Cheapest return flights from Keflavik to Lisbon in March from $123

Best time to book flights for Keflavik (KEF) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Keflavik (KEF) to Lisbon (LIS) in March 2025 (see full year).

Return flights

20 Mar - 29 Mar easyJet
14 Mar - 21 Mar easyJet
28 Mar - 04 Apr easyJet
31 Mar - 31 Mar Fly Play
28 Mar - 04 Apr Fly Play direct
14 Mar - 21 Mar Fly Play direct

Also check the deals for one-way flights from Keflavik to Lisbon in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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