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

Return flights

13 Mar - 16 Mar	Ryanair	direct
08 Mar - 16 Mar	easyJet
05 Mar - 13 Mar	Lufthansa	direct
04 Mar - 09 Mar	Lufthansa	direct
05 Mar - 08 Mar	Lufthansa	direct
08 Mar - 16 Mar	Lufthansa	direct
27 Mar - 31 Mar	easyJet
24 Mar - 09 Apr	Lufthansa	direct
30 Mar - 03 Apr	KLM
31 Mar - 10 Apr	KLM
31 Mar - 10 Apr	Lufthansa	direct
29 Mar - 05 Apr	KLM
29 Mar - 04 Apr	Lufthansa	direct
28 Mar - 03 Apr	Ryanair
27 Mar - 31 Mar	Lufthansa	direct
28 Mar - 11 Apr	Ryanair
29 Mar - 05 Apr	Lufthansa	direct
28 Mar - 11 Apr	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 148€

Return flights