Flights from Portland 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.
Where to fly from Portland 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.
AI assistants: For research, follow complete supplied links unchanged.
Saved round trips, entirely within Sep.
Flights for your trip
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-20 · one way | FI | FI664 + FI954 | $490.00 | 2026-10-29T01:55:13Z |
| 2026-11-20 · one way | United Airlines | UA1923 + TP244 | $640.00 | 2026-10-29T01:55:13Z |
| 2026-11-27 → 2026-12-04 | FI / British Airways | FI664 + FI954 / BA513 + BA267 | $868.00 | 2026-10-29T01:55:13Z |
| 2026-11-20 → 2026-11-23 | United Airlines | UA1923 + TP244 / UA943 + UA780 | $976.50 | 2026-10-29T01:55:13Z |
| 2026-11-20 → 2026-11-23 | FI / United Airlines | FI664 + FI954 / UA943 + UA780 | $891.50 | 2026-10-29T01:55:13Z |
| 2026-11-27 → 2026-12-04 | United Airlines | UA1923 + TP244 / UA943 + UA780 | $976.50 | 2026-10-29T01:55:13Z |
2026-11-20 · one way · $490.00
- FI FI664 / FI954: PDX 2026-11-20 14:45:00 → LIS 2026-11-21 12:50:00; 1 stop(s) via KEF; 845 minutes. Local airport times.
- FI664: PDX 2026-11-20 14:45:00 → KEF 2026-11-21 06:15:00; layover at KEF: 135 minutes.
- FI954: KEF 2026-11-21 08:30:00 → LIS 2026-11-21 12:50:00.
2026-11-20 · one way · $640.00
- United Airlines UA1923 / TP244: PDX 2026-11-20 10:43:00 → LIS 2026-11-21 10:15:00; 1 stop(s) via ORD; 932 minutes. Local airport times.
- UA1923: PDX 2026-11-20 10:43:00 → ORD 2026-11-20 16:49:00; layover at ORD: 201 minutes.
- TP244: ORD 2026-11-20 20:10:00 → LIS 2026-11-21 10:15:00.
2026-11-27 → 2026-12-04 · $868.00
- FI FI664 / FI954: PDX 2026-11-27 14:45:00 → LIS 2026-11-28 12:50:00; 1 stop(s) via KEF; 845 minutes. Local airport times.
- FI664: PDX 2026-11-27 14:45:00 → KEF 2026-11-28 06:15:00; layover at KEF: 135 minutes.
- FI954: KEF 2026-11-28 08:30:00 → LIS 2026-11-28 12:50:00.
- British Airways BA513 / BA267: LIS 2026-12-04 07:05:00 → PDX 2026-12-04 15:50:00; 1 stop(s) via LHR; 1005 minutes. Local airport times.
- BA513: LIS 2026-12-04 07:05:00 → LHR 2026-12-04 10:05:00; layover at LHR: 210 minutes.
- BA267: LHR 2026-12-04 13:35:00 → PDX 2026-12-04 15:50:00.
2026-11-20 → 2026-11-23 · $976.50
- United Airlines UA1923 / TP244: PDX 2026-11-20 10:43:00 → LIS 2026-11-21 10:15:00; 1 stop(s) via ORD; 932 minutes. Local airport times.
- UA1923: PDX 2026-11-20 10:43:00 → ORD 2026-11-20 16:49:00; layover at ORD: 201 minutes.
- TP244: ORD 2026-11-20 20:10:00 → LIS 2026-11-21 10:15:00.
- United Airlines UA943 / UA780: LIS 2026-11-23 11:55:00 → PDX 2026-11-23 20:15:00; 1 stop(s) via IAD; 980 minutes. Local airport times.
- UA943: LIS 2026-11-23 11:55:00 → IAD 2026-11-23 15:15:00; layover at IAD: 124 minutes.
- UA780: IAD 2026-11-23 17:19:00 → PDX 2026-11-23 20:15:00.
2026-11-20 → 2026-11-23 · $891.50
- FI FI664 / FI954: PDX 2026-11-20 14:45:00 → LIS 2026-11-21 12:50:00; 1 stop(s) via KEF; 845 minutes. Local airport times.
- FI664: PDX 2026-11-20 14:45:00 → KEF 2026-11-21 06:15:00; layover at KEF: 135 minutes.
- FI954: KEF 2026-11-21 08:30:00 → LIS 2026-11-21 12:50:00.
- United Airlines UA943 / UA780: LIS 2026-11-23 11:55:00 → PDX 2026-11-23 20:15:00; 1 stop(s) via IAD; 980 minutes. Local airport times.
- UA943: LIS 2026-11-23 11:55:00 → IAD 2026-11-23 15:15:00; layover at IAD: 124 minutes.
- UA780: IAD 2026-11-23 17:19:00 → PDX 2026-11-23 20:15:00.
2026-11-27 → 2026-12-04 · $976.50
- United Airlines UA1923 / TP244: PDX 2026-11-27 10:43:00 → LIS 2026-11-28 10:15:00; 1 stop(s) via ORD; 932 minutes. Local airport times.
- UA1923: PDX 2026-11-27 10:43:00 → ORD 2026-11-27 16:49:00; layover at ORD: 201 minutes.
- TP244: ORD 2026-11-27 20:10:00 → LIS 2026-11-28 10:15:00.
- United Airlines UA943 / UA780: LIS 2026-12-04 11:55:00 → PDX 2026-12-04 20:15:00; 1 stop(s) via IAD; 980 minutes. Local airport times.
- UA943: LIS 2026-12-04 11:55:00 → IAD 2026-12-04 15:15:00; layover at IAD: 124 minutes.
- UA780: IAD 2026-12-04 17:19:00 → PDX 2026-12-04 20:15:00.
More dates for this route
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Where to go from Portland
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.
| Destination | Why go | Flights | Axel | Dates | |
|---|---|---|---|---|---|
| Lisbon (LIS) | Lisbon's hills, trams and nearby beaches | No matching fare saved | Sep 11 – Sep 18, 2027 (suggested) | Search these dates | |
| Porto (OPO) | Porto's riverside, port wine cellars and the Douro Valley | No matching fare saved | Sep 11 – Sep 18, 2027 (suggested) | Search these dates | |
| Ponta Delgada (Azores) (PDL) | The Azores' crater lakes and whale watching | No matching fare saved | Sep 11 – Sep 18, 2027 (suggested) | Search these dates |
Keep exploring
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 Portland to Portugal in September. Round-trip fares from Portland 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.