Cheap flights from Irvine, CA to San Diego (SAN)
The best prices from Irvine to San Diego are usually found in February or October, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Thursday
How to find the cheapest flight from Irvine to San Diego (SAN)
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 | $143 - $257 |
|---|---|
SAN Temperature | 57.2 - 71.6 °F |
SAN Rainfall | 0 - 2.3 inches |
| Popular in | June | High demand for flights, 28% potential price rise |
|---|---|---|
| Cheapest in | February | Best time to find cheap flights, 23% potential price drop |
| Round-trip from | $143 | From Irvine to San Diego |
| One-way from | $37 | 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 61 days in advance to save up to 71% 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 61 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 $199, or $256 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 June. Prices are generally better when you fly from Irvine to San Diego in February, with the cheapest ticket starting at $117.
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 2022
The best prices found for Irvine to SAN flights for September, October
Los Angeles
San Diego
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11h 46mSan Diego
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6h 30mSpirit Airlines
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3h 36mSan Diego
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4h 26mSpirit Airlines
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3h 15mSan Diego
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4h 26mSpirit Airlines
Irvine to San Diego 2022 flight deals
Cheap flights to San Diego from Irvine found for this year
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San Diego
1 stop
11h 46mSan Diego
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6h 30mSpirit Airlines
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3h 36mSan Diego
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4h 26mSpirit Airlines
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3h 36mSan Diego
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Cheap Spirit Airlines flights from Irvine to San Diego
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San Diego
1 stop
11h 46mSan Diego
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6h 30mSpirit Airlines
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3h 36mSan Diego
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4h 26mSpirit Airlines
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3h 36mSan Diego
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4h 26mSpirit Airlines
Cheap American Airlines flights from Irvine to San Diego
Los Angeles
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8h 51mSan Diego
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9h 12mAmerican Airlines
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7h 19mSan Diego
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9h 12mAmerican Airlines
Non-stop flights to San Diego from Irvine
Save time with Irvine to San Diego direct flight deals
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0h 55mSan Diego
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1h 06mUnited Airlines
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0h 59mSan Diego
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1h 05mUnited Airlines
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0h 55mSan Diego
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1h 04mUnited Airlines
Last minute flights from Irvine to San Diego
Late deals on return flights to San Diego from Irvine, departing today and this week
Los Angeles
San Diego
1 stop
11h 46mSan Diego
Los Angeles
1 stop
6h 30mSpirit Airlines
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5h 35mSan Diego
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4h 26mSpirit Airlines
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3h 15mSan Diego
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4h 26mSpirit Airlines
One-way flights to San Diego from Irvine
The cheapest one-way flights from Irvine to San Diego
Los Angeles
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3h 32mSpirit Airlines
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1 stop
3h 36mSpirit Airlines
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1 stop
3h 26mSpirit Airlines
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 21 inbound flights from Irvine per day from 10 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?
United Airlines, Delta, and Train 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 $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 $91, but on average you can expect to pay $116.
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 $211.
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.
What days are nonstop flights available from Irvine to San Diego?
Nonstop flights can be found on the following days: Monday, Tuesday, Thursday, Friday, Saturday.
How popular is this Irvine to San Diego flight route?
Within the past month, 11 users have taken a look at flights from Irvine to San Diego.
How many flights depart from Irvine to San Diego on average per day?
11 flight departures from Irvine to San Diego per day on average.
Afternoon (Noon - 6pm) - 36% of flight departures
Evening (6pm - Midnight) - 64% of flight departures
How long is the flight from Irvine to San Diego?
Departing from Irvine to San Diego will take you 3h 36m. Airlines will cover a distance of 109 mi.
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 Undisclosed Carrier. 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: United Airlines (95%), Austrian Airlines (93%), Asiana Airlines (91%).
What are the cheapest flights from Irvine to San Diego?
Looking at all options, your cheapest flight can be booked for $75. While the most popular route (Los Angeles - San Diego) can be booked for $95 on average our data indicates $389 when flying from Irvine to San Diego.
Other flights to San Diego
Flights to San Diego from 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.
Hourly flight availability from Irvine to San Diego
See what time of day planes typically take off from Irvine to San Diego
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 30%of flight departures | AfternoonNoon to 6 pm |
| 70%of flight departures | Evening6 pm to midnight |
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 | 22daily flights |
|---|---|
| Monday | 20daily flights |
| Tuesday | 21daily flights |
| Wednesday | 21daily flights |
| Thursday | 21daily flights |
| Friday | 21daily flights |
| Saturday | 21daily flights |