$34+ Cheap flights from Porto (OPO) to Bilbao (BIO)
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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BIO
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from Porto to Bilbao 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 Porto to Bilbao
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Best
Last-minute
One-way
Cheapest flights from Porto to BilbaoExplore the most affordable flight options available from Porto to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Porto to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This Booking.com deal was found by Cheapflights users on 9/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:45 pm -
Nonstop1h 15m
Tue 11/247:50 pm -
Nonstop1h 20m
Deal found 9/27![Vueling logo]()
$45
This Super.com deal was found by Cheapflights users on 9/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:55 pm -
Nonstop1h 15m
Sun 10/258:00 pm -
Nonstop1h 20m
Deal found 9/25![Volotea logo]()
$47
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
Nonstop1h 15m
Sun 11/18:00 pm -
Nonstop1h 20m
Deal found 9/28![Volotea logo]()
$52
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 pm -
Nonstop1h 15m
Sun 10/258:00 pm -
Nonstop1h 20m
Deal found 9/28![Multiple Airlines logo]()
$60
This Booking.com deal was found by Cheapflights users on 9/26. 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 11/108:45 pm -
Nonstop1h 15m
Tue 11/177:50 pm -
Nonstop1h 20m
Deal found 9/26![Vueling logo]()
$68
This Booking.com deal was found by Cheapflights users on 9/29. 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 10/278:45 pm -
Nonstop1h 15m
Tue 11/37:50 pm -
Nonstop1h 20m
Deal found 9/29![Vueling logo]()
$69
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
Nonstop1h 15m
Sun 11/17:15 am -
1 stop14h 00m
Deal found 9/28![Multiple Airlines logo]()
$82
This Vueling Global deal was found by Cheapflights users on 9/27. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:00 pm -
1 stop9h 15m
Thu 10/227:45 pm -
Nonstop1h 20m
Deal found 9/27![Vueling logo]()
$97
This Volotea deal was found by Cheapflights users on 9/29. 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 10/88:55 pm -
Nonstop1h 15m
Thu 10/158:05 pm -
Nonstop1h 20m
Deal found 9/29![Volotea logo]()
$101
Best flights from Porto to BilbaoDiscover carefully curated flight deals from Porto to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Porto to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Volotea deal was found by Cheapflights users on 9/25. 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 2/188:55 pm -
Nonstop1h 15m
Sun 2/218:00 pm -
Nonstop1h 20m
Deal found 9/25![Volotea logo]()
$55
This Vueling Global deal was found by Cheapflights users on 9/27. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:00 pm -
1 stop9h 15m
Thu 10/227:45 pm -
Nonstop1h 20m
Deal found 9/27![Vueling logo]()
$97
This Air Europa deal was found by Cheapflights users on 9/29. 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 2/187:35 am -
1 stop3h 10m
Sun 2/2112:45 pm -
1 stop3h 30m
Deal found 9/29![Air Europa logo]()
$152
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/25. 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 10/225:05 am -
1 stop5h 25m
Sun 10/258:00 pm -
Nonstop1h 20m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$160
This Mytrip deal was found by Cheapflights users on 9/25. 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 10/225:05 am -
1 stop5h 25m
Sun 10/257:00 am -
2 stops12h 50m
Deal found 9/25![Multiple Airlines logo]()
$182
This Air Europa deal was found by Cheapflights users on 9/30. 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.
Sat 10/247:35 am -
1 stop3h 20m
Tue 10/279:05 pm -
1 stop10h 40m
Deal found 9/30![Air Europa logo]()
$169
This Air Europa deal was found by Cheapflights users on 9/29. 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.
Tue 10/207:35 am -
1 stop3h 20m
Thu 10/224:50 pm -
1 stop15h 00m
Deal found 9/29![Air Europa logo]()
$187
This Air Europa deal was found by Cheapflights users on 9/28. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 am -
1 stop3h 20m
Sun 10/188:20 am -
1 stop3h 30m
Deal found 9/28![Air Europa logo]()
$187
This Air Europa deal was found by Cheapflights users on 9/29. 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.
Tue 10/137:35 am -
1 stop3h 20m
Wed 10/149:05 pm -
1 stop10h 45m
Deal found 9/29![Air Europa logo]()
$197
This ITA Airways deal was found by Cheapflights users on 9/26. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:40 am -
2 stops8h 15m
Tue 10/202:05 pm -
2 stops10h 20m
Deal found 9/26![Multiple Airlines logo]()
$450
Last-minute flights from Porto to BilbaoDiscover last-minute flight deals from Porto to Bilbao. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Porto to Bilbao. Data last updated September 30, 2026 and is based on user searches.
This Volotea deal was found by Cheapflights users on 9/29. 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 10/88:55 pm -
Nonstop1h 15m
Thu 10/158:05 pm -
Nonstop1h 20m
Deal found 9/29![Volotea logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Sun 10/117:35 am -
1 stop3h 20m
Wed 10/146:20 pm -
Nonstop1h 20m
Deal found 9/29![Multiple Airlines logo]()
$110
This Vueling Global deal was found by Cheapflights users on 9/27. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:00 pm -
1 stop9h 15m
Thu 10/227:45 pm -
Nonstop1h 20m
Deal found 9/27![Vueling logo]()
$97
This Super.com deal was found by Cheapflights users on 9/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:55 pm -
Nonstop1h 15m
Sun 10/258:00 pm -
Nonstop1h 20m
Deal found 9/25![Volotea logo]()
$47
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 pm -
Nonstop1h 15m
Sun 10/258:00 pm -
Nonstop1h 20m
Deal found 9/28![Multiple Airlines logo]()
$60
This Booking.com deal was found by Cheapflights users on 9/29. 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 10/278:45 pm -
Nonstop1h 15m
Tue 11/37:50 pm -
Nonstop1h 20m
Deal found 9/29![Vueling logo]()
$69
This Booking.com deal was found by Cheapflights users on 9/29. 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 10/278:45 pm -
Nonstop1h 15m
Tue 11/36:40 pm -
1 stop17h 20m
Deal found 9/29![Multiple Airlines logo]()
$106
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
Nonstop1h 15m
Sun 11/18:00 pm -
Nonstop1h 20m
Deal found 9/28![Volotea logo]()
$52
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
Nonstop1h 15m
Sun 11/17:15 am -
1 stop14h 00m
Deal found 9/28![Multiple Airlines logo]()
$82
One-way flights from Porto to BilbaoSearch for one-way flight options from Porto to Bilbao. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Porto to Bilbao. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This OneTravel deal was found by Cheapflights users on 9/29. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:55 pm -
Nonstop1h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Volotea logo]()
$34
This OneTravel deal was found by Cheapflights users on 9/26. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:45 pm -
Nonstop1h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Vueling logo]()
$41
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Mon 11/167:55 pm -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Wizz Air logo]()
$51
This Mytrip deal was found by Cheapflights users on 9/26. 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 11/246:55 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/287:55 pm -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Wizz Air logo]()
$54
This Vueling Global deal was found by Cheapflights users on 9/27. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:55 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Vueling logo]()
$57
This Mytrip deal was found by Cheapflights users on 9/29. 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 11/197:05 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 am -
1 stop26h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$60
This Mytrip deal was found by Cheapflights users on 9/29. 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 11/176:55 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$62
This Mytrip deal was found by Cheapflights users on 9/29. 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 11/227:30 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$63
This Booking.com deal was found by Cheapflights users on 9/29. 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.
Wed 11/186:25 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$64
This OneTravel deal was found by Cheapflights users on 9/26. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:25 pm -
Nonstop1h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Vueling logo]()
$67
Find flight deals from Porto to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Bilbao (BIO). 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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $45 (Booking.com) |
One-way from | $34 (OneTravel) |
Popular in | July |
Cheapest in | May |
Average price | $89 |
Good one-way deal | $33 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Porto to Bilbao 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 30, 2026.
Use the filters below to find and compare flights from Porto to Bilbao that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Tue 11/24
8:45 pm-11:00 pm
Nonstop1h 15m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$41
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Mon 11/16
7:55 pm-4:00 pm
1 stop19h 05m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$51
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Fri 11/20
7:55 pm-4:00 pm
1 stop19h 05m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$51
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Mon 11/23
7:55 pm-6:40 pm
1 stop21h 45m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$54
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Wed 10/28
7:55 pm-4:00 pm
1 stop19h 05m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$54
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Thu 2/18
8:55 pm-11:10 pm
Nonstop1h 15m
Bilbao
Sun 2/21
8:00 pm-8:20 pm
Nonstop1h 20m
$55
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Fri 12/18
9:55 pm-8:20 am
1 stop9h 25m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$57
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Wed 11/18
6:25 am-4:00 pm
2 stops8h 35m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$64
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Thu 10/22
7:35 am-11:55 am
1 stop3h 20m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
PortoBilbao
OPO Porto - BIO Bilbao
OPOBIO
Porto
Sun 1/3
8:15 pm-2:30 pm
1 stop17h 15m
Bilbao
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$80
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Porto to Bilbao
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 Porto to Bilbao in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Porto-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Bilbao flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto-Bilbao 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 Porto-Bilbao 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 Porto to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from Porto with our price prediction graph.
OPO-BIO
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 Porto to Bilbao
Prices
Delays
How far ahead should I book a flight from Porto to Bilbao?
To ensure you get the cheapest price possible for a flight from Porto to Bilbao, 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 Porto to Bilbao?
Currently, May is the cheapest month in which you can book a flight from Porto to Bilbao (average of $49). Flying from Porto to Bilbao in July is currently the most expensive (average of $146). 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 OPO to BIO?
Find hourly flight availability from Porto to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Bilbao as you normally would.
How often are flights from Porto to Bilbao delayed?
About 11% of weekly flights between Porto and Bilbao have experienced delays in the past year, with the average delay time being 98 minutes.
What is the most punctual flight time for Porto to Bilbao 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 Porto to Bilbao flights?
Over the last year, Volotea have had the lowest number of delays on this route, with just 10% of flights being delayed.
Reviews of airlines servicing Bilbao
Get insights into the airlines that provide service to Bilbao. 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 Bilbao. Reviews last updated September 30, 2026.
Read through reviews of airlines operating flights from Porto to Bilbao, such as Vueling. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.2
Entertainment
5.9
Food
6.2
Crew
7.7
Overall
7.2
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentLuis Alfonso,Feb 2026
BCN - ALC
Boarding
7.2
Entertainment
5.9
Food
6.2
Crew
7.7
Overall
7.2
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentLuis Alfonso,Feb 2026
BCN - ALC
Related info for your journey
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Top airline flying from Porto to Bilbao
Discover the top airline that operate flights from Porto to Bilbao. 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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$142 | FlexibilityNo cancel fee | On-time88% |