$334+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Jul 12 — Jul 191
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 June 12, 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 June 12, 2026.
This Air France deal was found by Cheapflights users on 6/7. 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 10/267:00 am
SAN
- OPO
2 stops20h 30m
Multiple Airlines
Mon 11/211:15 am
OPO
- SAN
1 stop32h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$736
This oojo deal was found by Cheapflights users on 6/9. 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.
Wed 11/1110:48 am
SAN
- LIS
2 stops20h 02m
British Airways
Wed 11/1811:05 am
LIS
- SAN
1 stop18h 34m
British Airways
Deal found 6/9![British Airways logo]()
$741
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 11/16:00 pm
SAN
- LIS
1 stop15h 45m
British Airways
Thu 11/1211:05 am
LIS
- SAN
1 stop15h 48m
British Airways
Deal found 6/10![British Airways logo]()
$743
This Delta deal was found by Cheapflights users on 6/9. 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 11/117:00 am
SAN
- OPO
1 stop18h 05m
Delta
Thu 11/195:00 am
OPO
- SAN
1 stop15h 10m
Delta
Deal found 6/9![Delta logo]()
$743
This Finnair deal was found by Cheapflights users on 6/8. 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.
Tue 11/36:00 pm
SAN
- LIS
1 stop15h 40m
Multiple Airlines
Wed 11/114:10 pm
LIS
- SAN
2 stops33h 57m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$746
This KLM deal was found by Cheapflights users on 6/10. 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 11/31:05 pm
SAN
- OPO
1 stop36h 00m
KLM
Wed 11/1111:15 am
OPO
- SAN
1 stop32h 55m
KLM
Deal found 6/10![KLM logo]()
$746
This Delta deal was found by Cheapflights users on 6/12. 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 10/278:00 am
SAN
- OPO
2 stops19h 30m
Delta
Tue 11/35:00 am
OPO
- SAN
1 stop15h 10m
Delta
Deal found 6/12![Delta logo]()
$747
This KLM deal was found by Cheapflights users on 6/8. 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 10/273:05 pm
SAN
- OPO
1 stop17h 20m
KLM
Tue 11/35:00 am
OPO
- SAN
1 stop15h 10m
KLM
Deal found 6/8![KLM logo]()
$748
This Travelocity deal was found by Cheapflights users on 6/9. 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.
Mon 11/236:00 pm
SAN
- LIS
1 stop16h 55m
Multiple Airlines
Mon 12/74:10 pm
LIS
- SAN
2 stops33h 54m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$750
This oojo deal was found by Cheapflights users on 6/11. 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 11/16:00 pm
SAN
- LIS
1 stop15h 45m
British Airways
Wed 11/1811:05 am
LIS
- SAN
1 stop18h 34m
British Airways
Deal found 6/11![British Airways logo]()
$751
This United Airlines deal was found by Cheapflights users on 6/9. 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 12/97:10 am
SAN
- OPO
1 stop18h 20m
United Airlines
Wed 12/236:00 am
OPO
- SAN
2 stops26h 29m
United Airlines
Deal found 6/9![United Airlines logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 11/236:00 pm
SAN
- LIS
1 stop16h 55m
British Airways
Mon 12/76:35 pm
LIS
- SAN
1 stop29h 35m
British Airways
Deal found 6/9![British Airways logo]()
$752
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 June 12, 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 June 12, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 10/278:00 am
SAN
- OPO
2 stops19h 30m
Delta
Tue 11/35:00 am
OPO
- SAN
1 stop15h 10m
Delta
Deal found 6/11![Delta logo]()
$747
This KLM deal was found by Cheapflights users on 6/9. 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 10/273:05 pm
SAN
- OPO
1 stop24h 25m
KLM
Tue 11/35:00 am
OPO
- SAN
1 stop15h 10m
KLM
Deal found 6/9![KLM logo]()
$747
This United Airlines deal was found by Cheapflights users on 6/8. 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 12/77:00 am
SAN
- OPO
2 stops18h 30m
United Airlines
Thu 12/106:00 am
OPO
- SAN
2 stops23h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$756
This Finnair deal was found by Cheapflights users on 6/7. 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.
Mon 10/2611:09 am
SAN
- OPO
2 stops25h 51m
Multiple Airlines
Mon 11/28:40 pm
OPO
- SAN
2 stops31h 38m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$759
This British Airways deal was found by Cheapflights users on 6/11. 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 12/66:00 pm
SAN
- LIS
1 stop31h 50m
British Airways
Thu 12/107:00 am
LIS
- SAN
1 stop17h 10m
British Airways
Deal found 6/11![British Airways logo]()
$768
This Finnair deal was found by Cheapflights users on 6/10. 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 10/221:18 pm
SAN
- LIS
2 stops26h 07m
Finnair
Tue 10/276:30 am
LIS
- SAN
2 stops33h 41m
Finnair
Deal found 6/10![Finnair logo]()
$869
This Delta deal was found by Cheapflights users on 6/9. 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 11/1710:10 pm
SAN
- OPO
1 stop26h 55m
Delta
Mon 11/2311:15 am
OPO
- SAN
1 stop32h 55m
Delta
Deal found 6/9![Delta logo]()
$755
This KLM deal was found by Cheapflights users on 6/10. 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 11/1010:00 am
SAN
- FAO
2 stops19h 50m
KLM
Tue 11/172:40 pm
FAO
- SAN
2 stops35h 19m
KLM
Deal found 6/10![KLM logo]()
$765
This United Airlines deal was found by Cheapflights users on 6/9. 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 12/67:00 am
SAN
- OPO
2 stops18h 30m
United Airlines
Thu 12/1012:35 pm
OPO
- SAN
1 stop18h 03m
United Airlines
Deal found 6/9![United Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 6/7. 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 11/149:40 pm
SAN
- LIS
2 stops27h 20m
Delta
Fri 11/205:30 am
LIS
- SAN
2 stops18h 36m
Delta
Deal found 6/7![Delta logo]()
$797
This United Airlines deal was found by Cheapflights users on 6/11. 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 12/612:50 pm
SAN
- LIS
1 stop13h 25m
United Airlines
Thu 12/101:00 pm
LIS
- SAN
2 stops34h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$812
This KLM deal was found by Cheapflights users on 6/9. 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 9/2811:53 am
SAN
- FAO
2 stops21h 32m
KLM
Wed 10/78:50 am
FAO
- SAN
1 stop35h 00m
KLM
Deal found 6/9![KLM logo]()
$821
This FlightHub deal was found by Cheapflights users on 6/10. 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 11/106:00 pm
SAN
- FAO
1 stop32h 05m
British Airways
Tue 11/1711:20 am
FAO
- SAN
1 stop36h 50m
British Airways
Deal found 6/10![British Airways logo]()
$962
This KLM deal was found by Cheapflights users on 6/7. 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 11/136:20 am
SAN
- FAO
2 stops23h 30m
KLM
Sat 11/212:40 pm
FAO
- SAN
2 stops37h 38m
KLM
Deal found 6/7![KLM logo]()
$866
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/157:00 am
SAN
- OPO
1 stop16h 00m
United Airlines
Wed 9/3011:20 am
OPO
- SAN
2 stops36h 29m
United Airlines
Deal found 6/12![United Airlines logo]()
$866
This Delta deal was found by Cheapflights users on 6/10. 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 9/1411:30 am
SAN
- LIS
2 stops19h 25m
Delta
Fri 9/255:00 am
LIS
- SAN
2 stops21h 06m
Delta
Deal found 6/10![Delta logo]()
$938
This KLM deal was found by Cheapflights users on 6/11. 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 9/157:20 am
SAN
- OPO
1 stop19h 10m
KLM
Wed 9/3011:45 am
OPO
- SAN
1 stop32h 05m
KLM
Deal found 6/11![KLM logo]()
$870
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/38:00 am
SAN
- LIS
1 stop18h 30m
United Airlines
Wed 8/196:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$896
This United deal was found by Cheapflights users on 6/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:55 am
SAN
- PDL
2 stops14h 45m
Multiple Airlines
Wed 7/89:35 am
PDL
- SAN
1 stop33h 00m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,246
This United Airlines deal was found by Cheapflights users on 6/7. 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 11/137:41 pm
SAN
- FAO
3 stops32h 54m
United Airlines
Sat 11/214:35 pm
FAO
- SAN
2 stops49h 36m
United Airlines
Deal found 6/7![United Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/242:15 pm
SAN
- PDL
2 stops41h 20m
Multiple Airlines
Fri 7/315:30 pm
PDL
- SAN
1 stop35h 07m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/1312:57 pm
SAN
- LIS
1 stop13h 33m
United Airlines
Fri 7/246:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$934
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/119:59 pm
SAN
- LIS
1 stop28h 31m
United Airlines
Thu 7/236:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$939
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/52:15 pm
SAN
- PDL
1 stop33h 30m
Multiple Airlines
Sat 7/1111:30 am
PDL
- SAN
2 stops27h 34m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,466
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/610:40 pm
SAN
- LIS
2 stops25h 40m
United Airlines
Wed 10/76:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/11![United Airlines logo]()
$941
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/126:40 am
SAN
- LIS
1 stop17h 40m
United Airlines
Fri 7/245:05 am
LIS
- SAN
2 stops26h 49m
United Airlines
Deal found 6/8![United Airlines logo]()
$948
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/86:30 am
SAN
- LIS
2 stops18h 50m
United Airlines
Tue 10/65:05 am
LIS
- SAN
2 stops23h 03m
United Airlines
Deal found 6/11![United Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 6/8. 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 12/17:00 am
SAN
- FAO
3 stops24h 40m
United Airlines
Fri 12/46:05 am
FAO
- SAN
2 stops22h 28m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/2910:55 am
SAN
- PDL
2 stops14h 45m
United Airlines
Wed 7/811:00 am
PDL
- SAN
2 stops18h 25m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/2010:40 pm
SAN
- PDL
2 stops27h 00m
United Airlines
Sun 6/289:35 am
PDL
- SAN
2 stops39h 06m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,307
Last-minute flights from San Diego to PortugalDiscover last-minute flight deals from San Diego to Portugal. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portugal. Data last updated June 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:35 pm
SAN
- OPO
2 stops34h 25m
Multiple Airlines
Mon 7/207:20 pm
OPO
- SAN
2 stops35h 14m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$931
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/119:59 pm
SAN
- LIS
1 stop28h 31m
United Airlines
Thu 7/236:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/137:00 am
SAN
- OPO
1 stop16h 00m
United Airlines
Tue 7/2812:15 pm
OPO
- SAN
2 stops37h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$898
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:15 pm
SAN
- OPO
1 stop22h 10m
Multiple Airlines
Tue 7/2812:15 pm
OPO
- SAN
1 stop17h 29m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 6/10. 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 7/137:29 am
SAN
- OPO
1 stop19h 01m
Delta
Tue 7/2812:25 pm
OPO
- SAN
2 stops18h 32m
Delta
Deal found 6/10![Delta logo]()
$924
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/136:35 am
SAN
- LIS
2 stops17h 45m
United Airlines
Thu 7/236:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$927
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/136:35 am
SAN
- LIS
2 stops17h 45m
United Airlines
Fri 7/246:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$934
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:05 pm
SAN
- LIS
2 stops32h 15m
Multiple Airlines
Thu 7/236:15 am
LIS
- SAN
1 stop17h 10m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$936
This Air Canada deal was found by Cheapflights users on 6/7. 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.
Tue 7/145:05 pm
SAN
- OPO
2 stops29h 55m
Air Canada
Tue 7/2812:15 pm
OPO
- SAN
2 stops31h 38m
Air Canada
Deal found 6/7![Air Canada logo]()
$912
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/1410:30 pm
SAN
- OPO
1 stop24h 25m
United Airlines
Tue 7/2812:15 pm
OPO
- SAN
1 stop17h 29m
United Airlines
Deal found 6/7![United Airlines logo]()
$913
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/1512:57 pm
SAN
- LIS
1 stop13h 33m
United Airlines
Thu 7/236:15 am
LIS
- SAN
1 stop17h 10m
United Airlines
Deal found 6/12![United Airlines logo]()
$933
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/319:45 pm
SAN
- OPO
2 stops28h 00m
United Airlines
Thu 8/2011:50 am
OPO
- SAN
2 stops29h 42m
United Airlines
Deal found 6/8![United Airlines logo]()
$900
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 June 12, 2026.
Search for one-way flight options from San Diego to Portugal. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This oojo deal was found by Cheapflights users on 6/9. 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 10/194:28 pm
SAN
- LIS
2 stops22h 42m
British Airways
Deal found 6/9![British Airways logo]()
$334
This Travelocity deal was found by Cheapflights users on 6/8. 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.
Sun 11/16:15 am
SAN
- LIS
2 stops27h 50m
Iberia
Deal found 6/8![Iberia logo]()
$356
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/196:28 pm
SAN
- OPO
2 stops28h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 9/198:32 pm
SAN
- OPO
3 stops40h 08m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/17:41 pm
SAN
- LIS
3 stops28h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$379
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 9/277:40 pm
SAN
- LIS
1 stop19h 25m
British Airways
Deal found 6/11![British Airways logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/193:56 pm
SAN
- LIS
3 stops33h 24m
United Airlines
Deal found 6/9![United Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 9/59:37 am
SAN
- OPO
3 stops51h 03m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/69:37 am
SAN
- OPO
3 stops27h 03m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 9/276:15 am
SAN
- LIS
2 stops17h 45m
Delta
Deal found 6/12![Delta logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/306:25 am
SAN
- FAO
3 stops33h 00m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$412
This BusinessClass deal was found by Cheapflights users on 6/7. 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.
Mon 9/2112:54 pm
SAN
- LIS
2 stops26h 16m
British Airways
Deal found 6/7![British Airways logo]()
$419
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $736 (Air France) |
One-way from | $334 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $994 |
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 June 12, 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 DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 10/27
8:00 am-10:30 am
2 stops19h 30m
Porto
Tue 11/3
5:00 am-12:10 pm
1 stop15h 10m
$747
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 10/27
3:05 pm-10:30 pm
1 stop24h 25m
Porto
Tue 11/3
5:00 am-12:10 pm
1 stop15h 10m
$747
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 11/17
10:10 pm-9:05 am
1 stop26h 55m
Porto
Mon 11/23
11:15 am-12:10 pm
1 stop32h 55m
$755
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 12/7
7:00 am-9:30 am
2 stops18h 30m
Porto
Thu 12/10
6:00 am-9:57 pm
2 stops23h 57m
$756
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 10/26
11:09 am-8:00 pm
2 stops25h 51m
Porto
Mon 11/2
8:40 pm-8:18 pm
2 stops31h 38m
$759
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Tue 11/10
10:00 am-1:50 pm
2 stops19h 50m
Faro
Tue 11/17
2:40 pm-5:59 pm
2 stops35h 19m
$765
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Sun 12/6
7:00 am-9:30 am
2 stops18h 30m
Porto
Thu 12/10
12:35 pm-10:38 pm
1 stop18h 03m
$765
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Sun 12/6
6:00 pm-9:50 am
1 stop31h 50m
Lisbon Humberto Delgado
Thu 12/10
7:00 am-4:10 pm
1 stop17h 10m
$768
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Sat 11/14
9:40 pm-9:00 am
2 stops27h 20m
Lisbon Humberto Delgado
Fri 11/20
5:30 am-4:06 pm
2 stops18h 36m
$797
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Sun 12/6
12:50 pm-10:15 am
1 stop13h 25m
Lisbon Humberto Delgado
Thu 12/10
1:00 pm-3:30 pm
2 stops34h 30m
$812
Showing 1-10 of 54 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-OPO
SAN-LIS
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-OPO
SAN-LIS
SAN-FAO
SAN-PDL
What is the cheapest month to book a flight from San Diego to Portugal?
Currently, December is the cheapest month in which you can book a flight from San Diego to Portugal (average of $443). Flying from San Diego to Portugal in June is currently the most expensive (average of $691). 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.
How far ahead should I book a flight from San Diego to Portugal?
The best time to book flights from San Diego to Portugal is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 June 12, 2026.
Get a feel of what it's like to fly with Delta,KLM, andUnited Airlines 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.
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
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 June 12, 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 7 airlines flying from San Diego to Portugal
Discover the top 7 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 June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$491 | Average$954 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$514 | Average$862 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$520 | Average$1,043 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$520 | Average$1,025 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$552 | Average$895 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$555 | Average$1,199 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$589 | Average$681 | FlexibilityNo cancel fee | On-time67% |