Route brief · IST → OPO
Istanbul → Porto
$196
−22% vs typical
seasonal median $250 · difference $54
Jan 25 '27 – Feb 27 '27 · 33 nights
LOT Polish1 stop
- Usual monthly lows
- $246–$252
- Board rank
- Stronger than 61%
- Route sample
- 8 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefOPOPortoGranite, port wine and a river gorge through the middle — cheaper and steeper than Lisbon.Best windowMay–Jun · Sep–OctAirportsFrancisco Sá Carneiro (OPO)All routes into PortoWhen this route gets cheap.
Cached-fare history: across 8 months, Jan is the cheapest for IST → OPO. Best time to be there: May–Jun · Sep–Oct.
Fares bottom out in January around $196 and peak in May near $298 — a $102 spread across the 8 months we track. The cheapest itinerary we are tracking makes one stop and takes about 6.5 hours outbound, on a 33-night trip — ticketed under LOT Polish, which on a connecting fare need not operate every leg. At $196 for 3,127 km each way, that works out to about $31 per 1,000 km flown. That is below the $39 typical of medium-haul fares here. Across the 4 departure cities we track at a similar distance from Porto, this fare ranks 3rd — 25% above the $157 from Stockholm. For context, the middle fare among the 14 routes of similar length we watch out of Istanbul is $192.
Cheapest day in the next 4 months: Nov 12 · $225 (23% below median)
Tap any day → live search
The median cached fare across this calendar is unchanged since tracking began on Aug 8 — $286 then versus $287 now, across 6 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $211, on Nov 9.
September 2026
Cheapest in Jan · around $196
22% below the $250 typical fare
Cheapest round-trip fare found per month · Istanbul → Porto · cached-price history
Route facts
- Airports
- Istanbul (IST) · Sabiha Gökçen (SAW) ↔ Francisco Sá Carneiro (OPO)
- Flight time
- ~6.5 hours outbound
- Distance
- ~3,127 km each way
- Typical price
- $250 round-trip (seasonal median)
- Airlines on the board
- LOT Polish
- Itineraries
- Connections on current fares
- Best months to visit
- May–Jun · Sep–Oct
IST → OPO, answered.
Is $196 a good price for Istanbul to Porto?
Yes — the seasonal median for this route is around $250 round-trip. At $196 you're 22% below that, saving about $54, which we rate good for this route.
What is the cheapest month to fly from Istanbul to Porto?
Across 8 months of cached-fare history, Jan comes out cheapest on this route. The best months to actually be in Porto are May–Jun · Sep–Oct — when those overlap, that's your window.
How far in advance should I book IST → Porto?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 8 months of cached fares, Jan comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Istanbul to Porto?
The current cheapest fares involve a connection, ticketed under LOT Polish. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Porto?
Lock the flight first — then compare stays for Jan 25 '27 – Feb 27 '27 · 33 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next IST → OPO drop reaches you as soon as we find it.
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