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Cheap flights from Bilbao to Porto from £37
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OPO
12 Nov — 19 Nov1
Cheap flight deals from Bilbao to Porto
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
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 13 October 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 13 October 2026.
Thu 26/1119:55 -
Nonstop1h 20m
Thu 3/1220:55 -
Nonstop1h 15m
Deal found 12/10£40
Thu 26/1106:45 -
1 stop11h 20m
Thu 3/1220:55 -
Nonstop1h 15m
Deal found 12/10£64
Sun 22/1120:00 -
Nonstop1h 20m
Sun 29/1119:30 -
1 stop11h 20m
Deal found 8/10£65
Sun 13/1220:00 -
Nonstop1h 20m
Thu 17/1220:55 -
Nonstop1h 15m
Deal found 8/10£71
Sat 31/1019:10 -
Nonstop1h 20m
Tue 3/1120:45 -
Nonstop1h 15m
Deal found 12/10£76
Sun 22/1120:00 -
Nonstop1h 20m
Sun 29/1120:55 -
Nonstop1h 15m
Deal found 8/10£79
Sat 31/1019:10 -
Nonstop1h 20m
Tue 3/1107:35 -
1 stop3h 10m
Deal found 12/10£89
Best flights from Bilbao to PortoDiscover carefully curated flight deals from Bilbao to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.
Discover carefully curated flight deals from Bilbao to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.
Sun 13/1220:00 -
Nonstop1h 20m
Thu 17/1220:55 -
Nonstop1h 15m
Deal found 9/10£71
Thu 5/1116:50 -
1 stop3h 30m
Sun 8/1107:35 -
1 stop3h 25m
Deal found 8/10£122
Thu 5/1119:55 -
Nonstop1h 20m
Sun 8/1118:00 -
1 stop23h 35m
Deal found 8/10£166
Mon 14/1208:30 -
1 stop3h 20m
Fri 18/1207:35 -
1 stop11h 30m
Deal found 12/10£133
Fri 20/1108:30 -
2 stops15h 00m
Sun 22/1105:00 -
1 stop10h 30m
Deal found 12/10£298
Thu 24/1212:10 -
1 stop5h 50m
Sat 2/116:00 -
1 stop24h 55m
Deal found 11/10£171
Thu 24/1208:30 -
2 stops15h 00m
Sat 2/105:55 -
1 stop10h 30m
Deal found 10/10£356
Thu 12/1106:50 -
1 stop13h 30m
Sun 15/1105:00 -
2 stops10h 00m
Deal found 10/10£326
Sun 13/1208:30 -
2 stops15h 00m
Wed 16/1205:00 -
2 stops14h 05m
Deal found 8/10£343
Direct flights from Bilbao to PortoExplore direct flight options from Bilbao to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 October 2026.
Explore direct flight options from Bilbao to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 October 2026.
Thu 26/1119:55 -
Nonstop1h 20m
Thu 3/1220:55 -
Nonstop1h 15m
Deal found 12/10£40
Sun 22/1120:00 -
Nonstop1h 20m
Sat 28/1104:05 -
Nonstop1h 15m
Deal found 10/10£70
Sun 13/1220:00 -
Nonstop1h 20m
Thu 17/1220:55 -
Nonstop1h 15m
Deal found 8/10£71
Sat 31/1019:10 -
Nonstop1h 20m
Tue 3/1120:45 -
Nonstop1h 15m
Deal found 12/10£76
Sun 22/1120:00 -
Nonstop1h 20m
Sun 29/1120:55 -
Nonstop1h 15m
Deal found 8/10£79
Thu 5/1119:55 -
Nonstop1h 20m
Sun 8/1120:55 -
Nonstop1h 15m
Deal found 8/10£122
Last-minute flights from Bilbao to PortoDiscover last-minute flight deals from Bilbao to Porto. Data last updated 13 October 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Porto. Data last updated 13 October 2026 and is based on user searches.
Sat 31/1019:10 -
Nonstop1h 20m
Tue 3/1120:45 -
Nonstop1h 15m
Deal found 12/10£76
Sat 31/1019:10 -
Nonstop1h 20m
Tue 3/1107:35 -
1 stop3h 10m
Deal found 12/10£89
Sun 22/1120:00 -
Nonstop1h 20m
Sun 29/1119:30 -
1 stop11h 20m
Deal found 8/10£65
Sun 22/1120:00 -
Nonstop1h 20m
Sun 29/1120:55 -
Nonstop1h 15m
Deal found 8/10£79
Thu 26/1119:55 -
Nonstop1h 20m
Thu 3/1220:55 -
Nonstop1h 15m
Deal found 12/10£40
Thu 26/1106:45 -
1 stop11h 20m
Thu 3/1220:55 -
Nonstop1h 15m
Deal found 12/10£64
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 13 October 2026.
Search for one-way flight options from Bilbao to Porto. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.
Thu 26/1119:55 -
Nonstop1h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£37
Sun 8/1116:50 -
1 stop3h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£50
Wed 18/1116:50 -
1 stop3h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£51
Thu 29/1008:30 -
1 stop23h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£71
Sun 1/1121:05 -
1 stop14h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£83
Sun 1/1109:55 -
2 stops22h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£300
Tue 23/308:30 -
2 stops15h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/10£322
Fri 30/1011:30 -
2 stops33h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10£333
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 13 October 2026.
Cheapflights Fare Finder
Customise 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 13 October 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 return flight
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 8/11
16:50-19:20
1 stop3h 30m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£50
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Wed 20/1
08:30-19:20
1 stop11h 50m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£50
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 29/11
16:50-19:20
1 stop3h 30m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£50
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 15/11
12:45-15:15
1 stop3h 30m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£50
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 29/10
08:30-06:45
1 stop23h 15m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£71
Fastest return journey
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 13/12
20:00-20:20
Nonstop1h 20m
Porto
Thu 17/12
20:55-23:10
Nonstop1h 15m
£71
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Sun 1/11
21:05-10:50
1 stop14h 45m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£83
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 5/11
16:50-19:20
1 stop3h 30m
Porto
Sun 8/11
07:35-12:00
1 stop3h 25m
£122
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Mon 14/12
08:30-10:50
1 stop3h 20m
Porto
Fri 18/12
07:35-20:05
1 stop11h 30m
£133
BilbaoPorto
BIO Bilbao - OPO Porto
BIOOPO
Bilbao
Thu 5/11
19:55-20:15
Nonstop1h 20m
Porto
Sun 8/11
18:00-18:35
1 stop23h 35m
£166
Showing 1-10 of 17 resultsSorted by cheapest first
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 return 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?
The price you pay for your flight from Bilbao to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Bilbao to Porto?
Currently, November is the cheapest month in which you can book a flight from Bilbao to Porto (average of £55). Flying from Bilbao to Porto in August is currently the most expensive (average of £119). 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 13 October 2026.
When flying from Bilbao to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Bilbao to Porto delayed?
About 11% of weekly flights between Bilbao and Porto have experienced delays in the past year, with the average delay time being 105 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 past year, Vueling have had the lowest number of delays on this route, with just 10% 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.
Travelling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsGuimarães
Santa Maria da Feira
Aveiro
Chaves
Coimbra
Viseu
Vila Nova de Gaia
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Complete your trip
Complete your trip to Porto by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Portugal
Book a non-stop flight to one of these other cities located in Portugal.
Search flights from Bilbao to Porto by cabin class
Find flights from Bilbao to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Bilbao and Porto flights
Browse other Bilbao and Porto flight options. Last updated on 13 October 2026.
Other flights from Bilbao
Browse through other flights departing from Bilbao. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Bilbao to Porto?
Cheapflights makes it easy to find Bilbao to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Bilbao to Porto?
Cheapflights simply makes it quick and affordable to book flights from Bilbao to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Bilbao to Porto with no change fees?
Need flexible booking options for your flight to Porto from Bilbao? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Bilbao to Porto become cheaper?
Of course! You can now track prices for flights from Bilbao to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.