Icelandair

Flights from Keflavík International Airport to Lisbon

KEF LIS · Portugal

From

£445

return · 1 adult · economy

Operated by

Icelandair

Shortest outbound

8h 10m

Direct option

No (connecting only)

Live offers

Sample sail-date: 2026-10-10 outbound · 2026-10-17 return. Prices refresh daily.

How long is a flight from Keflavík International Airport to Lisbon with Icelandair?: The shortest current offer is 8h 10m outbound from KEF to LIS. On the sample dates we only see connecting options — try other dates for direct flights.
Does Icelandair fly direct from KEF to LIS?: Not on these sample dates — the cheapest offers we see are connecting flights. Direct service may exist on other dates.
How much does a Icelandair ticket from KEF to LIS cost?: The cheapest return economy fare we found today is £445 for 1 adult, based on sample dates 2026-10-10 → 2026-10-17. Prices change daily — run the live search for current fares.