San Diego

Cheap flights from Irvine to San Diego (IR9 - SAN)

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 to San Diego

All the information you need to plan the best IR9 to SAN flight in 2022: compare Irvine to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

IR9 - SAN

Price

$129 - $209

SAN

Temperature

57.2 - 71.6 °F

SAN

Precipitation

0 - 2.3 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

$83

One-way flight from Irvine to San Diego

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

Travelers have found it’s best to book a flight 43 days in advance to save up to 60% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Irvine to San Diego 1-2 weeks in advance for as low as $173, or $223 for flights within the next 24 hours.

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

Flights from Irvine to San Diego lean towards being more expensive in September. Prices are generally better when you fly from Irvine to San Diego in April, with the cheapest ticket starting at $75.

When is the cheapest time to fly from Irvine to San Diego (IR9 - SAN)?

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.

Cheap flights from Irvine to San Diego in January, February 2022

The best prices found for Irvine to SAN flights for January, February
Feb 8 - Feb 10
LAX

Los Angeles

SAN

San Diego

1 stop

3h 46m
SAN

San Diego

LAX

Los Angeles

1 stop

7h 39m
$115

Spirit Airlines

View Deal

Deal found 1/21/22

Feb 18 - Feb 20
LAX

Los Angeles

SAN

San Diego

Nonstop

1h 05m
SAN

San Diego

LAX

Los Angeles

1 stop

3h 58m
$116

Multiple Airlines

View Deal

Deal found 1/23/22

Feb 12 - Feb 14
LAX

Los Angeles

SAN

San Diego

Nonstop

0h 50m
SAN

San Diego

LAX

Los Angeles

Nonstop

1h 05m
$118

Delta

View Deal

Deal found 1/22/22

Irvine to San Diego 2022 flight deals

Cheap flights to San Diego from Irvine found for this year
Feb 8 - Feb 10
LAX

Los Angeles

SAN

San Diego

1 stop

3h 46m
SAN

San Diego

LAX

Los Angeles

1 stop

7h 39m
$115

Spirit Airlines

View Deal

Deal found 1/21/22

Feb 18 - Feb 20
LAX

Los Angeles

SAN

San Diego

Nonstop

1h 05m
SAN

San Diego

LAX

Los Angeles

1 stop

3h 58m
$116

Multiple Airlines

View Deal

Deal found 1/23/22

Feb 12 - Feb 14
LAX

Los Angeles

SAN

San Diego

Nonstop

0h 50m
SAN

San Diego

LAX

Los Angeles

Nonstop

1h 05m
$118

Delta

View Deal

Deal found 1/22/22

Non-stop flights to San Diego from Irvine

Save time with Irvine to San Diego direct flight deals
Feb 12 - Feb 14
LAX

Los Angeles

SAN

San Diego

Nonstop

0h 50m
SAN

San Diego

LAX

Los Angeles

Nonstop

1h 05m
$118

Delta

View Deal

Deal found 1/22/22

Feb 19 - Apr 18
LAX

Los Angeles

SAN

San Diego

Nonstop

0h 50m
SAN

San Diego

LAX

Los Angeles

Nonstop

1h 01m
$128

Multiple Airlines

View Deal

Deal found 1/24/22

Feb 10 - Feb 14
LAX

Los Angeles

SAN

San Diego

Nonstop

0h 50m
SAN

San Diego

LAX

Los Angeles

Nonstop

1h 05m
$130

United Airlines

View Deal

Deal found 1/22/22

Last minute flights from Irvine to San Diego

Late deals on return flights to San Diego from Irvine, departing today and this week
Feb 2 - Feb 10
LAX

Los Angeles

SAN

San Diego

1 stop

4h 59m
SAN

San Diego

LAX

Los Angeles

1 stop

7h 39m
$119

Spirit Airlines

View Deal

Deal found 1/24/22

Feb 3 - Feb 10
LAX

Los Angeles

SAN

San Diego

1 stop

15h 37m
SAN

San Diego

LAX

Los Angeles

1 stop

15h 14m
$130

Spirit Airlines

View Deal

Deal found 1/22/22

Jan 31 - Feb 7
LAX

Los Angeles

SAN

San Diego

1 stop

23h 32m
SAN

San Diego

LAX

Los Angeles

1 stop

20h 17m
$134

Spirit Airlines

View Deal

Deal found 1/22/22

One-way flights to San Diego from Irvine

The cheapest one-way flights from Irvine to San Diego
Feb 8
LAX

Los Angeles

SAN

San Diego

1 stop

3h 46m
$56

Spirit Airlines

View Deal

Deal found 1/23/22

Feb 24
LAX

Los Angeles

SAN

San Diego

1 stop

6h 58m
$58

Spirit Airlines

View Deal

Deal found 1/21/22

Feb 20
LAX

Los Angeles

SAN

San Diego

Nonstop

1h 05m
$59

United Airlines

View Deal

Deal found 1/21/22

Related info for your journey

Useful info, stats and facts about Irvine to San Diego flights.

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 10 inbound flights from Irvine per day from 9 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

American Airlines, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 Spirit Airlines for just $115, but on average you can expect to pay $128.

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 $157.

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 Irvine to San Diego flight route?

Within the past month, 58 users have taken a look at flights from Irvine to San Diego.

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 $56 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $59 and Delta from $69 one-way.

What are the most popular airlines that fly from Irvine to San Diego?

The most popular airlines flying from Irvine to San Diego are Train, Bus and Major Airline. Something to consider prior to booking your flight.

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: Air New Zealand (88%), United Airlines (82%), Aeromexico (80%).

What are the cheapest flights from Irvine to San Diego?

Looking at all options, your cheapest flight can be booked for $12. While the most popular route (Los Angeles - San Diego) can be booked for $116 on average our data indicates $729 when flying from Irvine to San Diego.

Other flights to San Diego

Can I fly to San Diego from Irvine right now?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Irvine need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Irvine must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Diego.

Quarantine requirements
Visitors from Irvine are not required to quarantine after entering San Diego.

Can I fly back to Irvine from San Diego?

Returning to Irvine from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Irvine.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Irvine.

Alternative routes for Irvine to San Diego

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Alaska Airlines
Cheapest$91
Average$271
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
United Airlines
Cheapest$99
Average$205
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Delta
Cheapest$99
Average$216
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
American Airlines
Cheapest$99
Average$315
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Spirit Airlines
Cheapest$122
Average$219
FlexibilityNo cancel fee
On-time65%
COVID-19 safety

Hourly flight availability from Irvine to San Diego

See what time of day planes typically take off from Irvine to San Diego
1%of flight departuresEarly morningMidnight to 6 am
1%of flight departuresMorning6 am to noon
4%of flight departuresAfternoonNoon to 6 pm
94%of flight departuresEvening6 pm to midnight
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
Sunday12daily flights
Monday8daily flights
Tuesday11daily flights
Wednesday10daily flights
Thursday10daily flights
Friday10daily flights
Saturday10daily flights