$351+ Cheap flights from San Diego (SAN) to Porto (OPO)
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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OPO
Oct 24 — Oct 311
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 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
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 Porto
Cheapest
Best
Last-minute
One-way
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 September 24, 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 September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/1010:40 am -
2 stops14h 50m
Thu 11/1912:35 pm -
2 stops28h 52m
Deal found 9/19![United Airlines logo]()
$609
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 9/19![Multiple Airlines logo]()
$610
This Expedia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/36:15 am -
2 stops21h 30m
Tue 11/108:40 pm -
2 stops30h 35m
Deal found 9/19![Iberia logo]()
$621
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 9/23![Delta logo]()
$628
This KLM deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:05 pm -
1 stop17h 20m
Thu 11/1910:15 am -
1 stop21h 44m
Deal found 9/19![KLM logo]()
$630
This KAYAK deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:20 pm -
1 stop27h 10m
Mon 12/147:20 pm -
2 stops33h 17m
Deal found 9/20![SWISS logo]()
$633
This Justfly.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/65:15 pm -
1 stop22h 10m
Wed 10/148:40 am -
2 stops20h 05m
Deal found 9/23![Multiple Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/65:15 pm -
1 stop22h 10m
Wed 10/146:20 am -
1 stop17h 05m
Deal found 9/19![Lufthansa logo]()
$656
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/210:30 pm -
2 stops27h 00m
Sun 12/1312:35 pm -
1 stop16h 37m
Deal found 9/23![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/19:40 pm -
1 stop27h 50m
Sun 12/1312:35 pm -
1 stop16h 37m
Deal found 9/23![United Airlines logo]()
$662
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 September 24, 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 September 24, 2026.
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/276:15 am -
2 stops21h 20m
Tue 11/35:00 am -
1 stop15h 10m
Deal found 9/19![Delta logo]()
$628
This KLM deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/61:40 pm -
1 stop17h 50m
Wed 10/147:10 pm -
1 stop24h 40m
Deal found 9/20![KLM logo]()
$674
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/19:40 pm -
1 stop27h 50m
Mon 12/1412:35 pm -
1 stop16h 37m
Deal found 9/19![United Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/611:31 am -
2 stops19h 54m
Wed 10/145:00 am -
2 stops21h 02m
Deal found 9/20![Delta logo]()
$676
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:05 pm -
2 stops19h 15m
Fri 11/136:00 am -
3 stops22h 37m
Deal found 9/22![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/116:15 am -
2 stops18h 00m
Fri 12/255:55 am -
2 stops22h 58m
Deal found 9/20![Delta logo]()
$766
This KLM deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/81:40 pm -
1 stop17h 50m
Mon 10/125:00 am -
2 stops18h 10m
Deal found 9/22![KLM logo]()
$936
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/67:41 pm -
3 stops27h 19m
Wed 10/1412:35 pm -
2 stops28h 57m
Deal found 9/20![United Airlines logo]()
$930
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 12/244:15 pm -
2 stops21h 45m
Thu 1/75:55 am -
2 stops22h 53m
Deal found 9/21![Delta logo]()
$846
Last-minute flights from San Diego to PortoDiscover last-minute flight deals from San Diego to Porto. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Porto. Data last updated September 24, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/65:15 pm -
1 stop22h 10m
Wed 10/148:40 am -
2 stops20h 05m
Deal found 9/23![Multiple Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/65:15 pm -
1 stop22h 10m
Wed 10/146:20 am -
1 stop17h 05m
Deal found 9/19![Lufthansa logo]()
$656
This KLM deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/61:40 pm -
1 stop17h 50m
Wed 10/147:10 pm -
1 stop24h 40m
Deal found 9/23![KLM logo]()
$674
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/610:57 am -
2 stops20h 28m
Wed 10/145:00 am -
2 stops21h 02m
Deal found 9/21![Delta logo]()
$676
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/116:15 am -
2 stops20h 10m
Fri 10/235:55 am -
2 stops21h 19m
Deal found 9/23![Delta logo]()
$663
This Iberia deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Mon 10/2610:06 am -
2 stops18h 39m
Sun 11/18:40 pm -
2 stops30h 35m
Deal found 9/20![Iberia logo]()
$670
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Mon 10/2611:33 am -
2 stops17h 12m
Sun 11/18:40 pm -
2 stops30h 35m
Deal found 9/19![Multiple Airlines logo]()
$672
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 9/19![Multiple Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 9/23![Delta logo]()
$628
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 September 24, 2026.
Search for one-way flight options from San Diego to Porto. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Air France deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 3/238:00 am -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air France logo]()
$351
This Expedia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Fri 1/224:06 pm -
2 stops35h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![SWISS logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 1/227:41 pm -
3 stops31h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$421
This Lufthansa deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Tue 3/236:35 pm -
1 stop35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Lufthansa logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 3/2312:10 pm -
3 stops40h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/116:15 am -
3 stops50h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/116:15 am -
2 stops20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 1/227:15 am -
1 stop19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$811
This KAYAK deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/229:55 pm -
4 stops48h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Ethiopian Air logo]()
$1,494
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 September 24, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $609 (United Airlines) |
One-way from | $351 (Air France) |
Popular in | May |
Cheapest in | February |
Average price | $947 |
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 7,457,451 searches. Data last updated September 24, 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 San Diego - OPO Porto
SANOPO
San Diego
Tue 3/23
8:00 am-10:35 am
2 stops19h 35m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$351
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Fri 1/22
7:41 pm-11:40 am
3 stops31h 59m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$421
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Tue 3/23
6:35 pm-1:15 pm
1 stop35h 40m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$456
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Tue 3/23
12:10 pm-11:45 am
3 stops40h 35m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$492
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Sun 10/11
6:15 am-4:20 pm
3 stops50h 05m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$519
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Sun 10/11
6:15 am-10:25 am
2 stops20h 10m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$539
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Tue 10/27
6:15 am-10:35 am
2 stops21h 20m
Porto
Tue 11/3
5:00 am-12:10 pm
1 stop15h 10m
$628
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Tue 10/6
1:40 pm-3:30 pm
1 stop17h 50m
Porto
Wed 10/14
7:10 pm-11:50 am
1 stop24h 40m
$674
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Tue 10/6
11:31 am-3:25 pm
2 stops19h 54m
Porto
Wed 10/14
5:00 am-6:02 pm
2 stops21h 02m
$676
San DiegoPorto
SAN San Diego - OPO Porto
SANOPO
San Diego
Sun 11/1
9:40 pm-9:30 am
1 stop27h 50m
Porto
Mon 12/14
12:35 pm-9:12 pm
1 stop16h 37m
$715
Showing 1-10 of 16 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Diego-Porto flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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, February is the cheapest month in which you can book a flight from San Diego to Porto (average of $585). Flying from San Diego to Porto in May is currently the most expensive (average of $1,342). 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?
Airfare is below average for this route at the moment.
San Diego to Porto flights typically cost between $813 and $1,118 in November.The cheapest round-trip price found within the last 5 days was $609 on United Airlines (Nov 10-Nov 19).
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 September 24, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited Airlines 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.
Boarding
7.8
Entertainment
7.2
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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
Arcos de Valdevez
Coimbra
Aveiro
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
Other flights from San Diego
Popular flights
Porto flight routes
Alternative routes for San Diego to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Porto by cabin class
Find flights from San Diego to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Porto flights
Browse other San Diego and Porto flight options. Last updated on September 24, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
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 September 24, 2026.
Top 4 airlines flying from San Diego to Porto
Discover the top 4 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$963 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$632 | Average$1,061 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$784 | Average$1,342 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$797 | Average$1,140 | FlexibilityNo cancel fee | On-time69% |