Cheapest return flights from Lisbon to Keflavik in June from $280

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

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

Return flights

16 Jun - 23 Jun Vueling Airlines
27 Jun - 04 Jul Fly Play direct
27 Jun - 07 Jul Fly Play direct
20 Jun - 23 Jun Fly Play direct
09 Jun - 16 Jun Fly Play direct
10 Jun - 18 Jun easyJet
05 Jun - 15 Jun Ryanair
12 Jun - 16 Jun Ryanair
12 Jun - 20 Jun Ryanair
13 Jun - 20 Jun Volotea
09 Jun - 12 Jun TAP
10 Jun - 13 Jun Ryanair
30 Jun - 04 Jul Fly Play direct
24 Jun - 01 Jul easyJet

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik