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$292+ Cheap flights from Irvine, CA to Lisbon (LIS)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Lisbon Humberto Delgado are usually found in November or February, booked 87 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Irvine to Lisbon

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

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Fri 1/1611:20 amLIS - LAX
1 stop35h 57mUnited Airlines
Deal found 12/15$515
This British Airways deal was found by Cheapflights users on 12/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amLAX - LIS
1 stop15h 55mBritish Airways
Mon 1/126:35 pmLIS - LAX
1 stop26h 55mBritish Airways
Deal found 12/15$518
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Thu 1/1511:20 amLIS - LAX
1 stop18h 40mUnited Airlines
Deal found 12/15$535
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Tue 1/1310:15 amLIS - LAX
1 stop16h 54mUnited Airlines
Deal found 12/15$536
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Mon 1/1911:20 amLIS - LAX
1 stop35h 57mUnited Airlines
Deal found 12/15$538
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/147:10 pmLAX - LIS
1 stop35h 25mMultiple Airlines
Sun 12/212:10 pmLIS - LAX
1 stop33h 05mMultiple Airlines
Deal found 12/13$556
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Sat 1/1711:20 amLIS - LAX
1 stop18h 40mUnited Airlines
Deal found 12/15$558
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Sun 12/145:30 pmLAX - LIS
1 stop22h 00mLufthansa
Mon 12/2211:55 amLIS - LAX
1 stop16h 49mLufthansa
Deal found 12/14$559
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmLAX - LIS
1 stop33h 25mUnited Airlines
Sun 1/1810:50 amLIS - LAX
1 stop18h 38mUnited Airlines
Deal found 12/15$561

Find flight deals from Irvine to Lisbon

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

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$487
(United Airlines)

One-way from

$292
(Finnair)

Popular in

June

Cheapest in

November

Average price

$1,122
Provider with most accurate pricing for Los Angeles-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Lisbon Humberto Delgado flights.
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From Irvine to Lisbon Humberto Delgado
Search Deals
One-way flight from Irvine to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Irvine

Fly to

Lisbon

Route

Depart

Return

Price

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 1/21

7:25 am-8:10 am

2 stops16h 45m

Lisbon Humberto Delgado

Sun 1/25

5:00 am-1:05 pm

1 stop16h 05m

$488

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 1/30

7:35 am-8:10 am

2 stops16h 35m

Lisbon Humberto Delgado

Mon 3/2

6:10 am-3:15 pm

1 stop17h 05m

$490

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 3/4

1:45 pm-2:35 pm

1 stop16h 50m

Lisbon Humberto Delgado

Mon 3/9

11:25 am-12:45 pm

1 stop32h 20m

$492

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 2/27

1:45 pm-2:35 pm

1 stop16h 50m

Lisbon Humberto Delgado

Wed 3/4

11:25 am-11:45 am

1 stop32h 20m

$492

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 1/12

12:40 am-8:10 am

3 stops23h 30m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-5:20 pm

2 stops38h 00m

$494

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sun 2/1

11:55 pm-8:00 am

2 stops24h 05m

Lisbon Humberto Delgado

Sun 2/8

5:30 am-6:40 pm

1 stop21h 10m

$497

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 1/20

7:35 am-8:10 am

2 stops16h 35m

Lisbon Humberto Delgado

Mon 1/26

6:10 am-7:13 pm

2 stops21h 03m

$500

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 3/3

7:45 am-11:20 am

2 stops19h 35m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-9:31 pm

2 stops23h 31m

$501

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 1/13

8:30 am-9:20 am

1 stop16h 50m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-9:28 pm

1 stop18h 38m

$501

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 1/13

7:45 am-11:20 am

2 stops19h 35m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-4:05 pm

2 stops19h 05m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 results
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Best time to book a flight from Irvine to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

How far ahead should I book a flight from Irvine to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Lisbon. Price data was last updated on December 12, 2025.

The price you pay for your flight from Irvine to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Irvine to Lisbon (average of $450). Flying from Irvine to Lisbon in June is currently the most expensive (average of $672). 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 LIS?

Find hourly flight availability from Irvine to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Irvine to Lisbon in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

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

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

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

How much does it cost to fly round-trip from Irvine to Lisbon?

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated December 16, 2025.
See what other customers who have flown with Delta, United Airlines, and TAP AIR PORTUGAL from Irvine to Lisbon 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
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
7.2
Good
2,091 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
10,531 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
7,583 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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

  • What airport do you fly into for flights to Lisbon from Irvine?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Irvine to Lisbon. 18 airlines have flights to Humberto Delgado from Irvine on a regular basis. Booking flights from Irvine to Lisbon Humberto Delgado should not be difficult; the airport handles an average of 0 inbound flights from Irvine per day.

  • How popular is this Irvine to Lisbon flight route?

    Flights from Irvine to Lisbon Humberto Delgado have been viewed 56 times in the past calendar month.

  • How long is the flight from Irvine to Lisbon?

    Departing from Irvine to Lisbon will take you 16h 45m. There are 5674 mi between Irvine and Lisbon. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Irvine to Lisbon are LEVEL ($225), Iberia ($254), and TAP AIR PORTUGAL ($265).

  • What are the cheapest flights from Irvine to Lisbon?

    While on average a flight from Irvine to Lisbon is generally $1,556, our data shows the cheapest flight currently is $226. When looking at the most popular route, (Los Angeles - Lisbon Humberto Delgado), you can expect to pay $428 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Irvine to Lisbon (average of $450). Flying from Irvine to Lisbon in June is currently the most expensive (average of $672). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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Alternative routes for Irvine to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Irvine to Lisbon

Discover the top 10 airlines that operate flights from Irvine to Lisbon. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$378Average$658FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$395Average$646FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$447Average$788FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$469Average$736FlexibilityNo cancel feeOn-time77%
IberiaCheapest$475Average$700FlexibilityNo cancel feeOn-time77%
DeltaCheapest$492Average$885FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$505Average$958FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$515Average$831FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$540Average$769FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$540Average$754FlexibilityNo cancel feeOn-time77%

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