$317+ Cheap flights from San Diego (SAN) 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Cheapest flights from San Diego to PortugalExplore the most affordable flight options available from San Diego to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from San Diego to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
This KLM deal was found by Cheapflights users on 3/15. 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 3/167:00 am
SAN
- LIS
1 stop19h 00m
KLM
Wed 4/13:35 pm
LIS
- SAN
1 stop28h 15m
KLM
Deal found 3/15![KLM logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/13. 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 11/19:55 pm
SAN
- LIS
1 stop28h 20m
United Airlines
Thu 11/125:00 am
LIS
- SAN
2 stops36h 55m
United Airlines
Deal found 3/13![United Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 3/14. 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 3/167:00 am
SAN
- LIS
1 stop19h 00m
Delta
Wed 4/111:55 am
LIS
- SAN
1 stop31h 55m
Delta
Deal found 3/14![Delta logo]()
$598
This FlightHub deal was found by Cheapflights users on 3/16. 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.
Tue 4/711:00 am
SAN
- LIS
2 stops27h 45m
Lufthansa
Wed 4/226:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/16![Lufthansa logo]()
$606
This FlightHub deal was found by Cheapflights users on 3/13. 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.
Tue 4/74:21 pm
SAN
- LIS
2 stops22h 24m
Lufthansa
Thu 4/236:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$607
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/215:15 pm
SAN
- LIS
1 stop21h 30m
United Airlines
Tue 5/511:25 am
LIS
- SAN
2 stops36h 08m
United Airlines
Deal found 3/13![United Airlines logo]()
$610
This Air Canada deal was found by Cheapflights users on 3/13. 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.
Wed 11/1811:50 am
SAN
- LIS
2 stops37h 30m
Air Canada
Fri 12/45:00 am
LIS
- SAN
2 stops38h 13m
Air Canada
Deal found 3/13![Air Canada logo]()
$612
This Gurufare deal was found by Cheapflights users on 3/15. 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.
Thu 4/1611:00 am
SAN
- FAO
2 stops20h 05m
Lufthansa
Wed 4/223:55 pm
FAO
- SAN
1 stop31h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$673
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/166:20 am
SAN
- FAO
2 stops24h 10m
United Airlines
Wed 4/223:25 pm
FAO
- SAN
2 stops39h 05m
United Airlines
Deal found 3/15![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 8/56:35 am
SAN
- OPO
2 stops16h 20m
United Airlines
Wed 8/192:25 pm
OPO
- SAN
2 stops28h 50m
United Airlines
Deal found 3/13![United Airlines logo]()
$686
This KLM deal was found by Cheapflights users on 3/14. 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 4/281:40 pm
SAN
- OPO
1 stop20h 40m
KLM
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 3/14. 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 4/2810:05 am
SAN
- OPO
2 stops21h 25m
Delta
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/14![Delta logo]()
$712
Best flights from San Diego to PortugalDiscover carefully curated flight deals from San Diego to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from San Diego to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
This Delta deal was found by Cheapflights users on 3/12. 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 4/281:40 pm
SAN
- LIS
2 stops20h 10m
Delta
Sun 5/105:00 am
LIS
- SAN
2 stops23h 39m
Delta
Deal found 3/12![Delta logo]()
$620
This Gurufare deal was found by Cheapflights users on 3/15. 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.
Thu 4/1611:00 am
SAN
- FAO
2 stops20h 05m
Lufthansa
Wed 4/223:55 pm
FAO
- SAN
1 stop31h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$673
This KLM deal was found by Cheapflights users on 3/13. 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.
Thu 4/301:40 pm
SAN
- FAO
1 stop33h 30m
KLM
Mon 5/189:45 pm
FAO
- SAN
1 stop22h 05m
KLM
Deal found 3/13![KLM logo]()
$735
This Ovago deal was found by Cheapflights users on 3/17. 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.
Thu 4/164:41 pm
SAN
- FAO
2 stops18h 24m
Multiple Airlines
Wed 4/2211:45 am
FAO
- SAN
2 stops19h 48m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/302:14 pm
SAN
- FAO
2 stops40h 31m
United Airlines
Mon 5/1811:40 am
FAO
- SAN
2 stops20h 19m
United Airlines
Deal found 3/13![United Airlines logo]()
$833
This oojo deal was found by Cheapflights users on 3/15. 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 4/304:45 pm
SAN
- FAO
1 stop18h 20m
British Airways
Thu 5/77:55 pm
FAO
- SAN
1 stop29h 55m
British Airways
Deal found 3/15![British Airways logo]()
$874
This Delta deal was found by Cheapflights users on 3/14. 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 4/610:40 am
SAN
- LIS
2 stops23h 10m
Delta
Thu 4/169:50 am
LIS
- SAN
2 stops21h 16m
Delta
Deal found 3/14![Delta logo]()
$658
This oojo deal was found by Cheapflights users on 3/15. 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 6/113:30 pm
SAN
- PDL
2 stops35h 05m
WestJet
Sat 6/2011:00 am
PDL
- SAN
2 stops34h 10m
WestJet
Deal found 3/15![WestJet logo]()
$1,390
This KLM deal was found by Cheapflights users on 3/13. 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 9/81:40 pm
SAN
- OPO
1 stop24h 35m
KLM
Sat 9/195:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/13![KLM logo]()
$834
This Delta deal was found by Cheapflights users on 3/13. 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.
Sun 5/36:25 am
SAN
- LIS
2 stops20h 30m
Delta
Sat 5/235:00 am
LIS
- SAN
2 stops17h 57m
Delta
Deal found 3/13![Delta logo]()
$765
This United Airlines deal was found by Cheapflights users on 3/15. 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 6/86:20 am
SAN
- LIS
2 stops20h 40m
United Airlines
Thu 6/1811:25 am
LIS
- SAN
1 stop17h 14m
United Airlines
Deal found 3/15![United Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 3/17. 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 4/167:40 pm
SAN
- FAO
1 stop15h 25m
British Airways
Wed 4/228:00 pm
FAO
- SAN
1 stop26h 55m
British Airways
Deal found 3/17![British Airways logo]()
$922
This KLM deal was found by Cheapflights users on 3/14. 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.
Thu 9/101:40 pm
SAN
- LIS
1 stop37h 15m
KLM
Sat 9/195:00 am
LIS
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$878
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/306:20 am
SAN
- FAO
3 stops24h 10m
United Airlines
Thu 5/73:25 pm
FAO
- SAN
2 stops33h 59m
United Airlines
Deal found 3/15![United Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 3/16. 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 6/11:37 pm
SAN
- LIS
2 stops20h 13m
Delta
Fri 6/1212:45 pm
LIS
- SAN
1 stop15h 56m
Delta
Deal found 3/16![Delta logo]()
$846
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/67:40 pm
SAN
- LIS
3 stops29h 40m
United Airlines
Thu 4/165:05 am
LIS
- SAN
2 stops23h 07m
United Airlines
Deal found 3/14![United Airlines logo]()
$895
This KLM deal was found by Cheapflights users on 3/15. 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 9/11:40 pm
SAN
- LIS
1 stop16h 55m
KLM
Sat 9/265:00 am
LIS
- SAN
1 stop14h 50m
KLM
Deal found 3/15![KLM logo]()
$904
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:25 pm
SAN
- PDL
1 stop26h 55m
Multiple Airlines
Tue 4/212:05 pm
PDL
- SAN
2 stops38h 24m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$1,153
This Delta deal was found by Cheapflights users on 3/13. 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 9/81:05 pm
SAN
- LIS
2 stops20h 45m
Delta
Sat 9/195:35 am
LIS
- SAN
2 stops21h 19m
Delta
Deal found 3/13![Delta logo]()
$892
This KLM deal was found by Cheapflights users on 3/14. 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.
Thu 9/101:40 pm
SAN
- OPO
1 stop24h 35m
KLM
Sat 9/195:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$904
This United Airlines deal was found by Cheapflights users on 3/15. 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 9/106:55 pm
SAN
- OPO
2 stops28h 00m
United Airlines
Sat 9/199:00 am
OPO
- SAN
2 stops21h 27m
United Airlines
Deal found 3/15![United Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 3/12. 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.
Thu 9/1010:00 am
SAN
- OPO
2 stops21h 30m
Delta
Sat 9/195:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/12![Delta logo]()
$909
This KLM deal was found by Cheapflights users on 3/12. 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 7/72:00 pm
SAN
- OPO
2 stops17h 30m
KLM
Mon 7/2012:15 pm
OPO
- SAN
1 stop16h 33m
KLM
Deal found 3/12![KLM logo]()
$950
This United Airlines deal was found by Cheapflights users on 3/15. 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 7/1112:57 pm
SAN
- LIS
1 stop13h 38m
United Airlines
Sun 7/191:00 pm
LIS
- SAN
2 stops28h 59m
United Airlines
Deal found 3/15![United Airlines logo]()
$1,018
This Delta deal was found by Cheapflights users on 3/15. 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 6/21:37 pm
SAN
- OPO
2 stops17h 53m
Delta
Tue 6/235:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/15![Delta logo]()
$932
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:15 pm
SAN
- PDL
2 stops27h 30m
Multiple Airlines
Sat 6/2011:00 am
PDL
- SAN
3 stops31h 53m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$1,436
This Delta deal was found by Cheapflights users on 3/12. 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 7/73:59 pm
SAN
- OPO
2 stops22h 06m
Delta
Mon 7/209:25 am
OPO
- SAN
2 stops21h 23m
Delta
Deal found 3/12![Delta logo]()
$954
This Delta deal was found by Cheapflights users on 3/17. 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 9/17:00 am
SAN
- LIS
2 stops19h 55m
Delta
Sat 9/265:00 am
LIS
- SAN
1 stop14h 50m
Delta
Deal found 3/17![Delta logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 6/1010:40 pm
SAN
- PDL
2 stops27h 00m
United Airlines
Fri 6/199:35 am
PDL
- SAN
2 stops32h 46m
United Airlines
Deal found 3/14![United Airlines logo]()
$1,345
This United Airlines deal was found by Cheapflights users on 3/14. 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 6/119:11 am
SAN
- PDL
2 stops16h 29m
United Airlines
Fri 6/199:35 am
PDL
- SAN
2 stops32h 46m
United Airlines
Deal found 3/14![United Airlines logo]()
$1,345
Last-minute flights from San Diego to PortugalDiscover last-minute flight deals from San Diego to Portugal. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portugal. Data last updated March 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/15. 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.
Tue 4/711:00 am
SAN
- LIS
2 stops27h 45m
Lufthansa
Wed 4/226:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$606
This FlightHub deal was found by Cheapflights users on 3/13. 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.
Tue 4/74:21 pm
SAN
- LIS
2 stops22h 24m
Lufthansa
Thu 4/236:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$607
This Delta deal was found by Cheapflights users on 3/13. 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.
Thu 4/91:40 pm
SAN
- LIS
1 stop16h 55m
Delta
Mon 4/205:00 am
LIS
- SAN
2 stops17h 50m
Delta
Deal found 3/13![Delta logo]()
$621
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/168:45 am
SAN
- LIS
2 stops30h 00m
United Airlines
Wed 4/226:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 3/15![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/165:15 pm
SAN
- LIS
1 stop21h 30m
United Airlines
Fri 4/245:05 am
LIS
- SAN
2 stops25h 54m
United Airlines
Deal found 3/15![United Airlines logo]()
$617
This Gurufare deal was found by Cheapflights users on 3/15. 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.
Thu 4/1611:00 am
SAN
- FAO
2 stops20h 05m
Lufthansa
Wed 4/223:55 pm
FAO
- SAN
1 stop31h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$673
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/166:20 am
SAN
- FAO
2 stops24h 10m
United Airlines
Wed 4/223:25 pm
FAO
- SAN
2 stops39h 05m
United Airlines
Deal found 3/15![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/215:15 pm
SAN
- LIS
1 stop21h 30m
United Airlines
Tue 5/511:25 am
LIS
- SAN
2 stops36h 08m
United Airlines
Deal found 3/13![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 3/13. 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 4/216:25 am
SAN
- LIS
2 stops20h 50m
Delta
Tue 5/55:00 am
LIS
- SAN
2 stops20h 34m
Delta
Deal found 3/13![Delta logo]()
$620
This KLM deal was found by Cheapflights users on 3/14. 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 4/281:40 pm
SAN
- OPO
1 stop20h 40m
KLM
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 3/14. 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 4/2810:05 am
SAN
- OPO
2 stops21h 25m
Delta
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/14![Delta logo]()
$712
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/305:15 pm
SAN
- LIS
1 stop21h 30m
United Airlines
Sat 5/97:25 am
LIS
- SAN
3 stops23h 12m
United Airlines
Deal found 3/12![United Airlines logo]()
$618
One-way flights from San Diego to PortugalSearch for one-way flight options from San Diego to Portugal. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from San Diego to Portugal. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This United Airlines deal was found by Cheapflights users on 3/14. 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 8/47:00 am
SAN
- OPO
1 stop16h 00m
United Airlines
Deal found 3/14![United Airlines logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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 7/264:45 pm
SAN
- LIS
1 stop22h 20m
British Airways
Deal found 3/14![British Airways logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 5/283:30 pm
SAN
- LIS
2 stops58h 05m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$336
This British Airways deal was found by Cheapflights users on 3/14. 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.
Mon 7/274:45 pm
SAN
- LIS
1 stop22h 25m
British Airways
Deal found 3/14![British Airways logo]()
$338
This Thrive Travel deal was found by Cheapflights users on 3/14. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 pm
SAN
- LIS
1 stop21h 30m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 5/1311:18 am
SAN
- OPO
3 stops49h 07m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 7/285:15 pm
SAN
- LIS
2 stops21h 35m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/297:35 pm
SAN
- OPO
3 stops53h 50m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 7/275:15 pm
SAN
- LIS
2 stops22h 10m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Mon 4/277:03 am
SAN
- LIS
3 stops31h 57m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Wed 5/273:30 pm
SAN
- OPO
3 stops48h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Mon 6/13:30 pm
SAN
- LIS
2 stops42h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$380
Find flight deals from San Diego to Portugal
Keep the following information in mind while searching for San Diego to Portugal flight deals. Data was last updated March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $559 (Kiwi.com) |
One-way from | $317 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $864 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 March 18, 2026.
Use the filters below to find and compare flights from San Diego to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Tue 4/28
1:40 pm-5:50 pm
2 stops20h 10m
Lisbon Humberto Delgado
Sun 5/10
5:00 am-8:39 pm
2 stops23h 39m
$620
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Mon 4/6
10:40 am-5:50 pm
2 stops23h 10m
Lisbon Humberto Delgado
Thu 4/16
9:50 am-11:06 pm
2 stops21h 16m
$658
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Thu 4/16
11:00 am-3:05 pm
2 stops20h 05m
Faro
Wed 4/22
3:55 pm-3:25 pm
1 stop31h 30m
$673
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Thu 4/30
1:40 pm-7:10 am
1 stop33h 30m
Faro
Mon 5/18
9:45 pm-11:50 am
1 stop22h 05m
$735
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Sun 5/3
6:25 am-10:55 am
2 stops20h 30m
Lisbon Humberto Delgado
Sat 5/23
5:00 am-2:57 pm
2 stops17h 57m
$765
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Thu 4/16
4:41 pm-7:05 pm
2 stops18h 24m
Faro
Wed 4/22
11:45 am-11:33 pm
2 stops19h 48m
$778
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Thu 4/30
2:14 pm-2:45 pm
2 stops40h 31m
Faro
Mon 5/18
11:40 am-11:59 pm
2 stops20h 19m
$833
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 9/8
1:40 pm-10:15 pm
1 stop24h 35m
Porto
Sat 9/19
5:00 am-11:50 am
1 stop14h 50m
$834
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Mon 6/8
6:20 am-11:00 am
2 stops20h 40m
Lisbon Humberto Delgado
Thu 6/18
11:25 am-8:39 pm
1 stop17h 14m
$843
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Mon 6/1
1:37 pm-5:50 pm
2 stops20h 13m
Lisbon Humberto Delgado
Fri 6/12
12:45 pm-8:41 pm
1 stop15h 56m
$846
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from San Diego to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from San Diego with our price prediction graph.
SAN-LIS
SAN-FAO
SAN-PDL
SAN-OPO
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 San Diego to Portugal
SAN-PT0
SAN-LIS
SAN-FAO
SAN-PDL
SAN-OPO
What is the cheapest month to book a flight from San Diego to Portugal?
Currently, February is the cheapest month in which you can book a flight from San Diego to Portugal (average of $451). Flying from San Diego to Portugal in June is currently the most expensive (average of $710). 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.
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 March 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAir Canada from San Diego 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.
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Portugal by cabin class
Find flights from San Diego to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Portugal flights
Browse other San Diego and Portugal flight options. Last updated on March 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Portugal flights
Consider these flights traveling from San Diego to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 8 airlines flying from San Diego to Portugal
Discover the top 8 airlines that operate flights from San Diego 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$490 | Average$692 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$495 | Average$739 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$506 | Average$997 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$520 | Average$792 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$525 | Average$1,056 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$536 | Average$1,007 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$555 | Average$1,199 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$590 | Average$863 | FlexibilityNo cancel fee | On-time67% |