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Did you mean flights from Porto to Asmara?
Eritrea
Asmara International Airport
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Portugal
Francisco Sá Carneiro Airport
At present, there are no direct flights from Asmara to Porto.
However, there are several flights from ASM to OPO with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from ASM to OPO, and to see what flight schedules are available.
In Porto, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Porto is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

Currently, there is only one airline that covers the full route (with 1 stopover) from Asmara ASM to Porto OPO, which is Turkish Airlines.
All other flights from Asmara to Porto are operated by a combination of multiple carriers, which are listed below:
Star Alliance is the only alliance that covers the full route (with 1 stopover) from Asmara ASM to Porto OPO.
You can fly the full journey from ASM to OPO in either Economy or Business Class. Premium Economy and First Class are not available on this route, at least not on the full route with just 1 stopover.
In total there are 3 aircraft types that cover the full route from Asmara to Porto. These aircrafts are:
All other flights from Asmara to Porto are operated by a combination of multiple aircraft types.
The distance between Asmara and Porto is 3,353 miles (5,396 kilometers).
However, because there are no direct flights between ASM and OPO, the full journey covers a distance of 3,821 miles (6,149 kilometers).
Flights between Asmara and Porto take 9 hours and 25 minutes.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Porto: Francisco Sá Carneiro Airport (OPO).
Flights between Asmara and Porto take 9 hours and 25 minutes.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between ASM and OPO, the full journey covers a total distance of 3,821 miles (6,149 kilometers).
Turkish Airlines is the only airline flying the full route from Asmara to Porto.
operate several connecting flights, but only partly.
Star Alliance is currently the only alliance flying from Asmara to Porto.
You can fly the full route from Asmara to Porto (with 1 stopover) in Economy and Business Class.
Aircraft types that fly the full route from Asmara to Porto (with 1 stopover):
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