AirHint found the following cheapest return flights from Basel (BSL) to Keflavik (KEF) in March 2026 (see full year).

Return flights

25 Mar - 29 Mar	easyJet
24 Mar - 29 Mar	easyJet
18 Mar - 26 Mar	easyJet
17 Mar - 26 Mar	easyJet
17 Mar - 25 Mar	easyJet
05 Mar - 19 Mar	easyJet
16 Mar - 19 Mar	easyJet
18 Mar - 25 Mar	easyJet
27 Mar - 29 Mar	easyJet
31 Mar - 14 Apr	easyJet	direct
14 Mar - 24 Mar	easyJet
31 Mar - 07 Apr	easyJet	direct
31 Mar - 05 Apr	Austrian Airlines
28 Mar - 04 Apr	Lufthansa
31 Mar - 05 Apr	easyJet	direct
27 Mar - 05 Apr	Austrian Airlines
31 Mar - 12 Apr	easyJet	direct
27 Mar - 06 Apr	Austrian Airlines
28 Mar - 06 Apr	Lufthansa

Also check the deals for one-way flights from Basel to Keflavik in March.

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 Basel to Keflavik in March from 92€

Return flights