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$293+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Lisbon Humberto Delgado are usually found in February or March, booked 87 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Irvine to Lisbon

Keep the following information in mind while searching for Irvine to Lisbon flight deals. Data was last updated September 17, 2025.

Round-trip from

$537
(Scandinavian Airlines)

One-way from

$293
(LEVEL)

Popular in

December

Cheapest in

February

Average price

$823
From Irvine to Lisbon Humberto Delgado
Search Deals
One-way flight from Irvine to Lisbon Humberto Delgado
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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 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 September 17, 2025.

This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:20 amLAX - LIS
2 stops42h 35mScandinavian Airlines
Mon 12/84:55 pmLIS - LAX
1 stop32h 05mScandinavian Airlines
Deal found 9/16$537
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:30 pmLAX - LIS
1 stop22h 00mLufthansa
Wed 1/145:00 amLIS - LAX
1 stop16h 05mLufthansa
Deal found 9/15$538
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:35 pmLAX - LIS
1 stop37h 45mMultiple Airlines
Wed 10/225:05 amLIS - LAX
1 stop15h 55mMultiple Airlines
Deal found 9/16$539
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2211:20 pmLAX - LIS
2 stops26h 00mMultiple Airlines
Mon 12/12:20 pmLIS - LAX
2 stops34h 15mMultiple Airlines
Deal found 9/16$540
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:00 pmLAX - LIS
1 stop16h 55mBritish Airways
Fri 1/167:05 amLIS - LAX
1 stop19h 20mBritish Airways
Deal found 9/15$541
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:35 pmLAX - LIS
1 stop19h 45mSWISS
Tue 10/215:55 amLIS - LAX
1 stop18h 35mSWISS
Deal found 9/16$542
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:15 amLAX - LIS
2 stops18h 50mUnited Airlines
Thu 10/2310:25 amLIS - LAX
1 stop16h 16mUnited Airlines
Deal found 9/16$543
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:35 pmLAX - LIS
1 stop19h 45mMultiple Airlines
Wed 10/156:15 amLIS - LAX
1 stop17h 00mMultiple Airlines
Deal found 9/15$544
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:30 pmLAX - LIS
1 stop26h 50mUnited Airlines
Wed 10/225:05 amLIS - LAX
1 stop15h 55mUnited Airlines
Deal found 9/16$545
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:30 pmLAX - LIS
1 stop27h 45mUnited Airlines
Tue 11/185:00 amLIS - LAX
2 stops21h 45mUnited Airlines
Deal found 9/15$546
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:35 pmLAX - LIS
1 stop19h 45mSWISS
Wed 10/225:55 amLIS - LAX
1 stop18h 35mSWISS
Deal found 9/16$547
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:30 pmLAX - LIS
1 stop20h 20mUnited Airlines
Fri 10/316:10 amLIS - LAX
1 stop17h 05mUnited Airlines
Deal found 9/16$548

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 September 17, 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 11/19

6:20 am-8:55 am

2 stops42h 35m

Lisbon Humberto Delgado

Mon 12/8

4:55 pm-5:00 pm

1 stop32h 05m

$537

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sun 11/2

10:45 pm-8:00 am

2 stops25h 15m

Lisbon Humberto Delgado

Sun 11/16

10:00 am-9:14 am

1 stop31h 14m

$542

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 11/12

7:10 am-8:00 am

1 stop16h 50m

Lisbon Humberto Delgado

Wed 11/19

10:00 am-6:58 pm

1 stop16h 58m

$543

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 10/14

7:35 pm-11:20 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 10/29

6:10 am-4:15 pm

1 stop17h 05m

$546

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

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 11/14

6:00 pm-5:55 pm

1 stop15h 55m

Lisbon Humberto Delgado

Thu 11/20

7:00 am-6:30 pm

1 stop19h 30m

$548

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sat 11/15

8:45 pm-4:30 pm

2 stops35h 45m

Lisbon Humberto Delgado

Sun 12/7

4:55 pm-5:00 pm

1 stop32h 05m

$548

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 11/6

8:50 am-11:20 am

2 stops18h 30m

Lisbon Humberto Delgado

Wed 11/12

5:30 am-8:47 pm

2 stops23h 17m

$554

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sat 10/18

11:55 pm-8:00 am

1 stop24h 05m

Lisbon Humberto Delgado

Tue 10/28

11:25 am-12:45 pm

1 stop32h 20m

$554

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 11/18

7:40 am-4:05 pm

2 stops24h 25m

Lisbon Humberto Delgado

Sat 12/6

8:05 am-5:00 pm

2 stops40h 55m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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2
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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 September 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 $612). Flying from Irvine to Lisbon 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 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 September 17, 2025.

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

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 Thursday afternoons 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.

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 September 17, 2025.
See what other customers who have flown with Delta, United Airlines, and Air Canada 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
8.0
Very good
7,957 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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 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 46 times in the past calendar month.

  • How long is the flight from Irvine to Lisbon?

    Departing from Irvine to Lisbon will take you 25h 15m. 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 flights from Irvine to Lisbon?

    While on average a flight from Irvine to Lisbon is generally $1,333, our data shows the cheapest flight currently is $184. When looking at the most popular route, (Los Angeles - Lisbon Humberto Delgado), you can expect to pay $461 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 $612). Flying from Irvine to Lisbon 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

Traveling to a place near Lisbon?

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

Browse thousands of different options on Cheapflights for your next trip

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$424Average$602FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$486Average$718FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$504Average$973FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$516Average$787FlexibilityNo cancel feeOn-time79%
VuelingCheapest$522Average$670FlexibilityNo cancel feeOn-time88%
DeltaCheapest$540Average$866FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$549Average$705FlexibilityNo cancel feeOn-time77%
KLMCheapest$560Average$914FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$564Average$849FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$568Average$937FlexibilityNo cancel feeOn-time69%

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