San Francisco Bay Area to Porto (OPO) flight deals
Compare San Francisco Bay Area to Porto (OPO) flights across upcoming months. See dated fares below, or choose your own dates and travelers.
Fare examples by month
Round-trip totals · Economy · USD. Choose a month to see the dates.
| Month | Travelers / trip length | Axel Member | Airline fare |
|---|---|---|---|
| October 2026 | 1 adult · 14 days | $546–$1,155 | $609–$1,295 |
| November 2026 | 1 adult · 14 days | $587–$950 | $659–$1,061 |
| December 2026 | 1 adult · 14 days | $624–$2,722 | $693–$3,041 |
| January 2027 | 1 adult · 14 days | $547 | $615 |
Flights from San Francisco Bay Area · San Francisco Bay Area to Europe flight deals · San Francisco Bay Area to Portugal flight deals
Fares observed September 22 – 24, 2026. USD for the travelers shown. Search a trip for current prices. For starting totals, choose a return flight to confirm the final price.
October 2026
1 adult · Economy · Round-trip totals
| From | Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Oct 6–20, 2026 · 14 days | 2 stops / 2 stops · 17h 59m / 19h 32m | $1,155 · Save $140 | $1,295 | Check Axel prices |
| SFO | Oct 20–Nov 3, 2026 · 14 days | 1 stop / 1 stop · 14h 45m / 14h 45m | $546 · Save $63 | $609 | Check Axel prices |
November 2026
1 adult · Economy · Round-trip totals
| From | Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Nov 6–20, 2026 · 14 days | 1 stop / 1 stop · 17h 15m / 14h 45m | $587 · Save $72 | $659 | Check Axel prices |
| SFO | Nov 20–Dec 4, 2026 · 14 days | 2 stops / 1 stop · 20h 30m / 19h 24m | $890 · Save $109 | $999 | Check Axel prices |
| SFO | Nov 20–Dec 4, 2026 · 14 days | 2 stops / 1 stop · 20h 30m / 15h 35m | $950 · Save $111 | $1,061 | Check Axel prices |
December 2026
1 adult · Economy · Round-trip totals
| From | Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Dec 6–20, 2026 · 14 days | 2 stops / 1 stop · 18h 55m / 28h 20m | $624 · Save $69 | $693 | Check Axel prices |
| SFO | Dec 6–20, 2026 · 14 days | 2 stops / 1 stop · 18h 55m / 15h 40m | $841 · Save $97 | $938 | Check Axel prices |
| SFO | Dec 20, 2026–Jan 3, 2027 · 14 days | 2 stops / 2 stops · 25h 31m / 35h 36m | $1,784 · Save $214 | $1,998 | Check Axel prices |
| SFO | Dec 20, 2026–Jan 3, 2027 · 14 days | 2 stops / 1 stop · 25h 31m / 15h 35m | $2,722 · Save $319 | $3,041 | Check Axel prices |
January 2027
1 adult · Economy · Round-trip starting totals
| From | Travel dates | Outbound flight | Axel Member | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Jan 6–20, 2027 · 14 days | 2 stops · 17h 30m | From $576 · Save $68 | From $644 | Check Axel prices |
| SFO | Jan 6–20, 2027 · 14 days | 1 stop · 14h 0m | From $1,037 · Save $127 | From $1,164 | Check Axel prices |
1 adult · Economy · Round-trip totals
| From | Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Jan 20–Feb 3, 2027 · 14 days | 2 stops / 2 stops · 17h 26m / 19h 37m | $547 · Save $68 | $615 | Check Axel prices |
Non-members can also book and save on airline fares. Live search shows prices with and without Membership. Optional Membership: $15 for the first month, then $10/month. Cancel anytime.
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