:30 pm

Nonstop1h 15m

Porto

Sat 1/3

7:35 am-11:45 am

1 stop3h 10m

$176

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 12/18

7:55 pm-8:15 pm

Nonstop1h 20m

$28

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 17 results
1
2

Compare providers for flights from Bilbao to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bilbao to Porto in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bilbao-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Bilbao to Porto. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Bilbao to Porto, you should look to book at least 84 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, March is the cheapest month in which you can book a flight from Bilbao to Porto (average of $30). Flying from Bilbao to Porto in August is currently the most expensive (average of $102). 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 November 12, 2025.

It’s typically best to fly out from Bilbao to Porto in the evening. Doing so could potentially save you 65% on the flight price compared to flying at noon, 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 November 12, 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
1,208 reviews

Comfort

6.8

Food

6.1

Overall

7.1

Entertainment

5.8

Boarding

7.1

Crew

7.7

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
1,208 reviews
Vueling
7.1
Good
1,208 reviews

Comfort

6.8

Food

6.1

Overall

7.1

Entertainment

5.8

Boarding

7.1

Crew

7.7

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.

  • How long is the flight from Bilbao to Porto?

    Departing from Bilbao to Porto will take you 1h 15m. Airlines will cover a distance of 327 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Vueling ($71), offers the cheapest pricing from Bilbao to Porto. Users have found that Vueling is 36% 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 (88%), TAP AIR PORTUGAL (88%), Iberia( 88%).

  • What are the cheapest flights from Bilbao to Porto?

    The cheapest flight price from Bilbao to Porto is $29. On average you can expect to pay $112. The most popular route, (Bilbao - Porto), can usually be booked for $158.

  • 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, March is the cheapest month in which you can book a flight from Bilbao to Porto (average of $30). Flying from Bilbao to Porto in August is currently the most expensive (average of $102). 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
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$71Average$82FlexibilityNo cancel feeOn-time88%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.