Bilbao to Istanbul BIO → IST, SAW
Bilbao Airport (BIO) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
The cheapest return found recently is $265 with Pegasus Airlines, 24 Oct – 28 Oct, found yesterday. The cheapest one-way found recently is $130 with Wizz Air Malta, 19 Mar 2027, found yesterday.
Return
The cheapest return fare on each of 11 departure dates is usually $222 to $278.
Cheapest return found recently
$265
24 Oct – 28 Oct · Pegasus Airlines
Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW)
Leaves 2:30 p.m. · Return leaves 10:20 a.m. · 8 h 15 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$265
24 Oct – 28 Oct · Pegasus Airlines
Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW)
Leaves 2:30 p.m. · Return leaves 10:20 a.m. · 8 h 15 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$265 24 Oct – 28 Octfound yesterdaySee prices for these dates
$217 1 Dec – 17 Decfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $185 to $224.
At $265, the cheapest return found recently is above that range.
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 11 departure dates from 20 Oct to 21 Aug 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 24 Oct to compare.
Every date we hold
20 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct – 28 Oct | $240 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 22 Oct – 27 Oct | $264 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back 2 stops | found 5 days ago | See prices for these dates |
| 24 Oct – 28 Oct | $265 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 25 Oct – 30 Oct | $223 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 31 Oct – 1 Nov | $381 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 1 Dec – 17 Dec | $217 | HOP! | Bilbao Airport (BIO) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 28 Dec – 10 Jan 2027 | $290 | Vueling | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out 3 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 29 Dec – 7 Jan 2027 | $220 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 3 Jan 2027 – 7 Jan 2027 | $221 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 14 Mar 2027 – 29 Mar 2027 | $265 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 21 Aug 2027 – 28 Aug 2027 | $365 | Pegasus Airlines | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $217.
Airlines on the cheapest dates: Pegasus Airlines, Vueling, HOP!.
One-way
The cheapest one-way fare on each of 9 departure dates is usually $122 to $135.
Cheapest one-way found recently
$130
19 Mar 2027 · Wizz Air Malta
Bilbao Airport (BIO) → Istanbul New Airport (IST)
Leaves 8:30 a.m. · 28 h 50 min trip
2 stops
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$130 19 Mar 2027found yesterdayOpen this trip
$104 16 Jan 2027found 4 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $79 to $113.
At $130, the cheapest one-way found recently is above that range.
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 9 departure dates from 16 Jan 2027 to 9 Jun 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 19 Mar 2027, and it is not cheaper.
Every date we hold
10 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Jan 2027 | $104 | Wizz Air Malta | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 2 stops | found 4 days ago | Open this trip |
| 10 Mar 2027 | $113 | Vueling | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | 1 stop | found 2 days ago | Open this trip |
| 19 Mar 2027 | $130 | Wizz Air Malta | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 2 stops | found yesterday | Open this trip |
| 20 Mar 2027 | $168 | Vueling | Bilbao Airport (BIO) → Sabiha Gokcen International Airport (SAW) | 3 stops | found yesterday | Open this trip |
| 31 Mar 2027 | $148 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 1 stop | found 5 days ago | Open this trip |
| 1 Apr 2027 | $133 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 1 stop | found 5 days ago | Open this trip |
| 2 Apr 2027 | $135 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 1 stop | found 5 days ago | Open this trip |
| 24 May 2027 | $122 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 1 stop | found 3 days ago | Open this trip |
| 9 Jun 2027 | $130 | Vueling | Bilbao Airport (BIO) → Istanbul New Airport (IST) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $104.
Airlines on the cheapest dates: Vueling, Wizz Air Malta.
Premium cabin fares from Bilbao to Istanbul
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 24 Oct – 28 Oct in another cabin: Premium economy · Business · First
Today's prices for 19 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Bilbao to Istanbul?
Return
Fares 30 to 59 days before departure were typically 13% lower than 0 to 6 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $244 | $205 | +15% | 18 |
| 7–13 days | $223 | $222 | +5% | 21 |
| 14–29 days | $235 | $219 | +11% | 24 |
| 30–59 days | $212 | $203 | Cheapest seen | 20 |
| 60–89 days | $221 | $185 | +5% | 25 |
| 90–179 days | $217 | $185 | +3% | 22 |
| 180+ days | $275 | $256 | +30% | 19 |
One-way
Fares 90 to 179 days before departure were typically 13% lower than 60 to 89 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $119 | $97 | +14% | 11 |
| 90–179 days | $104 | $79 | Cheapest seen | 25 |
| 180+ days | $124 | $122 | +19% | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Santander → Istanbul
75 km from Bilbao
$327
$62 more than flying from Bilbao
28 Dec – 10 Jan 2027 · SDR → SAW · out 2 stops, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Santander → Istanbul
75 km from Bilbao
$126
$4 less than flying from Bilbao
19 Mar 2027 · SDR → SAW · 1 stop
found 6 days ago
Biarritz → Istanbul
115 km from Bilbao
$268
$138 more than flying from Bilbao
31 Oct · BIQ → SAW · 1 stop
found 2 days ago
San Sebastian → Istanbul
76 km from Bilbao
$270
$140 more than flying from Bilbao
1 Nov · EAS → IST · 3 stops
found 2 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 24 Oct – 28 Oct. 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