$437+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OPO
May 26 — Jun 21
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
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
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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 April 26, 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 April 26, 2026.
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:55 pm
SAN
- OPO
2 stops30h 05m
Multiple Airlines
Tue 10/136:20 am
OPO
- SAN
1 stop17h 05m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 9/287:41 pm
SAN
- OPO
3 stops27h 19m
United Airlines
Wed 10/1412:45 pm
OPO
- SAN
2 stops40h 00m
United Airlines
Deal found 4/22![United Airlines logo]()
$778
This Justfly.com deal was found by Cheapflights users on 4/25. 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.
Mon 9/285:15 pm
SAN
- OPO
1 stop22h 10m
Lufthansa
Tue 10/136:20 am
OPO
- SAN
1 stop17h 05m
Lufthansa
Deal found 4/25![Lufthansa logo]()
$779
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:15 pm
SAN
- OPO
1 stop22h 10m
Lufthansa
Tue 10/136:20 am
OPO
- SAN
1 stop17h 05m
Lufthansa
Deal found 4/22![Lufthansa logo]()
$780
This Delta deal was found by Cheapflights users on 4/22. 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 9/276:20 am
SAN
- OPO
2 stops25h 10m
Delta
Thu 10/155:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 4/22![Delta logo]()
$783
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 9/287:00 am
SAN
- OPO
1 stop19h 30m
Delta
Fri 10/95:00 am
OPO
- SAN
2 stops21h 55m
Delta
Deal found 4/22![Delta logo]()
$788
This KLM deal was found by Cheapflights users on 4/22. 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.
Sun 9/2710:10 pm
SAN
- OPO
1 stop28h 20m
KLM
Wed 10/147:10 pm
OPO
- SAN
1 stop24h 40m
KLM
Deal found 4/22![KLM logo]()
$790
This Air France deal was found by Cheapflights users on 4/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:50 pm
SAN
- OPO
2 stops18h 35m
Multiple Airlines
Thu 10/155:00 am
OPO
- SAN
2 stops20h 59m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 4/22. 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 9/2710:00 am
SAN
- OPO
2 stops21h 30m
Delta
Fri 10/95:00 am
OPO
- SAN
2 stops21h 55m
Delta
Deal found 4/22![Delta logo]()
$793
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 April 26, 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 April 26, 2026.
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:00 pm
SAN
- OPO
1 stop28h 20m
KLM
Wed 8/124:20 pm
OPO
- SAN
1 stop27h 30m
KLM
Deal found 4/21![KLM logo]()
$988
This Delta deal was found by Cheapflights users on 4/21. 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 7/76:15 am
SAN
- OPO
2 stops20h 15m
Delta
Mon 7/209:25 am
OPO
- SAN
2 stops21h 32m
Delta
Deal found 4/21![Delta logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 4/24. 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 6/76:40 am
SAN
- OPO
1 stop16h 15m
United Airlines
Fri 6/269:00 am
OPO
- SAN
1 stop18h 52m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,041
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:30 am
SAN
- OPO
1 stop19h 00m
KLM
Tue 6/25:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 4/21![KLM logo]()
$1,024
This Delta deal was found by Cheapflights users on 4/23. 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 6/97:20 am
SAN
- OPO
2 stops24h 05m
Delta
Tue 6/165:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 4/23![Delta logo]()
$1,024
This KLM deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:30 am
SAN
- OPO
1 stop19h 00m
KLM
Mon 6/14:20 pm
OPO
- SAN
1 stop27h 30m
KLM
Deal found 4/26![KLM logo]()
$1,024
This Delta deal was found by Cheapflights users on 4/24. 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 5/266:15 am
SAN
- OPO
2 stops20h 15m
Delta
Tue 6/25:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 4/24![Delta logo]()
$1,028
This Delta deal was found by Cheapflights users on 4/26. 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 6/1011:34 am
SAN
- OPO
2 stops19h 51m
Delta
Wed 6/1712:40 pm
OPO
- SAN
1 stop18h 59m
Delta
Deal found 4/26![Delta logo]()
$1,045
This Delta deal was found by Cheapflights users on 4/23. 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 6/710:17 pm
SAN
- OPO
2 stops28h 13m
Delta
Tue 6/165:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 4/23![Delta logo]()
$1,047
This Delta deal was found by Cheapflights users on 4/21. 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.
Sat 6/1310:00 pm
SAN
- OPO
1 stop28h 25m
Delta
Thu 7/99:25 am
OPO
- SAN
2 stops22h 18m
Delta
Deal found 4/21![Delta logo]()
$1,048
Last-minute flights from San Diego to PortoDiscover last-minute flight deals from San Diego to Porto. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Porto. Data last updated April 26, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:15 pm
SAN
- OPO
1 stop22h 10m
Lufthansa
Tue 5/126:20 am
OPO
- SAN
1 stop17h 05m
Lufthansa
Deal found 4/23![Lufthansa logo]()
$893
This United Airlines deal was found by Cheapflights users on 4/24. 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 4/276:32 am
SAN
- OPO
2 stops19h 13m
United Airlines
Tue 5/126:00 am
OPO
- SAN
2 stops21h 55m
United Airlines
Deal found 4/24![United Airlines logo]()
$912
This Air France deal was found by Cheapflights users on 4/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:54 am
SAN
- OPO
2 stops19h 31m
Multiple Airlines
Tue 5/125:00 am
OPO
- SAN
1 stop14h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$913
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:15 pm
SAN
- OPO
1 stop22h 10m
Lufthansa
Sun 5/176:20 am
OPO
- SAN
1 stop17h 05m
Lufthansa
Deal found 4/22![Lufthansa logo]()
$976
This Air France deal was found by Cheapflights users on 4/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:54 am
SAN
- OPO
2 stops19h 31m
Multiple Airlines
Sun 5/175:00 am
OPO
- SAN
2 stops18h 56m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$988
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:30 am
SAN
- OPO
1 stop19h 00m
KLM
Tue 6/25:00 am
OPO
- SAN
1 stop14h 50m
KLM
Deal found 4/21![KLM logo]()
$1,024
This Delta deal was found by Cheapflights users on 4/24. 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 5/266:15 am
SAN
- OPO
2 stops20h 15m
Delta
Tue 6/25:00 am
OPO
- SAN
1 stop14h 50m
Delta
Deal found 4/24![Delta logo]()
$1,028
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 April 26, 2026.
Search for one-way flight options from San Diego to Porto. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Mon 5/115:15 pm
SAN
- OPO
2 stops40h 15m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 am
SAN
- OPO
3 stops43h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 6/23:30 pm
SAN
- OPO
2 stops45h 50m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 7/188:52 pm
SAN
- OPO
2 stops50h 18m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:15 pm
SAN
- OPO
2 stops56h 55m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/219:06 pm
SAN
- OPO
3 stops51h 29m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$586
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 April 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $777 (FlightHub) |
One-way from | $437 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $857 |
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 April 26, 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
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Fri 7/3
10:00 pm-10:20 am
1 stop28h 20m
Porto
Wed 8/12
4:20 pm-11:50 am
1 stop27h 30m
$988
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 7/7
6:15 am-10:30 am
2 stops20h 15m
Porto
Mon 7/20
9:25 am-10:57 pm
2 stops21h 32m
$1,022
Quickest round-trip
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 5/26
7:30 am-10:30 am
1 stop19h 00m
Porto
Tue 6/2
5:00 am-11:50 am
1 stop14h 50m
$1,024
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 6/9
7:20 am-3:25 pm
2 stops24h 05m
Porto
Tue 6/16
5:00 am-11:50 am
1 stop14h 50m
$1,024
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 5/25
7:30 am-10:30 am
1 stop19h 00m
Porto
Mon 6/1
4:20 pm-11:50 am
1 stop27h 30m
$1,024
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 5/26
6:15 am-10:30 am
2 stops20h 15m
Porto
Tue 6/2
5:00 am-11:50 am
1 stop14h 50m
$1,028
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Sun 6/7
6:40 am-6:55 am
1 stop16h 15m
Porto
Fri 6/26
9:00 am-7:52 pm
1 stop18h 52m
$1,041
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Wed 6/10
11:34 am-3:25 pm
2 stops19h 51m
Porto
Wed 6/17
12:40 pm-11:39 pm
1 stop18h 59m
$1,045
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Sun 6/7
10:17 pm-10:30 am
2 stops28h 13m
Porto
Tue 6/16
5:00 am-11:50 am
1 stop14h 50m
$1,047
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Sat 6/13
10:00 pm-10:25 am
1 stop28h 25m
Porto
Thu 7/9
9:25 am-11:43 pm
2 stops22h 18m
$1,048
Showing 1-10 of 18 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 April.
| 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 |
- 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 $648). Flying from San Diego to Porto in August is currently the most expensive (average of $1,305). 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 April 26, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, 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.
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to 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
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San Diego and Porto flights
Browse other San Diego and Porto flight options. Last updated on April 26, 2026.
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Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 26, 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 2,558,603 searches. Data last updated April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$1,087 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$585 | Average$1,040 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$611 | Average$788 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$615 | Average$1,192 | FlexibilityNo cancel fee | On-time69% |