$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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Mar 28 — Apr 41
1 adult, Economy
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Find cheap flights from San Diego to Portugal with Cheapflights
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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 February 26, 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 February 26, 2026.
This KLM deal was found by Cheapflights users on 2/23. 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 3/27:00 am
SAN
- LIS
1 stop18h 00m
KLM
Tue 3/175:00 am
LIS
- SAN
1 stop15h 05m
KLM
Deal found 2/23![KLM logo]()
$484
This Flysmarter deal was found by Cheapflights users on 2/26. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:40 pm
SAN
- LIS
1 stop25h 10m
KLM
Wed 4/297:45 pm
LIS
- SAN
1 stop24h 05m
KLM
Deal found 2/26![KLM logo]()
$486
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/27:50 pm
SAN
- LIS
2 stops30h 25m
United Airlines
Tue 3/175:00 am
LIS
- SAN
2 stops23h 23m
United Airlines
Deal found 2/23![United Airlines logo]()
$487
This FlightHub deal was found by Cheapflights users on 2/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:35 pm
SAN
- LIS
1 stop21h 55m
Lufthansa
Fri 11/276:10 am
LIS
- SAN
1 stop17h 35m
Lufthansa
Deal found 2/26![Lufthansa logo]()
$489
This United Airlines deal was found by Cheapflights users on 2/24. 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 11/15:35 pm
SAN
- LIS
1 stop21h 55m
United Airlines
Thu 11/126:10 am
LIS
- SAN
1 stop17h 35m
United Airlines
Deal found 2/24![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:35 pm
SAN
- LIS
1 stop21h 55m
United Airlines
Fri 11/276:10 am
LIS
- SAN
1 stop17h 35m
United Airlines
Deal found 2/26![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 2/22. 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 4/141:40 pm
SAN
- LIS
1 stop37h 15m
Delta
Fri 4/2411:55 am
LIS
- SAN
1 stop31h 55m
Delta
Deal found 2/22![Delta logo]()
$492
This KLM deal was found by Cheapflights users on 2/22. 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 3/243:00 pm
SAN
- LIS
1 stop20h 50m
KLM
Thu 4/25:00 am
LIS
- SAN
1 stop14h 50m
KLM
Deal found 2/22![KLM logo]()
$493
This KLM deal was found by Cheapflights users on 2/23. 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 3/103:00 pm
SAN
- LIS
1 stop36h 35m
KLM
Wed 3/1811:25 am
LIS
- SAN
1 stop32h 40m
KLM
Deal found 2/23![KLM logo]()
$494
This Air France deal was found by Cheapflights users on 2/25. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:00 pm
SAN
- OPO
2 stops17h 25m
Multiple Airlines
Wed 10/77:10 pm
OPO
- SAN
1 stop24h 40m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$562
This KLM deal was found by Cheapflights users on 2/25. 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 9/291:40 pm
SAN
- OPO
1 stop24h 35m
KLM
Wed 10/711:45 am
OPO
- SAN
1 stop32h 05m
KLM
Deal found 2/25![KLM logo]()
$563
This United Airlines deal was found by Cheapflights users on 2/23. 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 12/236:15 am
SAN
- OPO
2 stops25h 00m
United Airlines
Tue 1/56:00 am
OPO
- SAN
2 stops36h 11m
United Airlines
Deal found 2/23![United Airlines logo]()
$571
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 February 26, 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 February 26, 2026.
This Delta deal was found by Cheapflights users on 2/23. 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 3/107:00 am
SAN
- LIS
2 stops20h 35m
Delta
Wed 3/185:00 am
LIS
- SAN
2 stops22h 45m
Delta
Deal found 2/23![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 2/22. 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 5/67:00 pm
SAN
- LIS
2 stops32h 00m
United Airlines
Tue 5/1211:25 am
LIS
- SAN
2 stops36h 08m
United Airlines
Deal found 2/22![United Airlines logo]()
$532
This KLM deal was found by Cheapflights users on 2/23. 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 3/52:00 pm
SAN
- LIS
1 stop25h 10m
KLM
Wed 3/115:00 am
LIS
- SAN
2 stops19h 51m
KLM
Deal found 2/23![KLM logo]()
$554
This KLM deal was found by Cheapflights users on 2/26. 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.
Thu 3/52:00 pm
SAN
- LIS
1 stop36h 35m
Multiple Airlines
Wed 3/115:30 am
LIS
- SAN
2 stops19h 49m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$560
This British Airways deal was found by Cheapflights users on 2/25. 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 4/193:21 pm
SAN
- OPO
2 stops20h 59m
British Airways
Mon 5/49:10 pm
OPO
- SAN
1 stop25h 45m
British Airways
Deal found 2/25![British Airways logo]()
$634
This Finnair deal was found by Cheapflights users on 2/22. 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.
Sat 4/181:03 pm
SAN
- LIS
2 stops26h 22m
Finnair
Mon 4/276:35 am
LIS
- SAN
2 stops24h 07m
Finnair
Deal found 2/22![Finnair logo]()
$738
This Delta deal was found by Cheapflights users on 2/23. 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 4/910:40 am
SAN
- LIS
2 stops23h 10m
Delta
Mon 4/209:50 am
LIS
- SAN
2 stops21h 16m
Delta
Deal found 2/23![Delta logo]()
$584
This KLM deal was found by Cheapflights users on 2/24. 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.
Fri 4/102:47 pm
SAN
- FAO
2 stops22h 18m
KLM
Fri 4/177:30 pm
FAO
- SAN
2 stops29h 53m
KLM
Deal found 2/24![KLM logo]()
$615
This KLM deal was found by Cheapflights users on 2/25. 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 3/311:40 pm
SAN
- LIS
1 stop21h 05m
Multiple Airlines
Thu 4/95:35 am
LIS
- SAN
2 stops18h 20m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 2/23. 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 4/910:40 am
SAN
- OPO
2 stops24h 35m
Delta
Thu 4/165:00 am
OPO
- SAN
2 stops21h 19m
Delta
Deal found 2/23![Delta logo]()
$653
This Finnair deal was found by Cheapflights users on 2/22. 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.
Thu 4/1612:37 pm
SAN
- LIS
2 stops26h 48m
Finnair
Wed 4/226:35 am
LIS
- SAN
2 stops24h 58m
Finnair
Deal found 2/22![Finnair logo]()
$738
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/48:30 am
SAN
- LIS
1 stop17h 45m
United Airlines
Sun 3/811:55 am
LIS
- SAN
1 stop15h 50m
United Airlines
Deal found 2/22![United Airlines logo]()
$741
This KLM deal was found by Cheapflights users on 2/24. 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 4/91:40 pm
SAN
- OPO
1 stop21h 35m
KLM
Thu 4/165:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 2/24![KLM logo]()
$686
This KLM deal was found by Cheapflights users on 2/23. 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 3/103:00 pm
SAN
- OPO
1 stop24h 25m
Multiple Airlines
Fri 3/2011:20 am
OPO
- SAN
2 stops18h 54m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 2/24. 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 3/123:00 pm
SAN
- LIS
1 stop16h 35m
Delta
Fri 3/205:30 am
LIS
- SAN
2 stops24h 44m
Delta
Deal found 2/24![Delta logo]()
$710
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/22. 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.
Thu 3/51:40 pm
SAN
- PDL
2 stops17h 30m
TAP AIR PORTUGAL
Mon 3/97:25 pm
PDL
- SAN
2 stops44h 55m
TAP AIR PORTUGAL
Deal found 2/22![TAP AIR PORTUGAL logo]()
$1,802
This Delta deal was found by Cheapflights users on 2/25. 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 5/2711:01 am
SAN
- LIS
2 stops22h 49m
Delta
Fri 6/1210:00 am
LIS
- SAN
1 stop21h 43m
Delta
Deal found 2/25![Delta logo]()
$737
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/27:50 pm
SAN
- OPO
3 stops29h 40m
United Airlines
Mon 3/912:30 pm
OPO
- SAN
2 stops31h 14m
United Airlines
Deal found 2/22![United Airlines logo]()
$897
This KAYAK deal was found by Cheapflights users on 2/25. 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.
Fri 6/1910:45 pm
SAN
- FAO
2 stops34h 10m
British Airways
Wed 7/88:00 pm
FAO
- SAN
2 stops30h 39m
British Airways
Deal found 2/25![British Airways logo]()
$1,088
This oojo deal was found by Cheapflights users on 2/23. 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 3/249:05 pm
SAN
- PDL
2 stops27h 15m
Multiple Airlines
Tue 3/317:15 am
PDL
- SAN
2 stops33h 53m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$905
This Trip.com deal was found by Cheapflights users on 2/24. 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.
Fri 4/107:40 pm
SAN
- FAO
1 stop31h 20m
British Airways
Fri 4/172:00 pm
FAO
- SAN
1 stop32h 55m
British Airways
Deal found 2/24![British Airways logo]()
$1,102
This Delta deal was found by Cheapflights users on 2/24. 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 5/1911:01 am
SAN
- OPO
2 stops27h 04m
Delta
Fri 7/312:45 pm
OPO
- SAN
2 stops30h 01m
Delta
Deal found 2/24![Delta logo]()
$834
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 4/1010:52 am
SAN
- FAO
2 stops39h 48m
United Airlines
Fri 4/173:20 pm
FAO
- SAN
3 stops37h 19m
United Airlines
Deal found 2/24![United Airlines logo]()
$1,119
This KAYAK deal was found by Cheapflights users on 2/23. 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.
Fri 6/198:00 am
SAN
- FAO
2 stops19h 20m
Multiple Airlines
Wed 7/87:05 pm
FAO
- SAN
2 stops31h 27m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$1,419
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Sat 4/186:10 pm
SAN
- PDL
3 stops32h 35m
Multiple Airlines
Sun 5/34:55 pm
PDL
- SAN
2 stops28h 15m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$1,514
This BusinessClass deal was found by Cheapflights users on 2/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:12 am
SAN
- FAO
2 stops19h 18m
British Airways
Fri 4/244:55 pm
FAO
- SAN
2 stops30h 56m
British Airways
Deal found 2/24![British Airways logo]()
$1,834
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/24. 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 3/131:40 pm
SAN
- PDL
2 stops22h 55m
TAP AIR PORTUGAL
Mon 3/169:30 am
PDL
- SAN
2 stops30h 03m
TAP AIR PORTUGAL
Deal found 2/24![TAP AIR PORTUGAL logo]()
$2,412
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/23. 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 3/1311:11 am
SAN
- PDL
2 stops54h 34m
TAP AIR PORTUGAL
Sat 3/215:55 pm
PDL
- SAN
2 stops46h 25m
TAP AIR PORTUGAL
Deal found 2/23![TAP AIR PORTUGAL logo]()
$3,191
Last-minute flights from San Diego to PortugalDiscover last-minute flight deals from San Diego to Portugal. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portugal. Data last updated February 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 2/277:45 am
SAN
- OPO
2 stops17h 45m
United Airlines
Tue 3/312:35 pm
OPO
- SAN
1 stop16h 50m
United Airlines
Deal found 2/23![United Airlines logo]()
$741
This KLM deal was found by Cheapflights users on 2/23. 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 3/27:00 am
SAN
- LIS
1 stop18h 00m
KLM
Tue 3/175:00 am
LIS
- SAN
1 stop15h 05m
KLM
Deal found 2/23![KLM logo]()
$484
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/27:50 pm
SAN
- LIS
2 stops30h 25m
United Airlines
Tue 3/175:00 am
LIS
- SAN
2 stops23h 23m
United Airlines
Deal found 2/23![United Airlines logo]()
$487
This Air France deal was found by Cheapflights users on 2/22. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:45 am
SAN
- OPO
2 stops16h 45m
Multiple Airlines
Mon 3/94:10 pm
OPO
- SAN
1 stop27h 55m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:20 am
SAN
- OPO
2 stops21h 25m
American Airlines
Mon 3/98:40 pm
OPO
- SAN
2 stops22h 42m
American Airlines
Deal found 2/22![American Airlines logo]()
$695
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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.
Wed 3/46:30 am
SAN
- LIS
1 stop18h 25m
British Airways
Thu 3/1210:55 am
LIS
- SAN
1 stop18h 04m
British Airways
Deal found 2/25![British Airways logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/46:30 am
SAN
- LIS
1 stop18h 25m
Iberia
Thu 3/128:20 am
LIS
- SAN
2 stops19h 00m
Iberia
Deal found 2/25![Iberia logo]()
$499
This Delta deal was found by Cheapflights users on 2/23. 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 3/103:45 pm
SAN
- LIS
2 stops18h 45m
Delta
Wed 3/1811:25 am
LIS
- SAN
1 stop32h 40m
Delta
Deal found 2/23![Delta logo]()
$492
This KLM deal was found by Cheapflights users on 2/23. 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 3/103:00 pm
SAN
- LIS
1 stop36h 35m
KLM
Wed 3/1811:25 am
LIS
- SAN
1 stop32h 40m
KLM
Deal found 2/23![KLM logo]()
$494
This Travelocity deal was found by Cheapflights users on 2/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:00 am
SAN
- LIS
2 stops15h 40m
Iberia
Wed 3/1811:05 am
LIS
- SAN
1 stop17h 54m
Iberia
Deal found 2/23![Iberia logo]()
$516
This KLM deal was found by Cheapflights users on 2/24. 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 3/103:00 pm
SAN
- OPO
1 stop36h 30m
Multiple Airlines
Fri 3/2011:20 am
OPO
- SAN
2 stops18h 54m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$696
This KLM deal was found by Cheapflights users on 2/22. 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 3/243:00 pm
SAN
- LIS
1 stop20h 50m
KLM
Thu 4/25:00 am
LIS
- SAN
1 stop14h 50m
KLM
Deal found 2/22![KLM logo]()
$493
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 February 26, 2026.
Search for one-way flight options from San Diego to Portugal. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/217:15 am
SAN
- LIS
3 stops54h 30m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Fri 5/16:15 am
SAN
- FAO
3 stops49h 40m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/158:59 pm
SAN
- LIS
3 stops58h 11m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/2910:13 am
SAN
- OPO
3 stops50h 12m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/307:00 am
SAN
- OPO
3 stops29h 25m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/710:48 am
SAN
- OPO
3 stops50h 42m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/188:42 am
SAN
- LIS
2 stops26h 43m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/59:54 am
SAN
- LIS
2 stops29h 36m
Lufthansa
Deal found 2/24![Lufthansa logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Fri 5/17:03 am
SAN
- OPO
3 stops32h 22m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/216:22 pm
SAN
- LIS
2 stops20h 23m
Lufthansa
Deal found 2/23![Lufthansa logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/249:58 pm
SAN
- LIS
2 stops41h 57m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/276:54 pm
SAN
- LIS
3 stops43h 41m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$403
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 February 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $486 (Flysmarter) |
One-way from | $317 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $605 |
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 February 26, 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
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Tue 3/10
7:00 am-10:35 am
2 stops20h 35m
Lisbon Humberto Delgado
Wed 3/18
5:00 am-8:45 pm
2 stops22h 45m
$509
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Wed 5/6
7:00 pm-11:00 am
2 stops32h 00m
Lisbon Humberto Delgado
Tue 5/12
11:25 am-3:33 pm
2 stops36h 08m
$532
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Thu 3/5
2:00 pm-11:10 pm
1 stop25h 10m
Lisbon Humberto Delgado
Wed 3/11
5:00 am-5:51 pm
2 stops19h 51m
$554
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Thu 3/5
2:00 pm-10:35 am
1 stop36h 35m
Lisbon Humberto Delgado
Wed 3/11
5:30 am-6:19 pm
2 stops19h 49m
$560
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Thu 4/9
10:40 am-5:50 pm
2 stops23h 10m
Lisbon Humberto Delgado
Mon 4/20
9:50 am-11:06 pm
2 stops21h 16m
$584
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Fri 4/10
2:47 pm-9:05 pm
2 stops22h 18m
Faro
Fri 4/17
7:30 pm-5:23 pm
2 stops29h 53m
$615
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Sun 4/19
3:21 pm-8:20 pm
2 stops20h 59m
Porto
Mon 5/4
9:10 pm-2:55 pm
1 stop25h 45m
$634
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Tue 3/31
1:40 pm-6:45 pm
1 stop21h 05m
Lisbon Humberto Delgado
Thu 4/9
5:35 am-3:55 pm
2 stops18h 20m
$644
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Thu 4/9
10:40 am-7:15 pm
2 stops24h 35m
Porto
Thu 4/16
5:00 am-6:19 pm
2 stops21h 19m
$653
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Thu 4/9
1:40 pm-7:15 pm
1 stop21h 35m
Porto
Thu 4/16
5:00 am-11:50 am
1 stop14h 50m
$686
Showing 1-10 of 56 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-OPO
SAN-FAO
SAN-PDL
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-OPO
SAN-FAO
SAN-PDL
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 $711). 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 February 26, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and Air 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.
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
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 February 26, 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 February 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$490 | Average$750 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$495 | Average$808 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$506 | Average$983 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$523 | Average$945 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$534 | Average$792 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$541 | Average$1,005 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$555 | Average$1,146 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$590 | Average$962 | FlexibilityNo cancel fee | On-time67% |