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$583+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — OPO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,039
(Delta)

One-way from

$583
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$1,102
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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Highest demand for flights based on searches. 12% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 5/1. 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 9/117:15 amSNA - OPO
2 stops24h 15mDelta
Wed 9/246:15 amOPO - SNA
2 stops22h 24mDelta
Deal found 5/1$1,039
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 5/211:35 pmSNA - OPO
2 stops25h 45mMultiple Airlines
Tue 5/278:40 amOPO - SNA
2 stops35h 52mMultiple Airlines
Deal found 4/30$1,048
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/1110:30 amSNA - OPO
2 stops40h 45mUnited Airlines
Wed 9/2412:35 pmOPO - SNA
3 stops28h 41mUnited Airlines
Deal found 4/30$1,124
This Delta deal was found by Cheapflights users on 4/30. 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 5/217:01 amLGB - OPO
2 stops31h 14mDelta
Tue 5/274:20 pmOPO - LGB
2 stops51h 55mDelta
Deal found 4/30$1,219
This Lufthansa deal was found by Cheapflights users on 4/30. 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 5/209:52 amSNA - OPO
2 stops21h 53mLufthansa
Tue 5/276:15 amOPO - SNA
2 stops22h 37mLufthansa
Deal found 4/30$1,560
This KLM deal was found by Cheapflights users on 4/30. 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.
Sat 6/147:01 amLGB - OPO
2 stops24h 34mKLM
Sat 6/216:05 amOPO - LGB
2 stops23h 36mKLM
Deal found 4/30$1,759
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/147:01 amLGB - OPO
3 stops31h 09mMultiple Airlines
Sat 6/217:35 amOPO - LGB
3 stops22h 06mMultiple Airlines
Deal found 4/30$2,435

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 May 1, 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

Thu 9/11

7:15 am-3:30 pm

2 stops24h 15m

Porto

Wed 9/24

6:15 am-8:39 pm

2 stops22h 24m

$1,039

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 5/21

1:35 pm-11:20 pm

2 stops25h 45m

Porto

Tue 5/27

8:40 am-12:32 pm

2 stops35h 52m

$1,048

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Thu 9/11

10:30 am-11:15 am

2 stops40h 45m

Porto

Wed 9/24

12:35 pm-9:16 am

3 stops28h 41m

$1,124

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Wed 5/21

7:01 am-10:15 pm

2 stops31h 14m

Porto

Tue 5/27

4:20 pm-12:15 pm

2 stops51h 55m

$1,219

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Tue 5/20

9:52 am-3:45 pm

2 stops21h 53m

Porto

Tue 5/27

6:15 am-8:52 pm

2 stops22h 37m

$1,560

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Sat 6/14

7:01 am-3:35 pm

2 stops24h 34m

Porto

Sat 6/21

6:05 am-9:41 pm

2 stops23h 36m

$1,759

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Sat 6/14

7:01 am-10:10 pm

3 stops31h 09m

Porto

Sat 6/21

7:35 am-9:41 pm

3 stops22h 06m

$2,435

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Sun 9/21

12:36 pm-9:45 am

1 stop13h 09m

$583

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

Sun 9/21

7:10 am-3:30 pm

2 stops24h 20m

$601

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Sat 9/20

1:30 pm-10:50 pm

2 stops49h 20m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 results
1
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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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7.4
Good
346 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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.
Iberia
7.0
Good
2,701 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

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?

    $583 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Lufthansa, with prices starting from $601 and $646, 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 $1,071). 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 Orange County?

Book flights to Orange County if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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