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Portugal

$236+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 2/244:45 pm
LAX
-
FAO
1 stop23h 05m
TAP AIR PORTUGAL
Tue 3/36:05 am
FAO
-
LAX
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 1/26$431
This oojo deal was found by Cheapflights users on 1/26. 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 2/34:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Wed 2/114:05 pm
OPO
-
LAX
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 1/26$431
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:55 pm
LAX
-
FAO
1 stop20h 55m
TAP AIR PORTUGAL
Wed 3/184:35 pm
FAO
-
LAX
1 stop30h 05m
TAP AIR PORTUGAL
Deal found 1/28$432
This oojo deal was found by Cheapflights users on 1/27. 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 3/34:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Tue 3/176:55 am
OPO
-
LAX
1 stop16h 05m
TAP AIR PORTUGAL
Deal found 1/27$432
This oojo deal was found by Cheapflights users on 1/27. 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.
Thu 3/127:55 pm
LAX
-
FAO
1 stop31h 30m
TAP AIR PORTUGAL
Thu 3/196:05 am
FAO
-
LAX
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 1/27$436
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Mon 2/165:55 pm
OPO
-
LAX
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 1/28$439
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:10 pm
LAX
-
OPO
1 stop32h 05m
SWISS
Tue 3/107:25 pm
OPO
-
LAX
1 stop29h 10m
SWISS
Deal found 1/28$445
This FlightHub deal was found by Cheapflights users on 1/27. 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 5/124:45 pm
LAX
-
FAO
1 stop23h 05m
TAP AIR PORTUGAL
Tue 5/196:05 am
FAO
-
LAX
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 1/27$452
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 3/94:00 pm
LAX
-
OPO
1 stop15h 55m
Multiple Airlines
Mon 3/167:20 pm
OPO
-
LAX
1 stop29h 15m
Multiple Airlines
Deal found 1/27$465
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:47 am
LAX
-
OPO
2 stops21h 13m
Iberia
Tue 3/108:40 pm
OPO
-
LAX
1 stop27h 55m
Iberia
Deal found 1/28$471
This oojo deal was found by Cheapflights users on 1/27. 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 5/54:45 pm
LAX
-
PDL
1 stop18h 55m
TAP AIR PORTUGAL
Mon 5/257:40 pm
PDL
-
LAX
1 stop26h 05m
TAP AIR PORTUGAL
Deal found 1/27$472
This oojo deal was found by Cheapflights users on 1/26. 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.
Thu 3/127:55 pm
LAX
-
FNC
1 stop20h 00m
TAP AIR PORTUGAL
Thu 3/194:10 am
FNC
-
LAX
1 stop18h 30m
TAP AIR PORTUGAL
Deal found 1/26$472

Find flight deals from Irvine to Portugal

Keep the following information in mind while searching for Irvine to Portugal flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(oojo)

One-way from

$236
(Delta)

Popular in

June

Cheapest in

January

Average price

$591
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 Irvine to Portugal
Search Deals
One-way flight from Irvine to Portugal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 AngelesPonta Delgada

LAX - PDL

LAXPDL

Los Angeles

Tue 5/5

4:45 pm-6:40 pm

1 stop18h 55m

Ponta Delgada Nordela

Mon 5/25

7:40 pm-2:45 pm

1 stop26h 05m

$472

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Sat 5/2

4:40 pm-1:25 am

1 stop24h 45m

Funchal Madeira

Sat 5/9

4:05 am-2:40 pm

1 stop18h 35m

$472

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Tue 4/28

4:45 pm-1:25 am

1 stop24h 40m

Funchal Madeira

Mon 5/25

9:50 pm-2:45 pm

1 stop24h 55m

$473

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 4/8

7:00 am-3:25 pm

2 stops24h 25m

Porto

Tue 4/14

11:30 am-11:50 am

1 stop32h 20m

$484

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Tue 2/24

8:00 am-9:30 am

2 stops17h 30m

Faro

Tue 3/3

7:45 pm-11:45 am

1 stop24h 00m

$488

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 3/3

11:35 am-9:30 am

1 stop13h 55m

Porto

Tue 3/10

12:30 pm-12:17 am

2 stops18h 47m

$488

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 2/26

11:14 am-3:25 pm

2 stops20h 11m

Porto

Wed 3/4

5:00 am-11:45 am

1 stop14h 45m

$490

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 3/3

6:00 am-9:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Sun 3/8

11:25 am-12:45 pm

1 stop32h 20m

$493

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 3/3

7:55 am-10:30 am

2 stops18h 35m

Porto

Tue 3/17

5:00 am-8:28 pm

2 stops22h 28m

$494

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 4/21

1:50 pm-6:20 pm

1 stop20h 30m

Porto

Wed 5/6

5:00 am-6:14 pm

2 stops21h 14m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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6

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, May is the cheapest month in which you can book a flight from Irvine to Portugal (average of $406). Flying from Irvine to Portugal in June is currently the most expensive (average of $713). 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.

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 January 29, 2026.
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
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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
9,215 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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 Canada
7.1
Good
10,667 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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.
TAP AIR PORTUGAL
7.1
Good
2,130 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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
7,705 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

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 56 times in the past calendar month.

  • How long is the flight from Irvine to Portugal?

    For as low as $488, TAP AIR PORTUGAL can have you in Portugal from Irvine in 17h 30m. The distance from Irvine to Portugal is about 5799 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?

    $225 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and SWISS, with prices starting from $254 and $264, 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 $238. While the most popular route (Los Angeles - Lisbon Humberto Delgado) can be booked for $443 on average, our data indicates $1,491 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, May is the cheapest month in which you can book a flight from Irvine to Portugal (average of $406). Flying from Irvine to Portugal in June is currently the most expensive (average of $713). 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.

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$262Average$931FlexibilityNo cancel feeOn-time79%
LEVELCheapest$263Average$653FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$358Average$786FlexibilityNo cancel feeOn-time77%
KLMCheapest$366Average$766FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$385Average$563FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$437Average$754FlexibilityNo cancel feeOn-time76%
VuelingCheapest$452Average$891FlexibilityNo cancel feeOn-time88%
DeltaCheapest$484Average$873FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$501Average$927FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$509Average$752FlexibilityNo cancel feeOn-time70%

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