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$245+ Cheap flights from Orange County 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — OPO
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Orange County to Porto

Keep the following information in mind while searching for Orange County to Porto flight deals. Data was last updated January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$443
(British Airways)

One-way from

$245
(Delta)

Popular in

December

Cheapest in

January

Average price

$627
Provider with most accurate pricing for Los Angeles-Porto flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Porto flights.
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From Orange County to Porto
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One-way flight from Orange County to Porto
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Orange County to Porto

Cheapest flights from Orange County to Porto
Explore the most affordable flight options available from Orange County to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This British Airways deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:45 am
SNA
-
OPO
2 stops25h 50m
British Airways
Mon 3/98:40 pm
OPO
-
SNA
2 stops20h 25m
British Airways
Deal found 1/14$443
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:45 am
SNA
-
OPO
2 stops18h 45m
United Airlines
Mon 3/912:35 pm
OPO
-
SNA
1 stop28h 34m
United Airlines
Deal found 1/14$486
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:15 am
SNA
-
OPO
2 stops23h 50m
United Airlines
Sat 3/76:00 am
OPO
-
SNA
2 stops21h 54m
United Airlines
Deal found 1/14$507
This Ovago deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:17 pm
SNA
-
OPO
2 stops22h 33m
British Airways
Mon 4/209:10 pm
OPO
-
SNA
2 stops26h 20m
British Airways
Deal found 1/15$515
This Air Canada deal was found by Cheapflights users on 1/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:30 pm
SNA
-
OPO
2 stops33h 20m
Air Canada
Tue 9/296:00 am
OPO
-
SNA
2 stops38h 29m
Air Canada
Deal found 1/14$541
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 1/2210:00 am
SNA
-
OPO
2 stops20h 45m
United Airlines
Mon 1/2612:30 pm
OPO
-
SNA
2 stops41h 54m
United Airlines
Deal found 1/13$577
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
SNA
-
OPO
2 stops24h 40m
United Airlines
Mon 4/276:00 am
OPO
-
SNA
2 stops48h 30m
United Airlines
Deal found 1/14$625
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:10 am
SNA
-
OPO
2 stops23h 35m
United Airlines
Mon 2/96:00 am
OPO
-
SNA
2 stops34h 58m
United Airlines
Deal found 1/15$657
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:29 pm
SNA
-
OPO
2 stops34h 16m
United Airlines
Sun 4/266:00 am
OPO
-
SNA
2 stops48h 30m
United Airlines
Deal found 1/16$673
This Booking.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:25 pm
SNA
-
OPO
2 stops39h 15m
Multiple Airlines
Sun 3/86:15 am
OPO
-
SNA
2 stops45h 35m
Multiple Airlines
Deal found 1/15$679
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:45 am
SNA
-
OPO
2 stops16h 55m
Iberia
Thu 2/269:55 pm
OPO
-
SNA
2 stops30h 28m
Iberia
Deal found 1/14$720

Cheapflights Fare Finder

 
Customize your flight search to find flights from Orange County 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 January 16, 2026.
Use the filters below to find and compare flights from Orange County to Porto that are best for you.

Fly from

Orange County

Fly to

Porto

Route

Depart

Return

Price

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

7:45 am-5:35 pm

2 stops25h 50m

Porto

Mon 3/9

8:40 pm-10:05 am

2 stops20h 25m

$443

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

6:45 am-9:30 am

2 stops18h 45m

Porto

Mon 3/9

12:35 pm-10:09 am

1 stop28h 34m

$486

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Sat 2/28

7:15 am-3:05 pm

2 stops23h 50m

Porto

Sat 3/7

6:00 am-7:54 pm

2 stops21h 54m

$507

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Mon 4/13

1:17 pm-7:50 pm

2 stops22h 33m

Porto

Mon 4/20

9:10 pm-3:30 pm

2 stops26h 20m

$515

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Thu 4/16

7:00 am-3:40 pm

2 stops24h 40m

Porto

Mon 4/27

6:00 am-10:30 pm

2 stops48h 30m

$625

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Thu 2/5

7:10 am-2:45 pm

2 stops23h 35m

Porto

Mon 2/9

6:00 am-8:58 am

2 stops34h 58m

$657

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Fri 4/17

3:29 pm-9:45 am

2 stops34h 16m

Porto

Sun 4/26

6:00 am-10:30 pm

2 stops48h 30m

$673

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Sun 3/1

12:25 pm-11:40 am

2 stops39h 15m

Porto

Sun 3/8

6:15 am-7:50 pm

2 stops45h 35m

$679

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Tue 2/17

6:45 am-7:40 am

2 stops16h 55m

Porto

Thu 2/26

9:55 pm-8:23 pm

2 stops30h 28m

$720

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Sat 2/21

6:45 am-4:00 pm

2 stops25h 15m

Porto

Wed 3/11

12:25 pm-10:05 am

2 stops28h 40m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 29 results
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Best time to book a flight from Orange County to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Orange County with our price prediction graph.
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 Orange County to Porto
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 Orange County to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Orange County?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Orange County to Porto.

  • How long is the flight from Orange County to Porto?

    There are many flights that can get you from Orange County to Porto in 18h 45m. Fly via British Airways or United Airlines to get the fastest option. The distance between Orange County and Porto is about 5578 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Orange County to Porto that include hotel bookings?

    Yes. In addition to deals on Orange County to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Orange County to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Porto.

  • Can I find deals for business class flights from Orange County to Porto?

    Yes. Cheapflights offers flight deals from Orange County to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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