$435+ Cheap flights from Portugal to San Diego (SAN)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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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
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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 Portugal to San Diego
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Cheapest flights from Portugal to San DiegoExplore the most affordable flight options available from Portugal to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Portugal to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/186:05 pm -
2 stops50h 35m
Mon 12/77:32 am -
1 stop16h 28m
Deal found 9/4![Multiple Airlines logo]()
$757
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/207:20 pm -
2 stops49h 20m
Mon 12/77:32 am -
1 stop16h 28m
Deal found 9/4![Multiple Airlines logo]()
$773
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/236:45 pm -
2 stops49h 55m
Mon 12/77:32 am -
1 stop16h 28m
Deal found 9/4![Multiple Airlines logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/189:55 am -
1 stop16h 43m
Wed 12/211:56 am -
1 stop15h 44m
Deal found 9/4![Multiple Airlines logo]()
$858
This Ticket deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:35 pm -
1 stop28h 15m
Mon 10/197:20 am -
1 stop16h 40m
Deal found 9/5![KLM logo]()
$863
This Ticket deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:55 am -
1 stop31h 55m
Mon 10/193:00 pm -
2 stops18h 50m
Deal found 9/5![Multiple Airlines logo]()
$864
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/226:40 am -
2 stops38h 00m
Mon 12/77:32 am -
1 stop16h 28m
Deal found 9/4![Multiple Airlines logo]()
$870
This lol.travel deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/87:20 am -
1 stop15h 35m
Thu 10/226:20 am -
1 stop18h 45m
Deal found 9/3![British Airways logo]()
$886
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/85:00 am -
1 stop14h 50m
Thu 10/2210:57 am -
2 stops19h 58m
Deal found 9/3![Delta logo]()
$897
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 9/175:00 am -
1 stop14h 50m
Thu 10/17:30 am -
2 stops19h 45m
Deal found 9/1![Delta logo]()
$899
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/215:00 am -
1 stop15h 10m
Sat 12/511:37 am -
2 stops19h 33m
Deal found 9/4![Delta logo]()
$900
Best flights from Portugal to San DiegoDiscover carefully curated flight deals from Portugal to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Portugal to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/144:55 pm -
2 stops38h 00m
Sun 1/173:59 pm -
2 stops40h 06m
Deal found 9/1![Scandinavian Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/85:00 am -
1 stop14h 50m
Thu 10/2210:57 am -
2 stops19h 58m
Deal found 9/2![Delta logo]()
$898
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 1/165:00 am -
1 stop15h 10m
Mon 1/187:00 am -
1 stop17h 00m
Deal found 9/5![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 9/175:00 am -
2 stops18h 56m
Thu 10/17:00 am -
2 stops20h 15m
Deal found 9/1![Delta logo]()
$904
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 1/305:00 am -
2 stops21h 27m
Mon 2/17:00 am -
2 stops24h 10m
Deal found 9/6![Delta logo]()
$905
Last-minute flights from Portugal to San DiegoDiscover last-minute flight deals from Portugal to San Diego. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to San Diego. Data last updated September 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 9/175:00 am -
1 stop14h 50m
Thu 10/17:30 am -
2 stops19h 45m
Deal found 9/1![Delta logo]()
$899
This Ticket deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:35 pm -
1 stop28h 15m
Mon 10/197:20 am -
1 stop16h 40m
Deal found 9/5![KLM logo]()
$863
This Ticket deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:55 am -
1 stop31h 55m
Mon 10/193:00 pm -
2 stops18h 50m
Deal found 9/5![Multiple Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/55:00 am -
2 stops21h 35m
Mon 10/1910:57 am -
2 stops22h 53m
Deal found 9/5![Delta logo]()
$905
This lol.travel deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/87:20 am -
1 stop15h 35m
Thu 10/226:20 am -
1 stop18h 45m
Deal found 9/3![British Airways logo]()
$886
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/85:00 am -
1 stop14h 50m
Thu 10/2210:57 am -
2 stops19h 58m
Deal found 9/3![Delta logo]()
$897
This Rumbo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:55 pm -
2 stops37h 51m
Mon 11/210:53 am -
2 stops38h 12m
Deal found 9/4![Scandinavian Airlines logo]()
$901
One-way flights from Portugal to San DiegoSearch for one-way flight options from Portugal to San Diego. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Portugal to San Diego. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/47:00 pm -
3 stops53h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/208:35 pm -
2 stops46h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/269:00 pm -
2 stops47h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/36:40 pm -
3 stops57h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 9/307:15 pm -
3 stops50h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
3 stops50h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/2111:00 pm -
3 stops47h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:15 am -
3 stops45h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$599
Find flight deals from Portugal to San Diego
Keep the following information in mind while searching for Portugal to San Diego flight deals. Data was last updated September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $757 (Kiwi.com) |
One-way from | $354 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to San Diego 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 6, 2026.
Use the filters below to find and compare flights from Portugal to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 1/25
11:05 am-9:39 pm
1 stop18h 34m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$668
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 10/26
6:35 pm-5:10 pm
1 stop29h 35m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$695
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 10/12
10:20 am-3:58 pm
2 stops37h 38m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$734
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 10/12
6:35 am-5:53 pm
2 stops19h 18m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$820
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Sat 10/10
6:35 am-11:19 pm
2 stops24h 44m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$825
Quickest round-trip
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 10/12
7:10 am-2:55 pm
1 stop15h 45m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$842
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Mon 9/28
7:35 am-11:36 am
2 stops36h 01m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$843
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Sun 10/18
5:10 pm-2:55 pm
1 stop29h 45m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$848
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Thu 1/14
4:55 pm-10:55 pm
2 stops38h 00m
San Diego
Sun 1/17
3:59 pm-4:05 pm
2 stops40h 06m
$884
LisbonSan Diego
LIS Lisbon Humberto Delgado - SAN San Diego
LISSAN
Lisbon Humberto Delgado
Thu 10/8
5:00 am-11:50 am
1 stop14h 50m
San Diego
Thu 10/22
10:57 am-2:55 pm
2 stops19h 58m
$898
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Portugal to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Portugal with our price prediction graph.
LIS-SAN
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 Portugal to San Diego
PT0-SAN
LIS-SAN
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Portugal to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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