AirHint found the following cheapest return flights from Frankfurt (FRA) to Porto (OPO) in March 2026 (see full year).

Return flights

16 Mar - 20 Mar	Ryanair	direct
02 Mar - 20 Mar	Ryanair	direct
13 Mar - 20 Mar	Ryanair	direct
25 Mar - 28 Mar	Lufthansa	direct
13 Mar - 15 Mar	Lufthansa	direct
02 Mar - 08 Mar	Lufthansa	direct
15 Mar - 18 Mar	Air Europa
27 Mar - 10 Apr	easyJet
27 Mar - 07 Apr	easyJet
30 Mar - 05 Apr	KLM
28 Mar - 03 Apr	Lufthansa	direct
15 Mar - 18 Mar	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Porto 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 Frankfurt to Porto in March from 124€

Return flights