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$229+ Cheap flights from Irvine, CA 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Irvine to Portugal

Keep the following information in mind while searching for Irvine to Portugal flight deals. Data was last updated September 16, 2025.

Round-trip from

$470
(Scandinavian Airlines)

One-way from

$229
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$823
From Irvine to Portugal
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One-way flight from Irvine to Portugal
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Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 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 Irvine to Portugal

Cheapest flights from Irvine to Portugal
Explore the most affordable flight options available from Irvine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:30 pmLAX - FAO
1 stop30h 30mScandinavian Airlines
Sat 11/225:10 pmFAO - LAX
1 stop31h 50mScandinavian Airlines
Deal found 9/14$485
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:30 pmLAX - FAO
2 stops53h 30mScandinavian Airlines
Sat 11/155:10 pmFAO - LAX
1 stop31h 50mScandinavian Airlines
Deal found 9/14$499
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:45 pmLAX - FNC
1 stop35h 50mKLM
Wed 11/1910:25 amFNC - LAX
1 stop33h 20mKLM
Deal found 9/16$511
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:45 pmLAX - FNC
1 stop35h 50mKLM
Mon 11/2410:25 amFNC - LAX
1 stop33h 20mKLM
Deal found 9/16$512
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:20 amLAX - FNC
2 stops42h 10mIberia
Wed 11/192:10 pmFNC - LAX
2 stops38h 51mIberia
Deal found 9/16$513
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:30 pmLAX - FAO
2 stops30h 35mScandinavian Airlines
Sat 11/155:10 pmFAO - LAX
1 stop31h 50mScandinavian Airlines
Deal found 9/14$515
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:45 pmLAX - FAO
1 stop23h 05mTAP AIR PORTUGAL
Sat 11/156:05 amFAO - LAX
1 stop16h 55mTAP AIR PORTUGAL
Deal found 9/14$525
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:40 pmLAX - OPO
1 stop16h 20mTAP AIR PORTUGAL
Sat 11/16:55 amOPO - LAX
1 stop16h 05mTAP AIR PORTUGAL
Deal found 9/16$525
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:45 pmLAX - FAO
1 stop23h 05mTAP AIR PORTUGAL
Fri 11/144:35 pmFAO - LAX
1 stop30h 25mTAP AIR PORTUGAL
Deal found 9/14$526
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:45 pmLAX - OPO
1 stop14h 15mTAP AIR PORTUGAL
Fri 11/78:05 pmOPO - LAX
1 stop26h 55mTAP AIR PORTUGAL
Deal found 9/14$526
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:40 pmLAX - FNC
1 stop18h 10mBritish Airways
Tue 11/43:05 pmFNC - LAX
1 stop30h 25mBritish Airways
Deal found 9/14$527
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:40 pmLAX - FAO
1 stop23h 10mTAP AIR PORTUGAL
Thu 10/166:10 pmFAO - LAX
1 stop28h 25mTAP AIR PORTUGAL
Deal found 9/15$529

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 September 16, 2025.
Use the filters below to find and compare flights from Irvine to Portugal that are best for you.

Fly from

Irvine

Fly to

Portugal

Route

Depart

Return

Price

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Sun 11/9

7:30 pm-10:00 am

1 stop30h 30m

Faro

Sat 11/22

5:10 pm-5:00 pm

1 stop31h 50m

$485

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Tue 11/11

1:45 pm-9:30 am

1 stop35h 45m

Funchal Madeira

Wed 11/19

10:25 am-11:45 am

1 stop33h 20m

$511

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Mon 11/10

1:45 pm-9:35 am

1 stop35h 50m

Funchal Madeira

Wed 11/19

10:25 am-11:45 am

1 stop33h 20m

$511

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Mon 11/10

1:45 pm-9:35 am

1 stop35h 50m

Funchal Madeira

Mon 11/24

10:25 am-11:45 am

1 stop33h 20m

$512

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 11/18

4:45 pm-6:55 pm

1 stop18h 10m

Porto

Fri 11/28

3:55 pm-3:00 pm

1 stop31h 05m

$526

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Thu 10/30

2:45 pm-5:10 pm

1 stop19h 25m

Funchal Madeira

Fri 11/14

6:00 pm-11:45 am

1 stop25h 45m

$532

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Thu 11/13

1:10 pm-3:20 pm

2 stops42h 10m

Funchal Madeira

Sat 11/22

4:10 pm-5:00 pm

1 stop32h 50m

$538

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 12/24

9:00 pm-9:55 am

1 stop28h 55m

Lisbon Humberto Delgado

Tue 12/30

12:55 pm-1:30 pm

1 stop32h 35m

$541

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 11/6

7:00 am-11:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Wed 11/12

10:00 am-9:37 pm

1 stop19h 37m

$543

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 11/20

7:20 am-8:55 am

2 stops17h 35m

Lisbon Humberto Delgado

Thu 11/27

10:40 am-8:45 pm

1 stop18h 05m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 57 results
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Best time to book a flight from Irvine to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Irvine to Portugal (average of $612). Flying from Irvine to Portugal in June is currently the most expensive (average of $1,127). 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 IR9 to PT?

Find hourly flight availability from Irvine 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Portugal as you normally would.

What is the cheapest day to fly from Irvine to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Portugal flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 16, 2025.
See what other customers who have flown with Delta, United Airlines, and Air Canada from Irvine to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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.
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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.
British Airways
6.7
Okay
7,363 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

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

  • How popular is this Irvine to Portugal flight route?

    Flights from Irvine to Portugal have been viewed 46 times in the past calendar month.

  • How long is the flight from Irvine to Portugal?

    For as low as $526, Scandinavian Airlines can have you in Portugal from Irvine in 18h 10m. The distance from Irvine to Portugal is about 5588 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $294 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 TAP AIR PORTUGAL, with prices starting from $297 and $349, respectively.

  • What are the most popular routes from Irvine to Portugal?

    The most popular flight routes from Irvine to Portugal are Los Angeles - Lisbon Humberto Delgado, Los Angeles - Porto and Los Angeles - Faro.

  • What are the cheapest flights from Irvine to Portugal?

    Looking at all options, your cheapest flight can be booked for $184. While the most popular route (Los Angeles - Lisbon Humberto Delgado) can be booked for $461 on average, our data indicates $1,333 when flying from Irvine to Portugal.

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

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

  • How can I find direct flights from Irvine to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Irvine to Portugal (average of $612). Flying from Irvine to Portugal in June is currently the most expensive (average of $1,127). 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

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Top 10 airlines flying from Irvine to Portugal

Discover the top 10 airlines that operate flights from Irvine 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$402Average$604FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$486Average$828FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$504Average$1,027FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$516Average$993FlexibilityNo cancel feeOn-time79%
VuelingCheapest$522Average$755FlexibilityNo cancel feeOn-time88%
DeltaCheapest$540Average$992FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$549Average$705FlexibilityNo cancel feeOn-time77%
KLMCheapest$560Average$958FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$564Average$849FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$568Average$1,111FlexibilityNo cancel feeOn-time69%

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