Cheap flights from Barcelona to Bilbao from $36 BCN → BIO
Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO)
The cheapest return found recently is $60 with Vueling, 1 Jan 2027 – 5 Jan 2027, found 2 days ago. The cheapest one-way found recently is $36 with Vueling, 16 May 2027, found 7 days ago.
- Cheapest one-way found recently
- $36, Vueling, found 7 days ago
- Cheapest return found recently
- $60, 1 Jan 2027 to 5 Jan 2027
- Usual return price
- $61 to $82
- Cheapest month to fly
- December 2026, return fares from $48 found in the last 7 days
- Airlines with nonstop flights
- Vueling
- Shortest nonstop flight found
- 1 h 15 min
Return
The cheapest return fare on each of 11 departure dates is usually $61 to $82.
Cheapest return found recently
$60
1 Jan 2027 – 5 Jan 2027 · Vueling
Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO)
Leaves 9:30 a.m. · Return leaves 11:00 p.m. · 2 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$60
1 Jan 2027 – 5 Jan 2027 · Vueling
Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO)
Leaves 9:30 a.m. · Return leaves 11:00 p.m. · 2 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$60 1 Jan 2027 – 5 Jan 2027found 2 days agoSee prices for these dates
$48 1 Dec – 3 Decfound 5 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $43 to $54.
At $60, the cheapest return found recently is above that range.
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 11 departure dates from 24 Nov to 1 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?
We hold no other 4-night return fares leaving within 3 days of 1 Jan 2027 to compare.
Every date we hold
38 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Nov – 25 Nov | $56 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 1 Dec – 3 Dec | $48 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 4 Dec – 8 Dec | $116 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 5 Dec – 8 Dec | $104 | Air Europa | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 6 Dec – 8 Dec | $64 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 12 Dec – 15 Dec | $64 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 24 Dec – 29 Dec | $97 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 1 Jan 2027 – 5 Jan 2027 | $60 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 5 Apr 2027 – 9 Apr 2027 | $66 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 6 Apr 2027 – 9 Apr 2027 | $66 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 1 May 2027 – 5 May 2027 | $61 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $48.
Airlines on the cheapest dates: Vueling, Air Europa.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$36
16 May 2027 · Vueling
Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO)
Leaves 6:40 a.m. · 1 h 15 min trip
nonstop
found 7 days ago
Cheapest nonstop one-way
$36
16 May 2027 · Vueling
Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO)
Leaves 6:40 a.m. · 1 h 15 min trip
nonstop
found 7 days ago
Found recently, and the cheapest we hold
$36 16 May 2027found 7 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $22 to $30.
At $36, the cheapest one-way found recently is above that range.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 16 May 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 May 2027 | $36 | Vueling | Barcelona-El Prat Airport (BCN) → Bilbao Airport (BIO) | nonstop | found 7 days ago | Open this trip |
Airlines on the cheapest dates: Vueling.
Premium cabin fares from Barcelona to Bilbao
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 1 Jan 2027 – 5 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 16 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Barcelona to Bilbao?
Return
Fares 30 to 59 days before departure were typically 51% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $100 | $65 | +104% | 27 |
| 7–13 days | $78 | $56 | +59% | 26 |
| 14–29 days | $56 | $44 | +14% | 44 |
| 30–59 days | $49 | $43 | Cheapest seen | 47 |
| 60–89 days | $53 | $43 | +8% | 44 |
| 90–179 days | $61 | $47 | +25% | 30 |
| 180+ days | $69 | $64 | +41% | 29 |
One-way
The cheapest fares were 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $24 | $22 | Cheapest seen | 34 |
| 90–179 days | $28 | $24 | +17% | 48 |
| 180+ days | $30 | $29 | +25% | 35 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Barcelona → Santander
75 km from Bilbao
$42
$6 more than flying to Bilbao
1 Sept 2027 · BCN → SDR · nonstop
found 7 days ago
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 1 Jan 2027 – 5 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Barcelona to Bilbao?
The cheapest return found recently is $60 with Vueling, 1 Jan 2027 to 5 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $48 with Vueling, 1 Dec to 3 Dec, found 5 days ago. The cheapest return fare on each of 11 departure dates is usually $61 to $82.
How much is a one-way flight from Barcelona to Bilbao?
The cheapest one-way found recently is $36 with Vueling, 16 May 2027, found 7 days ago.
What is the cheapest month to fly from Barcelona to Bilbao?
December 2026 is the cheapest month for a return, from $48, 1 Dec to 3 Dec, found 5 days ago.
How far ahead should I book a flight from Barcelona to Bilbao?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 51% lower than 0 to 6 days before departure. One-way fares were cheapest 60 to 89 days before departure.
Is there a direct flight from Barcelona to Bilbao?
Yes, the cheapest nonstop return found recently is $60 with Vueling, 1 Jan 2027 to 5 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $36 with Vueling, 16 May 2027, found 7 days ago.
How long is the flight from Barcelona to Bilbao?
The cheapest nonstop one-way found recently, with Vueling on 16 May 2027, takes 1 h 15 min from Barcelona-El Prat Airport (BCN) to Bilbao Airport (BIO).
Which airlines have the cheapest flights from Barcelona to Bilbao?
Between 24 Nov and 1 May 2027, Vueling has the cheapest return on 10 of the 11 departure dates we hold, and Air Europa on 1.
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