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Did you mean flights from Porto to Reykjavik (Keflavik)?
Iceland
Keflavík International Airport
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Portugal
Francisco Sá Carneiro Airport
At present, there are no direct flights from Reykjavik (Keflavik) to Porto.
However, there are several flights from KEF to OPO with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from KEF 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.

In total there are 5 airlines that cover the full route from Reykjavik (Keflavik) KEF to Porto OPO. These airlines are:
All other flights from Reykjavik (Keflavik) to Porto are operated by a combination of multiple carriers, which are listed below:
Oneworld is the only alliance that covers the full route (with 1 stopover) from Reykjavik (Keflavik) KEF to Porto OPO.
You can fly the full journey from KEF 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 8 aircraft types that cover the full route from Reykjavik (Keflavik) to Porto. These aircrafts are:
All other flights from Reykjavik (Keflavik) to Porto are operated by a combination of multiple aircraft types.
The distance between Reykjavik (Keflavik) and Porto is 1,669 miles (2,686 kilometers).
However, because there are no direct flights between KEF and OPO, the distance of the full journey varies between 1,778 and 2,150 miles (or 2,861 and 3,460 kilometers), depending on your stopover airport.
Flights from Reykjavik (Keflavik) to Porto take from 5 hours up to 6 hours, depending on your stopover airport.
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).
From 5 hours up to 6 hours, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between KEF and OPO, the total distance of the full journey varies between 1,778 and 2,150 miles (or 2,861 and 3,460 kilometers), depending on your stopover airport.
easyJet, Jet2, Iberia, Transavia and Transavia are flying the full route from Reykjavik (Keflavik) to Porto.
Icelandair, Ryanair, TAP Portugal, Ryanair UK, British Airways, Ethiopian Airlines, Air Europa, Air France, KLM, Brussels Airlines and Swiss operate several connecting flights, but only partly.
Oneworld is currently the only alliance flying from Reykjavik (Keflavik) to Porto.
You can fly the full route from Reykjavik (Keflavik) to Porto (with 1 stopover) in Economy and Business Class.
Aircraft types that fly the full route from Reykjavik (Keflavik) to Porto (with 1 stopover):
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