$51+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to San Diego are usually found in February or August, booked 40 days in advance, depart on a Thursday or Saturday and return on a Thursday
Cheap flight deals from Irvine to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to San DiegoExplore 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 June 4, 2026.
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 June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:56 pm
LAX
- SAN
1 stop25h 47m
Frontier
Tue 8/114:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 6/2![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:19 pm
LAX
- SAN
1 stop17h 13m
Frontier
Mon 8/244:17 pm
SAN
- LAX
1 stop5h 07m
Frontier
Deal found 6/1![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:56 pm
LAX
- SAN
1 stop25h 31m
Frontier
Wed 7/224:38 pm
SAN
- LAX
1 stop20h 23m
Frontier
Deal found 6/4![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:17 pm
LAX
- SAN
1 stop5h 12m
Frontier
Thu 9/179:57 am
SAN
- LAX
1 stop5h 18m
Frontier
Deal found 6/2![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Tue 7/144:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 6/2![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:17 pm
LAX
- SAN
1 stop5h 12m
Frontier
Wed 9/169:57 am
SAN
- LAX
1 stop5h 18m
Frontier
Deal found 6/4![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 am
LAX
- SAN
1 stop9h 26m
Frontier
Mon 9/149:57 am
SAN
- LAX
1 stop5h 18m
Frontier
Deal found 6/2![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
LAX
- SAN
1 stop25h 52m
Frontier
Tue 7/74:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 6/1![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:30 am
LAX
- SAN
1 stop26h 12m
Frontier
Tue 9/14:17 pm
SAN
- LAX
1 stop5h 07m
Frontier
Deal found 6/2![Frontier logo]()
$135
Best flights from Irvine to San DiegoDiscover carefully curated flight deals from Irvine to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
Discover carefully curated flight deals from Irvine to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:02 pm
LAX
- SAN
1 stop6h 13m
Frontier
Mon 6/294:17 pm
SAN
- LAX
1 stop20h 48m
Frontier
Deal found 5/30![Frontier logo]()
$234
This Delta deal was found by Cheapflights users on 6/4. 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.
Thu 8/209:10 am
LAX
- SAN
Nonstop1h 05m
Delta
Sun 8/233:00 pm
SAN
- LAX
Nonstop1h 05m
Delta
Deal found 6/4![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 6/176:50 pm
LAX
- SAN
Nonstop1h 01m
United Airlines
Sun 6/218:32 pm
SAN
- LAX
Nonstop1h 13m
United Airlines
Deal found 6/3![United Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 7/148:20 am
LAX
- SAN
1 stop3h 59m
Alaska Airlines
Tue 7/149:27 pm
SAN
- LAX
1 stop12h 40m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 6/258:50 am
LAX
- SAN
Nonstop1h 01m
Delta
Sun 6/2810:50 am
SAN
- LAX
Nonstop1h 22m
Delta
Deal found 6/3![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 6/3. 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 8/710:55 pm
LAX
- SAN
Nonstop0h 59m
Delta
Sun 8/233:00 pm
SAN
- LAX
Nonstop1h 05m
Delta
Deal found 6/3![Delta logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 9/218:03 pm
LAX
- SAN
1 stop15h 13m
Alaska Airlines
Wed 9/237:00 am
SAN
- LAX
1 stop4h 38m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/31. 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.
Tue 7/216:20 pm
LAX
- SAN
Nonstop0h 57m
Delta
Mon 7/2710:54 am
SAN
- LAX
Nonstop1h 17m
Delta
Deal found 5/31![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 5/31. 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.
Mon 6/1510:40 pm
LAX
- SAN
Nonstop1h 00m
Delta
Mon 6/223:00 pm
SAN
- LAX
Nonstop1h 04m
Delta
Deal found 5/31![Delta logo]()
$254
Last-minute flights from Irvine to San DiegoDiscover last-minute flight deals from Irvine to San Diego. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San Diego. Data last updated June 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
LAX
- SAN
1 stop25h 52m
Frontier
Tue 7/74:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 6/1![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:02 pm
LAX
- SAN
1 stop6h 13m
Frontier
Wed 7/84:38 pm
SAN
- LAX
1 stop20h 23m
Frontier
Deal found 6/3![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:12 pm
LAX
- SAN
1 stop21h 22m
Frontier
Tue 7/74:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 5/31![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Tue 7/144:12 pm
SAN
- LAX
1 stop20h 49m
Frontier
Deal found 6/2![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Wed 7/83:03 pm
SAN
- LAX
1 stop5h 00m
Frontier
Deal found 5/31![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:56 pm
LAX
- SAN
1 stop25h 31m
Frontier
Wed 7/224:38 pm
SAN
- LAX
1 stop20h 23m
Frontier
Deal found 6/4![Frontier logo]()
$110
One-way flights from Irvine to San DiegoSearch for one-way flight options from Irvine to San Diego. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
Search for one-way flight options from Irvine to San Diego. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:56 pm
LAX
- SAN
1 stop25h 47m
Frontier
Deal found 6/3![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:56 pm
LAX
- SAN
1 stop25h 31m
Frontier
Deal found 6/3![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:19 pm
LAX
- SAN
1 stop17h 13m
Frontier
Deal found 6/4![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Deal found 5/30![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:02 pm
LAX
- SAN
1 stop6h 13m
Frontier
Deal found 5/30![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Deal found 6/1![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:55 pm
LAX
- SAN
1 stop12h 53m
Frontier
Deal found 6/2![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Deal found 6/3![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:30 am
LAX
- SAN
1 stop7h 38m
Frontier
Deal found 6/3![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:56 pm
LAX
- SAN
1 stop25h 47m
Frontier
Deal found 6/3![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:30 am
LAX
- SAN
1 stop17h 21m
Frontier
Deal found 6/3![Frontier logo]()
$76
Find flight deals from Irvine to San Diego
Keep the following information in mind while searching for Irvine to San Diego flight deals. Data was last updated June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Kiwi.com) |
One-way from | $51 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $244 |
Cheapflights Fare Finder
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 June 4, 2026.
Use the filters below to find and compare flights from Irvine to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 6/19
6:02 pm-12:15 am
1 stop6h 13m
San Diego
Mon 6/29
4:17 pm-1:05 pm
1 stop20h 48m
$234
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 8/20
9:10 am-10:15 am
Nonstop1h 05m
San Diego
Sun 8/23
3:00 pm-4:05 pm
Nonstop1h 05m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 6/25
8:50 am-9:51 am
Nonstop1h 01m
San Diego
Sun 6/28
10:50 am-12:12 pm
Nonstop1h 22m
$239
Quickest round-trip
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 8/7
10:55 pm-11:54 pm
Nonstop0h 59m
San Diego
Sun 8/23
3:00 pm-4:05 pm
Nonstop1h 05m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 7/21
6:20 pm-7:17 pm
Nonstop0h 57m
San Diego
Mon 7/27
10:54 am-12:11 pm
Nonstop1h 17m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Mon 6/15
10:40 pm-11:40 pm
Nonstop1h 00m
San Diego
Mon 6/22
3:00 pm-4:04 pm
Nonstop1h 04m
$254
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Wed 6/17
6:50 pm-7:51 pm
Nonstop1h 01m
San Diego
Sun 6/21
8:32 pm-9:45 pm
Nonstop1h 13m
$269
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 7/14
8:20 am-12:19 pm
1 stop3h 59m
San Diego
Tue 7/14
9:27 pm-10:07 am
1 stop12h 40m
$283
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Mon 9/21
8:03 pm-11:16 am
1 stop15h 13m
San Diego
Wed 9/23
7:00 am-11:38 am
1 stop4h 38m
$285
Cheapest one-way
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Wed 8/12
7:34 pm-7:44 am
1 stop12h 10m
$137
Showing 1-10 of 18 resultsSorted by cheapest first
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.
LAX-SAN
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.
Cheapflights Insights
Everything you need to know about your flight from Irvine to San Diego
IR9-SAN
LAX-SAN
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 June 4, 2026.
It’s typically best to fly out from Irvine to San Diego in the morning. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.
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 June 4, 2026.
The most flights from IR9 to SAN are scheduled on a Thursday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Irvine to San Diego?
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 June 4, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Irvine to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
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Irvine and San Diego flights
Browse other Irvine and San Diego flight options. Last updated on June 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 4, 2026.
Irvine to San Diego flights
Consider these flights traveling from Irvine to San Diego.
Top 2 airlines flying from Irvine to San Diego
Discover the top 2 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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$246 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$259 | FlexibilityNo cancel fee | On-timeN/A |