HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$432+ Cheap flights from Orange County to Portugal

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LIS
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Orange County to Portugal 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 Orange County to Portugal

Keep the following information in mind while searching for Orange County to Portugal flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$722
(United Airlines)

One-way from

$432
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$871
Provider with most accurate pricing for Los Angeles-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Lisbon Humberto Delgado flights.
Search Deals
From Orange County to Portugal
Search Deals
One-way flight from Orange County to Portugal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Orange County to Portugal

Cheapest flights from Orange County to Portugal
Explore the most affordable flight options available from Orange County to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

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.
Wed 11/196:45 amSNA - LIS
2 stops18h 35mAir Canada
Tue 12/911:00 amLIS - SNA
2 stops42h 50mAir Canada
Deal found 4/25$627
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 12/289:04 pmSNA - LIS
2 stops29h 11mUnited Airlines
Fri 1/910:15 amLIS - SNA
2 stops19h 30mUnited Airlines
Deal found 4/24$649
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.
Wed 10/228:00 amSNA - OPO
2 stops17h 45mUnited Airlines
Fri 10/3112:35 pmOPO - SNA
2 stops27h 40mUnited Airlines
Deal found 4/24$722
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.
Sat 10/115:10 pmLGB - LIS
2 stops57h 35mDelta
Wed 10/2212:45 pmLIS - LGB
2 stops41h 01mDelta
Deal found 4/24$778
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:52 pmSNA - LIS
2 stops21h 58mLufthansa
Tue 5/205:05 amLIS - SNA
2 stops23h 44mLufthansa
Deal found 4/25$810
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:30 pmSNA - OPO
2 stops25h 50mMultiple Airlines
Thu 10/236:15 amOPO - SNA
2 stops38h 08mMultiple Airlines
Deal found 4/25$817
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:45 amSNA - LIS
2 stops38h 15mDelta
Tue 5/2012:45 pmLIS - SNA
2 stops29h 51mDelta
Deal found 4/25$830
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:35 pmSNA - FAO
2 stops39h 00mUnited Airlines
Tue 5/2011:40 amFAO - SNA
1 stop18h 20mUnited Airlines
Deal found 4/25$892
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/71:25 pmSNA - LIS
3 stops32h 25mMultiple Airlines
Sun 6/155:55 amLIS - SNA
3 stops38h 27mMultiple Airlines
Deal found 4/25$895
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:45 amSNA - FAO
2 stops22h 20mLufthansa
Mon 5/193:55 pmFAO - SNA
2 stops37h 00mLufthansa
Deal found 4/25$916
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:40 pmSNA - OPO
2 stops54h 55mAir Canada
Sun 7/2711:20 amOPO - SNA
2 stops33h 09mAir Canada
Deal found 4/25$1,034
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:05 pmSNA - OPO
2 stops17h 10mKLM
Fri 7/189:20 amOPO - SNA
2 stops21h 01mKLM
Deal found 4/25$1,060

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County to Portugal 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 25, 2025.
Use the filters below to find and compare flights from Orange County to Portugal that are best for you.

Fly from

Orange County

Fly to

Portugal

Route

Depart

Return

Price

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 10/22

8:00 am-9:45 am

2 stops17h 45m

Porto

Fri 10/31

12:35 pm-9:15 am

2 stops27h 40m

$722

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Sun 10/5

9:14 pm-9:20 am

2 stops28h 06m

Lisbon Humberto Delgado

Fri 10/24

11:25 am-5:26 pm

2 stops38h 01m

$759

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

8:20 am-8:20 am

2 stops16h 00m

Lisbon Humberto Delgado

Tue 5/20

11:25 am-11:56 am

2 stops32h 31m

$763

Long BeachLisbon

LGB - LIS

LGBLIS

Long Beach Municipal

Sat 10/11

5:10 pm-10:45 am

2 stops57h 35m

Lisbon Humberto Delgado

Wed 10/22

12:45 pm-9:46 pm

2 stops41h 01m

$778

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Wed 5/14

3:52 pm-9:50 pm

2 stops21h 58m

Lisbon Humberto Delgado

Tue 5/20

5:05 am-8:49 pm

2 stops23h 44m

$810

Santa AnaPorto

SNA - OPO

SNAOPO

Santa Ana J. Wayne/Orange Cnty

Wed 10/8

1:30 pm-11:20 pm

2 stops25h 50m

Porto

Thu 10/23

6:15 am-12:23 pm

2 stops38h 08m

$817

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Sun 5/11

9:45 am-8:00 am

2 stops38h 15m

Lisbon Humberto Delgado

Tue 5/20

12:45 pm-10:36 am

2 stops29h 51m

$830

Santa AnaFaro

SNA - FAO

SNAFAO

Santa Ana J. Wayne/Orange Cnty

Mon 5/12

1:35 pm-12:35 pm

2 stops39h 00m

Faro

Tue 5/20

11:40 am-10:00 pm

1 stop18h 20m

$892

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Sat 6/7

1:25 pm-5:50 am

3 stops32h 25m

Lisbon Humberto Delgado

Sun 6/15

5:55 am-12:22 pm

3 stops38h 27m

$895

Santa AnaFaro

SNA - FAO

SNAFAO

Santa Ana J. Wayne/Orange Cnty

Sun 5/11

8:45 am-3:05 pm

2 stops22h 20m

Faro

Mon 5/19

3:55 pm-8:55 pm

2 stops37h 00m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from Orange County to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, January is the cheapest month in which you can book a flight from Orange County to Portugal (average of $612). Flying from Orange County to Portugal in June is currently the most expensive (average of $1,203). 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.

What is the cheapest time of day to fly from KFI to PT?

Find hourly flight availability from Orange County to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

When flying from Orange County to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated April 25, 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Orange County to Portugal by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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.
WestJet
7.2
Good
2,818 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7.0
Good
9,210 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Orange County to Portugal are United Airlines ($432), Air Canada ($440), and Delta ($444).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Orange County to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Orange County to Portugal (average of $612). Flying from Orange County to Portugal in June is currently the most expensive (average of $1,203). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Orange County to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Charles de Gaulle flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Madrid flights
Los Angeles to London City flights
Los Angeles to Istanbul flights
San Francisco to Gatwick flights
Los Angeles to Gatwick flights
San Francisco to London City flights
San Francisco to Istanbul flights
San Francisco to Frankfurt flights
Los Angeles to Dublin flights
Los Angeles to Amsterdam flights
Los Angeles to Frankfurt flights
San Francisco to Orly flights
San Francisco to Lisbon flights
Los Angeles to Lisbon flights
San Francisco to Dublin flights
San Diego to Heathrow flights
San Francisco to Madrid flights
San Francisco to Amsterdam flights
Los Angeles to Orly flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Copenhagen flights
Los Angeles to Malpensa flights
Ontario to Heathrow flights
Los Angeles to Athens flights
San Francisco to Malpensa flights
San Francisco to Athens flights
Los Angeles to Zurich flights
San Francisco to Zurich flights
Ontario to Charles de Gaulle flights
Los Angeles to Luton flights
San Francisco to Munich flights
Los Angeles to Munich flights
San Francisco to Linate flights
Los Angeles to Linate flights
Burbank to Leonardo da Vinci/Fiumicino flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Santa Ana to Charles de Gaulle flights
Burbank to Charles de Gaulle flights
Los Angeles to Vicenza flights
Las Vegas to Heathrow flights
Los Angeles to Copenhagen flights
Los Angeles to Frederic Chopin flights

Top 3 airlines flying from Orange County to Portugal

Discover the top 3 airlines that operate flights from Orange County to Portugal. 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$540Average$872FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$734Average$949FlexibilityNo cancel feeOn-time69%
KLMCheapest$771Average$849FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.