$27 Cheap Flights from Bilbao (BIO) to Porto (OPO)

View $27 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Porto Airport (OPO)

Cheap Flights from Bilbao to Porto (BIO-OPO)

Prices were available within the past 7 days and start at $27 for one-way flights and $74 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vueling Airlines
Sat, Sep 27 - Sat, Oct 4
BIO
Bilbao
OPO
Porto
$74 Roundtrip, found 11 hours ago
$74
Roundtrip
found 11 hours ago
Select Vueling Airlines flight, departing Sat, Sep 27 from Bilbao to Porto, returning Sat, Oct 4, priced at $74 found 11 hours ago
Air Europa
Sat, Mar 7 - Sat, Mar 14
BIO
Bilbao
OPO
Porto
$102 Roundtrip, found 4 hours ago
$102
Roundtrip
found 4 hours ago
Select Air Europa flight, departing Sat, Mar 7 from Bilbao to Porto, returning Sat, Mar 14, priced at $102 found 4 hours ago
Air Europa
Sat, Sep 27 - Sat, Oct 4
BIO
Bilbao
OPO
Porto
$103 Roundtrip, found 11 hours ago
$103
Roundtrip
found 11 hours ago
Select Air Europa flight, departing Sat, Sep 27 from Bilbao to Porto, returning Sat, Oct 4, priced at $103 found 11 hours ago
Volotea
Sun, Oct 12 - Thu, Oct 16
BIO
Bilbao
OPO
Porto
$105 Roundtrip, found 5 days ago
$105
Roundtrip
found 5 days ago
Select Volotea flight, departing Sun, Oct 12 from Bilbao to Porto, returning Thu, Oct 16, priced at $105 found 5 days ago
Air Europa
Sun, Sep 21 - Thu, Sep 25
BIO
Bilbao
OPO
Porto
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Air Europa flight, departing Sun, Sep 21 from Bilbao to Porto, returning Thu, Sep 25, priced at $107 found 1 day ago
Vueling Airlines
Mon, Mar 2 - Thu, Mar 5
BIO
Bilbao
OPO
Porto
$108 Roundtrip, found 3 days ago
$108
Roundtrip
found 3 days ago
Select Vueling Airlines flight, departing Mon, Mar 2 from Bilbao to Porto, returning Thu, Mar 5, priced at $108 found 3 days ago
Iberia
Sat, Mar 14 - Sat, Mar 21
BIO
Bilbao
OPO
Porto
$109 Roundtrip, found 4 hours ago
$109
Roundtrip
found 4 hours ago
Select Iberia flight, departing Sat, Mar 14 from Bilbao to Porto, returning Sat, Mar 21, priced at $109 found 4 hours ago
Air Europa
Sat, Mar 7 - Sat, Mar 14
BIO
Bilbao
OPO
Porto
$111 Roundtrip, found 4 hours ago
$111
Roundtrip
found 4 hours ago
Select Air Europa flight, departing Sat, Mar 7 from Bilbao to Porto, returning Sat, Mar 14, priced at $111 found 4 hours ago
Air Europa
Mon, Mar 2 - Thu, Mar 5
BIO
Bilbao
OPO
Porto
$111 Roundtrip, found 3 days ago
$111
Roundtrip
found 3 days ago
Select Air Europa flight, departing Mon, Mar 2 from Bilbao to Porto, returning Thu, Mar 5, priced at $111 found 3 days ago
TAP Portugal
Tue, Sep 30 - Sun, Oct 5
BIO
Bilbao
OPO
Porto
$121 Roundtrip, found 14 hours ago
$121
Roundtrip
found 14 hours ago
Select TAP Portugal flight, departing Tue, Sep 30 from Bilbao to Porto, returning Sun, Oct 5, priced at $121 found 14 hours ago

Find the cheapest month to fly from Bilbao (BIO) to Porto (OPO)

November is typically the cheapest month to fly

From $50 - $187 per traveler.

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $135
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $135
0
Flights from Bilbao (BIO) to Porto (OPO)
Origin airport
Bilbao
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Europa, Air France, Brussels Airlines, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Volotea, Vueling Airlines
Roundtrip price
$74
Distance
327 mi

Bilbao to Porto Flights

The cheapest times to fly from Bilbao to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bilbao to Porto are during the month of September. You can find some of the cheapest flights from Bilbao to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bilbao to Porto

Sunday is one of the best days to book for cheap flights from Bilbao to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bilbao to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bilbao to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $27 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bilbao to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bilbao to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Snag a cheap one-way flight from $27 or cheap return flight from $74 from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Planning your getaway for September is a good way to save, as it's the cheapest month for flights between BIO and OPO. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Board a nonstop flight with Vueling and fly straight from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO).
What is the cheapest airline that flies from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To find the cheapest airline flying from BIO to OPO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
On average, Bilbao Airport (BIO) has 2 nonstop flights to Dr. Francisco de Sa Carneiro Airport (OPO) per week. For more options, take advantage of Expedia's filters to look for flights with one or two stops. Squeeze in a quick visit to another destination or simply break up your journey.
What are the most popular departure times for flights from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
More travelers fly between BIO and OPO at 7 PM than at any other time. Prefer a quieter experience? Pick a flight outside the busiest times and you're likely to save on your ticket as well.
What day of the week has the most flights from BIO to OPO?
Thursday has the most flights from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Take the earliest flight at around 7:00PM UTC+1, departing from Bilbao Airport (BIO). You'll be flying for approximately 1h 20m, reaching Dr. Francisco de Sa Carneiro Airport (OPO) at approximately 7:20PM UTC+0.
How long does it take to fly from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Flights from BIO to OPO have an average travel time of 1 hour and 20 minutes. The total distance between these two airports is 330 mi.
What airline has the least delays from BIO to OPO?
Volotea has the best performance for on-time direct flights from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO), with an on-time score of 87%. Use the Expedia App to view your flight status before you leave and get immediate updates about any changes.
What is the best time to fly from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To avoid possible delays on the Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Porto from Bilbao Airport (BIO)?
Browse your flight options from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO). This is the only Porto airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Last-minute fares from BIO to OPO are generally more expensive. For the lowest prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a BIO to OPO flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIO to OPO flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Dr. Francisco de Sa Carneiro Airport (OPO)?
If you reserved your BIO to OPO flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.