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$414+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — OPO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$610
(Delta)

One-way from

$414
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$928
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, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amLGB - OPO
2 stops19h 30mDelta
Tue 11/2511:10 amOPO - LGB
2 stops42h 28mDelta
Deal found 9/16$610
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 10/297:00 amSNA - OPO
2 stops20h 30mKLM
Wed 11/56:00 amOPO - SNA
2 stops24h 28mKLM
Deal found 9/14$611
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:47 pmLGB - OPO
2 stops33h 43mDelta
Tue 11/2511:10 amOPO - LGB
2 stops42h 28mDelta
Deal found 9/16$615
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amLGB - OPO
2 stops19h 30mDelta
Wed 11/266:00 amOPO - LGB
2 stops62h 15mDelta
Deal found 9/16$617
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:15 pmLGB - OPO
2 stops37h 15mDelta
Wed 11/266:00 amOPO - LGB
2 stops62h 15mDelta
Deal found 9/16$622
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:47 pmLGB - OPO
2 stops33h 43mDelta
Tue 11/2511:10 amOPO - LGB
2 stops42h 28mDelta
Deal found 9/16$665
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:15 pmLGB - OPO
2 stops37h 15mDelta
Wed 11/266:00 amOPO - LGB
2 stops62h 15mDelta
Deal found 9/16$672
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amLGB - OPO
2 stops43h 30mDelta
Tue 11/2511:10 amOPO - LGB
2 stops42h 28mDelta
Deal found 9/16$686
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amLGB - OPO
2 stops43h 30mDelta
Wed 11/266:00 amOPO - LGB
2 stops62h 15mDelta
Deal found 9/16$693
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amLGB - OPO
2 stops19h 30mDelta
Mon 11/246:30 amOPO - LGB
2 stops41h 37mDelta
Deal found 9/16$726
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:47 pmLGB - OPO
2 stops33h 43mDelta
Mon 11/246:30 amOPO - LGB
2 stops47h 08mDelta
Deal found 9/16$732
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/31:48 pmSNA - OPO
2 stops35h 57mUnited Airlines
Tue 10/146:00 amOPO - SNA
2 stops24h 30mUnited Airlines
Deal found 9/15$779

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 September 16, 2025.
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

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 11/12

7:00 am-10:30 am

2 stops19h 30m

Porto

Tue 11/25

11:10 am-9:38 pm

2 stops42h 28m

$610

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

7:00 am-10:30 am

2 stops20h 30m

Porto

Wed 11/5

6:00 am-10:28 pm

2 stops24h 28m

$611

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Tue 11/11

4:47 pm-10:30 am

2 stops33h 43m

Porto

Tue 11/25

11:10 am-9:38 pm

2 stops42h 28m

$615

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 11/12

7:00 am-10:30 am

2 stops19h 30m

Porto

Wed 11/26

6:00 am-12:15 pm

2 stops62h 15m

$617

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Mon 11/10

7:00 am-10:30 am

2 stops19h 30m

Porto

Wed 11/26

6:00 am-12:15 pm

2 stops62h 15m

$617

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Tue 11/11

1:15 pm-10:30 am

2 stops37h 15m

Porto

Wed 11/26

6:00 am-12:15 pm

2 stops62h 15m

$622

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Fri 11/14

4:47 pm-10:30 am

2 stops33h 43m

Porto

Tue 11/25

11:10 am-9:38 pm

2 stops42h 28m

$665

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Fri 11/14

1:15 pm-10:30 am

2 stops37h 15m

Porto

Wed 11/26

6:00 am-12:15 pm

2 stops62h 15m

$672

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Thu 11/13

7:00 am-10:30 am

2 stops43h 30m

Porto

Wed 11/26

6:00 am-12:15 pm

2 stops62h 15m

$693

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 11/12

7:00 am-10:30 am

2 stops19h 30m

Porto

Thu 11/27

11:15 am-4:07 pm

2 stops36h 52m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 32 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 19h 30m. Fly via Delta, KLM, or United Airlines to get the fastest option. The distance between Orange County and Porto is about 5583 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Orange County to Porto one-way?

    $472 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $521 and $569, respectively.

  • 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.

  • What is the cheapest month to book a flight from Orange County to Porto?

    Currently, January is the cheapest month in which you can book a flight from Orange County to Porto (average of $523). Flying from Orange County to Porto in June is currently the most expensive (average of $1,027). 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.

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

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