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$224+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$467
(Kiwi.com)

One-way from

$226
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$977
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. 4% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 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 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 julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/54:30 pmLAX - OPO
1 stop32h 45mMultiple Airlines
sáb. 10/189:50 pmOPO - LAX
1 stop24h 20mMultiple Airlines
Deal found 7/30$467
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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.
lun. 9/297:30 pmLAX - OPO
1 stop31h 30mScandinavian Airlines
vie. 10/175:55 pmOPO - LAX
1 stop30h 25mScandinavian Airlines
Deal found 7/31$508
This Mytrip deal was found by Cheapflights users on 7/31. 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.
lun. 9/228:05 amLAX - FAO
2 stops25h 10mMultiple Airlines
mar. 10/76:15 pmFAO - LAX
3 stops32h 43mMultiple Airlines
Deal found 7/31$531
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/175:50 pmLAX - FNC
1 stop16h 30mIberia
mar. 9/23:50 pmFNC - LAX
2 stops32h 15mIberia
Deal found 7/30$568
This oojo deal was found by Cheapflights users on 7/31. 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.
mar. 10/285:45 pmLAX - OPO
1 stop16h 15mTAP AIR PORTUGAL
mié. 11/58:00 pmOPO - LAX
1 stop27h 00mTAP AIR PORTUGAL
Deal found 7/31$576
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
jue. 11/134:45 pmLAX - PDL
1 stop24h 00mTAP AIR PORTUGAL
mié. 11/197:25 pmPDL - LAX
1 stop26h 35mTAP AIR PORTUGAL
Deal found 7/30$579
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
mar. 12/24:45 pmLAX - FNC
1 stop22h 10mTAP AIR PORTUGAL
vie. 12/124:10 amFNC - LAX
1 stop18h 50mTAP AIR PORTUGAL
Deal found 7/30$580
This United Airlines deal was found by Cheapflights users on 7/31. 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.
mar. 10/281:15 pmLAX - OPO
1 stop13h 15mUnited Airlines
mié. 11/56:00 amOPO - LAX
2 stops22h 35mUnited Airlines
Deal found 7/31$589
This Iberia deal was found by Cheapflights users on 7/31. 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.
dom. 11/97:50 pmLAX - OPO
1 stop17h 25mIberia
mié. 11/199:55 pmOPO - LAX
1 stop29h 15mIberia
Deal found 7/31$599
This SWISS deal was found by Cheapflights users on 7/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:10 pmLAX - OPO
1 stop32h 05mSWISS
jue. 11/2012:05 pmOPO - LAX
1 stop36h 30mSWISS
Deal found 7/31$602
This Connections by easyJet deal was found by Cheapflights users on 7/29. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/223:05 pmLAX - FNC
1 stop35h 50mMultiple Airlines
mar. 10/74:15 pmFNC - LAX
1 stop34h 50mMultiple Airlines
Deal found 7/29$602
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/117:00 amLAX - OPO
2 stops16h 40mBritish Airways
jue. 11/2012:25 pmOPO - LAX
2 stops20h 21mBritish Airways
Deal found 7/31$603

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 julio 31, 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 AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

dom. 10/5

4:30 pm-9:15 am

1 stop32h 45m

Porto

sáb. 10/18

9:50 pm-2:10 pm

1 stop24h 20m

$467

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

lun. 9/29

7:30 pm-11:00 am

1 stop31h 30m

Porto

vie. 10/17

5:55 pm-4:20 pm

1 stop30h 25m

$508

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

lun. 9/22

8:05 am-5:15 pm

2 stops25h 10m

Faro

mar. 10/7

6:15 pm-6:58 pm

3 stops32h 43m

$531

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

dom. 8/17

5:50 pm-6:20 pm

1 stop16h 30m

Funchal Madeira

mar. 9/2

3:50 pm-4:05 pm

2 stops32h 15m

$568

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

mar. 10/28

5:45 pm-5:00 pm

1 stop16h 15m

Porto

mié. 11/5

8:00 pm-3:00 pm

1 stop27h 00m

$576

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

mar. 10/28

1:15 pm-9:30 am

1 stop13h 15m

Porto

mié. 11/5

6:00 am-8:35 pm

2 stops22h 35m

$589

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

lun. 9/22

3:05 pm-10:55 am

1 stop35h 50m

Funchal Madeira

mar. 10/7

4:15 pm-7:05 pm

1 stop34h 50m

$602

Los AngelesPonta Delgada

LAX - PDL

LAXPDL

Los Angeles

dom. 9/7

4:30 pm-11:20 am

1 stop35h 50m

Ponta Delgada Nordela

mar. 9/23

12:15 pm-2:10 pm

1 stop32h 55m

$605

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

dom. 8/17

8:05 pm-5:50 pm

1 stop37h 45m

Funchal Madeira

mar. 9/2

6:40 pm-1:25 pm

1 stop26h 45m

$606

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

dom. 8/17

1:11 am-9:05 am

1 stop23h 54m

Lisbon Humberto Delgado

lun. 8/25

8:25 am-4:05 pm

1 stop15h 40m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 55 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 $1,129). 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 julio 31, 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 julio 31, 2025.
See what other customers who have flown with Delta, KLM, and Austrian Airlines 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
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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 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 41 times in the past calendar month.

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

    $307 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Delta and Virgin Atlantic, with prices starting from $344 and $350, 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 $281. While the most popular route (Los Angeles - Lisbon Humberto Delgado) can be booked for $482 on average our data indicates $1,616 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 $1,129). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$402Average$609FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$516Average$1,012FlexibilityNo cancel feeOn-time79%
VuelingCheapest$518Average$752FlexibilityNo cancel feeOn-time88%
IberiaCheapest$535Average$893FlexibilityNo cancel feeOn-time77%
DeltaCheapest$540Average$932FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$873FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$555Average$709FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$564Average$857FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$565Average$1,031FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$568Average$1,150FlexibilityNo cancel feeOn-time69%

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