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$42+ Cheap flights from San Diego (SAN) to Irvine, CA

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Irvine are usually found in July or October, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Diego to Irvine

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

Round-trip from

$86
(Expedia)

One-way from

$42
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$184
From San Diego to Irvine
Search Deals
One-way flight from San Diego to Irvine
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 San Diego to Irvine

Cheapest flights from San Diego to Irvine
Explore the most affordable flight options available from San Diego to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:15 amSAN - LAX
1 stop12h 40mSpirit Airlines
Fri 10/38:55 pmLAX - SAN
1 stop10h 34mSpirit Airlines
Deal found 9/16$86
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:15 amSAN - LAX
1 stop4h 41mSpirit Airlines
Fri 10/38:55 pmLAX - SAN
1 stop10h 34mSpirit Airlines
Deal found 9/16$93
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.
Mon 9/2912:33 pmSAN - LAX
1 stop25h 00mMultiple Airlines
Fri 10/38:55 pmLAX - SAN
1 stop10h 34mMultiple Airlines
Deal found 9/15$104
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:15 amSAN - LAX
1 stop4h 41mSpirit Airlines
Thu 9/257:50 pmLAX - SAN
1 stop3h 44mSpirit Airlines
Deal found 9/15$110
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.
Tue 9/306:15 amSAN - LAX
1 stop4h 41mMultiple Airlines
Mon 10/64:15 pmLAX - SAN
1 stop7h 02mMultiple Airlines
Deal found 9/16$114
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.
Mon 9/2912:33 pmSAN - LAX
1 stop25h 00mMultiple Airlines
Tue 10/73:48 pmLAX - SAN
1 stop5h 32mMultiple Airlines
Deal found 9/15$116
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 9/246:15 amSAN - LAX
1 stop4h 41mMultiple Airlines
Wed 10/83:48 pmLAX - SAN
1 stop5h 32mMultiple Airlines
Deal found 9/15$117
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.
Tue 9/306:15 amSAN - LAX
1 stop4h 41mMultiple Airlines
Tue 10/143:48 pmLAX - SAN
1 stop5h 32mMultiple Airlines
Deal found 9/16$118
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.
Sat 10/41:35 pmSAN - LAX
1 stop5h 20mMultiple Airlines
Thu 10/93:48 pmLAX - SAN
1 stop7h 16mMultiple Airlines
Deal found 9/16$121
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 10/16:15 amSAN - LAX
1 stop4h 41mMultiple Airlines
Sat 10/49:36 amLAX - SAN
1 stop8h 54mMultiple Airlines
Deal found 9/15$123
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.
Sat 10/46:15 amSAN - LAX
1 stop12h 40mMultiple Airlines
Mon 10/63:32 pmLAX - SAN
1 stop7h 45mMultiple Airlines
Deal found 9/15$124
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.
Mon 9/2212:33 pmSAN - LAX
1 stop22h 23mMultiple Airlines
Mon 9/298:55 pmLAX - SAN
1 stop15h 36mMultiple Airlines
Deal found 9/15$125

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Irvine 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 San Diego to Irvine that are best for you.

Fly from

San Diego

Fly to

Irvine

Route

Depart

Return

Price

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Tue 9/30

6:15 am-10:56 am

1 stop4h 41m

Los Angeles

Mon 10/6

4:15 pm-11:17 pm

1 stop7h 02m

$114

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Tue 9/30

1:35 pm-6:55 pm

1 stop5h 20m

Los Angeles

Sat 10/4

9:36 am-6:30 pm

1 stop8h 54m

$125

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Wed 10/15

8:00 am-9:25 pm

1 stop13h 25m

Los Angeles

Wed 10/22

3:48 pm-9:20 pm

1 stop5h 32m

$129

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Mon 9/29

6:15 am-1:33 pm

1 stop7h 18m

Los Angeles

Mon 10/6

4:15 pm-11:17 pm

1 stop7h 02m

$136

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Tue 10/14

8:00 am-7:53 pm

1 stop11h 53m

Los Angeles

Wed 10/15

3:48 pm-9:20 pm

1 stop5h 32m

$138

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Mon 9/29

6:15 am-1:33 pm

1 stop7h 18m

Los Angeles

Sun 10/5

7:35 pm-11:48 am

1 stop16h 13m

$154

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Sat 9/27

6:15 am-1:33 pm

1 stop7h 18m

Los Angeles

Sat 10/4

6:15 am-6:30 pm

1 stop12h 15m

$158

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Tue 2/3

11:08 am-12:18 pm

Nonstop1h 10m

Los Angeles

Sat 2/7

10:40 pm-11:42 pm

Nonstop1h 02m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Thu 10/9

10:00 am-11:14 am

Nonstop1h 14m

Los Angeles

Sun 10/12

2:26 pm-3:19 pm

Nonstop0h 53m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

Wed 10/15

11:08 am-12:20 pm

Nonstop1h 12m

Los Angeles

Wed 10/22

6:50 pm-7:52 pm

Nonstop1h 02m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
1
2
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Best time to book a flight from San Diego to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from San Diego 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 San Diego to Irvine

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

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

To ensure you get the cheapest price possible for a flight from San Diego to Irvine, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Irvine (average of $246). Flying from San Diego to Irvine in March is currently the most expensive (average of $325). 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 SAN to IR9?

Find hourly flight availability from San Diego to Irvine. 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 San Diego to Irvine as you normally would.

What is the cheapest day to fly from San Diego to Irvine?

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

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

Weekly flight availability from San Diego to Irvine

Explore weekly flight availability from San Diego to Irvine. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from SAN to IR9 are scheduled on a Tuesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Spirit Airlines from San Diego to Irvine by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from San Diego to Irvine. 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 from for flights from San Diego to Irvine?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Irvine. You should not have trouble finding flights to Irvine from San Diego; the airport handles an average of 45 outbound flights to Irvine per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the San Diego airport to Irvine. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • How popular is this San Diego to Irvine flight route?

    Flights from San Diego to Irvine have been viewed 105 times in the past calendar month.

  • How long is the flight from San Diego to Irvine?

    There are many flights that can get you from San Diego to Irvine in 11h 53m. Fly via Frontier to get the fastest option. There are 109 mi between San Diego and Irvine.

  • What are the most reliable airlines from San Diego to Irvine?

    No one likes to see their flight delayed. When booking a flight from San Diego to Irvine consider choosing China Eastern (100%), China Southern (100%) or EL AL (98%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Diego to Irvine?

    While on average a flight from San Diego to Irvine is generally $789, our data shows the cheapest flight currently is $98. When looking at the most popular route, (San Diego - Los Angeles), you can expect to pay $86 for that flight.

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

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

  • How can I find direct flights from San Diego to Irvine?

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

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

    Yes. Cheapflights offers flight deals from San Diego to Irvine 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 San Diego to Irvine?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Irvine (average of $246). Flying from San Diego to Irvine in March is currently the most expensive (average of $325). 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 3 airlines flying from San Diego to Irvine

Discover the top 3 airlines that operate flights from San Diego to Irvine. 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
Spirit AirlinesCheapest$88Average$120FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$179Average$239FlexibilityNo cancel feeOn-time69%
DeltaCheapest$179Average$191FlexibilityNo cancel feeOn-timeN/A

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