Cheap flights from Istanbul to Porto from $267 IST, SAW → OPO
Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Porto Airport (OPO)
The cheapest return found recently is $267 with LOT Polish, 17 Aug 2027 – 31 Aug 2027, found 2 days ago.
- Cheapest return found recently
- $267, 17 Aug 2027 to 31 Aug 2027
- Usual return price
- $266 to $321
- Cheapest month to fly
- April 2027, return fares from $246 found in the last 7 days
- Airlines with nonstop flights
- Turkish Airlines
Return
The cheapest return fare on each of 8 departure dates is usually $266 to $321.
Cheapest return found recently
$267
17 Aug 2027 – 31 Aug 2027 · LOT Polish
Istanbul New Airport (IST) → Porto Airport (OPO)
Leaves 6:45 a.m. · Return leaves 2:25 p.m. · 16 h 5 min of travel, both ways together
out 1 stop, back 1 stop · via Frederic Chopin Airport (WAW)
found 2 days ago
Cheapest nonstop return
$541
17 Aug 2027 – 31 Aug 2027 · Turkish Airlines
Istanbul New Airport (IST) → Porto Airport (OPO)
Leaves 12:45 p.m. · Return leaves 3:25 p.m. · 9 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$267 17 Aug 2027 – 31 Aug 2027found 2 days agoSee prices for these dates
$246 10 Apr 2027 – 22 Apr 2027found 7 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 $192 to $298.
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 8 departure dates from 11 Dec to 8 Sept 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 14-night return fares leaving within 3 days of 17 Aug 2027 to compare.
Every date we hold
59 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Dec – 11 Jan 2027 | $263 | Ajet | Sabiha Gokcen International Airport (SAW) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 9 Apr 2027 – 23 Apr 2027 | $320 | Ajet | Sabiha Gokcen International Airport (SAW) → Porto Airport (OPO) | out 2 stops, back 2 stops | found 7 days ago | See prices for these dates |
| 10 Apr 2027 – 22 Apr 2027 | $246 | Tarom | Istanbul New Airport (IST) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 3 May 2027 – 10 May 2027 | $298 | LOT Polish | Istanbul New Airport (IST) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Jul 2027 – 27 Jul 2027 | $300 | LOT Polish | Istanbul New Airport (IST) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Aug 2027 – 31 Aug 2027 | $325 | Tarom | Istanbul New Airport (IST) → Porto Airport (OPO) | out 2 stops, back 1 stop | found 2 days ago | See prices for these dates |
| 17 Aug 2027 – 31 Aug 2027 | $267 | LOT Polish | Istanbul New Airport (IST) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 8 Sept 2027 – 15 Sept 2027 | $334 | Wizz Air Malta | Sabiha Gokcen International Airport (SAW) → Porto Airport (OPO) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $246.
Airlines on the cheapest dates: LOT Polish, Ajet, Tarom, Wizz Air Malta.
Premium cabin fares from Istanbul to Porto
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 17 Aug 2027 – 31 Aug 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Istanbul to Porto?
Return
Fares 90 to 179 days before departure were typically 20% lower than 14 to 29 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 |
|---|---|---|---|---|
| 14–29 days | $306 | $235 | +24% | 8 |
| 30–59 days | $269 | $210 | +9% | 22 |
| 60–89 days | $262 | $245 | +7% | 17 |
| 90–179 days | $246 | $192 | Cheapest seen | 45 |
| 180+ days | $280 | $254 | +14% | 46 |
Live price for these dates
The cheapest return found recently is for 17 Aug 2027 – 31 Aug 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 Istanbul to Porto?
The cheapest return found recently is $267 with LOT Polish, 17 Aug 2027 to 31 Aug 2027, found 2 days ago. The cheapest return we hold, of any age, is $246 with Tarom, 10 Apr 2027 to 22 Apr 2027, found 7 days ago. The cheapest return fare on each of 8 departure dates is usually $266 to $321.
What is the cheapest month to fly from Istanbul to Porto?
April 2027 is the cheapest month for a return, from $246, 10 Apr 2027 to 22 Apr 2027, found 7 days ago.
How far ahead should I book a flight from Istanbul to Porto?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 20% lower than 14 to 29 days before departure.
Is there a direct flight from Istanbul to Porto?
Yes, the cheapest nonstop return found recently is $541 with Turkish Airlines, 17 Aug 2027 to 31 Aug 2027, found 2 days ago.
Which airlines have the cheapest flights from Istanbul to Porto?
Between 11 Dec and 8 Sept 2027, LOT Polish has the cheapest return on 3 of the 8 departure dates we hold, Ajet on 2 and Tarom on 2.
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