HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$291+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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.

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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 12/119:49 amSNA - LIS
2 stops21h 21mDelta
Mon 12/155:00 amLIS - SNA
2 stops23h 18mDelta
Deal found 10/30$500
This Delta deal was found by Cheapflights users on 10/29. 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 12/57:15 amSNA - LIS
2 stops17h 45mDelta
Tue 12/910:00 amLIS - SNA
2 stops20h 04mDelta
Deal found 10/29$511
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amLGB - LIS
2 stops41h 00mAir France
Thu 12/115:30 amLIS - LGB
2 stops18h 39mAir France
Deal found 10/30$512
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/510:02 amSNA - LIS
2 stops16h 13mUnited Airlines
Tue 12/95:00 amLIS - SNA
2 stops21h 47mUnited Airlines
Deal found 10/28$521
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:25 pmSNA - LIS
2 stops21h 05mLufthansa
Tue 11/185:00 amLIS - SNA
2 stops21h 18mLufthansa
Deal found 10/30$529
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/46:25 pmSNA - LIS
3 stops31h 50mUnited Airlines
Tue 11/185:00 amLIS - SNA
2 stops20h 48mUnited Airlines
Deal found 10/30$536
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:45 amSNA - LIS
2 stops17h 20mMultiple Airlines
Sat 12/610:40 amLIS - SNA
2 stops20h 19mMultiple Airlines
Deal found 10/30$560
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/196:45 amSNA - LIS
2 stops19h 30mUnited Airlines
Tue 12/911:20 amLIS - SNA
2 stops43h 08mUnited Airlines
Deal found 10/28$571
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:30 pmSNA - LIS
2 stops17h 20mLufthansa
Fri 12/56:10 amLIS - SNA
2 stops19h 28mLufthansa
Deal found 10/29$585
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/107:34 pmSNA - OPO
2 stops29h 56mUnited Airlines
Wed 11/2612:35 pmOPO - SNA
2 stops30h 42mUnited Airlines
Deal found 10/28$734
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:10 amSNA - OPO
2 stops19h 05mLufthansa
Wed 11/56:00 amOPO - SNA
2 stops23h 03mLufthansa
Deal found 10/28$751
This Delta deal was found by Cheapflights users on 10/29. 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 11/237:00 amLGB - LIS
2 stops41h 00mDelta
Mon 12/111:25 amLIS - LGB
2 stops42h 20mDelta
Deal found 10/29$911

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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$496
(Cheapflightsfares)

One-way from

$291
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$695
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. 7% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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 AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Thu 12/11

9:49 am-3:10 pm

2 stops21h 21m

Lisbon Humberto Delgado

Mon 12/15

5:00 am-8:18 pm

2 stops23h 18m

$500

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Fri 12/5

7:15 am-9:00 am

2 stops17h 45m

Lisbon Humberto Delgado

Tue 12/9

10:00 am-10:04 pm

2 stops20h 04m

$511

Long BeachLisbon

LGB - LIS

LGBLIS

Long Beach Municipal

Tue 12/2

7:00 am-8:00 am

2 stops41h 00m

Lisbon Humberto Delgado

Thu 12/11

5:30 am-4:09 pm

2 stops18h 39m

$512

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Fri 1/16

11:05 am-1:20 pm

2 stops18h 15m

Lisbon Humberto Delgado

Fri 1/30

6:10 am-5:28 pm

2 stops19h 18m

$519

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Sat 1/17

11:05 am-1:20 pm

2 stops18h 15m

Lisbon Humberto Delgado

Fri 1/30

6:10 am-5:28 pm

2 stops19h 18m

$519

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Fri 12/5

7:10 am-10:15 am

2 stops19h 05m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-8:42 pm

2 stops23h 42m

$521

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Tue 2/10

11:05 am-11:30 pm

2 stops28h 25m

Lisbon Humberto Delgado

Sat 2/28

5:00 am-8:50 pm

2 stops23h 50m

$521

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Fri 12/12

8:55 am-8:50 am

2 stops15h 55m

Lisbon Humberto Delgado

Fri 12/19

11:05 am-9:26 pm

2 stops18h 21m

$535

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Tue 2/10

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Sat 2/28

10:15 am-7:54 pm

1 stop17h 39m

$535

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Sat 11/29

7:45 am-9:05 am

2 stops17h 20m

Lisbon Humberto Delgado

Sat 12/6

10:40 am-10:59 pm

2 stops20h 19m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results
1
2
3
...
6

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 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Orange County to Portugal in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

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 October 30, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Orange County to Portugal to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7.7
Good
1,406 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,998 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

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.

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

    For as low as $519, Delta can have you in Portugal from Orange County in 18h 15m. There are 5663 mi between Orange County and Portugal. 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 Portugal one-way?

    The cheapest airlines for a one-way flight from Orange County to Portugal are Air Canada ($291), Lufthansa ($303), and Air France ($310).

  • 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.

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
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Gatwick flights
Los Angeles to Orly flights
Los Angeles to Madrid flights
Los Angeles to London City flights
Los Angeles to Frankfurt flights
San Francisco to Gatwick flights
San Francisco to Istanbul flights
Los Angeles to Barcelona-El Prat flights
San Francisco to London City flights
San Francisco to Frankfurt flights
San Francisco to Lisbon flights
Los Angeles to Amsterdam flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Stansted flights
Ontario to Charles de Gaulle flights
San Francisco to Madrid flights
San Francisco to Orly flights
Los Angeles to Dublin flights
Los Angeles to Luton flights
San Francisco to Amsterdam flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Zurich flights
Ontario to Heathrow flights
San Francisco to Stansted flights
Santa Ana to Charles de Gaulle flights
San Francisco to Zurich flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Lisbon flights
San Diego to Heathrow flights
San Francisco to Dublin flights
Santa Ana to Heathrow flights
Burbank to Charles de Gaulle flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Los Angeles to Munich flights
Los Angeles to Copenhagen flights
San Francisco to Luton flights
San Francisco to Munich flights
Los Angeles to Athens flights
Los Angeles to Sabiha Gokcen flights
San Jose to Charles de Gaulle flights
Los Angeles to Malpensa flights
San Francisco to Malpensa flights
Las Vegas to Heathrow flights
Los Angeles to Linate flights

Top 4 airlines flying from Orange County to Portugal

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$540Average$954FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$638Average$905FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$661Average$770FlexibilityNo cancel feeOn-time70%
KLMCheapest$771Average$959FlexibilityNo 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.