HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Irvine

$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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAX
oct. 10 — oct. 171
vie. 10/10
vie. 10/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Irvine with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Diego to Irvine are usually found in July or October, booked 19 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 septiembre 10, 2025.

Round-trip from

$86
(Priceline)

One-way from

$42
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$189
From San Diego to Irvine
Search Deals
One-way flight from San Diego to Irvine
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 septiembre 10, 2025.

This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/16:15 amSAN - LAX
1 stop7h 18mSpirit Airlines
mié. 10/17:50 pmLAX - SAN
1 stop3h 44mSpirit Airlines
Deal found 9/8$86
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
jue. 9/258:25 amSAN - LAX
1 stop5h 08mSpirit Airlines
sáb. 9/277:50 pmLAX - SAN
1 stop3h 44mSpirit Airlines
Deal found 9/9$92
This Expedia deal was found by Cheapflights users on 9/10. 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.
jue. 9/256:15 amSAN - LAX
1 stop4h 41mSpirit Airlines
lun. 9/299:36 amLAX - SAN
1 stop12h 50mSpirit Airlines
Deal found 9/10$93
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
vie. 9/266:15 amSAN - LAX
1 stop7h 18mSpirit Airlines
lun. 9/299:36 amLAX - SAN
1 stop12h 50mSpirit Airlines
Deal found 9/10$98
This Expedia deal was found by Cheapflights users on 9/9. 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.
mar. 9/236:15 amSAN - LAX
1 stop7h 18mSpirit Airlines
vie. 9/269:36 amLAX - SAN
1 stop12h 50mSpirit Airlines
Deal found 9/9$101
This Expedia deal was found by Cheapflights users on 9/8. 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.
lun. 9/226:15 amSAN - LAX
1 stop7h 18mSpirit Airlines
jue. 9/257:50 pmLAX - SAN
1 stop3h 44mSpirit Airlines
Deal found 9/8$106
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
lun. 10/205:28 pmSAN - LAX
1 stop20h 04mFrontier
vie. 10/317:29 pmLAX - SAN
1 stop23h 04mFrontier
Deal found 9/9$116
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
vie. 10/105:28 pmSAN - LAX
1 stop20h 04mFrontier
vie. 10/176:47 pmLAX - SAN
1 stop17h 19mFrontier
Deal found 9/10$119
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
mar. 10/78:00 amSAN - LAX
1 stop13h 25mMultiple Airlines
mar. 10/143:48 pmLAX - SAN
1 stop5h 32mMultiple Airlines
Deal found 9/7$126
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
jue. 9/256:15 amSAN - LAX
1 stop4h 41mMultiple Airlines
dom. 9/287:50 pmLAX - SAN
1 stop15h 58mMultiple Airlines
Deal found 9/8$131

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 septiembre 10, 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

mié. 10/15

8:00 am-7:53 pm

1 stop11h 53m

Los Angeles

lun. 10/20

9:23 am-4:32 pm

1 stop7h 09m

$141

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

jue. 10/2

6:15 am-10:56 am

1 stop4h 41m

Los Angeles

dom. 10/5

8:14 pm-11:17 pm

1 stop27h 03m

$146

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

mar. 3/3

3:15 pm-8:06 pm

1 stop4h 51m

Los Angeles

mié. 3/4

8:00 am-11:43 am

1 stop3h 43m

$158

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

lun. 11/3

7:48 pm-11:38 am

1 stop15h 50m

Los Angeles

mar. 11/18

11:35 am-8:40 am

1 stop21h 05m

$173

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

sáb. 10/18

7:48 pm-9:03 pm

Nonstop1h 15m

Los Angeles

dom. 10/19

8:20 am-9:20 am

Nonstop1h 00m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

mar. 10/21

8:39 pm-9:53 pm

Nonstop1h 14m

Los Angeles

mar. 11/18

6:50 pm-7:52 pm

Nonstop1h 02m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

jue. 10/2

9:59 am-11:14 am

Nonstop1h 15m

Los Angeles

dom. 10/5

10:04 pm-10:59 pm

Nonstop0h 55m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

dom. 10/19

8:39 pm-9:53 pm

Nonstop1h 14m

Los Angeles

vie. 10/31

9:17 am-10:21 am

Nonstop1h 04m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

sáb. 10/25

7:48 pm-9:03 pm

Nonstop1h 15m

Los Angeles

jue. 10/30

2:26 pm-3:19 pm

Nonstop0h 53m

$179

San DiegoLos Angeles

SAN - LAX

SANLAX

San Diego

vie. 10/17

10:00 am-11:14 am

Nonstop1h 14m

Los Angeles

lun. 10/20

6:11 pm-7:08 pm

Nonstop0h 57m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
1
2
3

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Irvine, you should look to book at least 19 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 septiembre 10, 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 Friday 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 septiembre 10, 2025.

The most flights from SAN to IR9 are scheduled on a Tuesday (43 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 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 septiembre 10, 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
7,963 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,937 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,024 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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 30 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 86 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 1h 15m. Fly via Frontier, Alaska Airlines, or Delta to get the fastest option. There are 109 mi between San Diego and Irvine. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Southern (100%), Korean Air (99%) or China Eastern (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 $1,003, our data shows the cheapest flight currently is $108. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to San Francisco flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
San Francisco to Las Vegas flights
Santa Ana to Las Vegas flights
Los Angeles to San Jose flights
Burbank to Las Vegas flights
San Francisco to Santa Ana flights
San Jose to Las Vegas flights
San Jose to Los Angeles flights
Ontario to San Francisco flights
San Francisco to Ontario flights
Oakland to Las Vegas flights
Santa Ana to San Francisco flights
Ontario to Las Vegas flights
San Francisco to Burbank flights
San Francisco to San Diego flights
San Diego to Las Vegas flights
Sacramento to Las Vegas flights
Burbank to Oakland flights
Oakland to Los Angeles flights
Los Angeles to Sacramento flights
Sacramento to Los Angeles flights
Los Angeles to Oakland flights
Oakland to Burbank flights
Santa Ana to Oakland flights
San Diego to San Francisco flights
San Francisco to Palm Springs flights
San Jose to San Diego flights
Oakland to Santa Ana flights
Sacramento to San Diego flights
Burbank to San Francisco flights
Santa Rosa to Las Vegas flights
Los Angeles to Reno flights
San Diego to San Jose flights
Santa Ana to San Jose flights
San Jose to Santa Ana flights
Las Vegas to Los Angeles flights
San Diego to Sacramento flights
Reno to Los Angeles flights
Fresno to Las Vegas flights
Ontario to Sacramento flights
Las Vegas to Santa Ana flights
Sacramento to Ontario flights
Santa Rosa to Los Angeles flights
Las Vegas to Burbank flights
Los Angeles to Santa Rosa flights
Stockton to Las Vegas flights
Sacramento to Santa Ana flights
Burbank to San Jose flights

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 septiembre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$120FlexibilityNo cancel feeOn-time65%
DeltaCheapest$174Average$192FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$239FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.