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

Return flights

30 Apr - 08 May	Air Europa
19 Apr - 25 Apr	Air Europa
17 Apr - 19 Apr	Lufthansa	direct
23 Apr - 27 Apr	Ryanair
23 Apr - 27 Apr	Lufthansa	direct
25 Apr - 17 May	Air Europa
07 Apr - 10 Apr	Iberia
24 Apr - 10 May	SWISS
30 Apr - 17 May	Air Europa
29 Apr - 03 May	Air Europa
30 Apr - 08 May	Lufthansa	direct
02 Apr - 09 Apr	Iberia
05 Apr - 10 Apr	TAP
02 Apr - 10 Apr	Iberia
01 Apr - 11 Apr	Lufthansa
30 Apr - 17 May	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Porto in April.

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 April from $210

Return flights