San Diego

$53+ Cheap flights from Irvine, CA to San Diego (SAN)

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
Nov 26 — Dec 31
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The best prices from Irvine to San Diego are usually found in April or August, booked 40 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Irvine to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Irvine (IR9) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Popular in

November

Cheapest in

April

Round-trip from

$99
(Mytrip)

One-way from

$53
(Kiwi.com)
High demand for flights, 9% potential price rise
Best time to find cheap flights, 10% potential price drop
From Irvine to San Diego
One-way flight from Irvine to San Diego

Find flight deals from Irvine to San Diego

Cheapest flights from Irvine to San Diego
Explore the most affordable flight options available from Irvine to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. 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.
Tue 12/1010:08 amLAX - SAN
2 stops9h 27mSpirit Airlines
Fri 12/136:15 amSAN - LAX
1 stop3h 39mSpirit Airlines
Deal found 11/20$99
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/125:22 pmLAX - SAN
Nonstop0h 57mDelta
Sun 12/156:59 pmSAN - LAX
Nonstop1h 17mDelta
Deal found 11/21$179
This Kissandfly.com deal was found by Cheapflights users on 11/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:50 amLAX - SAN
1 stop12h 20mFrontier
Sun 12/151:47 pmSAN - LAX
1 stop7h 08mFrontier
Deal found 11/20$181
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/197:00 pmLAX - SAN
Nonstop1h 03mUnited Airlines
Thu 12/268:51 pmSAN - LAX
Nonstop1h 04mUnited Airlines
Deal found 11/19$239
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/39:59 pmLAX - SAN
1 stop9h 49mAlaska Airlines
Tue 12/109:00 amSAN - LAX
2 stops11h 17mAlaska Airlines
Deal found 11/19$272
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Mon 12/2312:55 amLAX - SAN
2 stops16h 24mMultiple Airlines
Wed 12/256:06 pmSAN - LAX
1 stop4h 45mMultiple Airlines
Deal found 11/19$325

Find flights from Irvine to San Diego within your budget

Customize your flight search to find flights from Irvine to San Diego 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 12/10

10:08 am-7:35 pm

2 stops9h 27m

San Diego

Fri 12/13

6:15 am-9:54 am

1 stop3h 39m

$99

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/9

9:55 pm-10:51 pm

Nonstop0h 56m

San Diego

Wed 1/15

6:30 am-7:44 am

Nonstop1h 14m

$179

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 12/12

6:50 am-7:10 pm

1 stop12h 20m

San Diego

Sun 12/15

1:47 pm-8:55 pm

1 stop7h 08m

$181

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 1/15

7:59 pm-11:43 am

1 stop15h 44m

San Diego

Tue 1/28

1:34 pm-7:11 am

2 stops17h 37m

$212

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 12/19

7:00 pm-8:03 pm

Nonstop1h 03m

San Diego

Thu 12/26

8:51 pm-9:55 pm

Nonstop1h 04m

$239

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Mon 12/23

12:55 am-5:19 pm

2 stops16h 24m

San Diego

Wed 12/25

6:06 pm-10:51 pm

1 stop4h 45m

$325

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Mon 12/16

2:45 pm-6:15 pm

1 stop3h 30m

$53

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Fri 11/29

8:58 pm-3:39 pm

1 stop18h 41m

$106

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 12/17

12:16 pm-7:48 am

2 stops19h 32m

$160

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 12/24

8:05 am-8:40 pm

1 stop12h 35m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 14 results
1
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Best time to book a flight from Irvine to San Diego

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

Travel insights for flights from Irvine to San Diego

Get recent, data-driven insights about flights from Irvine to San Diego including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to San Diego. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Irvine to San Diego, you should look to book at least 40 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 Irvine to San Diego?

Currently, September is the cheapest month in which you can book a flight from Irvine to San Diego (average of $266). Flying from Irvine to San Diego in March is currently the most expensive (average of $339). 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 SAN?

Find hourly flight availability from Irvine to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

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

Use this chart to determine the cheapest time to fly round-trip from Irvine to San Diego. Price data was last updated on November 18, 2024.

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

Weekly flight availability from Irvine to San Diego

Explore weekly flight availability from Irvine to San Diego. 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 November 21, 2024.

The most flights from IR9 to SAN are scheduled on a Wednesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated November 21, 2024.
To help decide which airline to fly from Irvine to San Diego, see what other customers have to say about Spirit Airlines, Delta and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.0
Very good
9,458 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.0
Very good
8,758 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.5
Good
3,832 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.5
Good
3,396 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.4
Good
9,172 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Related info for your journey

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

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Irvine. On average, San Diego has 34 inbound flights from Irvine per day from 3 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

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

    One-way options have recently been found by users for as low as $53 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $106 and Alaska Airlines from $160 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Irvine to San Diego on time: China Southern (100%), Air France (97%), Scandinavian Airlines (93%).

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

    Looking at all options, your cheapest flight can be booked for $179. While the most popular route (Los Angeles - San Diego) can be booked for $72 on average our data indicates $261 when flying from Irvine to San Diego.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Irvine to San Diego (average of $266). Flying from Irvine to San Diego in March is currently the most expensive (average of $339). 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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Alternative routes for Irvine to San Diego

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

Top 3 airlines flying from Irvine to San Diego

Discover the top 3 airlines that operate flights from Irvine to San Diego. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$110FlexibilityNo cancel feeOn-time65%
DeltaCheapest$153Average$210FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$236FlexibilityNo cancel feeOn-time69%
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