This page does one job: keep an eye on return fares from Porto to Singapore. You get the cheapest price we have on record, the exact dates it was available on, and how that sits against what the route normally costs.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Porto? We track 56 other departure cities for Singapore, listed at the foot of this page.
Porto → Singapore
for 9 Jan – 22 Jan 2027
✓ live-checked 2 hours ago
Check live price on Skyscanner →Price history 66 checks recorded for this route
lowest seen €563 · typical €793 · highest €896 · now €578
The cheapest Porto to Singapore return flight on the radar right now is €578, flying with Turkish Airlines via one or more connections. It covers departures in January 2027, and every dated link below opens that exact OPO–SIN search on Skyscanner. At 27% under the €793 we normally record here, it is one of the strongest OPO–SIN fares in our index. Across 66 recorded checks it has ranged between €563 and €896. Our sampling points to January 2027 as the cheapest month to fly Porto to Singapore.
Porto to Singapore flights: common questions
How much is a flight from Porto to Singapore?
The lowest return fare we currently track from Porto (OPO) to Singapore (SIN) is €578. The typical price on this route is €793, so anything near €578 is worth booking quickly. Over 66 recorded checks we have seen it as low as €563 and as high as €896.
Which airline flies from Porto to Singapore at this price?
This €578 fare is with Turkish Airlines, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from Porto to Singapore?
This €578 fare includes at least one connection. If you need a non-stop Porto to Singapore flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from Porto to Singapore?
Our price sampling points to January 2027 as the cheapest departure month on this route. The dated links on this page cover January 2027.
Is the €578 Porto to Singapore fare still available?
We last confirmed this €578 fare against live Skyscanner availability 2 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this Porto to Singapore deal?
Pick a date pair above or press Check live price. That opens the exact OPO–SIN search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every Porto to Singapore price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Porto to Singapore is often still worth booking within a day or two of the fare we found.