$20+ Cheap flights from Bilbao (BIO) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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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.Cheap flight deals from Bilbao to Porto
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Best
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One-way
Cheapest flights from Bilbao to PortoExplore 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 September 6, 2026.
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 September 6, 2026.
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/223:00 pm -
1 stop9h 40m
Tue 10/278:45 pm -
Nonstop1h 15m
Deal found 9/3![Multiple Airlines logo]()
$77
This Vueling deal was found by Cheapflights users on 9/5. 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 10/67:15 pm -
Nonstop1h 20m
Thu 10/88:40 pm -
Nonstop1h 15m
Deal found 9/5![Vueling logo]()
$85
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/187:50 pm -
Nonstop1h 20m
Sun 10/257:35 am -
1 stop3h 25m
Deal found 9/3![Multiple Airlines logo]()
$88
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/239:05 pm -
1 stop10h 45m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/4![Multiple Airlines logo]()
$92
This Air Europa deal was found by Cheapflights users on 9/2. 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.
Sat 10/179:05 pm -
1 stop10h 45m
Sat 10/247:35 am -
1 stop3h 20m
Deal found 9/2![Air Europa logo]()
$96
This Booking.com deal was found by Cheapflights users on 9/5. 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 10/203:10 pm -
2 stops9h 45m
Tue 10/278:45 pm -
Nonstop1h 15m
Deal found 9/5![Multiple Airlines logo]()
$98
This Mytrip deal was found by Cheapflights users on 9/6. 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 10/219:05 pm -
1 stop10h 45m
Wed 10/287:35 am -
1 stop3h 15m
Deal found 9/6![Air Europa logo]()
$102
This Volotea deal was found by Cheapflights users on 9/3. 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 9/207:50 pm -
Nonstop1h 20m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/3![Volotea logo]()
$106
This Volotea deal was found by Cheapflights users on 9/4. 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 9/178:05 pm -
Nonstop1h 20m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/4![Volotea logo]()
$108
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Fri 10/29:05 pm -
1 stop10h 45m
Tue 10/68:15 pm -
Nonstop1h 15m
Deal found 9/3![Multiple Airlines logo]()
$113
Best flights from Bilbao to PortoDiscover carefully curated flight deals from Bilbao to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Bilbao to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This Air Europa deal was found by Cheapflights users on 9/2. 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.
Sat 10/179:05 pm -
1 stop10h 45m
Sat 10/247:35 am -
1 stop3h 20m
Deal found 9/2![Air Europa logo]()
$96
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/2. 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 10/18:05 pm -
Nonstop1h 20m
Sun 10/48:50 pm -
Nonstop1h 20m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$203
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:05 pm -
1 stop10h 45m
Tue 9/298:10 pm -
1 stop10h 25m
Deal found 9/1![Air Europa logo]()
$112
This Air Europa deal was found by Cheapflights users on 9/6. 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 10/158:20 am -
1 stop23h 30m
Wed 10/218:10 pm -
1 stop18h 45m
Deal found 9/6![Air Europa logo]()
$165
This KLM deal was found by Cheapflights users on 9/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:50 am -
1 stop9h 35m
Sat 1/25:00 am -
2 stops14h 05m
Deal found 9/6![KLM logo]()
$407
This Air Europa deal was found by Cheapflights users on 9/3. 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 12/48:30 am -
1 stop3h 20m
Tue 12/87:35 am -
1 stop3h 10m
Deal found 9/3![Air Europa logo]()
$207
Last-minute flights from Bilbao to PortoDiscover last-minute flight deals from Bilbao to Porto. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Porto. Data last updated September 6, 2026 and is based on user searches.
This Volotea deal was found by Cheapflights users on 9/4. 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 9/178:05 pm -
Nonstop1h 20m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/4![Volotea logo]()
$108
This Volotea deal was found by Cheapflights users on 9/3. 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 9/207:50 pm -
Nonstop1h 20m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/3![Volotea logo]()
$106
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/239:05 pm -
1 stop10h 45m
Thu 9/248:55 pm -
Nonstop1h 15m
Deal found 9/4![Multiple Airlines logo]()
$92
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Fri 10/29:05 pm -
1 stop10h 45m
Tue 10/68:15 pm -
Nonstop1h 15m
Deal found 9/3![Multiple Airlines logo]()
$113
This Vueling deal was found by Cheapflights users on 9/5. 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 10/67:15 pm -
Nonstop1h 20m
Thu 10/88:40 pm -
Nonstop1h 15m
Deal found 9/5![Vueling logo]()
$85
This Air Europa deal was found by Cheapflights users on 9/3. 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.
Sat 10/179:05 pm -
1 stop10h 45m
Sat 10/247:35 am -
1 stop3h 20m
Deal found 9/3![Air Europa logo]()
$96
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/187:50 pm -
Nonstop1h 20m
Sun 10/257:35 am -
1 stop3h 25m
Deal found 9/3![Multiple Airlines logo]()
$88
This Booking.com deal was found by Cheapflights users on 9/5. 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 10/203:10 pm -
2 stops9h 45m
Tue 10/278:45 pm -
Nonstop1h 15m
Deal found 9/5![Multiple Airlines logo]()
$98
This Mytrip deal was found by Cheapflights users on 9/6. 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 10/219:05 pm -
1 stop10h 45m
Wed 10/287:35 am -
1 stop3h 15m
Deal found 9/6![Air Europa logo]()
$102
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/223:00 pm -
1 stop9h 40m
Tue 10/278:45 pm -
Nonstop1h 15m
Deal found 9/3![Multiple Airlines logo]()
$77
One-way flights from Bilbao to PortoSearch for one-way flight options from Bilbao to Porto. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Bilbao to Porto. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Booking.com deal was found by Cheapflights users on 9/4. 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.
Sun 12/138:00 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Volotea logo]()
$20
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 1/307:10 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Vueling logo]()
$24
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/117:50 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Volotea logo]()
$25
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Thu 10/18:05 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Volotea logo]()
$27
This FlightHub deal was found by Cheapflights users on 9/3. 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.
Thu 10/17:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Vueling logo]()
$37
This Trip.com deal was found by Cheapflights users on 9/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:05 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Europa logo]()
$43
This Air Europa deal was found by Cheapflights users on 9/5. 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.
Mon 12/144:50 pm -
1 stop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Europa logo]()
$45
This Air Europa deal was found by Cheapflights users on 9/5. 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.
Wed 9/309:05 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Europa logo]()
$46
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:20 am -
1 stop23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Europa logo]()
$52
This Mytrip deal was found by Cheapflights users on 9/6. 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 9/233:05 pm -
1 stop9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$55
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $77 (Mytrip) |
One-way from | $20 (Booking.com) |
Popular in | August |
Cheapest in | January |
Average price | $109 |
Good one-way deal | $49 or less |
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 7,457,451 searches. Data last updated September 6, 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
Cheapest round-trip
Quickest round-trip
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 10/1
8:05 pm-8:25 pm
Nonstop1h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$28
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sat 10/3
9:05 pm-6:50 am
1 stop10h 45m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$43
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Mon 12/14
4:50 pm-7:20 pm
1 stop3h 30m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$45
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 12/13
9:05 pm-3:15 pm
1 stop19h 10m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$52
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 10/25
8:30 am-10:50 am
1 stop3h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$67
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 10/1
9:05 pm-6:50 am
1 stop10h 45m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sat 10/17
9:05 pm-6:50 am
1 stop10h 45m
Porto
Sat 10/24
7:35 am-11:55 am
1 stop3h 20m
$96
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Mon 9/28
9:05 pm-6:50 am
1 stop10h 45m
Porto
Tue 9/29
8:10 pm-7:35 am
1 stop10h 25m
$112
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 10/15
8:20 am-6:50 am
1 stop23h 30m
Porto
Wed 10/21
8:10 pm-3:55 pm
1 stop18h 45m
$165
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
$203
Showing 1-10 of 12 resultsSorted by cheapest first
- 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.
BIO-OPO
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
Prices
Delays
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 September 6, 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 often are flights from Bilbao to Porto delayed?
About 12% of weekly flights between Bilbao and Porto have experienced delays in the past year, with the average delay time being 102 minutes.
What is the most punctual flight time for Bilbao to Porto flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Bilbao to Porto flights?
Over the last year, Vueling have had the lowest number of delays on this route, with just 12% of flights being delayed.
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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