$341+ Cheap flights from San Diego (SAN) to Porto (OPO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OPO
Apr 14 — Apr 211
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Porto 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
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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 San Diego to Porto
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Best
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Cheapest flights from San Diego to PortoExplore the most affordable flight options available from San Diego to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
Explore the most affordable flight options available from San Diego to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 8/56:35 am
SAN
- OPO
2 stops16h 20m
United Airlines
Wed 8/192:25 pm
OPO
- SAN
2 stops28h 50m
United Airlines
Deal found 3/13![United Airlines logo]()
$686
This Air Canada deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
SAN
- OPO
1 stop16h 00m
Air Canada
Tue 8/2512:15 pm
OPO
- SAN
2 stops31h 38m
Air Canada
Deal found 3/10![Air Canada logo]()
$687
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 4/281:40 pm
SAN
- OPO
1 stop20h 40m
KLM
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 4/2810:05 am
SAN
- OPO
2 stops21h 25m
Delta
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/14![Delta logo]()
$712
This Air Canada deal was found by Cheapflights users on 3/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:35 pm
SAN
- OPO
2 stops58h 25m
Air Canada
Sat 10/2410:15 am
OPO
- SAN
2 stops38h 04m
Air Canada
Deal found 3/13![Air Canada logo]()
$730
This KLM deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
SAN
- OPO
1 stop19h 30m
KLM
Tue 8/255:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/10![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:45 pm
SAN
- OPO
2 stops18h 30m
United Airlines
Tue 12/812:30 pm
OPO
- SAN
2 stops43h 14m
United Airlines
Deal found 3/11![United Airlines logo]()
$741
This Gotogate deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
SAN
- OPO
1 stop16h 00m
Air Canada
Sat 8/2210:15 am
OPO
- SAN
2 stops33h 00m
Air Canada
Deal found 3/10![Air Canada logo]()
$752
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:40 pm
SAN
- OPO
1 stop17h 50m
Delta
Sun 10/49:25 am
OPO
- SAN
2 stops21h 30m
Delta
Deal found 3/10![Delta logo]()
$758
This Air France deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:00 pm
SAN
- OPO
2 stops17h 25m
Multiple Airlines
Sun 10/45:55 am
OPO
- SAN
2 stops20h 59m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$759
Best flights from San Diego to PortoDiscover carefully curated flight deals from San Diego to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
Discover carefully curated flight deals from San Diego to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 4/281:40 pm
SAN
- OPO
1 stop20h 40m
KLM
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 4/2810:05 am
SAN
- OPO
2 stops21h 25m
Delta
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/14![Delta logo]()
$712
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:47 am
SAN
- OPO
2 stops21h 38m
Delta
Wed 4/295:00 am
OPO
- SAN
2 stops20h 34m
Delta
Deal found 3/10![Delta logo]()
$764
This KLM deal was found by Cheapflights users on 3/12. 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.
Tue 4/141:40 pm
SAN
- OPO
1 stop37h 00m
KLM
Sun 5/105:55 am
OPO
- SAN
2 stops20h 08m
KLM
Deal found 3/12![KLM logo]()
$775
This Delta deal was found by Cheapflights users on 3/13. 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.
Tue 4/211:40 pm
SAN
- OPO
1 stop24h 35m
Delta
Sun 4/265:00 am
OPO
- SAN
2 stops25h 36m
Delta
Deal found 3/13![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:15 pm
SAN
- OPO
2 stops22h 50m
Delta
Sun 5/105:55 am
OPO
- SAN
2 stops24h 05m
Delta
Deal found 3/10![Delta logo]()
$774
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:15 am
SAN
- OPO
2 stops31h 45m
Delta
Wed 7/85:55 am
OPO
- SAN
2 stops25h 48m
Delta
Deal found 3/10![Delta logo]()
$851
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:40 pm
SAN
- OPO
1 stop20h 40m
Delta
Thu 7/169:25 am
OPO
- SAN
2 stops22h 18m
Delta
Deal found 3/10![Delta logo]()
$936
Last-minute flights from San Diego to PortoDiscover last-minute flight deals from San Diego to Porto. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Porto. Data last updated March 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:40 pm
SAN
- OPO
1 stop17h 50m
Delta
Sun 5/105:55 am
OPO
- SAN
2 stops22h 44m
Delta
Deal found 3/10![Delta logo]()
$774
This KLM deal was found by Cheapflights users on 3/12. 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.
Tue 4/141:40 pm
SAN
- OPO
1 stop37h 00m
KLM
Sun 5/105:55 am
OPO
- SAN
2 stops20h 08m
KLM
Deal found 3/12![KLM logo]()
$775
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 4/211:40 pm
SAN
- OPO
1 stop37h 00m
KLM
Sun 4/265:00 am
OPO
- SAN
2 stops20h 34m
KLM
Deal found 3/14![KLM logo]()
$767
This Delta deal was found by Cheapflights users on 3/13. 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.
Tue 4/211:40 pm
SAN
- OPO
1 stop24h 35m
Delta
Sun 4/265:00 am
OPO
- SAN
2 stops25h 36m
Delta
Deal found 3/13![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:47 am
SAN
- OPO
2 stops21h 38m
Delta
Wed 4/295:00 am
OPO
- SAN
2 stops20h 34m
Delta
Deal found 3/10![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:05 am
SAN
- OPO
2 stops24h 05m
Delta
Sat 5/25:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/11![Delta logo]()
$812
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 4/281:40 pm
SAN
- OPO
1 stop20h 40m
KLM
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 3/14![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 4/2810:05 am
SAN
- OPO
2 stops21h 25m
Delta
Tue 5/55:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 3/14![Delta logo]()
$712
One-way flights from San Diego to PortoSearch for one-way flight options from San Diego to Porto. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
Search for one-way flight options from San Diego to Porto. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:12 pm
SAN
- OPO
2 stops49h 38m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Wed 5/273:30 pm
SAN
- OPO
3 stops48h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Mon 6/13:30 pm
SAN
- OPO
2 stops43h 05m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 5/287:00 am
SAN
- OPO
3 stops42h 25m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:35 am
SAN
- OPO
3 stops51h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 5/247:00 am
SAN
- OPO
3 stops48h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:18 pm
SAN
- OPO
3 stops52h 52m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$430
This Priceline deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:55 pm
SAN
- OPO
2 stops54h 15m
Air Canada
Deal found 3/11![Air Canada logo]()
$480
Find flight deals from San Diego to Porto
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (United Airlines) |
One-way from | $341 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $822 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Porto 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 March 15, 2026.
Use the filters below to find and compare flights from San Diego to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 4/28
1:40 pm-6:20 pm
1 stop20h 40m
Porto
Tue 5/5
5:00 am-11:50 am
1 stop14h 50m
$707
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 4/28
10:05 am-3:30 pm
2 stops21h 25m
Porto
Tue 5/5
5:00 am-11:50 am
1 stop14h 50m
$712
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Wed 4/22
9:47 am-3:25 pm
2 stops21h 38m
Porto
Wed 4/29
5:00 am-5:34 pm
2 stops20h 34m
$764
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 4/21
1:40 pm-10:15 pm
1 stop24h 35m
Porto
Sun 4/26
5:00 am-10:36 pm
2 stops25h 36m
$768
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 4/14
3:15 pm-10:05 pm
2 stops22h 50m
Porto
Sun 5/10
5:55 am-10:00 pm
2 stops24h 05m
$774
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 4/14
1:40 pm-10:40 am
1 stop37h 00m
Porto
Sun 5/10
5:55 am-6:03 pm
2 stops20h 08m
$775
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 5/18
6:15 am-10:00 pm
2 stops31h 45m
Porto
Wed 7/8
5:55 am-11:43 pm
2 stops25h 48m
$851
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 5/19
1:40 pm-6:20 pm
1 stop20h 40m
Porto
Thu 7/16
9:25 am-11:43 pm
2 stops22h 18m
$936
Cheapest one-way
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Wed 4/29
1:00 pm-8:25 pm
3 stops47h 25m
$365
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Wed 6/3
8:35 am-8:25 pm
3 stops51h 50m
$407
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from San Diego to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Porto in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on San Diego-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from San Diego with our price prediction graph.
SAN-OPO
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 Porto
What is the cheapest month to book a flight from San Diego to Porto?
Currently, March is the cheapest month in which you can book a flight from San Diego to Porto (average of $559). Flying from San Diego to Porto in July is currently the most expensive (average of $1,009). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Diego to Porto?
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated March 15, 2026.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa from San Diego to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Boarding
7.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Boarding
7.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from San Diego to Porto. 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 Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra
Browse thousands of different options on Cheapflights for your next trip
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San Diego and Porto flights
Browse other San Diego and Porto flight options. Last updated on March 15, 2026.
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 15, 2026.
Top 2 airlines flying from San Diego to Porto
Discover the top 2 airlines that operate flights from San Diego to Porto. 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 March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$611 | Average$877 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$615 | Average$1,192 | FlexibilityNo cancel fee | On-time69% |