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$409+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — OPO
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
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 July 14, 2025.

Round-trip from

$800
(United Airlines)

One-way from

$409
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,126
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, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 14, 2025.

This United Airlines deal was found by Cheapflights users on 7/13. 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 8/277:30 amSNA - OPO
2 stops17h 50mUnited Airlines
Wed 9/312:05 pmOPO - SNA
2 stops28h 50mUnited Airlines
Deal found 7/13$800
This KLM deal was found by Cheapflights users on 7/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/271:15 pmLGB - OPO
2 stops22h 20mKLM
Wed 9/36:15 amOPO - LGB
2 stops23h 28mKLM
Deal found 7/13$871
This FlightHub deal was found by Cheapflights users on 7/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:53 amSNA - OPO
2 stops19h 52mLufthansa
Tue 8/266:00 amOPO - SNA
2 stops22h 33mLufthansa
Deal found 7/13$876
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/271:15 pmLGB - OPO
2 stops25h 00mDelta
Wed 9/36:15 amOPO - LGB
2 stops18h 11mDelta
Deal found 7/12$882
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:08 pmLGB - OPO
3 stops30h 52mMultiple Airlines
Wed 9/37:15 amOPO - LGB
3 stops22h 28mMultiple Airlines
Deal found 7/13$1,689
This Lufthansa deal was found by Cheapflights users on 7/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:37 amSNA - OPO
2 stops22h 08mMultiple Airlines
Tue 9/28:40 amOPO - SNA
2 stops19h 48mMultiple Airlines
Deal found 7/13$5,248

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 July 14, 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

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

7:30 am-9:20 am

2 stops17h 50m

Porto

Wed 9/3

12:05 pm-8:55 am

2 stops28h 50m

$800

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 8/27

1:15 pm-7:35 pm

2 stops22h 20m

Porto

Wed 9/3

6:15 am-9:43 pm

2 stops23h 28m

$871

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Tue 8/19

11:53 am-3:45 pm

2 stops19h 52m

Porto

Tue 8/26

6:00 am-8:33 pm

2 stops22h 33m

$876

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 8/27

1:15 pm-10:15 pm

2 stops25h 00m

Porto

Wed 9/3

6:15 am-4:26 pm

2 stops18h 11m

$882

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 8/27

5:08 pm-8:00 am

3 stops30h 52m

Porto

Wed 9/3

7:15 am-9:43 pm

3 stops22h 28m

$1,689

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Thu 8/28

9:37 am-3:45 pm

2 stops22h 08m

Porto

Tue 9/2

8:40 am-8:28 pm

2 stops19h 48m

$5,248

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 8/13

6:45 am-9:20 am

2 stops18h 35m

$409

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

4:42 pm-7:50 pm

2 stops19h 08m

$414

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 8/13

6:50 am-3:45 pm

3 stops24h 55m

$484

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

2:47 pm-3:55 pm

2 stops17h 08m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 13 results
1
2

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.

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 July 14, 2025.
Read through reviews of airlines operating flights from Orange County to Porto, such as Delta, KLM, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Brussels Airlines
7.3
Good
350 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,725 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $409 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $414 and $484, 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 $1,032). 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
Coimbra
Matosinhos

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