AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in June 2026 (see full year).
Return flights
| 04 Jun - 14 Jun | Iberia | ||
| 04 Jun - 13 Jun | transavia | ||
| 04 Jun - 12 Jun | transavia | ||
| 25 Jun - 05 Jul | transavia | ||
| 04 Jun - 14 Jun | Icelandair | direct | |
| 25 Jun - 05 Jul | Icelandair | direct |
Also check the deals for one-way flights from Lisbon to Keflavik 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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