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

All the information you need to plan the best null to SAN flight in 2021: 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
66.2 - 80.6 °F
SAN
Precipitation
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

$69

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.
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 September, October 2021

The best prices found for Irvine to SAN flights for September, October
28 Sep - 30 Sep
$79pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
3 Oct - 6 Oct
$80pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
23 Sep - 28 Sep
$83pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles

Irvine to San Diego 2021 flight deals

Cheap flights to San Diego from Irvine found for this year
28 Sep - 30 Sep
$79pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
3 Oct - 6 Oct
$80pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
6 Dec - 8 Dec
$82pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles

Non-stop flights to San Diego from Irvine

Save time with Irvine to San Diego direct flight deals
8 Oct - 10 Oct
$117pp
LAX
Los Angeles
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
LAX
Los Angeles
1 Oct - 10 Oct
$129pp
LAX
Los Angeles
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
LAX
Los Angeles
10 Oct - 11 Oct
$132pp
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
28 Sep - 30 Sep
$79pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
23 Sep - 28 Sep
$83pp
LAX
Los Angeles
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
LAX
Los Angeles
27 Sep - 29 Sep
$91pp
LAX
Los Angeles
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
LAX
Los Angeles

One-way flights to San Diego from Irvine

The cheapest one-way flights from Irvine to San Diego
4:23 am - 3:46 pm
Multiple Airlines
2 Stops
11h 23m
LAX - SAN
Multiple Airlines
$69
Kiwi.com
7:27 am - 12:53 pm
Spirit Airlines
2 Stops
29h 26m
LAX - SAN
Spirit Airlines
$70
Gotogate
5:10 am - 6:03 am
United Airlines
Nonstop
0h 53m
LAX - SAN
United Airlines
$71
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

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 8 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.

Are flight prices decreasing from Irvine 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 Irvine 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.

Can I find flights from Irvine to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Irvine to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $64, but on average you can expect to pay $93.

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 $162.

Are there last-minute flights available from Irvine to San Diego for under $100?

There are currently 20+ open flights from Irvine to San Diego within the next 7 days for less than $100.

How popular is this Irvine to San Diego flight route?

The Irvine 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.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Irvine?

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 72 hours before departing to San Diego.

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

Do I need a test to 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 72 hours before departing to Irvine.

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

Hide COVID Travel Restrictions for San Diego, CA

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 from Irvine to SAN
0h 56m
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Irvine

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
$122 $219 No cancel fee 65%
Alaska Airlines
$91 $271 No cancel fee 75%
American Airlines
$99 $315 No cancel fee 71%

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 52% of Irvine to SAN departures
Morning 6 AM to noon 47% of Irvine to SAN departures
Early morning Midnight to 6 AM 1% of Irvine to SAN departures
Afternoon Noon to 6 PM 0% of Irvine 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
8 daily flights
Monday
8 daily flights
Tuesday
10 daily flights
Wednesday
10 daily flights
Thursday
10 daily flights
Friday
9 daily flights
Saturday
6 daily flights
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