Cheap flights from Bilbao to Istanbul from $123 BIO → IST, SAW

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $185 to $254.

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

Could nearby dates be cheaper?

We hold no other 42-night return fares leaving within 3 days of 23 Dec to compare.

Every date we hold

43 fares on 5 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $231.

Found recently, and the cheapest we hold

What have prices looked like?

Over 50 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $79 to $114.

At $123, the cheapest one-way found recently is above that range.

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

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 17 May 2027, and it is not cheaper.

Every date we hold

23 fares on 10 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $113.

Return

Fares 30 to 59 days before departure were typically 15% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 12 Nov (50 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.

One-way

Fares 90 to 179 days before departure were typically 25% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 12 Nov (50 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.

How much is a return flight from Bilbao to Istanbul?

The cheapest return found recently is $231 with Pegasus Airlines, 23 Dec to 3 Feb 2027, found 22 hours ago. The cheapest return fare on each of 5 departure dates is usually $245 to $285.

How much is a one-way flight from Bilbao to Istanbul?

The cheapest one-way found recently is $123 with Vueling, 17 May 2027, found today. The cheapest one-way we hold, of any age, is $113 with Wizz Air Malta, 3 Feb 2027, found 4 days ago. The cheapest one-way fare on each of 10 departure dates is usually $123 to $138.

What is the cheapest month to fly from Bilbao to Istanbul?

December 2026 is the cheapest month for a return, from $231, 23 Dec to 3 Feb 2027, found 22 hours ago. February 2027 is the cheapest month for a one-way, from $113, 3 Feb 2027, found 4 days ago.

How far ahead should I book a flight from Bilbao to Istanbul?

In 50 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 15% lower than 0 to 6 days before departure. One-way fares 90 to 179 days before departure were typically 25% lower than 0 to 6 days before departure.

Is there a direct flight from Bilbao to Istanbul?

Yes, the cheapest nonstop return found recently is $275 with Pegasus Airlines, 23 Dec to 3 Feb 2027, found 22 hours ago. The cheapest nonstop one-way found recently is $123 with Pegasus Airlines, 14 May 2027, found 2 days ago.

How long is the flight from Bilbao to Istanbul?

The cheapest nonstop one-way found recently, with Pegasus Airlines on 14 May 2027, takes 3 h 50 min from Bilbao Airport (BIO) to Sabiha Gokcen International Airport (SAW). The cheapest one-way found recently, with Vueling on 17 May 2027, takes 7 h 25 min with 1 stop.

Which airlines have the cheapest flights from Bilbao to Istanbul?

Between 12 Dec and 18 Mar 2027, Pegasus Airlines has the cheapest return on 2 of the 5 departure dates we hold, Vueling on 2 and Lufthansa on 1. Between 3 Feb 2027 and 2 Jul 2027, Vueling has the cheapest one-way on 4 of the 10 departure dates we hold, Pegasus Airlines on 3 and Wizz Air Malta on 1.