Cheapest return flights from Frankfurt to Oslo in April from $154

Best time to book flights for Frankfurt (FRA) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Oslo (OSL) in April 2025 (see full year).

Return flights

30 Apr - 07 May Ryanair
30 Apr - 05 May Ryanair
28 Apr - 30 Apr Ryanair
25 Apr - 27 Apr Ryanair
28 Apr - 01 May Ryanair
25 Apr - 28 Apr Air France
24 Apr - 28 Apr Air France
24 Apr - 30 Apr Ryanair
24 Apr - 15 May Air France
24 Apr - 05 May Air France
30 Apr - 15 May KLM
24 Apr - 27 Apr Air France
26 Apr - 27 Apr Air France
22 Apr - 29 Apr Ryanair
25 Apr - 01 May Air France
24 Apr - 01 May Air France
24 Apr - 30 Apr Lufthansa direct
23 Apr - 30 Apr Lufthansa direct
24 Apr - 15 May Lufthansa direct
25 Apr - 01 May Lufthansa direct

Also check the deals for one-way flights from Frankfurt to Oslo 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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