Cheapest return flights from Basel to Oslo in May from $127

Best time to book flights for Basel (BSL) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Basel (BSL) to Oslo (OSL) in May 2025 (see full year).

Return flights

22 May - 25 May Norwegian direct
08 May - 11 May Norwegian direct
08 May - 18 May Norwegian direct
08 May - 25 May Norwegian direct
08 May - 22 May Norwegian direct
11 May - 18 May Norwegian direct
11 May - 25 May Norwegian direct
11 May - 22 May Norwegian direct
22 May - 05 Jun Norwegian direct
22 May - 08 Jun Norwegian direct
15 May - 18 May Norwegian direct
15 May - 25 May Norwegian direct
25 May - 05 Jun Norwegian direct
15 May - 05 Jun Norwegian direct
25 May - 08 Jun Norwegian direct
25 May - 15 Jun Norwegian direct
22 May - 06 Jun Norwegian
22 May - 02 Jun Norwegian
29 May - 02 Jun KLM
29 May - 05 Jun Norwegian direct

Also check the deals for one-way flights from Basel to Oslo in May.

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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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