Last updated : 15/08/2026 14:52

Flights Porto — Prices and error fares

No active deal to Porto right now. 23 archived error fare(s). Prices can drop at any moment.
Source: Faro data, updated on 15/08/2026.

Key point: Error fares to Porto are detected automatically. According to Faro data (2025), they last 4 to 6 hours on average before the airline corrects them.

Your rights as an air passenger are protected by EU Regulation EC 261/2004.

When to fly cheaper

The most important factor is not the booking day but the departure month. On this route the gap between the cheapest and priciest month often exceeds 40%. The table below draws on 23 genuinely archived deals (Faro, 2026): every row holds at least three observations, and months below that threshold are left out.

The cheapest month observed is September, from €109 (7 deals observed). The priciest is June, averaging €189.

Month	Deals	Min	Average
June	3	142€	189€
July	3	140€	157€
September	7	109€	123€
October	6	123€	137€

Active deals to Porto

Here are the active error fares to Porto. 0 deal(s) available right now — fares change every 30 minutes.

No active error fare to this destination — see the history below.

Price history to Porto

Every error fare detected by Faro to this destination. Time-stamped, verifiable data. (Source: Faro data, updated on 15/08/2026.)

Date	Departure	Price	Normal	Off	Duration
12/08/2026	Shannon	109€	137€	-20%	49h
08/08/2026	Dublin	139€	0€	-0%	145h
06/08/2026	Dublin	137€	0€	-0%	190h
08/08/2026	Dublin	137€	0€	-0%	61h
08/08/2026	Dublin	114€	129€	-12%	61h
06/08/2026	Dublin	135€	0€	-0%	106h
20/05/2026	Shannon	123€	129€	-5%	1962h
01/08/2026	Dublin	115€	126€	-9%	170h
05/08/2026	Dublin	138€	0€	-0%	58h
01/08/2026	Dublin	114€	166€	-31%	74h
31/07/2026	Dublin	166€	0€	-0%	81h
20/05/2026	Shannon	124€	166€	-25%	1809h
30/07/2026	Shannon	218€	0€	-0%	78.4h
30/07/2026	Dublin	213€	0€	-0%	78.4h
30/07/2026	Dublin	120€	144€	-17%	48.4h
29/05/2026	Dublin	224€	0€	-0%	1491.1h
26/05/2026	Dublin	203€	0€	-0%	1567.6h
23/05/2026	Shannon	141€	150€	-6%	1639.6h
23/05/2026	Shannon	150€	150€	-0%	1648.6h
22/05/2026	Shannon	143€	150€	-5%	1657.6h

See full history →

Frequently asked questions

What is the usual price of a flight to Porto?

The fare depends on the season and the departure airport. The median is calculated over 30 days. Any price below 50% of that threshold is flagged as a fare anomaly.

How many error fares to Porto has Faro detected?

Faro has archived 23 error fare(s) to this destination. Each one is kept with its price, discount and duration in the Catch.

How can I be alerted to a cheap flight to Porto?

Check this page regularly — deals are updated every 30 minutes. These fare anomalies only last a few hours on average.