HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$35+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 January or October, booked 84 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 April 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/276:20 pm
BIO
-
OPO
Nonstop1h 20m
Vueling
Wed 6/37:20 pm
OPO
-
BIO
Nonstop1h 15m
Vueling
Deal found 4/27$75
This Booking.com deal was found by Cheapflights users on 4/26. 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.
Tue 6/97:15 pm
BIO
-
OPO
Nonstop1h 20m
Vueling
Wed 6/244:45 pm
OPO
-
BIO
Nonstop1h 15m
Vueling
Deal found 4/26$78
This Booking.com deal was found by Cheapflights users on 4/24. 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.
Tue 6/97:15 pm
BIO
-
OPO
Nonstop1h 20m
Vueling
Tue 6/164:50 pm
OPO
-
BIO
1 stop14h 25m
Vueling
Deal found 4/24$84
This Volotea deal was found by Cheapflights users on 4/28. 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.
Sun 6/217:50 pm
BIO
-
OPO
Nonstop1h 20m
Volotea
Thu 6/258:45 pm
OPO
-
BIO
Nonstop1h 25m
Volotea
Deal found 4/28$89
This Mytrip deal was found by Cheapflights users on 4/26. 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.
Tue 6/94:50 pm
BIO
-
OPO
1 stop3h 30m
Multiple Airlines
Wed 6/244:45 pm
OPO
-
BIO
Nonstop1h 15m
Multiple Airlines
Deal found 4/26$91
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Tue 5/197:55 am
BIO
-
OPO
1 stop8h 30m
Multiple Airlines
Tue 5/198:15 pm
OPO
-
BIO
Nonstop1h 15m
Multiple Airlines
Deal found 4/24$92
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Tue 6/1610:10 pm
BIO
-
OPO
2 stops19h 25m
Multiple Airlines
Wed 6/244:45 pm
OPO
-
BIO
Nonstop1h 15m
Multiple Airlines
Deal found 4/27$93
This Booking.com deal was found by Cheapflights users on 4/26. 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 6/47:50 pm
BIO
-
OPO
Nonstop1h 10m
Volotea
Sun 6/78:50 pm
OPO
-
BIO
Nonstop1h 20m
Volotea
Deal found 4/26$94
This Volotea deal was found by Cheapflights users on 4/27. 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 6/187:50 pm
BIO
-
OPO
Nonstop1h 10m
Volotea
Sun 6/218:50 pm
OPO
-
BIO
Nonstop1h 20m
Volotea
Deal found 4/27$99
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Wed 5/276:20 pm
BIO
-
OPO
Nonstop1h 20m
Multiple Airlines
Wed 6/34:05 pm
OPO
-
BIO
1 stop3h 10m
Multiple Airlines
Deal found 4/27$100
This Mytrip deal was found by Cheapflights users on 4/26. 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 6/47:50 pm
BIO
-
OPO
Nonstop1h 10m
Multiple Airlines
Sun 6/77:35 am
OPO
-
BIO
1 stop3h 20m
Multiple Airlines
Deal found 4/26$101

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$75
(Kiwi.com)

One-way from

$35
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$146

Good one-way deal

$46 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. 15% potential increase in price ($20 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 April 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 April 29, 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

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 6/21

7:50 pm-8:10 pm

Nonstop1h 20m

Porto

Thu 6/25

8:45 pm-11:10 pm

Nonstop1h 25m

$89
Quickest round-trip

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 6/11

7:50 pm-8:00 pm

Nonstop1h 10m

Porto

Sun 6/14

8:50 pm-11:10 pm

Nonstop1h 20m

$125

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 5/19

4:50 pm-7:20 pm

1 stop3h 30m

Porto

Wed 5/20

4:05 pm-7:35 am

1 stop14h 30m

$166

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sat 6/6

6:35 pm-10:50 pm

1 stop5h 15m

Porto

Tue 6/9

10:00 am-6:00 pm

1 stop7h 00m

$189

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Tue 8/18

8:20 am-7:20 pm

1 stop12h 00m

Porto

Fri 8/21

8:10 pm-7:35 am

1 stop10h 25m

$192

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Fri 5/29

9:05 pm-6:50 am

1 stop10h 45m

Porto

Sun 5/31

7:35 am-7:35 am

1 stop23h 00m

$201

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 6/4

12:15 pm-7:00 pm

1 stop7h 45m

Porto

Sun 6/7

8:50 pm-11:10 pm

Nonstop1h 20m

$220

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 8/9

8:20 am-7:20 pm

1 stop12h 00m

Porto

Sat 8/15

8:10 pm-7:35 am

1 stop10h 25m

$227

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Thu 6/11

6:45 am-3:30 pm

1 stop9h 45m

Porto

Sun 6/14

5:00 am-4:30 pm

1 stop10h 30m

$295
Cheapest one-way
Quickest one-way

BilbaoPorto

BIO - OPO

BIOOPO

Bilbao

Sun 6/21

7:50 pm-8:10 pm

Nonstop1h 20m

$61

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 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 $180). 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 April 29, 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?

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 April 29, 2026.
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
7.2
Good
1,268 reviews

Boarding

7.2

Crew

7.7

Comfort

6.9

Entertainment

5.9

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Vueling
7.2
Good
1,268 reviews
Vueling
7.2
Good
1,268 reviews

Boarding

7.2

Crew

7.7

Comfort

6.9

Entertainment

5.9

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

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 20m. Airlines will cover a distance of 327 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Vueling ($49), offers the cheapest pricing from Bilbao to Porto. Users have found that Vueling is 58% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Bilbao to Porto one-way?

    For one-way options, check prices for Volotea. According to our data, you can fly for as low as $28. Users have also found prices from $29 and $54 on Vueling and Air Europa, 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: Iberia (100%), Volotea (88%), TAP AIR PORTUGAL( 88%).

  • What are the cheapest flights from Bilbao to Porto?

    The cheapest flight price from Bilbao to Porto is $43. On average you can expect to pay $83. The most popular route, (Bilbao - Porto), can usually be booked for $241.

  • 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 $180). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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.

Complete your trip

Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Porto car rentals
Porto Airport car rentals
Lisbon car rentals
Faro car rentals
Funchal car rentals
Ponta Delgada car rentals
Cedofeita car rentals
Centro / Baixa car rentals

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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$49Average$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.