$231+ Cheap flights from Fremont, CA to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Feb 28 — Mar 71
1 adult, Economy
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Cheapest flights from Fremont to PortugalExplore the most affordable flight options available from Fremont to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Fremont to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:10 pm
SFO
- OPO
1 stop15h 50m
TAP AIR PORTUGAL
Sat 3/146:55 am
OPO
- SFO
1 stop15h 50m
TAP AIR PORTUGAL
Deal found 1/26![TAP AIR PORTUGAL logo]()
$431
This lol.travel deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:35 pm
SFO
- FAO
1 stop23h 15m
TAP AIR PORTUGAL
Tue 2/174:35 pm
FAO
- SFO
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$431
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:10 pm
SFO
- OPO
1 stop18h 50m
TAP AIR PORTUGAL
Tue 3/248:00 pm
OPO
- SFO
1 stop26h 30m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$432
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:10 pm
SFO
- FAO
1 stop20h 40m
TAP AIR PORTUGAL
Fri 3/206:05 am
FAO
- SFO
1 stop18h 00m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$432
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- FAO
1 stop19h 55m
TAP AIR PORTUGAL
Tue 5/56:05 am
FAO
- SFO
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$433
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:35 pm
SFO
- OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 3/12:50 pm
OPO
- SFO
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 1/28![TAP AIR PORTUGAL logo]()
$449
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:35 pm
SFO
- OPO
1 stop17h 40m
TAP AIR PORTUGAL
Tue 2/2410:15 pm
OPO
- SFO
1 stop24h 15m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$450
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:35 pm
SFO
- OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 2/228:00 pm
OPO
- SFO
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$451
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:35 pm
SFO
- OPO
1 stop34h 00m
TAP AIR PORTUGAL
Sun 3/158:00 pm
OPO
- SFO
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:35 pm
SFO
- OPO
1 stop15h 40m
TAP AIR PORTUGAL
Thu 4/239:00 am
OPO
- SFO
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$459
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:55 pm
SFO
- FNC
1 stop20h 15m
TAP AIR PORTUGAL
Wed 5/137:20 pm
FNC
- SFO
1 stop29h 15m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$473
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:55 pm
SFO
- FNC
1 stop20h 15m
TAP AIR PORTUGAL
Tue 5/125:50 am
FNC
- SFO
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$491
Best flights from Fremont to PortugalDiscover carefully curated flight deals from Fremont to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
Discover carefully curated flight deals from Fremont to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:10 pm
SFO
- FAO
1 stop20h 40m
TAP AIR PORTUGAL
Fri 3/206:05 am
FAO
- SFO
1 stop18h 00m
TAP AIR PORTUGAL
Deal found 1/28![TAP AIR PORTUGAL logo]()
$432
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:15 pm
SFO
- LIS
2 stops20h 15m
Delta
Wed 3/185:00 am
LIS
- SFO
2 stops18h 04m
Delta
Deal found 1/28![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Mon 4/207:25 am
LIS
- SFO
1 stop37h 15m
United Airlines
Deal found 1/27![United Airlines logo]()
$514
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:10 am
SFO
- LIS
1 stop15h 50m
KLM
Sun 3/811:25 am
LIS
- SFO
1 stop32h 25m
KLM
Deal found 1/26![KLM logo]()
$515
This SWISS deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:25 pm
SFO
- LIS
1 stop32h 20m
SWISS
Mon 3/23:25 pm
LIS
- SFO
1 stop33h 05m
SWISS
Deal found 1/29![SWISS logo]()
$547
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:40 pm
SFO
- FAO
1 stop34h 10m
Scandinavian Airlines
Sun 3/2210:55 am
FAO
- SFO
2 stops35h 40m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$617
This Turkish Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:50 pm
SFO
- OPO
1 stop36h 20m
Turkish Airlines
Tue 4/74:40 pm
OPO
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 1/28![Turkish Airlines logo]()
$737
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:35 pm
SFO
- PDL
1 stop32h 35m
Multiple Airlines
Wed 3/119:30 am
PDL
- SFO
2 stops32h 47m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$830
This British Airways deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:50 am
SFO
- FNC
2 stops22h 20m
British Airways
Mon 5/257:00 pm
FNC
- SFO
2 stops30h 30m
British Airways
Deal found 1/29![British Airways logo]()
$833
This Ovago deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:30 pm
SFO
- FNC
2 stops33h 25m
Iberia
Wed 4/291:35 pm
FNC
- SFO
1 stop34h 35m
Iberia
Deal found 1/27![Iberia logo]()
$895
This Finnair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:28 pm
SFO
- FNC
2 stops42h 22m
Finnair
Mon 5/114:45 pm
FNC
- SFO
2 stops39h 09m
Finnair
Deal found 1/29![Finnair logo]()
$923
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:10 pm
SFO
- TER
1 stop32h 50m
TAP AIR PORTUGAL
Fri 3/2011:50 am
TER
- SFO
1 stop33h 55m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$500
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Wed 4/295:05 am
LIS
- SFO
1 stop15h 35m
United Airlines
Deal found 1/27![United Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:25 am
SFO
- LIS
1 stop17h 35m
Delta
Tue 4/711:55 am
LIS
- SFO
1 stop31h 50m
Delta
Deal found 1/29![Delta logo]()
$527
This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:25 pm
SFO
- FAO
1 stop14h 55m
SWISS
Thu 3/267:10 pm
FAO
- SFO
1 stop29h 20m
SWISS
Deal found 1/28![SWISS logo]()
$554
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:00 am
SFO
- LIS
2 stops20h 10m
United Airlines
Wed 3/2511:55 am
LIS
- SFO
2 stops28h 44m
United Airlines
Deal found 1/27![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:10 pm
SFO
- LIS
2 stops20h 40m
Delta
Mon 4/275:00 am
LIS
- SFO
2 stops20h 27m
Delta
Deal found 1/27![Delta logo]()
$528
This KLM deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:55 pm
SFO
- FAO
1 stop35h 40m
KLM
Sat 2/289:15 am
FAO
- SFO
1 stop34h 35m
KLM
Deal found 1/27![KLM logo]()
$584
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:40 pm
SFO
- LIS
1 stop17h 50m
United Airlines
Thu 4/25:05 am
LIS
- SFO
1 stop18h 20m
United Airlines
Deal found 1/29![United Airlines logo]()
$517
This Scandinavian Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:03 pm
SFO
- OPO
2 stops41h 52m
Scandinavian Airlines
Wed 3/1810:25 am
OPO
- SFO
1 stop36h 10m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$634
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:55 pm
SFO
- FAO
1 stop20h 30m
KLM
Sun 3/16:50 pm
FAO
- SFO
1 stop25h 00m
KLM
Deal found 1/29![KLM logo]()
$585
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:25 am
SFO
- LIS
1 stop17h 35m
Delta
Wed 4/85:00 am
LIS
- SFO
2 stops26h 57m
Delta
Deal found 1/29![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:40 pm
SFO
- LIS
1 stop17h 50m
United Airlines
Thu 4/212:20 pm
LIS
- SFO
2 stops26h 45m
United Airlines
Deal found 1/29![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:05 pm
SFO
- LIS
2 stops20h 45m
Delta
Mon 11/212:20 pm
LIS
- SFO
1 stop33h 05m
Delta
Deal found 1/27![Delta logo]()
$539
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:25 pm
SFO
- FAO
2 stops40h 45m
SWISS
Sun 3/18:45 am
FAO
- SFO
1 stop15h 45m
SWISS
Deal found 1/29![SWISS logo]()
$664
This Turkish Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:45 pm
SFO
- OPO
1 stop31h 00m
Turkish Airlines
Tue 4/74:40 pm
OPO
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 1/28![Turkish Airlines logo]()
$737
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:35 pm
SFO
- PDL
1 stop24h 10m
TAP AIR PORTUGAL
Mon 5/257:40 pm
PDL
- SFO
1 stop25h 55m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$684
This Turkish Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:45 pm
SFO
- OPO
1 stop36h 55m
Turkish Airlines
Tue 4/74:40 pm
OPO
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 1/28![Turkish Airlines logo]()
$737
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:55 pm
SFO
- PDL
1 stop20h 50m
TAP AIR PORTUGAL
Mon 5/187:40 pm
PDL
- SFO
1 stop25h 55m
TAP AIR PORTUGAL
Deal found 1/26![TAP AIR PORTUGAL logo]()
$703
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:35 pm
SFO
- SJZ
2 stops58h 05m
Multiple Airlines
Tue 2/2410:30 am
SJZ
- SFO
2 stops35h 00m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$885
Last-minute flights from Fremont to PortugalDiscover last-minute flight deals from Fremont to Portugal. Data last updated January 29, 2026 and is based on user searches.
Discover last-minute flight deals from Fremont to Portugal. Data last updated January 29, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:10 pm
SFO
- PDL
1 stop30h 15m
TAP AIR PORTUGAL
Fri 2/69:30 am
PDL
- SFO
1 stop36h 15m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$496
This lol.travel deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:35 pm
SFO
- FAO
1 stop23h 15m
TAP AIR PORTUGAL
Tue 2/174:35 pm
FAO
- SFO
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$431
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:45 am
SFO
- LIS
2 stops17h 25m
United Airlines
Wed 3/45:00 am
LIS
- SFO
2 stops22h 41m
United Airlines
Deal found 1/27![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/74:05 pm
SFO
- LIS
1 stop31h 55m
Delta
Tue 2/2411:25 am
LIS
- SFO
2 stops36h 26m
Delta
Deal found 1/28![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:55 pm
SFO
- LIS
1 stop16h 40m
Delta
Tue 2/175:00 am
LIS
- SFO
2 stops22h 56m
Delta
Deal found 1/28![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:30 pm
SFO
- LIS
1 stop26h 00m
United Airlines
Wed 3/45:00 am
LIS
- SFO
2 stops27h 15m
United Airlines
Deal found 1/27![United Airlines logo]()
$503
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:35 pm
SFO
- OPO
1 stop17h 40m
TAP AIR PORTUGAL
Tue 2/2410:15 pm
OPO
- SFO
1 stop24h 15m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$450
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:35 pm
SFO
- OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 2/228:00 pm
OPO
- SFO
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$451
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:35 pm
SFO
- OPO
1 stop18h 25m
TAP AIR PORTUGAL
Mon 3/26:55 am
OPO
- SFO
1 stop15h 40m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$432
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:35 pm
SFO
- OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 3/12:50 pm
OPO
- SFO
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 1/28![TAP AIR PORTUGAL logo]()
$449
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:50 am
SFO
- LIS
2 stops19h 25m
United Airlines
Tue 3/175:00 am
LIS
- SFO
2 stops22h 10m
United Airlines
Deal found 1/28![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:15 pm
SFO
- LIS
2 stops20h 15m
Delta
Wed 3/185:00 am
LIS
- SFO
2 stops18h 04m
Delta
Deal found 1/29![Delta logo]()
$507
One-way flights from Fremont to PortugalSearch for one-way flight options from Fremont to Portugal. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
Search for one-way flight options from Fremont to Portugal. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:35 pm
SFO
- LIS
1 stop37h 45m
SWISS
Deal found 1/27![SWISS logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:30 pm
SFO
- LIS
1 stop19h 40m
British Airways
Deal found 1/27![British Airways logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:35 pm
SFO
- LIS
1 stop22h 30m
British Airways
Deal found 1/27![British Airways logo]()
$235
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 1/29![British Airways logo]()
$237
This British Airways deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:20 pm
SFO
- LIS
1 stop19h 55m
British Airways
Deal found 1/28![British Airways logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 pm
SFO
- LIS
1 stop17h 40m
Lufthansa
Deal found 1/29![Lufthansa logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
SFO
- OPO
1 stop27h 10m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/174:35 pm
SFO
- LIS
1 stop22h 30m
British Airways
Deal found 1/27![British Airways logo]()
$253
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:55 pm
SFO
- LIS
2 stops28h 05m
Air Canada
Deal found 1/27![Air Canada logo]()
$254
This Gurufare deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:13 am
SFO
- LIS
2 stops29h 02m
British Airways
Deal found 1/26![British Airways logo]()
$259
This British Airways deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:30 pm
SFO
- FNC
1 stop38h 20m
British Airways
Deal found 1/28![British Airways logo]()
$266
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:50 pm
SFO
- LIS
2 stops38h 10m
Air Canada
Deal found 1/28![Air Canada logo]()
$268
Find flight deals from Fremont to Portugal
Keep the following information in mind while searching for Fremont to Portugal flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $431 (oojo) |
One-way from | $231 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $643 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fremont to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Fremont to Portugal that are best for you.
Fly from
Fremont
Fly to
Portugal
Route
Depart
Return
Price
San FranciscoFaro
SFO - FAO
SFOFAO
San Francisco
Fri 3/13
8:10 pm-11:50 pm
1 stop20h 40m
Faro
Fri 3/20
6:05 am-5:05 pm
1 stop18h 00m
$432
San FranciscoLajes
SFO - TER
SFOTER
San Francisco
Fri 3/13
8:10 pm-11:00 am
1 stop32h 50m
Lajes
Fri 3/20
11:50 am-3:45 pm
1 stop33h 55m
$500
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Tue 2/24
1:15 pm-5:30 pm
2 stops20h 15m
Lisbon Humberto Delgado
Wed 3/18
5:00 am-4:04 pm
2 stops18h 04m
$507
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Sun 4/12
9:05 pm-10:45 pm
1 stop17h 40m
Lisbon Humberto Delgado
Mon 4/20
7:25 am-12:40 pm
1 stop37h 15m
$514
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Mon 2/23
9:10 am-9:00 am
1 stop15h 50m
Lisbon Humberto Delgado
Sun 3/8
11:25 am-12:50 pm
1 stop32h 25m
$515
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Thu 4/23
9:05 pm-10:45 pm
1 stop17h 40m
Lisbon Humberto Delgado
Wed 4/29
5:05 am-12:40 pm
1 stop15h 35m
$516
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Tue 3/17
5:00 am-8:10 am
2 stops20h 10m
Lisbon Humberto Delgado
Wed 3/25
11:55 am-9:39 am
2 stops28h 44m
$517
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Sat 3/21
10:40 pm-11:30 pm
1 stop17h 50m
Lisbon Humberto Delgado
Thu 4/2
5:05 am-3:25 pm
1 stop18h 20m
$517
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Tue 3/24
10:40 pm-11:30 pm
1 stop17h 50m
Lisbon Humberto Delgado
Thu 4/2
12:20 pm-7:05 am
2 stops26h 45m
$521
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Tue 3/24
7:25 am-8:00 am
1 stop17h 35m
Lisbon Humberto Delgado
Tue 4/7
11:55 am-11:45 am
1 stop31h 50m
$527
Showing 1-10 of 60 results
Best time to book a flight from Fremont to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Fremont with our price prediction graph.
SFO-FAO
SFO-OPO
SFO-PDL
SFO-LIS
SFO-FNC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Fremont to Portugal
FR8-PT0
SFO-FAO
SFO-OPO
SFO-PDL
SFO-LIS
What is the cheapest month to book a flight from Fremont to Portugal?
Currently, March is the cheapest month in which you can book a flight from Fremont to Portugal (average of $468). Flying from Fremont to Portugal in June is currently the most expensive (average of $761). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from FR8 to PT?
Find hourly flight availability from Fremont to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.
When flying from Fremont to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and Air Canada from Fremont to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Fremont to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Fremont to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Fremont to Portugal
Discover the top 10 airlines that operate flights from Fremont to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$291 | Average$718 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$986 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$409 | Average$658 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$473 | Average$721 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$488 | Average$1,086 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$614 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$510 | Average$742 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$511 | Average$1,084 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$524 | Average$999 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$532 | Average$886 | FlexibilityNo cancel fee | On-time88% |