Porto to Sal OPO → SID
Porto Airport (OPO) → Amilcar Cabral International Airport (SID)
The cheapest return found recently is $251 with TAP Air Portugal, 7 May 2027 – 13 May 2027, found 4 days ago. The cheapest one-way found recently is $71 with easyJet, 1 Feb 2027, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $254 to $260.
Cheapest return found recently
$251
7 May 2027 – 13 May 2027 · TAP Air Portugal
Porto Airport (OPO) → Amilcar Cabral International Airport (SID)
Leaves 6:00 p.m. · Return leaves 2:05 a.m. · 11 h 35 min of travel, both ways together
out 1 stop, back nonstop
found 4 days ago
Cheapest nonstop return
$257
1 Nov – 5 Nov · easyJet
Porto Airport (OPO) → Amilcar Cabral International Airport (SID)
Leaves 1:20 p.m. · Return leaves 5:40 p.m. · 8 h 55 min of travel, both ways together
out nonstop, back nonstop
found 6 days ago
Found recently, and the cheapest we hold
$251 7 May 2027 – 13 May 2027found 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 20 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $223 to $257.
20 days is a short history, so treat this range as an early guide.
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 3 departure dates from 1 Nov to 9 May 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 6-night return fares leaving within 3 days of 7 May 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Nov – 5 Nov | $257 | easyJet | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 7 May 2027 – 13 May 2027 | $251 | TAP Air Portugal | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 9 May 2027 – 14 May 2027 | $262 | easyJet | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
May 2027 is the cheapest month — from $251.
Airlines on the cheapest dates: easyJet, TAP Air Portugal, easyJet.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $76 to $83.
Cheapest one-way found recently
$71
1 Feb 2027 · easyJet
Porto Airport (OPO) → Amilcar Cabral International Airport (SID)
Leaves 1:35 p.m. · 4 h 35 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$71
1 Feb 2027 · easyJet
Porto Airport (OPO) → Amilcar Cabral International Airport (SID)
Leaves 1:35 p.m. · 4 h 35 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$71 1 Feb 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 19 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $70 to $91.
19 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 30 Jan 2027 to 1 Feb 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?
No. We hold one-way fares on 2 other departure dates within 3 days of 1 Feb 2027, and none is cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Jan 2027 | $81 | easyJet | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | nonstop | found 4 days ago | Open this trip |
| 31 Jan 2027 | $85 | easyJet | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | nonstop | found 2 days ago | Open this trip |
| 1 Feb 2027 | $71 | easyJet | Porto Airport (OPO) → Amilcar Cabral International Airport (SID) | nonstop | found yesterday | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $71.
Airlines on the cheapest dates: easyJet.
Premium cabin fares from Porto to Sal
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 7 May 2027 – 13 May 2027 in another cabin: Premium economy · Business · First
Today's prices for 1 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Porto to Sal?
Return
The cheapest fares were 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (20 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 | $257 | $257 | +3% | 9 |
| 30–59 days | $249 | $249 | Cheapest seen | 10 |
| 90–179 days | $249 | $249 | +0% | 8 |
| 180+ days | $335 | $223 | +35% | 12 |
One-way
Not enough history yet: in 19 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Porto → Boa Vista
73 km from Sal
$209
$42 less than flying to Sal
25 Jan 2027 – 31 Jan 2027 · OPO → BVC · out 1 stop, back nonstop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 7 May 2027 – 13 May 2027. A live search on this page shows what those dates cost now, for one adult in economy.
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