Great1 stop · 12.5h
SAO to JNBSouth Africa
Johannesburg
$593
usually $885
−33%
Most monthly lows $771–$885. Cheaper than every other month on record (3).
Flights · SAO → OPO
São Paulo to Porto
Best fare, round trip
$693
−30%
below its usual $985
you keep $292
GreatFound
- Depart
- Thu 18 Mar
- Return
- Mon 22 Mar
- Stay
- 4 nights
- Flight
- Nonstop · 10h
- Airline
Azul Airlines
Most of this route’s monthly lows fall between $833 and $1,030. The drop beats 78% of measured fares on the board, over 8 observed months.
Cached fare — the booking search re-prices live before you pay.
PortugalPortoGranite, port wine and a river gorge through the middle — cheaper and steeper than Lisbon.Best windowMay–Jun · Sep–OctAirportsFrancisco Sá Carneiro (OPO)Every route into PortoFare seasonality
When this route gets cheap.
Fares bottom out in March around $693 and peak in July near $1,211, 75% dearer, across the 8 months we track. The cheapest itinerary we are tracking flies Azul Airlines nonstop and takes about 10 hours outbound, on a 4-night trip. At $693 for 8,194 km each way, that works out to about $42 per 1,000 km flown. That is about the $44 per 1,000 km typical of long-haul fares here. Across the 8 departure cities we track at a similar distance from Porto, this fare ranks 2nd — 7% above the $649 from Miami. That puts it in the cheaper half of the 36 routes of similar length we watch out of São Paulo, where the middle fare is $938. The best time to be in Porto: May–Jun · Sep–Oct.
Day-level prices for the next 4 months
Press a day to compare its fares
The median cached fare across this calendar is 10% lower than when tracking began on 8 Aug — $987 then versus $893 now, across 19 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 $693, on 18 Mar '27.
Cached day-level data for this route is sparse — 10 of 109 days priced, from 41 tracked fares. The days below are shown as found, with no cheapest-day or below-median call.
October 2026
November 2026
December 2026
January 2027
1234567891011Tuesday 12 January: $1.1k. Compare fares from this day.13141516171819202122232425262728293031
Cached fares · checked 15 Oct 2026
Cheapest in Mar, around $693
30% below the $985 typical fare
$910Oct, below the usual price. Compare October fares.$757Nov, below the usual price. Compare November fares.$875Dec, below the usual price. Compare December fares.$1123Jan ’27, above the usual price. Compare January fares.$693Mar, the cheapest month. Compare March fares.$984Apr, around the usual price. Compare April fares.$833May, below the usual price. Compare May fares.$1211Jul, above the usual price. Compare July fares.
CheapestBelow usualUsualAbove usualPress a month to compare its fares
Cheapest round-trip fare found each month, São Paulo to Porto, from cached prices.
Route facts
- Airports
- Guarulhos (GRU) · Congonhas (CGH) · Viracopos (VCP) ↔ Francisco Sá Carneiro (OPO)
- Flight time
- ≈10 hours outbound
- Distance
- ≈8,194 km each way
- Typical price
- $985 round-trip (seasonal median)
- Airlines on the board
- Azul Airlines
- Itineraries
- Nonstop available
- Best months to visit
- May–Jun · Sep–Oct
Good to know
SAO → OPO, answered.
Is $693 a good price for São Paulo to Porto?
Yes — the seasonal median for this route is around $985 round-trip. At $693 you're 30% below that, which we rate great for this route.
What is the cheapest month to fly from São Paulo to Porto?
Across 8 months of cached-fare history, Mar 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 SAO → 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, Mar comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.
Are there nonstop flights from São Paulo to Porto?
Yes — the current board includes nonstop fares (Azul Airlines). The outbound leg runs around 10 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 17 October). 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 18–22 Mar '27 · 4 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next SAO → OPO drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
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