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Bilbao to Porto BIO → OPO

Bilbao Airport (BIO) → Porto Airport (OPO)

The cheapest return found recently is $116 with Vueling, 31 Oct – 3 Nov, found 3 days ago. The cheapest one-way found recently is $26 with Volotea, 15 Nov, found 2 days ago.

Return

The cheapest return fare on each of 8 departure dates is usually $119 to $139.

Cheapest return found recently

$116

31 Oct – 3 Nov · Vueling

Bilbao Airport (BIO) → Porto Airport (OPO)

Leaves 7:10 p.m. · Return leaves 8:45 p.m. · 2 h 35 min of travel, both ways together

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

Cheapest nonstop return

$116

31 Oct – 3 Nov · Vueling

Bilbao Airport (BIO) → Porto Airport (OPO)

Leaves 7:10 p.m. · Return leaves 8:45 p.m. · 2 h 35 min of travel, both ways together

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

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Found recently, and the cheapest we hold

Cheapest found recently $116 31 Oct – 3 Novfound 3 days agoSee prices for these dates

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $37 to $131.

$116, the cheapest return found recently, sits here in that range of $37 to $131.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good return price?

Compared with the cheapest return fare on each of 8 departure dates from 25 Oct to 1 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

No. We hold 3-night return fares on 3 other departure dates within 3 days of 31 Oct, and none is cheaper.

Every date we hold

8 fares on 8 departure dates

25 Oct – 27 Oct: $202, found 3 days ago31 Oct – 3 Nov: $116, found 3 days ago1 Nov – 4 Nov: $119, found 3 days ago2 Nov – 5 Nov: $124, found 3 days ago3 Nov – 6 Nov: $118, found 3 days ago4 Nov – 7 Nov: $132, found 3 days ago5 Nov – 8 Nov: $139, found 3 days ago1 Jan 2027 – 2 Jan 2027: $140, found 3 days agoOctNovJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
25 Oct – 27 Oct$202VuelingBilbao Airport (BIO) → Porto Airport (OPO)out 3 stops, back nonstopfound 3 days agoSee prices for these dates
31 Oct – 3 Nov$116VuelingBilbao Airport (BIO) → Porto Airport (OPO)out nonstop, back nonstopfound 3 days agoSee prices for these dates
1 Nov – 4 Nov$119VoloteaBilbao Airport (BIO) → Porto Airport (OPO)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
2 Nov – 5 Nov$124Air EuropaBilbao Airport (BIO) → Porto Airport (OPO)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
3 Nov – 6 Nov$118VuelingBilbao Airport (BIO) → Porto Airport (OPO)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
4 Nov – 7 Nov$132Air EuropaBilbao Airport (BIO) → Porto Airport (OPO)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
5 Nov – 8 Nov$139Air EuropaBilbao Airport (BIO) → Porto Airport (OPO)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
1 Jan 2027 – 2 Jan 2027$140VoloteaBilbao Airport (BIO) → Porto Airport (OPO)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $116.

October 2026From $116Cheapest seen2 departure dates31 Oct – 3 Nov · found 3 days agoSee prices for these dates
November 2026From $1185 departure dates3 Nov – 6 Nov · found 3 days agoSee prices for these dates
January 2027From $1401 departure date1 Jan 2027 – 2 Jan 2027 · found 3 days agoSee prices for these dates

Airlines on the cheapest dates: Vueling, Air Europa, Volotea.

One-way

The cheapest one-way fare on each of 8 departure dates is usually $28 to $51.

Cheapest one-way found recently

$26

15 Nov · Volotea

Bilbao Airport (BIO) → Porto Airport (OPO)

Leaves 8:00 p.m. · 1 h 20 min trip

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest nonstop one-way

$26

15 Nov · Volotea

Bilbao Airport (BIO) → Porto Airport (OPO)

Leaves 8:00 p.m. · 1 h 20 min trip

nonstop

found 2 days ago

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Found recently, and the cheapest we hold

Cheapest found recently $26 15 Novfound 2 days agoOpen this trip

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $23 to $28.

$26, the cheapest one-way found recently, sits here in that range of $23 to $28.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good one-way price?

Compared with the cheapest one-way fare on each of 8 departure dates from 15 Nov to 12 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 15 Nov, and it is not cheaper.

Every date we hold

8 fares on 8 departure dates

15 Nov: $26, found 2 days ago17 Nov: $28, found 4 days ago20 Dec: $35, found 4 days ago28 Feb 2027: $28, found 5 days ago2 Apr 2027: $45, found 2 days ago10 May 2027: $67, found 4 days ago11 May 2027: $67, found 4 days ago12 May 2027: $28, found 4 days agoNovDecFebAprMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
15 Nov$26VoloteaBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 2 days agoOpen this trip
17 Nov$28VuelingBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 4 days agoOpen this trip
20 Dec$35VoloteaBilbao Airport (BIO) → Porto Airport (OPO)stops unknownfound 4 days agoOpen this trip
28 Feb 2027$28VoloteaBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 5 days agoOpen this trip
2 Apr 2027$45VuelingBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 2 days agoOpen this trip
10 May 2027$67VuelingBilbao Airport (BIO) → Porto Airport (OPO)1 stopfound 4 days agoOpen this trip
11 May 2027$67VuelingBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 4 days agoOpen this trip
12 May 2027$28VuelingBilbao Airport (BIO) → Porto Airport (OPO)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $26.

November 2026From $26Cheapest seen2 departure dates15 Nov · found 2 days agoOpen this trip
December 2026From $351 departure date20 Dec · found 4 days agoOpen this trip
February 2027From $281 departure date28 Feb 2027 · found 5 days agoOpen this trip
April 2027From $451 departure date2 Apr 2027 · found 2 days agoOpen this trip
May 2027From $283 departure dates12 May 2027 · found 4 days agoOpen this trip

Airlines on the cheapest dates: Vueling, Volotea.

Premium cabin fares from Bilbao to Porto

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 31 Oct – 3 Nov in another cabin: Premium economy · Business · First

Today's prices for 15 Nov in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Bilbao to Porto?

Return

The cheapest fares were 14 to 29 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
14–29 days$71$37Cheapest seen25
60–89 days$129$86+82%12
90–179 days$131$131+85%8

One-way

Fares 30 to 59 days before departure were typically 11% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — one way, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
14–29 days$28$26+12%12
30–59 days$25$24Cheapest seen12
60–89 days$26$23+4%19
90–179 days$27$27+8%25

Could a nearby airport be cheaper?

A different airport at either end can change the fare — sometimes a lot.

Return

Biarritz → Porto

115 km from Bilbao

$366

$250 more than flying from Bilbao

1 Nov – 30 Nov · BIQ → OPO · out 2 stops, back 1 stop

found 2 days ago

Check today's price

Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.

One-way

San Sebastian → Porto

76 km from Bilbao

$62

$36 more than flying from Bilbao

19 Nov · EAS → OPO · 1 stop

found 3 days ago

Check today's price

Vitoria-Gasteiz → Porto

50 km from Bilbao

$80

$54 more than flying from Bilbao

6 Nov · VIT → OPO · 1 stop

found 5 days ago

See this route

Biarritz → Porto

115 km from Bilbao

$152

$126 more than flying from Bilbao

1 Jan 2027 · BIQ → OPO · 1 stop

found 4 days ago

Check today's price

Santander → Porto

75 km from Bilbao

$156

$130 more than flying from Bilbao

25 Oct · SDR → OPO · 2 stops

found 5 days ago

Check today's price

Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.

Live price for these dates

The cheapest return found recently is for 31 Oct – 3 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work