Question : How many days should you spend in Porto?
Answer : Over the next two months, passengers from KEF to OPO are planning on staying for 13 days on average.
Question : Over the coming months, which airline is getting their passengers to Porto Airport (OPO) round-trip the cheapest?
Answer : Lufthansa is your best bet for finding that coveted low fare. They're offering fares as low as $433, while prices for other flights are as high as $623.
Question : How much should a trip from Reykjavik (KEF) to Porto (OPO) cost?
Answer : Flight prices are fluctuating much less for this route than most routes from Iceland, as they're ranging from $433 to $623. Prices tend to be lower the further out you book.