AirHint found the following cheapest one-way flights from Lisbon (LIS) to Keflavik (KEF) in April 2026 (see full year).
One-Way flights
| 23 Apr | easyJet | ||
| 24 Apr | easyJet | ||
| 18 Apr | easyJet | ||
| 04 Apr | easyJet | ||
| 30 Apr | Aer Lingus | ||
| 02 Apr | easyJet | ||
| 05 Apr | KLM | ||
| 02 Apr | TAP | direct | |
| 30 Apr | Icelandair | direct | |
| 23 Apr | Icelandair | direct |
Also check the deals for return flights from Lisbon to Keflavik in April.
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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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