Cheap flights from Irvine to San Diego (LAX - SAN)

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The best prices from Irvine to San Diego are usually found in April or May, booked 53 days in advance, depart on a Monday or Tuesday and return on a Saturday

How to find the cheapest flight from
Irvine (LAX) to San Diego (SAN)

All the information you need to plan the best LAX to SAN flight in 2021: compare Irvine to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
LAX - SAN
Price
$129 - $209
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

September

High demand for flights, 27% potential price rise

Cheapest in

April

Best time to find cheap flights, 16% potential price drop

Round-trip from

$129

From Irvine to San Diego

One-way from

$91

One-way flight from Irvine to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Irvine to San Diego?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 10% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Irvine to San Diego at least 17 days early can save you up to 27% on average compared to booking a flight this week. If booking 17 days before your flight isn’t an option for you, users have found flights from Irvine to San Diego for as little as $73 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $98 for flights departing within the next 3 days.

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

Flights from Irvine to San Diego lean towards being more expensive in December. Prices are generally better when you fly from Irvine to San Diego in July, with the cheapest ticket starting at $44.

When is the cheapest time to fly from Irvine to San Diego (LAX - SAN)?

It’s typically best to fly out from Irvine to San Diego in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Irvine to San Diego in May, June 2021

The best prices found for LAX to SAN flights for May, June
17 May - 24 May
$102pp
LAX
Los Angeles
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
LAX
Los Angeles
29 May - 5 Jun
$129pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles
30 Jun - 9 Jul
$138pp
LAX
Los Angeles
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles

Irvine to San Diego 2021 flight deals

Cheap flights to San Diego from Irvine found for this year
17 May - 24 May
$102pp
LAX
Los Angeles
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
LAX
Los Angeles
29 May - 5 Jun
$129pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles
30 Jun - 9 Jul
$138pp
LAX
Los Angeles
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles

Non-stop flights to San Diego from Irvine

Save time with Irvine to San Diego direct flight deals
29 May - 5 Jun
$129pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles
28 May - 4 Jun
$149pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles
25 Jun - 27 Jun
$169pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles

Last minute flights from Irvine to San Diego

Late deals on round-trip flights to San Diego from Irvine, departing today and this week
17 May - 24 May
$102pp
LAX
Los Angeles
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
LAX
Los Angeles
15 May - 17 May
$141pp
LAX
Los Angeles
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
LAX
Los Angeles
19 May - 20 May
$149pp
LAX
Los Angeles
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
LAX
Los Angeles

One-way flights to San Diego from Irvine

The cheapest one-way flights from Irvine to San Diego
1:30 pm - 7:35 pm
Alaska Airlines
1 Stop
6h 05m
LAX - SAN
Alaska Airlines
$91
Kiwi.com
2:30 am - 1:38 pm
Allegiant Air
1 Stop
11h 08m
LAX - SAN
Allegiant Air
$93
Kiwi.com
4:15 am - 8:49 am
United Airlines
1 Stop
4h 34m
LAX - SAN
United Airlines
$98
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Irvine</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Irvine to San Diego

Are flight prices decreasing from Los Angeles to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Los Angeles and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Los Angeles to San Diego to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Los Angeles to San Diego are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Los Angeles to San Diego have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Los Angeles to San Diego that may be offering flexible cancellation policies are American Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airports do I use to fly from Los Angeles to San Diego?

If you wish to fly to San Diego from Los Angeles, then you need to book flights from Los Angeles to San Diego. There are 4 flights from Los Angeles (LAX) to San Diego (SAN) per day to choose from. Flights to San Diego from Los Angeles are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 0h 50m is how long a nonstop flight from Los Angeles to San Diego typically takes.

Can I find flights from Irvine to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Irvine to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $102, but on average you can expect to pay $153.

Are there nonstop flights from Irvine to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Irvine to San Diego under $200. A good price for a nonstop flight from Irvine to San Diego is less than $243.

Are there last-minute flights available from Irvine to San Diego for under $200?

There are currently 20+ open flights from Irvine to San Diego within the next 7 days for less than $200.

How popular is this flight route?

The Los Angeles to San Diego flight path was viewed by 58 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Los Angeles or San Diego?

The rainfall in Los Angeles is generally same as the rainfall in San Diego. This will continue over the next 4 days.

Is Los Angeles weather warmer or cooler than San Diego?

Expect the weather to be around 90 °F on average in August. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Los Angeles.

How long is the flight from Irvine to San Diego?

For as low as $169, United Airlines can have you in San Diego from Irvine in 48m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Irvine to San Diego round-trip?

Frontier, at $102, was found to be the cheapest airline from Irvine to San Diego. An alternate airline flying to your destination would be United Airlines. Users have found that Frontier is 33% cheaper than the other options available to this destination.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. Allegiant Air flights start at $79 while deals on Alaska Airlines start at $87 one-way.

Alternative routes for Irvine to San Diego

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

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Irvine to San Diego.
Flight duration
0h 49m
Average temperature for May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

Airports servicing Los Angeles

Airports servicing San Diego

Top 5 airlines flying from Irvine to San Diego

The chart below displays the airlines Cheapflights users traveling from Irvine to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$99 $205 No cancel fee 69%
Delta
$99 $216 No cancel fee N/A
Spirit Airlines
$158 $223 No cancel fee 65%
American Airlines
$99 $262 No cancel fee 71%
Alaska Airlines
$91 $271 No cancel fee 75%

Hourly flight availability from Irvine to San Diego

See what time of day planes typically take off from Irvine towards San Diego.
Evening 6 PM to midnight 81% of LAX to SAN departures
Morning 6 AM to noon 18% of LAX to SAN departures
Early morning Midnight to 6 AM 1% of LAX to SAN departures
Afternoon Noon to 6 PM 0% of LAX to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Irvine to San Diego
See how many times per day planes take to the skies headed from Irvine to San Diego.
Sunday
6 daily flights
Monday
4 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
3 daily flights
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