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Istanbul to Bilbao IST, SAW → BIO

Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)

The cheapest return found recently is $216 with Pegasus Airlines, 27 Apr 2027 – 7 May 2027, found yesterday.

Return

The cheapest return fare on each of 18 departure dates is usually $234 to $262.

Cheapest return found recently

$216

27 Apr 2027 – 7 May 2027 · Pegasus Airlines

Sabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)

Leaves 10:05 a.m. · Return leaves 2:30 p.m. · 8 h 5 min of travel, both ways together

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest nonstop return

$216

27 Apr 2027 – 7 May 2027 · Pegasus Airlines

Sabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)

Leaves 10:05 a.m. · Return leaves 2:30 p.m. · 8 h 5 min of travel, both ways together

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

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Found recently, and the cheapest we hold

Cheapest found recently $216 27 Apr 2027 – 7 May 2027found yesterdaySee prices for these dates

Cheapest we hold, of any age $198 2 Dec – 10 Decfound 4 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 $172 to $242.

$216, the cheapest return found recently, sits here in that range of $172 to $242.

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 18 departure dates from 30 Oct to 12 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?

We hold no other 10-night return fares leaving within 3 days of 27 Apr 2027 to compare.

Every date we hold

42 fares on 18 departure dates

30 Oct – 25 Nov: $220, found yesterday25 Nov – 10 Dec: $240, found 4 days ago2 Dec – 10 Dec: $198, found 4 days ago10 Dec – 18 Dec: $249, found 2 days ago9 Jan 2027 – 31 Jan 2027: $234, found yesterday4 Feb 2027 – 19 Feb 2027: $263, found 4 days ago6 Mar 2027 – 13 Mar 2027: $252, found 5 days ago7 Mar 2027 – 13 Mar 2027: $256, found 5 days ago14 Mar 2027 – 30 Mar 2027: $263, found 4 days ago24 Mar 2027 – 12 Apr 2027: $271, found 4 days ago26 Mar 2027 – 12 Apr 2027: $290, found 4 days ago10 Apr 2027 – 30 Apr 2027: $234, found 4 days ago13 Apr 2027 – 22 Apr 2027: $199, found 6 days ago23 Apr 2027 – 10 May 2027: $260, found 4 days ago25 Apr 2027 – 9 May 2027: $242, found 4 days ago27 Apr 2027 – 7 May 2027: $216, found yesterday7 Jun 2027 – 25 Jun 2027: $253, found 2 days ago12 Jun 2027 – 2 Jul 2027: $281, found 4 days agoDecMarAprJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
30 Oct – 25 Nov$220Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Nov – 10 Dec$240Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Dec – 10 Dec$198Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Dec – 18 Dec$249Turkish AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates
9 Jan 2027 – 31 Jan 2027$234AjetSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
4 Feb 2027 – 19 Feb 2027$263Air FranceIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
6 Mar 2027 – 13 Mar 2027$252KLMIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
7 Mar 2027 – 13 Mar 2027$256LufthansaIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Mar 2027 – 30 Mar 2027$263LufthansaIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
24 Mar 2027 – 12 Apr 2027$271Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
26 Mar 2027 – 12 Apr 2027$290Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
10 Apr 2027 – 30 Apr 2027$234LufthansaIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
13 Apr 2027 – 22 Apr 2027$199LufthansaIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
23 Apr 2027 – 10 May 2027$260Turkish AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
25 Apr 2027 – 9 May 2027$242Sky Express GreeceIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
27 Apr 2027 – 7 May 2027$216Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back nonstopfound yesterdaySee prices for these dates
7 Jun 2027 – 25 Jun 2027$253Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Bilbao Airport (BIO)out nonstop, back 2 stopsfound 2 days agoSee prices for these dates
12 Jun 2027 – 2 Jul 2027$281VuelingIstanbul New Airport (IST) → Bilbao Airport (BIO)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $198.

October 2026From $2201 departure date30 Oct – 25 Nov · found yesterdaySee prices for these dates
November 2026From $2401 departure date25 Nov – 10 Dec · found 4 days agoSee prices for these dates
December 2026From $198Cheapest seen2 departure dates2 Dec – 10 Dec · found 4 days agoSee prices for these dates
January 2027From $2341 departure date9 Jan 2027 – 31 Jan 2027 · found yesterdaySee prices for these dates
February 2027From $2631 departure date4 Feb 2027 – 19 Feb 2027 · found 4 days agoSee prices for these dates
March 2027From $2525 departure dates6 Mar 2027 – 13 Mar 2027 · found 5 days agoSee prices for these dates
April 2027From $1995 departure dates13 Apr 2027 – 22 Apr 2027 · found 6 days agoSee prices for these dates
June 2027From $2532 departure dates7 Jun 2027 – 25 Jun 2027 · found 2 days agoSee prices for these dates

Airlines on the cheapest dates: Pegasus Airlines, Lufthansa, Turkish Airlines, Ajet, Air France, KLM, Sky Express Greece, Vueling.

Premium cabin fares from Istanbul 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 27 Apr 2027 – 7 May 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Istanbul to Bilbao?

Return

The cheapest fares were 30 to 59 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
30–59 days$200$198Cheapest seen10
60–89 days$240$200+20%16
90–179 days$203$172+2%25
180+ days$243$199+22%20

Live price for these dates

The cheapest return found recently is for 27 Apr 2027 – 7 May 2027. 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