OPO - BIO

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Everything you should know

Cheapest round-trip
$54
Typical prices: $80-$157
Volotea
Sun 2/18Wed 2/21
OPO - BIO • Non-stop
Cheapest one-way
$25
Typical prices: $55-$122
Volotea
Sun 2/11
OPO - BIO • Non-stop
Nonstop flights
You can fly direct with Vueling and Volotea. Average duration is 1h 15m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 62% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $130 (round-trip)
Shortest trip • 3h 48m (one-way)
Insights
Insights
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We hope you love your trip to Bilbao!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Porto to Bilbao (OPO-BIO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Porto to Bilbao

Thu, Feb 18 - Sun, Feb 21
Volotea Logo
8:55 pm - 11:10 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Volotea Logo
8:00 pm - 8:20 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$54Volotea
Thu, Dec 10 - Thu, Dec 17
Volotea Logo
8:55 pm - 11:10 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Volotea Logo
7:55 pm - 8:15 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$55Volotea
Thu, Dec 10 - Tue, Dec 15
Vueling Logo
8:15 pm - 10:30 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Vueling Logo
7:50 pm - 8:10 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$58Vueling
Sat, Dec 12 - Tue, Dec 15
Vueling Logo
8:05 pm - 10:20 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Vueling Logo
7:50 pm - 8:10 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$58Vueling
Thu, Dec 10 - Mon, Dec 14
Multiple Airlines Logo
8:55 pm - 11:10 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Multiple Airlines Logo
10:45 pm - 4:45 pmBIO  Bilbao-OPO Porto
19h 00m1 stop Valencia
$83Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
1:35 pm - 10:10 pmOPO  Porto-BIO Bilbao
7h 35m1 stop Malaga
Multiple Airlines Logo
7:20 pm - 7:40 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$83Multiple Airlines
Sat, Dec 12 - Mon, Dec 14
Multiple Airlines Logo
8:05 pm - 10:20 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Multiple Airlines Logo
10:45 pm - 4:45 pmBIO  Bilbao-OPO Porto
19h 00m1 stop Valencia
$84Multiple Airlines
Thu, Feb 18 - Sun, Feb 21
Volotea Logo
8:55 pm - 11:10 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Volotea Logo
8:00 pm - 8:20 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$85Volotea
Sat, Dec 12 - Tue, Dec 15
Multiple Airlines Logo
1:25 pm - 9:50 pmOPO  Porto-BIO Bilbao
7h 25m1 stop Valencia
Multiple Airlines Logo
7:50 pm - 8:10 pmBIO  Bilbao-OPO Porto
1h 20mnonstop
$88Multiple Airlines
Thu, Nov 26 - Sun, Nov 29
Multiple Airlines Logo
8:55 pm - 11:10 pmOPO  Porto-BIO Bilbao
1h 15mnonstop
Multiple Airlines Logo
12:45 pm - 3:15 pmBIO  Bilbao-OPO Porto
3h 30m1 stop Madrid Barajas
$89Multiple Airlines
Booking Insights

Price, demand and travel trends for Porto to Bilbao flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Porto to Bilbao?

Round-trip flights from Porto to Bilbao typically range from $80 to $157. The lowest price found in the past 5 days was $54, on Volotea.

What's the cheapest day of the week to fly from Porto to Bilbao?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Porto to Bilbao. It’s 23% cheaper than the average day, while Monday is the most expensive, with prices 43% higher.

What’s the cheapest month to fly from Porto to Bilbao?

•May is the cheapest month to fly from Porto to Bilbao at $87 round-trip.
•July ($146) and October ($133) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 67% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Porto to Bilbao the cheapest?

Flights from Porto to Bilbao are cheapest 25 weeks before departure. Booking in this window typically costs about 62% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Porto to Bilbao flights

Low season

August

Cheapest flight

$25
Beat the crowds with an average 24% drop in travelers.
The most popular month to fly with an average 44% increase in travelers.
One-way flight from Porto to Bilbao

When to book flights from Porto to Bilbao

Are your dates flexible? Find out the best times to travel from Porto to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Porto to Bilbao flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Porto to Bilbao?

    These are the earliest and latest flight times available from Porto to Bilbao:

    • Earliest: departs at 5:00 pm and lands at 6:15 pm
    • Latest: departs at 8:55 pm and lands at 10:10 pm.

    The flight takes about 1h 15m.

  • What cabin classes can I book on flights from Porto to Bilbao?

    Only Economy Class is available on flights from Porto to Bilbao.

  • How long is a flight from Porto to Bilbao?

    A nonstop flight from Porto to Bilbao takes 1h 15m, covering 327 miles.

  • Do I need a passport to fly from Porto to Bilbao?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Porto to Bilbao flight?

    Round-trip flights from Porto to Bilbao range from $80 to $157, with an average of $115 over the past 12 months. Anything below $80 counts as a good deal.

  • How expensive are last-minute Porto to Bilbao flights?

    Last-minute fares on this route (booked within two weeks of departure) run 33% above the $115 route average. Book 25 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Porto to Bilbao?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $95 round-trip, compared to $130 via a layover through Lisbon Humberto Delgado (LIS).

  • What is the standard checked-bag allowance on flights from Porto to Bilbao?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $24–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Porto to Bilbao?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Vueling and Volotea. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • How are flight departures from Porto to Bilbao spread across the day?

    Evening is the busiest departure period on Porto to Bilbao flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • How are flight prices from Porto to Bilbao looking right now?

    One-way fares from Porto to Bilbao are currently lower than usual. Average one-way flight prices are about $44, which is 47% below the typical average for this route.

  • What car rental options are available at Bilbao Airport (BIO)?

    Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates averaging $32 for economy cars. Top options include:

    • Record go
    • Goldcar Rental SP
    • CLICK RENT
    • Centauro
    • Rentbycar

  • Which airports can I use when flying from Porto to Bilbao?

    Flights from Porto to Bilbao usually depart from Porto (OPO) and arrive at Bilbao (BIO).

  • What time of day has the fewest delays on flights from Porto to Bilbao?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Porto to Bilbao?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Porto to Bilbao route, 11% of flights were delayed in the past 3 months, with delays averaging 1h 36m.

  • Which airports do connecting flights from Porto to Bilbao pass through?

    One-stop flights from Porto to Bilbao most commonly connect through:

    • Madrid Barajas (MAD) - 86% of one-stop connections
    • Lisbon Humberto Delgado (LIS) - 12% of one-stop connections
    • Barcelona-El Prat (BCN) - 1% of one-stop connections
    • Frankfurt am Main (FRA) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Porto to Bilbao?

    Yes. Flexible dates can save you up to 47% on flights from Porto to Bilbao. Thursday is the cheapest departure day at $89 round-trip on average, while Monday is the most expensive at $165, a difference of $76.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Porto to Bilbao?

    2 airlines operate flights between Porto and Bilbao. The airlines offering nonstop flights on this route include:

    • Vueling
    • Volotea

  • How much time can I save by choosing a different layover airport from Porto to Bilbao?

    Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 3h 48m, compared with 6h 02m via Frankfurt am Main (FRA) and 6h 33m via Lisbon Humberto Delgado (LIS).

  • What is the time difference between Porto and Bilbao?

    Bilbao is 1 hour ahead of Porto (Central European Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Porto to Bilbao flights?

    Among airlines operating Porto to Bilbao flights:

    • TAP AIR PORTUGAL: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Porto to Bilbao flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy Class
    • Vueling: a checked bag in Economy Class class
    • Volotea: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Porto to Bilbao flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $89, about $76 less than Monday fares (46% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 62% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Porto to Bilbao trip for May. Fares historically average $87 round-trip in that month - typically $59 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Volotea. Over the past three months, 90% of Volotea flights from Porto to Bilbao arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 36m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.

Prefer to fly direct from Porto to Bilbao?

 
Find which airlines fly direct from Porto Airport to Bilbao Airport, which days they fly and book direct flights.

Direct departures

Porto to Bilbao

Tuesday

Vueling

Vueling

Thursday

Volotea,Vueling

Volotea,Vueling

Saturday

Vueling

Vueling

Sunday

Volotea

Volotea

See more direct flights

Direct returns

Bilbao to Porto

Tuesday

Vueling

Vueling

Thursday

Volotea,Vueling

Volotea,Vueling

Saturday

Vueling

Vueling

Sunday

Volotea

Volotea

See more direct flights

More options for your flight from Porto to Bilbao

Complete your trip to Bilbao with a hotel stay or car rental