The cheapest month to fly to Porto is most often November — cheapest from 31% of the 42 origin cities we track, and an autumn month (Sep–Nov) is cheapest for 55% of them. It depends where you fly from; the cheapest right now are Madrid (from 41 EUR, July); Barcelona (from 47 EUR, December); Milan (from 50 EUR, November); Rome (from 62 EUR, January).
When is it cheapest to fly to Porto? Below is the cheapest month and round-trip fare from 42 origin cities, from Flightmussy's 12-month fare scans. Updated 2026-06-14.
| Route | Cheapest month | From | Yearly swing |
|---|---|---|---|
| Madrid → Porto | July 2026 | 41 EUR | 49% |
| Barcelona → Porto | December 2026 | 47 EUR | 56% |
| Milan → Porto | November 2026 | 50 EUR | 64% |
| Rome → Porto | January 2027 | 62 EUR | 43% |
| Gothenburg → Porto | June 2026 | 63 EUR | 70% |
| Paris → Porto | September 2026 | 65 EUR | 54% |
| Manchester → Porto | October 2026 | 66 EUR | 62% |
| Brussels → Porto | October 2026 | 70 EUR | 66% |
| Frankfurt → Porto | November 2026 | 76 EUR | 65% |
| London → Porto | July 2026 | 77 EUR | 56% |
| Edinburgh → Porto | June 2026 | 85 EUR | 36% |
| Vienna → Porto | November 2026 | 93 EUR | 53% |
| Hamburg → Porto | November 2026 | 95 EUR | 59% |
| Lisbon → Porto | November 2026 | 99 EUR | 0% |
| Stockholm → Porto | September 2026 | 101 EUR | 51% |
| Zurich → Porto | March 2027 | 103 EUR | 52% |
| Dublin → Porto | September 2026 | 105 EUR | 42% |
| Copenhagen → Porto | January 2027 | 107 EUR | 53% |
| Prague → Porto | January 2027 | 124 EUR | 28% |
| Amsterdam → Porto | November 2026 | 125 EUR | 40% |
| Berlin → Porto | December 2026 | 125 EUR | 40% |
| Budapest → Porto | November 2026 | 140 EUR | 19% |
| Athens → Porto | October 2026 | 149 EUR | 37% |
| Munich → Porto | January 2027 | 156 EUR | 27% |
| Helsinki → Porto | January 2027 | 182 EUR | 45% |
| Boston → Porto | October 2026 | 327 EUR | 55% |
| Toronto → Porto | June 2026 | 475 EUR | 16% |
| Miami → Porto | October 2026 | 482 EUR | 47% |
| New York → Porto | November 2026 | 506 EUR | 36% |
| Seoul → Porto | December 2026 | 520 EUR | 34% |
| Chicago → Porto | November 2026 | 539 EUR | 43% |
| San Francisco → Porto | November 2026 | 570 EUR | 44% |
| Vancouver → Porto | September 2026 | 585 EUR | 25% |
| Sao Paulo → Porto | November 2026 | 605 EUR | 29% |
| Washington → Porto | November 2026 | 638 EUR | 30% |
| Bogota → Porto | October 2026 | 664 EUR | 36% |
| Rio De Janeiro → Porto | November 2026 | 671 EUR | 28% |
| Cape Town → Porto | August 2026 | 686 EUR | 13% |
| Mexico City → Porto | August 2026 | 802 EUR | 12% |
| Buenos Aires → Porto | June 2026 | 890 EUR | 24% |
| Tokyo → Porto | February 2027 | 1130 EUR | 30% |
| Osaka → Porto | February 2027 | 1132 EUR | 33% |
Fares are round-trip estimates in EUR from 12-month scans — they change constantly; click any route to search live prices.
See also: the cheapest month to fly almost anywhere — Flightmussy's global fare-data study.
Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.
Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city: