$270+ Cheap flights from California to Portugal
This is the cheapest round-trip 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.
LAX — LIS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from California 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 California to Portugal
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Cheapest flights from California to PortugalExplore the most affordable flight options available from California to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from California to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This eDestinos deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:15 am -
2 stops18h 45m
Wed 11/1111:15 am -
2 stops19h 44m
Deal found 9/17![Virgin Atlantic logo]()
$532
This eDestinos deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 am -
1 stop18h 45m
Wed 11/118:45 pm -
2 stops19h 41m
Deal found 9/16![Iberia logo]()
$534
This eDestinos deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 am -
1 stop18h 45m
Fri 11/1311:05 am -
1 stop18h 35m
Deal found 9/15![Iberia logo]()
$539
This lol.travel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:20 am -
2 stops19h 20m
Tue 11/2412:50 pm -
1 stop30h 25m
Deal found 9/14![Air Canada logo]()
$568
This eDestinos deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:00 pm -
2 stops33h 55m
Wed 11/1111:15 am -
2 stops19h 44m
Deal found 9/16![Virgin Atlantic logo]()
$576
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:20 pm -
1 stop13h 00m
Tue 11/2411:20 am -
1 stop19h 27m
Deal found 9/14![Multiple Airlines logo]()
$586
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 pm -
1 stop15h 45m
Wed 12/911:05 am -
1 stop18h 27m
Deal found 9/13![British Airways logo]()
$590
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:10 am -
1 stop35h 50m
Wed 11/41:45 pm -
1 stop37h 50m
Deal found 9/13![Multiple Airlines logo]()
$597
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:15 am -
2 stops16h 25m
Wed 12/98:45 pm -
2 stops19h 41m
Deal found 9/13![Iberia logo]()
$599
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:35 pm -
1 stop28h 45m
Thu 11/198:55 am -
1 stop34h 29m
Deal found 9/14![United Airlines logo]()
$599
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:50 pm -
1 stop25h 30m
Wed 11/2511:20 am -
1 stop19h 27m
Deal found 9/13![Multiple Airlines logo]()
$600
This Iberia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 pm -
1 stop19h 50m
Thu 11/126:30 am -
2 stops20h 45m
Deal found 9/17![Multiple Airlines logo]()
$601
Best flights from California to PortugalDiscover carefully curated flight deals from California to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from California to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:13 am -
2 stops18h 47m
Tue 11/1710:00 am -
2 stops19h 45m
Deal found 9/14![Delta logo]()
$603
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:30 pm -
2 stops25h 40m
Wed 11/1111:55 am -
2 stops18h 45m
Deal found 9/15![United Airlines logo]()
$606
This KLM deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:59 am -
1 stop14h 01m
Fri 11/275:30 am -
1 stop15h 40m
Deal found 9/16![Multiple Airlines logo]()
$616
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:55 pm -
1 stop34h 00m
Tue 1/1210:40 am -
1 stop36h 35m
Deal found 9/16![British Airways logo]()
$623
This KLM deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:50 pm -
1 stop17h 35m
Tue 11/175:00 am -
2 stops19h 14m
Deal found 9/16![KLM logo]()
$641
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:55 pm -
2 stops41h 10m
Mon 12/74:55 pm -
2 stops35h 00m
Deal found 9/12![Scandinavian Airlines logo]()
$831
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:35 pm -
1 stop16h 25m
Fri 12/117:00 am -
1 stop17h 05m
Deal found 9/16![TAP AIR PORTUGAL logo]()
$930
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/211:59 pm -
1 stop25h 31m
Tue 11/1712:35 pm -
1 stop15h 35m
Deal found 9/12![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:53 pm -
1 stop27h 07m
Mon 11/911:30 am -
1 stop32h 40m
Deal found 9/15![Delta logo]()
$617
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/292:51 pm -
2 stops19h 04m
Mon 2/86:50 pm -
2 stops23h 28m
Deal found 9/12![Multiple Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop17h 10m
Wed 11/1110:15 am -
1 stop21h 00m
Deal found 9/15![United Airlines logo]()
$615
This KLM deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
2 stops16h 00m
Tue 10/275:00 am -
2 stops20h 29m
Deal found 9/16![KLM logo]()
$688
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:00 am -
2 stops19h 35m
Tue 11/35:00 am -
1 stop15h 10m
Deal found 9/16![Delta logo]()
$628
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:35 pm -
1 stop22h 25m
Fri 10/307:05 am -
1 stop15h 50m
Deal found 9/15![British Airways logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/54:22 pm -
3 stops30h 33m
Wed 1/1310:15 am -
1 stop19h 08m
Deal found 9/13![United Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 12/25:55 am -
2 stops19h 05m
Mon 12/711:30 am -
2 stops44h 33m
Deal found 9/12![Delta logo]()
$631
This KLM deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:15 pm -
2 stops17h 15m
Wed 1/1310:00 am -
1 stop17h 34m
Deal found 9/14![Multiple Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:36 am -
1 stop12h 34m
Tue 12/112:50 pm -
2 stops38h 58m
Deal found 9/16![United Airlines logo]()
$634
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/33:30 pm -
1 stop15h 25m
Sat 1/307:00 am -
1 stop16h 50m
Deal found 9/12![British Airways logo]()
$783
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1011:55 am -
2 stops19h 15m
Thu 2/185:30 am -
2 stops19h 00m
Deal found 9/16![Delta logo]()
$650
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:46 am -
2 stops21h 39m
Tue 10/205:00 am -
2 stops20h 05m
Deal found 9/15![Delta logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/93:45 pm -
1 stop32h 25m
Sat 1/2311:20 am -
2 stops35h 11m
Deal found 9/15![United Airlines logo]()
$662
This United deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:25 pm -
1 stop34h 35m
Sun 10/256:15 am -
1 stop17h 00m
Deal found 9/13![Multiple Airlines logo]()
$807
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:10 pm -
1 stop15h 50m
Fri 12/114:00 pm -
1 stop31h 15m
Deal found 9/15![TAP AIR PORTUGAL logo]()
$990
This KLM deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:05 pm -
1 stop17h 20m
Thu 1/75:00 am -
1 stop15h 10m
Deal found 9/16![KLM logo]()
$922
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 pm -
1 stop15h 55m
Sun 11/87:05 am -
1 stop17h 05m
Deal found 9/14![British Airways logo]()
$878
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/109:10 am -
2 stops21h 30m
Mon 2/2211:30 am -
2 stops37h 00m
Deal found 9/16![Delta logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:43 pm -
2 stops25h 27m
Mon 11/25:00 am -
2 stops23h 17m
Deal found 9/14![United Airlines logo]()
$663
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:35 am -
2 stops20h 05m
Mon 10/194:20 pm -
1 stop27h 25m
Deal found 9/15![KLM logo]()
$942
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/99:10 am -
2 stops21h 30m
Mon 2/2211:30 am -
2 stops37h 00m
Deal found 9/16![Delta logo]()
$662
Last-minute flights from California to PortugalDiscover last-minute flight deals from California to Portugal. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from California to Portugal. Data last updated September 17, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:35 am -
2 stops22h 25m
Wed 10/2111:20 am -
1 stop17h 27m
Deal found 9/13![Air Canada logo]()
$617
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 pm -
1 stop14h 55m
Wed 10/2111:20 am -
1 stop31h 57m
Deal found 9/13![Multiple Airlines logo]()
$614
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:10 am -
1 stop35h 50m
Wed 11/41:45 pm -
1 stop37h 50m
Deal found 9/13![Multiple Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:01 pm -
2 stops17h 59m
Wed 11/412:25 pm -
2 stops20h 18m
Deal found 9/13![American Airlines logo]()
$601
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:35 pm -
1 stop19h 30m
Wed 11/48:20 am -
2 stops22h 27m
Deal found 9/13![British Airways logo]()
$605
This Gotogate deal was found by Cheapflights users on 9/12. 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 10/196:50 am -
2 stops18h 30m
Wed 11/43:35 pm -
2 stops31h 00m
Deal found 9/12![Multiple Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:37 pm -
1 stop25h 23m
Mon 11/211:30 am -
1 stop34h 45m
Deal found 9/13![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops18h 45m
Mon 11/211:30 am -
1 stop32h 40m
Deal found 9/17![Delta logo]()
$611
This Iberia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:33 am -
2 stops17h 12m
Tue 11/38:20 am -
2 stops23h 18m
Deal found 9/16![Multiple Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:07 am -
1 stop18h 58m
Wed 11/48:20 am -
2 stops19h 13m
Deal found 9/13![American Airlines logo]()
$608
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:28 pm -
2 stops20h 37m
Wed 11/46:30 am -
2 stops22h 31m
Deal found 9/13![Iberia logo]()
$617
This KLM deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:20 am -
1 stop16h 55m
Wed 11/45:55 am -
2 stops22h 33m
Deal found 9/12![Multiple Airlines logo]()
$619
One-way flights from California to PortugalSearch for one-way flight options from California to Portugal. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from California to Portugal. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:50 pm -
1 stop27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![LEVEL logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:55 pm -
1 stop30h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:50 pm -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
3 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:25 pm -
1 stop31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![SWISS logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:40 pm -
2 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:15 pm -
3 stops45h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:30 pm -
2 stops58h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:30 pm -
2 stops44h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$336
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/262:51 pm -
2 stops18h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![British Airways logo]()
$336
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:25 pm -
1 stop31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![SWISS logo]()
$336
This Flysmarter deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 pm -
1 stop15h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$337
Find flight deals from California to Portugal
Keep the following information in mind while searching for California to Portugal flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $532 (eDestinos) |
One-way from | $270 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $962 |
Good round-trip deal | $686 or less |
Good one-way deal | $510 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from California to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoLisbon
SAN San Diego - LIS Lisbon Humberto Delgado
SANLIS
San Diego
Tue 10/20
3:30 pm-10:15 am
2 stops58h 45m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$334
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Mon 10/19
1:25 pm-6:50 am
2 stops33h 25m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$334
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Wed 2/17
8:55 pm-9:55 pm
1 stop17h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$338
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Sat 10/17
8:30 am-9:55 pm
3 stops29h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$344
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Fri 10/16
1:00 pm-5:45 pm
2 stops20h 45m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$345
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Mon 1/11
8:35 pm-7:40 am
2 stops27h 05m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$348
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Mon 12/28
11:57 am-5:35 pm
2 stops21h 38m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$349
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Tue 1/19
8:55 am-10:00 pm
2 stops29h 05m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$356
OaklandLisbon
OAK Oakland - LIS Lisbon Humberto Delgado
OAKLIS
Oakland
Sun 1/17
5:55 am-2:40 pm
2 stops24h 45m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$364
OaklandLisbon
OAK Oakland - LIS Lisbon Humberto Delgado
OAKLIS
Oakland
Wed 1/20
5:55 am-10:30 am
2 stops44h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$364
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from California with our price prediction graph.
SFO-OPO
LAS-LIS
SAN-OPO
SAN-LIS
SMF-LIS
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 California to Portugal
USCA-PT0
SFO-OPO
LAS-LIS
SAN-OPO
SAN-LIS
What is the cheapest month to book a flight from California to Portugal?
Currently, February is the cheapest month in which you can book a flight from California to Portugal (average of $615). Flying from California to Portugal in June is currently the most expensive (average of $1,221). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CA to PT?
Find hourly flight availability from California to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
When flying from California to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from California to Portugal?
The best time to book flights from California to Portugal is 12 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.
Related info for your journey
Find useful and relevant information for your journey from California 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
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Top regions
Alternative routes for California 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 California to Portugal by cabin class
Find flights from California to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Portugal flights
Browse other California and Portugal flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to California after your stay in Portugal
California to Portugal flights
Consider these flights traveling from California to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from California to Portugal
Discover the top 10 airlines that operate flights from California 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$700 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$262 | Average$776 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$431 | Average$977 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$1,095 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$444 | Average$956 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$460 | Average$692 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$929 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$477 | Average$960 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$904 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$492 | Average$987 | FlexibilityNo cancel fee | On-time77% |