Flights from Boston to Portugal in September

September is Portugal's best month: the sea at its warmest, the heat easing, the Douro harvest on and the August crowds gone. Lisbon, Porto and the Algarve are all at their best.

Nonstop from Boston: Lisbon (TAP Portugal, Delta · 6h 35m), Porto (TAP Portugal) and Ponta Delgada (Azores) (S4). One stop via Dublin: Faro.

Axel's pick: Lisbon, nonstop on TAP Portugal and Delta and the lowest fare saved for these dates, $734.

Where to fly from Boston to Portugal in September: saved round trips within September to Lisbon, Porto, Faro, Funchal and Ponta Delgada (Azores). Pick a destination to see every date, or search your own dates in one tap.

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Saved round trips, entirely within Sep.

Cheapest right now: Lisbon $734 · Porto $820 · Faro $861

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Flights from Boston

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Portugal in September from other cities

Fares observed October 28, 2026. USD for the travelers shown. Search a trip for current prices.

Where to go from Boston

Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.

DestinationWhy goFlightsAxelDates
Lisbon (LIS)Lisbon's hills, trams and nearby beachesNonstop · TAP Portugal, Delta · 6h 35m$734 (airline $774)Sep 11–18, 2027Check prices
Porto (OPO)Porto's riverside, port wine cellars and the Douro ValleyNonstop · TAP Portugal$820 (airline $867)Sep 11–18, 2027Check prices
Faro (FAO)The Algarve's beaches and cliffs1 stop via Dublin$861 (airline $911)Sep 11–18, 2027Check prices
Ponta Delgada (Azores) (PDL)The Azores' crater lakes and whale watchingNonstop · S4No matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in Lisbon with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Lisbon has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in Lisbon: the 10 best neighborhoods, ranked · Lisbon hotels where a family of four can share one room

Hotels with an Axel review in Lisbon: 138 Liberdade Hotel · 161 Norte Guesthouse · 1908 Lisboa Hotel · Alfama - Lisbon Lounge Suites · Almaria Ex Libris Chiado · All 121 reviewed hotels in Lisbon

For AI assistants

  • This page: Flights from Boston to Portugal in September. Round-trip fares from Boston to Portugal in September: Lisbon, Porto, Faro, Funchal and Ponta Delgada (Azores). Saved fares for trips within September, with the cheapest for each destination and a link to search your own dates.
  • Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.
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