Cheap flights from Porto to Mainz

View AU$144 flight on Thu, 21 May 2026Opens in a new window

Popular airlines from Porto to Mainz

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Cheap Flights from Porto (OPO) to Mainz (FRA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Wed, 24 Dec. - Wed, 31 Dec.
OPO
Porto
FRA
Frankfurt
AU$404 Return, found 1 day ago
AU$404
Return
found 1 day ago
Select Air Europa flight, departing Wed, 24 Dec. from Porto to Frankfurt, returning Wed, 31 Dec., priced at AU$404 found 1 day ago
Air Europa
Tue, 2 Sep. - Tue, 9 Sep.
OPO
Porto
FRA
Frankfurt
AU$428 Return, found 5 days ago
AU$428
Return
found 5 days ago
Select Air Europa flight, departing Tue, 2 Sep. from Porto to Frankfurt, returning Tue, 9 Sep., priced at AU$428 found 5 days ago
KLM
Tue, 23 Dec. - Wed, 31 Dec.
OPO
Porto
FRA
Frankfurt
AU$486 Return, found 1 day ago
AU$486
Return
found 1 day ago
Select KLM flight, departing Tue, 23 Dec. from Porto to Frankfurt, returning Wed, 31 Dec., priced at AU$486 found 1 day ago
TAP Portugal
Mon, 22 Dec. - Tue, 30 Dec.
OPO
Porto
FRA
Frankfurt
AU$502 Return, found 1 day ago
AU$502
Return
found 1 day ago
Select TAP Portugal flight, departing Mon, 22 Dec. from Porto to Frankfurt, returning Tue, 30 Dec., priced at AU$502 found 1 day ago
Lufthansa
Thu, 11 Sep. - Mon, 15 Sep.
OPO
Porto
FRA
Frankfurt
AU$545 Return, found 1 day ago
AU$545
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 11 Sep. from Porto to Frankfurt, returning Mon, 15 Sep., priced at AU$545 found 1 day ago
Iberia
Thu, 11 Sep. - Mon, 15 Sep.
OPO
Porto
FRA
Frankfurt
AU$551 Return, found 1 day ago
AU$551
Return
found 1 day ago
Select Iberia flight, departing Thu, 11 Sep. from Porto to Frankfurt, returning Mon, 15 Sep., priced at AU$551 found 1 day ago

Find the cheapest month to fly from Porto (OPO) to Frankfurt (FRA)

May is typically the cheapest month to fly

From AU$212 - AU$519 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.