San Diego

$31+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
Dec 23 — Dec 301
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The best prices from Irvine to San Diego are usually found in April or August, booked 77 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 December 18, 2024.

Round-trip from

$58
(eDestinos)

One-way from

$49
(Cheapflightsfares)

Popular in

November

Cheapest in

April

Average price

$229
From Irvine to San Diego
One-way flight from Irvine to San Diego
High demand for flights, 2% potential price rise
Best time to find cheap flights, 0% potential price drop
Average for round-trip flights in December 2024

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 December 18, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Fri 12/2710:44 amLAX - SAN
1 stop6h 27mSpirit Airlines
Mon 12/307:16 pmSAN - LAX
1 stop3h 35mSpirit Airlines
Deal found 12/17$174
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/278:20 amLAX - SAN
Nonstop1h 05mUnited Airlines
Mon 12/3010:06 amSAN - LAX
Nonstop1h 04mUnited Airlines
Deal found 12/17$199
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/202:30 pmLAX - SAN
Nonstop0h 56mDelta
Thu 1/26:15 amSAN - LAX
Nonstop1h 20mDelta
Deal found 12/17$274
This Travelocity deal was found by Cheapflights users on 12/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:56 amLAX - SAN
1 stop4h 31mMultiple Airlines
Wed 1/16:15 amSAN - LAX
1 stop6h 06mMultiple Airlines
Deal found 12/18$321
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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.
Wed 12/188:11 amLAX - SAN
2 stops10h 02mAlaska Airlines
Wed 1/16:15 amSAN - LAX
1 stop14h 42mAlaska Airlines
Deal found 12/18$484

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 1/14

9:11 am-3:26 pm

1 stop6h 15m

San Diego

Wed 1/15

6:15 am-1:13 pm

1 stop6h 58m

$58

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/9

8:23 am-5:29 pm

2 stops9h 06m

San Diego

Sun 1/12

1:47 pm-8:30 pm

1 stop6h 43m

$138

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/9

9:30 pm-8:20 am

1 stop10h 50m

San Diego

Sun 1/12

7:26 pm-7:33 am

1 stop12h 07m

$167

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 1/15

7:59 pm-11:43 am

1 stop15h 44m

San Diego

Wed 1/22

1:34 pm-5:56 pm

1 stop4h 22m

$173

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/9

9:55 pm-10:51 pm

Nonstop0h 56m

San Diego

Sun 1/12

10:58 am-12:14 pm

Nonstop1h 16m

$179

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/9

10:55 pm-11:58 pm

Nonstop1h 03m

San Diego

Sun 1/12

6:15 am-7:19 am

Nonstop1h 04m

$240

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Wed 1/15

9:11 am-3:26 pm

1 stop6h 15m

$31

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Sat 3/1

12:31 pm-7:36 am

1 stop19h 05m

$87

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Tue 12/24

9:21 pm-1:27 pm

1 stop16h 06m

$120

Los AngelesSan Diego

LAX - SAN

LAXSAN

Los Angeles

Thu 1/16

7:35 am-11:58 pm

1 stop16h 23m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 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 December 13, 2024.

To ensure you get the cheapest price possible for a flight from Irvine to San Diego, you should look to book at least 76 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 December 18, 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 December 16, 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 December 18, 2024.

The most flights from IR9 to SAN are scheduled on a Wednesday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 December 18, 2024.
To help decide which airline to fly from Irvine to San Diego, see what other customers have to say about Delta, United Airlines and Spirit Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
9,554 reviews
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
8,604 reviews
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.4
Good
9,055 reviews
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.2
Good
10,000 reviews
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

6.3
Okay
8,119 reviews
8.0
Very good
9,554 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 19 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 $49 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $87 and Delta from $132 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: Austrian Airlines (100%), China Southern (96%), Scandinavian Airlines (94%).

  • 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 $66 on average our data indicates $252 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

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$105FlexibilityNo cancel feeOn-time65%
DeltaCheapest$153Average$210FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$238FlexibilityNo cancel feeOn-time69%
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