$161+ Cheap flights from Irvine, CA to San José (SJO)
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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to San José 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 José Juan Santamaria Intl are usually found in October or September, booked 77 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from Irvine to San José
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to San JoséExplore the most affordable flight options available from Irvine to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Irvine to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This Viva deal was found by Cheapflights users on 3/31. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:05 am
LAX
- SJO
1 stop24h 10m
Viva
Fri 7/32:20 am
SJO
- LAX
1 stop21h 15m
Viva
Deal found 3/31![Viva logo]()
$356
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:30 am
LAX
- SJO
2 stops29h 03m
Spirit Airlines
Fri 4/2412:38 pm
SJO
- LAX
2 stops36h 15m
Spirit Airlines
Deal found 3/28![Spirit Airlines logo]()
$366
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Frontier
Mon 6/19:35 am
SJO
- LAX
2 stops24h 28m
Frontier
Deal found 3/31![Frontier logo]()
$368
This Viva deal was found by Cheapflights users on 3/30. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:10 pm
LAX
- SJO
1 stop10h 05m
Viva
Fri 6/52:20 am
SJO
- LAX
1 stop14h 05m
Viva
Deal found 3/30![Viva logo]()
$375
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Frontier
Thu 5/289:35 am
SJO
- LAX
2 stops24h 28m
Frontier
Deal found 4/1![Frontier logo]()
$377
This Viva deal was found by Cheapflights users on 3/30. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:05 am
LAX
- SJO
1 stop24h 10m
Viva
Fri 7/172:20 am
SJO
- LAX
1 stop21h 15m
Viva
Deal found 3/30![Viva logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/2611:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Sun 5/3112:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$381
This Viva deal was found by Cheapflights users on 3/30. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:05 am
LAX
- SJO
1 stop24h 10m
Viva
Fri 7/32:20 am
SJO
- LAX
1 stop21h 15m
Viva
Deal found 3/30![Viva logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/2611:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Fri 6/512:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$384
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Thu 5/281:55 pm
SJO
- LAX
1 stop19h 32m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$386
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Tue 5/2612:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$387
Best flights from Irvine to San JoséDiscover carefully curated flight deals from Irvine to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Irvine to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This Viva deal was found by Cheapflights users on 4/1. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:05 am
LAX
- SJO
1 stop24h 10m
Viva
Fri 7/32:20 am
SJO
- LAX
1 stop21h 15m
Viva
Deal found 4/1![Viva logo]()
$364
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:30 am
LAX
- SJO
2 stops10h 30m
Southwest
Tue 5/51:10 pm
SJO
- LAX
1 stop10h 00m
Southwest
Deal found 3/30![Southwest logo]()
$462
This Copa Airlines deal was found by Cheapflights users on 3/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:17 pm
LAX
- SJO
1 stop17h 55m
Copa Airlines
Thu 6/1810:05 am
SJO
- LAX
1 stop14h 17m
Copa Airlines
Deal found 3/29![Copa Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:59 pm
LAX
- SJO
1 stop9h 12m
United Airlines
Sun 5/316:00 am
SJO
- LAX
Nonstop6h 21m
United Airlines
Deal found 3/31![United Airlines logo]()
$552
This Viva deal was found by Cheapflights users on 3/30. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:05 am
LAX
- SJO
1 stop24h 10m
Viva
Fri 7/102:20 am
SJO
- LAX
1 stop21h 15m
Viva
Deal found 3/30![Viva logo]()
$399
This Southwest deal was found by Cheapflights users on 3/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:20 am
LAX
- SJO
2 stops11h 40m
Southwest
Wed 5/131:10 pm
SJO
- LAX
1 stop10h 00m
Southwest
Deal found 3/29![Southwest logo]()
$491
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:55 am
LAX
- SJO
1 stop10h 26m
United Airlines
Sun 5/176:00 am
SJO
- LAX
Nonstop6h 21m
United Airlines
Deal found 3/31![United Airlines logo]()
$552
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:55 am
LAX
- SJO
2 stops10h 05m
Southwest
Tue 5/121:10 pm
SJO
- LAX
1 stop10h 00m
Southwest
Deal found 3/27![Southwest logo]()
$506
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
LAX
- SJO
2 stops12h 00m
Southwest
Mon 5/41:10 pm
SJO
- LAX
2 stops11h 10m
Southwest
Deal found 3/27![Southwest logo]()
$509
This Southwest deal was found by Cheapflights users on 3/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:45 am
LAX
- SJO
1 stop9h 15m
Southwest
Fri 5/19:00 am
SJO
- LAX
2 stops14h 25m
Southwest
Deal found 3/28![Southwest logo]()
$528
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:10 am
LAX
- SJO
2 stops11h 50m
Southwest
Thu 5/219:00 am
SJO
- LAX
2 stops24h 35m
Southwest
Deal found 3/30![Southwest logo]()
$551
Last-minute flights from Irvine to San JoséDiscover last-minute flight deals from Irvine to San José. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San José. Data last updated April 2, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:51 pm
LAX
- SJO
1 stop9h 10m
Multiple Airlines
Mon 4/209:40 am
SJO
- LAX
1 stop13h 30m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$394
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:30 am
LAX
- SJO
2 stops29h 03m
Spirit Airlines
Fri 4/2412:38 pm
SJO
- LAX
2 stops36h 15m
Spirit Airlines
Deal found 3/28![Spirit Airlines logo]()
$366
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:22 pm
LAX
- SJO
2 stops17h 11m
Multiple Airlines
Tue 4/217:00 am
SJO
- LAX
2 stops17h 53m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$390
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Frontier
Mon 6/19:35 am
SJO
- LAX
2 stops24h 28m
Frontier
Deal found 3/31![Frontier logo]()
$368
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Frontier
Thu 5/289:35 am
SJO
- LAX
2 stops24h 28m
Frontier
Deal found 4/1![Frontier logo]()
$377
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Thu 5/281:55 pm
SJO
- LAX
1 stop19h 32m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$386
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Tue 5/2612:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/2611:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Sun 5/3112:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/2611:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Fri 6/512:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$384
This Orbitz deal was found by Cheapflights users on 3/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Tue 7/145:45 am
SJO
- LAX
1 stop8h 15m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/2711:21 pm
LAX
- SJO
1 stop31h 58m
Multiple Airlines
Wed 6/312:53 am
SJO
- LAX
Nonstop6h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$391
One-way flights from Irvine to San JoséSearch for one-way flight options from Irvine to San José. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Irvine to San José. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Viva deal was found by Cheapflights users on 3/27. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:00 pm
LAX
- SJO
1 stop9h 20m
Viva
Deal found 3/27![Viva logo]()
$161
This Viva deal was found by Cheapflights users on 3/31. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:00 pm
LAX
- SJO
1 stop9h 20m
Viva
Deal found 3/31![Viva logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Sat 5/25:30 am
LAX
- SJO
2 stops29h 03m
Spirit Airlines
Deal found 4/1![Spirit Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 5/2811:21 pm
LAX
- SJO
1 stop31h 58m
Frontier
Deal found 3/31![Frontier logo]()
$170
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:00 am
LAX
- SJO
1 stop13h 14m
JetBlue
Deal found 3/30![JetBlue logo]()
$176
This Viva deal was found by Cheapflights users on 3/29. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:00 pm
LAX
- SJO
1 stop9h 20m
Viva
Deal found 3/29![Viva logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2911:36 pm
LAX
- SJO
2 stops34h 57m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Tue 4/2811:36 pm
LAX
- SJO
2 stops34h 57m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/155:30 am
LAX
- SJO
2 stops53h 03m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/295:30 am
LAX
- SJO
2 stops29h 03m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$183
This JetBlue deal was found by Cheapflights users on 4/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 am
LAX
- SJO
1 stop14h 14m
JetBlue
Deal found 4/1![JetBlue logo]()
$184
Find flight deals from Irvine to San José
Keep the following information in mind while searching for Irvine to San José flight deals. Data was last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (Viva) |
One-way from | $161 (Viva) |
Popular in | December |
Cheapest in | October |
Average price | $490 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to San José 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 April 2, 2026.
Use the filters below to find and compare flights from Irvine to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Sun 6/28
12:05 am-1:15 am
1 stop24h 10m
San José Juan Santamaria Intl
Fri 7/3
2:20 am-10:35 pm
1 stop21h 15m
$364
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Thu 6/25
12:05 am-1:15 am
1 stop24h 10m
San José Juan Santamaria Intl
Fri 7/10
2:20 am-10:35 pm
1 stop21h 15m
$399
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Tue 4/28
7:30 am-7:00 pm
2 stops10h 30m
San José Juan Santamaria Intl
Tue 5/5
1:10 pm-10:10 pm
1 stop10h 00m
$462
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Wed 5/6
6:20 am-7:00 pm
2 stops11h 40m
San José Juan Santamaria Intl
Wed 5/13
1:10 pm-10:10 pm
1 stop10h 00m
$491
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Thu 5/7
7:55 am-7:00 pm
2 stops10h 05m
San José Juan Santamaria Intl
Tue 5/12
1:10 pm-10:10 pm
1 stop10h 00m
$506
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Mon 4/27
6:00 am-7:00 pm
2 stops12h 00m
San José Juan Santamaria Intl
Mon 5/4
1:10 pm-11:20 pm
2 stops11h 10m
$509
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Tue 4/28
8:45 am-7:00 pm
1 stop9h 15m
San José Juan Santamaria Intl
Fri 5/1
9:00 am-10:25 pm
2 stops14h 25m
$528
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Thu 6/11
12:17 pm-7:12 am
1 stop17h 55m
San José Juan Santamaria Intl
Thu 6/18
10:05 am-11:22 pm
1 stop14h 17m
$548
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Thu 5/14
6:10 am-7:00 pm
2 stops11h 50m
San José Juan Santamaria Intl
Thu 5/21
9:00 am-8:35 am
2 stops24h 35m
$551
Quickest round-trip
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles Los Angeles
Thu 4/23
11:59 pm-10:11 am
1 stop9h 12m
San José Juan Santamaria Intl
Sun 5/31
6:00 am-11:21 am
Nonstop6h 21m
$552
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Irvine to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Irvine with our price prediction graph.
LAX-SJO
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 José
IR9-SJO
LAX-SJO
How far ahead should I book a flight from Irvine to San José?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to San José. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to San José, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to San José?
Currently, October is the cheapest month in which you can book a flight from Irvine to San José (average of $153). Flying from Irvine to San José in December is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IR9 to SJO?
Find hourly flight availability from Irvine to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2026.
A simple way to save on the total cost of your ticket is to fly from Irvine to San José at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from Irvine to San José?
Use this chart to determine the cheapest time to fly round-trip from Irvine to San José. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Irvine to San José flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to San José
Explore weekly flight availability from Irvine to San José. 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 April 2, 2026.
The most flights from IR9 to SJO are scheduled on a Tuesday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Irvine to San José?
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 José. Reviews last updated April 2, 2026.
Read reviews from past customers who have flown Alaska Airlines,Volaris Costa Rica, andUnited Airlines from Irvine to San José. 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
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Irvine to San José. 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 José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Irvine to San José
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San José by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to San José by cabin class
Find flights from Irvine to San José, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and San José flights
Browse other Irvine and San José flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San José
Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 2, 2026.
Irvine to San José flights
Consider these flights traveling from Irvine to San José.
Top 10 airlines flying from Irvine to San José
Discover the top 10 airlines that operate flights from Irvine to San José. 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$187 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$116 | Average$206 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$160 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$160 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$180 | Average$554 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$478 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$284 | Average$474 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$326 | Average$492 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$349 | Average$558 | FlexibilityNo cancel fee | On-time69% |