Cheap flights from Porto to Istanbul from $158 OPO → IST, SAW

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $127 to $252.

At $299, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

We hold no other 4-night return fares leaving within 3 days of 21 Apr 2027 to compare.

Every date we hold

43 fares on 21 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $246.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $57 to $131.

At $158, 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?

We hold no other one-way fares leaving within 3 days of 22 Aug 2027 to compare.

Every date we hold

37 fares on 12 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $104.

Return

Fares 90 to 179 days before departure were typically 33% 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.

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.

How much is a return flight from Porto to Istanbul?

The cheapest return found recently is $299 with Air Europa, 21 Apr 2027 to 25 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $246 with Ryanair, 11 Jan 2027 to 17 Jan 2027, found 5 days ago. The cheapest return fare on each of 21 departure dates is usually $292 to $344.

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

The cheapest one-way found recently is $158 with Vueling, 22 Aug 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $104 with Wizz Air Malta, 26 Jan 2027, found 5 days ago. The cheapest one-way fare on each of 12 departure dates is usually $137 to $157.

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

January 2027 is the cheapest month for a return, from $246, 11 Jan 2027 to 17 Jan 2027, found 5 days ago. It is the cheapest month for a one-way too, from $104, 26 Jan 2027, found 5 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 33% 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 Porto to Istanbul?

Yes, the cheapest nonstop return found recently is $477 with Turkish Airlines, 13 Dec to 20 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $279 with Turkish Airlines, 10 Apr 2027, found 3 days ago.

How long is the flight from Porto to Istanbul?

The cheapest nonstop one-way found recently, with Turkish Airlines on 10 Apr 2027, takes 4 h 40 min from Porto Airport (OPO) to Istanbul New Airport (IST). The cheapest one-way found recently, with Vueling on 22 Aug 2027, takes 10 h 20 min with 1 stop.

Which airlines have the cheapest flights from Porto to Istanbul?

Between 13 Nov and 1 Jul 2027, Ryanair has the cheapest return on 7 of the 21 departure dates we hold, Vueling on 3 and Wizz Air Malta on 3. Between 26 Jan 2027 and 9 Oct 2027, Wizz Air Malta has the cheapest one-way on 3 of the 12 departure dates we hold, Air Europa on 3 and Vueling on 3.