$366+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Portugal
Cheapest
Best
Last-minute
One-way
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 April 1, 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 April 1, 2026.
This eDestinos deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am
SAN
- LIS
1 stop18h 35m
Iberia
Wed 11/1811:05 am
LIS
- SAN
1 stop18h 34m
Iberia
Deal found 3/28![Iberia logo]()
$638
This eDestinos deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:59 pm
SAN
- LIS
2 stops33h 01m
Scandinavian Airlines
Wed 11/187:00 am
LIS
- SAN
2 stops21h 49m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 3/31![United Airlines logo]()
$694
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm
SAN
- LIS
1 stop26h 50m
KLM
Thu 11/125:00 am
LIS
- SAN
1 stop15h 05m
KLM
Deal found 3/31![KLM logo]()
$696
This Flysmarter deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:15 am
SAN
- LIS
1 stop18h 50m
Iberia
Tue 5/58:25 am
LIS
- SAN
2 stops20h 18m
Iberia
Deal found 3/28![Iberia logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/215:15 pm
SAN
- LIS
1 stop21h 30m
Lufthansa
Thu 4/306:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/30![Lufthansa logo]()
$701
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 pm
SAN
- LIS
2 stops32h 20m
Multiple Airlines
Thu 11/266:10 am
LIS
- SAN
1 stop17h 35m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$705
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 3/31![Lufthansa logo]()
$706
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com 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
Lufthansa
Wed 4/296:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/30![Lufthansa logo]()
$707
This FlightHub deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 8/1812:35 pm
SAN
- OPO
2 stops34h 25m
Multiple Airlines
Tue 1/121:45 pm
OPO
- SAN
1 stop34h 00m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$769
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Mon 8/176:30 am
SAN
- OPO
2 stops16h 30m
Air Canada
Tue 9/112:15 pm
OPO
- SAN
2 stops34h 35m
Air Canada
Deal found 3/30![Air Canada logo]()
$778
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 8/176:35 am
SAN
- OPO
1 stop16h 20m
United Airlines
Tue 9/112:15 pm
OPO
- SAN
1 stop16h 24m
United Airlines
Deal found 3/30![United Airlines logo]()
$788
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:10 pm
SAN
- LIS
2 stops20h 35m
Delta
Tue 5/55:00 am
LIS
- SAN
2 stops21h 19m
Delta
Deal found 3/28![Delta logo]()
$725
This KLM deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 8/111:40 pm
SAN
- LIS
1 stop16h 55m
KLM
Mon 8/3111:55 am
LIS
- SAN
1 stop31h 55m
KLM
Deal found 3/30![KLM logo]()
$771
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:15 pm
SAN
- LIS
1 stop21h 30m
United Airlines
Fri 4/2412:20 pm
LIS
- SAN
1 stop16h 26m
United Airlines
Deal found 3/28![United Airlines logo]()
$830
This Turkish Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:21 pm
SAN
- OPO
2 stops26h 09m
Multiple Airlines
Wed 9/304:40 pm
OPO
- SAN
2 stops34h 48m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$857
This British Airways deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 9/147:40 pm
SAN
- LIS
1 stop30h 25m
British Airways
Fri 9/257:20 am
LIS
- SAN
1 stop18h 30m
British Airways
Deal found 3/30![British Airways logo]()
$918
This Lufthansa deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:01 am
SAN
- OPO
2 stops20h 39m
Lufthansa
Sun 4/266:20 am
OPO
- SAN
1 stop17h 05m
Lufthansa
Deal found 3/27![Lufthansa logo]()
$975
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/611:40 am
SAN
- LIS
2 stops22h 10m
Delta
Wed 5/205:00 am
LIS
- SAN
2 stops21h 03m
Delta
Deal found 3/31![Delta logo]()
$751
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/71:40 pm
SAN
- FAO
1 stop33h 30m
KLM
Mon 5/119:45 pm
FAO
- SAN
1 stop22h 05m
KLM
Deal found 4/1![KLM logo]()
$821
This BusinessClass deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:23 am
SAN
- PDL
2 stops19h 42m
TAP AIR PORTUGAL
Thu 2/188:35 am
PDL
- SAN
2 stops32h 45m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$1,677
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/162:45 pm
SAN
- LIS
2 stops20h 00m
Delta
Fri 4/245:00 am
LIS
- SAN
2 stops21h 19m
Delta
Deal found 3/31![Delta logo]()
$774
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:35 am
SAN
- OPO
1 stop16h 20m
United Airlines
Wed 9/302:25 pm
OPO
- SAN
2 stops37h 27m
United Airlines
Deal found 3/28![United Airlines logo]()
$867
This Turkish Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:48 pm
SAN
- OPO
2 stops25h 42m
Multiple Airlines
Sun 4/2610:45 am
OPO
- SAN
2 stops65h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$947
This British Airways deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Fri 4/244:45 pm
SAN
- FAO
1 stop17h 05m
British Airways
Tue 4/283:40 pm
FAO
- SAN
1 stop31h 15m
British Airways
Deal found 3/31![British Airways logo]()
$975
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:15 am
SAN
- LIS
2 stops21h 00m
Delta
Tue 8/115:00 am
LIS
- SAN
1 stop14h 50m
Delta
Deal found 3/27![Delta logo]()
$849
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/78:00 am
SAN
- FAO
2 stops19h 20m
United Airlines
Mon 5/113:25 pm
FAO
- SAN
3 stops63h 12m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,034
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 8/316:15 am
SAN
- OPO
2 stops25h 10m
Delta
Mon 9/1411:25 am
OPO
- SAN
1 stop32h 25m
Delta
Deal found 4/1![Delta logo]()
$874
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:52 am
SAN
- PDL
1 stop16h 53m
Multiple Airlines
Tue 5/51:55 pm
PDL
- SAN
2 stops38h 34m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,092
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:15 pm
SAN
- OPO
2 stops22h 50m
Delta
Wed 4/295:00 am
OPO
- SAN
2 stops18h 55m
Delta
Deal found 3/29![Delta logo]()
$907
This British Airways deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:40 pm
SAN
- FAO
1 stop15h 25m
British Airways
Wed 7/88:00 pm
FAO
- SAN
2 stops30h 18m
British Airways
Deal found 3/28![British Airways logo]()
$1,235
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/248:45 am
SAN
- FAO
2 stops22h 00m
United Airlines
Tue 4/283:25 pm
FAO
- SAN
2 stops37h 36m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,149
This Expedia deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SAN
- PDL
1 stop16h 45m
Multiple Airlines
Sat 9/266:05 pm
PDL
- SAN
2 stops29h 31m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,154
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/1110:53 am
SAN
- FAO
2 stops24h 32m
KLM
Fri 5/159:15 pm
FAO
- SAN
1 stop22h 35m
KLM
Deal found 3/31![KLM logo]()
$1,320
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:05 pm
SAN
- LIS
2 stops20h 45m
Delta
Tue 9/155:00 am
LIS
- SAN
1 stop14h 50m
Delta
Deal found 3/27![Delta logo]()
$919
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
SAN
- LIS
2 stops20h 15m
Delta
Sat 9/265:35 am
LIS
- SAN
2 stops21h 19m
Delta
Deal found 3/28![Delta logo]()
$925
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/166:15 am
SAN
- FAO
2 stops22h 15m
United Airlines
Sat 5/2311:40 am
FAO
- SAN
2 stops30h 19m
United Airlines
Deal found 3/31![United Airlines logo]()
$1,262
This BusinessClass deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:40 pm
SAN
- FAO
1 stop15h 25m
Multiple Airlines
Sat 8/810:50 pm
FAO
- SAN
2 stops32h 33m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,318
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:37 pm
SAN
- LIS
2 stops20h 13m
Delta
Fri 6/125:00 am
LIS
- SAN
2 stops23h 34m
Delta
Deal found 3/29![Delta logo]()
$935
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
SAN
- PDL
1 stop15h 20m
Multiple Airlines
Fri 5/86:30 am
PDL
- SAN
2 stops20h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,339
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:55 am
SAN
- PDL
2 stops14h 45m
United Airlines
Fri 8/149:35 am
PDL
- SAN
2 stops41h 20m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,401
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/213:15 pm
SAN
- OPO
2 stops22h 50m
Delta
Sun 4/265:00 am
OPO
- SAN
2 stops18h 55m
Delta
Deal found 3/31![Delta logo]()
$957
Last-minute flights from San Diego to PortugalDiscover last-minute flight deals from San Diego to Portugal. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portugal. Data last updated April 1, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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
Wed 4/226:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/31![Lufthansa logo]()
$706
This FlightHub deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/237:25 am
LIS
- SAN
2 stops21h 57m
Lufthansa
Deal found 4/1![Lufthansa logo]()
$708
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/71:40 pm
SAN
- LIS
1 stop21h 05m
KLM
Thu 4/235:00 am
LIS
- SAN
1 stop14h 50m
KLM
Deal found 3/31![KLM logo]()
$710
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:20 am
SAN
- LIS
2 stops17h 40m
Delta
Tue 4/145:00 am
LIS
- SAN
1 stop14h 50m
Delta
Deal found 3/29![Delta logo]()
$711
This Cheapflightsfares deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:40 pm
SAN
- LIS
1 stop19h 35m
British Airways
Thu 4/1611:05 am
LIS
- SAN
1 stop19h 44m
British Airways
Deal found 3/29![British Airways logo]()
$705
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/86:15 am
SAN
- LIS
1 stop18h 50m
British Airways
Tue 4/1411:05 am
LIS
- SAN
1 stop15h 41m
British Airways
Deal found 4/1![British Airways logo]()
$712
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/811:00 am
SAN
- LIS
2 stops27h 45m
United Airlines
Tue 4/1411:25 am
LIS
- SAN
2 stops33h 40m
United Airlines
Deal found 4/1![United Airlines logo]()
$714
This Flysmarter deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:15 am
SAN
- LIS
1 stop18h 50m
Iberia
Tue 5/58:25 am
LIS
- SAN
2 stops20h 18m
Iberia
Deal found 3/28![Iberia logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/215:15 pm
SAN
- LIS
1 stop21h 30m
Lufthansa
Thu 4/306:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/30![Lufthansa logo]()
$701
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com 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
Lufthansa
Wed 4/296:15 am
LIS
- SAN
1 stop17h 10m
Lufthansa
Deal found 3/30![Lufthansa logo]()
$707
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/53:15 pm
SAN
- OPO
2 stops22h 50m
Delta
Tue 5/195:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/30![Delta logo]()
$824
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/71:40 pm
SAN
- FAO
1 stop33h 30m
KLM
Mon 5/119:45 pm
FAO
- SAN
1 stop22h 05m
KLM
Deal found 4/1![KLM logo]()
$821
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 April 1, 2026.
Search for one-way flight options from San Diego to Portugal. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 8/167:40 pm
SAN
- OPO
1 stop16h 55m
British Airways
Deal found 4/1![British Airways logo]()
$366
This Justfly.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:55 pm
SAN
- OPO
2 stops30h 05m
Air Canada
Deal found 4/1![Air Canada logo]()
$367
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 8/126:35 am
SAN
- OPO
1 stop16h 20m
United Airlines
Deal found 4/1![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 9/217:41 pm
SAN
- OPO
3 stops27h 19m
United Airlines
Deal found 4/1![United Airlines logo]()
$372
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 9/214:45 pm
SAN
- LIS
1 stop22h 25m
British Airways
Deal found 4/1![British Airways logo]()
$380
This Cheapflightsfares deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:45 pm
SAN
- LIS
1 stop15h 40m
British Airways
Deal found 3/28![British Airways logo]()
$381
This British Airways deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 8/24:45 pm
SAN
- LIS
1 stop22h 20m
British Airways
Deal found 3/31![British Airways logo]()
$388
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:20 pm
SAN
- LIS
2 stops19h 15m
British Airways
Deal found 3/31![British Airways logo]()
$393
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 8/34:55 pm
SAN
- LIS
2 stops32h 25m
Air Canada
Deal found 3/31![Air Canada logo]()
$394
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Sat 8/112:35 pm
SAN
- LIS
2 stops38h 30m
Air Canada
Deal found 3/31![Air Canada logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 9/215:15 pm
SAN
- LIS
2 stops32h 00m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$401
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:30 pm
SAN
- LIS
2 stops36h 50m
Air Canada
Deal found 3/31![Air Canada logo]()
$402
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $700 (Flysmarter) |
One-way from | $366 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $809 |
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 April 1, 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
Sun 4/19
2:10 pm-6:45 pm
2 stops20h 35m
Lisbon Humberto Delgado
Tue 5/5
5:00 am-6:19 pm
2 stops21h 19m
$725
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Wed 5/6
11:40 am-5:50 pm
2 stops22h 10m
Lisbon Humberto Delgado
Wed 5/20
5:00 am-6:03 pm
2 stops21h 03m
$751
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Tue 8/11
1:40 pm-2:35 pm
1 stop16h 55m
Lisbon Humberto Delgado
Mon 8/31
11:55 am-11:50 am
1 stop31h 55m
$771
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Thu 4/16
2:45 pm-6:45 pm
2 stops20h 00m
Lisbon Humberto Delgado
Fri 4/24
5:00 am-6:19 pm
2 stops21h 19m
$774
San DiegoFaro
SAN - FAO
SANFAO
San Diego
Thu 5/7
1:40 pm-7:10 am
1 stop33h 30m
Faro
Mon 5/11
9:45 pm-11:50 am
1 stop22h 05m
$821
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Thu 4/16
5:15 pm-10:45 pm
1 stop21h 30m
Lisbon Humberto Delgado
Fri 4/24
12:20 pm-8:46 pm
1 stop16h 26m
$830
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Mon 8/3
6:15 am-11:15 am
2 stops21h 00m
Lisbon Humberto Delgado
Tue 8/11
5:00 am-11:50 am
1 stop14h 50m
$849
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 9/15
1:21 pm-11:30 pm
2 stops26h 09m
Porto
Wed 9/30
4:40 pm-7:28 pm
2 stops34h 48m
$857
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 9/15
6:35 am-6:55 am
1 stop16h 20m
Porto
Wed 9/30
2:25 pm-7:52 pm
2 stops37h 27m
$867
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 8/31
6:15 am-3:25 pm
2 stops25h 10m
Porto
Mon 9/14
11:25 am-11:50 am
1 stop32h 25m
$874
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-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 $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 April 1, 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.
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 April 1, 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$491 | Average$812 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$506 | Average$997 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$520 | Average$792 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$523 | Average$1,048 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$536 | Average$1,002 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$555 | Average$1,199 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$590 | Average$845 | FlexibilityNo cancel fee | On-time67% |