AirHint found the following cheapest return flights from Keflavik (KEF) to Tenerife (TFS) in April 2026 (see full year).

Return flights

21 Apr - 01 May	easyJet
08 Apr - 23 Apr	easyJet
29 Apr - 04 May	easyJet
16 Apr - 23 Apr	easyJet
24 Apr - 08 May	easyJet
01 Apr - 18 Apr	easyJet
30 Apr - 05 May	Transavia France
08 Apr - 23 Apr	Icelandair	direct
01 Apr - 06 Apr	easyJet
30 Apr - 05 May	Icelandair	direct
24 Apr - 08 May	Icelandair	direct
21 Apr - 01 May	Icelandair	direct
01 Apr - 18 Apr	Icelandair	direct

Also check the deals for one-way flights from Keflavik to Tenerife in April.

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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Cheapest return flights from Keflavik to Tenerife in April from $329

Return flights