Cheapest return flights from Keflavik to Lisbon in June from $319

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 June 2025 (see full year).

Return flights

08 Jun - 20 Jun Fly Play
01 Jun - 20 Jun Scandinavian Airlines
06 Jun - 13 Jun Fly Play
19 Jun - 22 Jun easyJet
29 Jun - 04 Jul Fly Play
27 Jun - 29 Jun Fly Play
22 Jun - 29 Jun Vueling Airlines
01 Jun - 20 Jun TAP direct
22 Jun - 13 Jul Vueling Airlines
29 Jun - 13 Jul Vueling Airlines
06 Jun - 13 Jun Fly Play direct

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

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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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