Cheapest return flights from Keflavik to Oslo in March from $160

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

Return flights

31 Mar - 21 Apr Norwegian direct
31 Mar - 14 Apr Norwegian direct
31 Mar - 12 Apr Norwegian direct
31 Mar - 16 Apr Norwegian direct
29 Mar - 14 Apr Norwegian direct
29 Mar - 16 Apr Norwegian direct
31 Mar - 09 Apr Norwegian direct
29 Mar - 12 Apr Norwegian direct
29 Mar - 09 Apr Norwegian direct
31 Mar - 02 Apr Norwegian direct
17 Mar - 21 Mar Wizz Air
19 Mar - 23 Mar easyJet
15 Mar - 18 Mar Wizz Air
22 Mar - 24 Mar Wizz Air
08 Mar - 11 Mar Wizz Air
12 Mar - 15 Mar easyJet
12 Mar - 14 Mar Wizz Air
29 Mar - 31 Mar Norwegian direct
13 Mar - 15 Mar Wizz Air Malta
16 Mar - 24 Mar easyJet

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

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