Portugal

$297+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Apr 29 — May 61
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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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$577
(Mytrip)

One-way from

$297
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

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

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 April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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.
Fri 5/24:30 pmLAX - FAO
1 stop21h 10mMultiple Airlines
Fri 5/166:05 amFAO - LAX
1 stop21h 00mMultiple Airlines
Deal found 4/23$577
This oojo deal was found by Cheapflights users on 4/23. 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.
Fri 9/194:40 pmLAX - FAO
1 stop23h 10mTAP AIR PORTUGAL
Thu 9/256:10 pmFAO - LAX
1 stop28h 25mTAP AIR PORTUGAL
Deal found 4/23$602
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sun 5/49:25 pmLAX - FNC
1 stop32h 10mMultiple Airlines
Tue 5/204:15 pmFNC - LAX
1 stop34h 50mMultiple Airlines
Deal found 4/23$604
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:40 pmLAX - FNC
1 stop17h 55mTAP AIR PORTUGAL
Sun 10/194:05 amFNC - LAX
1 stop18h 20mTAP AIR PORTUGAL
Deal found 4/24$652
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Thu 9/187:50 pmLAX - FAO
1 stop35h 00mVueling
Wed 9/247:55 amFAO - LAX
1 stop18h 10mVueling
Deal found 4/23$675
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 4/287:45 pmLAX - LIS
1 stop17h 35mMultiple Airlines
Sat 5/39:35 amLIS - LAX
2 stops36h 35mMultiple Airlines
Deal found 4/22$680
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:50 pmLAX - LIS
1 stop17h 40mIberia
Tue 10/2110:05 pmLIS - LAX
1 stop23h 30mIberia
Deal found 4/24$683
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 11/217:30 pmLAX - LIS
1 stop36h 35mScandinavian Airlines
Mon 12/14:55 pmLIS - LAX
1 stop32h 05mScandinavian Airlines
Deal found 4/23$686
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.
Tue 12/308:30 amLAX - LIS
1 stop16h 50mUnited Airlines
Tue 1/66:10 amLIS - LAX
1 stop17h 05mUnited Airlines
Deal found 4/24$703
This Virgin Atlantic deal was found by Cheapflights users on 4/22. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amLAX - LIS
2 stops20h 45mVirgin Atlantic
Thu 11/611:15 amLIS - LAX
2 stops19h 16mVirgin Atlantic
Deal found 4/22$704
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sun 5/47:45 pmLAX - OPO
2 stops39h 50mMultiple Airlines
Sun 5/119:25 amOPO - LAX
1 stop35h 05mMultiple Airlines
Deal found 4/23$709
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:05 pmLAX - LIS
2 stops24h 25mLufthansa
Thu 1/83:55 pmLIS - LAX
2 stops34h 07mLufthansa
Deal found 4/24$716

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 April 24, 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

Fri 9/19

4:40 pm-11:50 pm

1 stop23h 10m

Faro

Thu 9/25

6:10 pm-2:35 pm

1 stop28h 25m

$602

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Sun 5/4

9:25 pm-1:35 pm

1 stop32h 10m

Funchal Madeira

Tue 5/20

4:15 pm-7:05 pm

1 stop34h 50m

$604

Los AngelesFunchal

LAX - FNC

LAXFNC

Los Angeles

Fri 10/10

4:40 pm-6:35 pm

1 stop17h 55m

Funchal Madeira

Sun 10/19

4:05 am-2:25 pm

1 stop18h 20m

$652

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Thu 9/18

7:50 pm-2:50 pm

1 stop35h 00m

Faro

Wed 9/24

7:55 am-6:05 pm

1 stop18h 10m

$675

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 9/17

7:45 pm-11:05 pm

1 stop19h 20m

Lisbon Humberto Delgado

Wed 10/8

6:00 am-5:30 pm

1 stop19h 30m

$681

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 10/16

7:50 pm-9:30 pm

1 stop17h 40m

Lisbon Humberto Delgado

Tue 10/21

9:15 pm-1:35 pm

1 stop24h 20m

$683

Los AngelesFaro

LAX - FAO

LAXFAO

Los Angeles

Sun 9/21

4:30 pm-7:30 pm

1 stop19h 00m

Faro

Thu 9/25

8:05 pm-2:10 pm

1 stop26h 05m

$684

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 10/7

4:40 pm-11:45 am

Nonstop11h 05m

Lisbon Humberto Delgado

Tue 10/21

10:15 am-2:40 pm

Nonstop12h 25m

$688

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 10/21

6:00 am-10:45 am

2 stops20h 45m

Lisbon Humberto Delgado

Thu 11/6

11:15 am-10:31 pm

2 stops19h 16m

$704

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 5/4

7:45 pm-7:35 pm

2 stops39h 50m

Porto

Sun 5/11

9:25 am-12:30 pm

1 stop35h 05m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 60 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 $1,203). 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 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 April 24, 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 24, 2025.
Read through reviews of airlines operating flights from Irvine to Portugal, such as Delta, KLM and Air Transat. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
8.0
Very good
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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?

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

    $297 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on Iberia and TAP AIR PORTUGAL, with prices starting from $299 and $378, respectively.

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

  • What are the cheapest flights from Irvine to Portugal?

    Looking at all options, your cheapest flight can be booked for $252. While the most popular route (Los Angeles - Lisbon Humberto Delgado) can be booked for $560 on average our data indicates $1,802 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 $1,203). 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

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Alternative routes for Irvine to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$428Average$611FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$502Average$722FlexibilityNo cancel feeOn-time88%
SWISSCheapest$537Average$1,037FlexibilityNo cancel feeOn-time79%
DeltaCheapest$540Average$1,049FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$926FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$566Average$719FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$568Average$1,169FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$598Average$1,097FlexibilityNo cancel feeOn-time76%
IberiaCheapest$599Average$959FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$607Average$906FlexibilityNo cancel feeOn-time72%

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