$49+ Cheap flights from Irvine, CA to San Francisco (SFO)
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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from Irvine to San Francisco 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 Francisco are usually found in March or July, booked 77 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Irvine to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to San FranciscoExplore the most affordable flight options available from Irvine to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Irvine to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 4/258:05 pm
LAX
- SFO
Nonstop1h 30m
United Airlines
Wed 4/296:25 pm
SFO
- LAX
Nonstop1h 44m
United Airlines
Deal found 2/15![United Airlines logo]()
$81
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Tue 3/108:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/15![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/98:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/17![Frontier logo]()
$84
This Expedia deal was found by Cheapflights users on 2/15. 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.
Fri 3/278:01 pm
LAX
- SFO
Nonstop1h 37m
Multiple Airlines
Tue 3/311:43 pm
SFO
- LAX
Nonstop1h 32m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$85
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:01 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Sun 4/265:49 pm
SFO
- LAX
Nonstop1h 35m
Frontier
Deal found 2/17![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Sat 4/46:00 am
LAX
- SFO
Nonstop1h 30m
Multiple Airlines
Sat 4/118:14 pm
SFO
- LAX
Nonstop1h 42m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$87
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:34 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Mon 4/138:09 pm
SFO
- LAX
Nonstop1h 37m
Frontier
Deal found 2/17![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:49 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Sat 2/286:53 pm
SFO
- LAX
Nonstop1h 33m
Frontier
Deal found 2/15![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 2/16. 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.
Thu 3/128:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Wed 3/188:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/16![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/78:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Tue 3/107:32 pm
SFO
- LAX
1 stop17h 07m
Frontier
Deal found 2/15![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/208:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/238:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/18![Frontier logo]()
$92
Best flights from Irvine to San FranciscoDiscover carefully curated flight deals from Irvine to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Irvine to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/79:20 pm
LAX
- SFO
Nonstop1h 35m
United Airlines
Sat 3/1410:35 pm
SFO
- LAX
Nonstop1h 24m
United Airlines
Deal found 2/14![United Airlines logo]()
$81
This Southwest deal was found by Cheapflights users on 2/15. 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.
Sat 3/145:05 am
LAX
- SFO
Nonstop1h 30m
Southwest
Tue 3/175:05 am
SFO
- LAX
1 stop5h 10m
Southwest
Deal found 2/15![Southwest logo]()
$96
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/146:36 pm
LAX
- SFO
Nonstop1h 34m
United Airlines
Tue 3/1710:35 am
SFO
- LAX
Nonstop1h 33m
United Airlines
Deal found 2/14![United Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 2/15. 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 3/176:45 am
LAX
- SFO
1 stop6h 00m
Southwest
Tue 3/246:45 am
SFO
- LAX
Nonstop1h 25m
Southwest
Deal found 2/15![Southwest logo]()
$99
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Tue 3/101:15 pm
LAX
- SFO
Nonstop1h 35m
United Airlines
Tue 3/179:10 am
SFO
- LAX
Nonstop1h 36m
United Airlines
Deal found 2/16![United Airlines logo]()
$97
This Southwest deal was found by Cheapflights users on 2/15. 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.
Sat 5/25:35 am
LAX
- SFO
1 stop6h 15m
Southwest
Tue 5/56:05 pm
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 2/15![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 2/15. 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 3/107:10 pm
LAX
- SFO
1 stop4h 05m
Southwest
Tue 3/177:15 pm
SFO
- LAX
Nonstop1h 25m
Southwest
Deal found 2/15![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 2/17. 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 3/2412:20 pm
LAX
- SFO
Nonstop1h 30m
Southwest
Wed 3/256:25 am
SFO
- LAX
2 stops6h 10m
Southwest
Deal found 2/17![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 2/15. 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 4/16:05 am
LAX
- SFO
Nonstop1h 35m
Southwest
Wed 4/810:30 am
SFO
- LAX
2 stops6h 55m
Southwest
Deal found 2/15![Southwest logo]()
$112
Last-minute flights from Irvine to San FranciscoDiscover last-minute flight deals from Irvine to San Francisco. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San Francisco. Data last updated February 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:49 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Sat 2/286:53 pm
SFO
- LAX
Nonstop1h 33m
Frontier
Deal found 2/15![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Tue 3/108:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/15![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/98:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/17![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/78:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Tue 3/107:32 pm
SFO
- LAX
1 stop17h 07m
Frontier
Deal found 2/15![Frontier logo]()
$91
This Gotogate deal was found by Cheapflights users on 2/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/168:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/17![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Wed 3/188:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/15![Frontier logo]()
$90
This Expedia deal was found by Cheapflights users on 2/14. 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.
Sat 3/146:00 am
LAX
- SFO
Nonstop1h 31m
Multiple Airlines
Tue 3/178:09 pm
SFO
- LAX
Nonstop1h 30m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$87
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/208:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/238:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/18![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 2/15. 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.
Tue 3/244:15 pm
LAX
- SFO
Nonstop1h 29m
Alaska Airlines
Tue 4/75:43 pm
SFO
- LAX
Nonstop1h 30m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$81
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Mon 3/308:14 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 2/15![Frontier logo]()
$85
One-way flights from Irvine to San FranciscoSearch for one-way flight options from Irvine to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Irvine to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/1810:15 am
LAX
- SFO
Nonstop1h 35m
United Airlines
Deal found 2/17![United Airlines logo]()
$49
This Frontier deal was found by Cheapflights users on 2/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:34 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Deal found 2/16![Frontier logo]()
$50
This Southwest deal was found by Cheapflights users on 2/16. 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.
Sat 5/25:35 am
LAX
- SFO
1 stop6h 15m
Southwest
Deal found 2/16![Southwest logo]()
$51
This CheapOair deal was found by Cheapflights users on 2/15. 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.
Fri 3/138:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Deal found 2/15![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/68:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Deal found 2/15![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/97:29 pm
LAX
- SFO
Nonstop1h 39m
Frontier
Deal found 2/17![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Deal found 2/18![Frontier logo]()
$55
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:34 pm
LAX
- SFO
Nonstop1h 34m
Frontier
Deal found 2/17![Frontier logo]()
$56
This Jetabroad deal was found by Cheapflights users on 2/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
LAX
- SFO
Nonstop1h 30m
Hawaiian Airlines
Deal found 2/17![Hawaiian Airlines logo]()
$57
This Southwest deal was found by Cheapflights users on 2/15. 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.
Sat 2/285:40 am
LAX
- SFO
Nonstop1h 30m
Southwest
Deal found 2/15![Southwest logo]()
$58
This Southwest deal was found by Cheapflights users on 2/17. 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 3/102:15 pm
LAX
- SFO
1 stop4h 25m
Southwest
Deal found 2/17![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/111:39 pm
LAX
- SFO
1 stop4h 58m
Frontier
Deal found 2/17![Frontier logo]()
$60
Find flight deals from Irvine to San Francisco
Keep the following information in mind while searching for Irvine to San Francisco flight deals. Data was last updated February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $81 (CheapOair) |
One-way from | $49 (United Airlines) |
Popular in | January |
Cheapest in | March |
Average price | $197 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to San Francisco 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 February 18, 2026.
Use the filters below to find and compare flights from Irvine to San Francisco that are best for you.
Fly from
Irvine
Fly to
San Francisco
Route
Depart
Return
Price
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 3/7
9:20 pm-10:55 pm
Nonstop1h 35m
San Francisco
Sat 3/14
10:35 pm-11:59 pm
Nonstop1h 24m
$81
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 3/14
6:36 pm-8:10 pm
Nonstop1h 34m
San Francisco
Tue 3/17
10:35 am-12:08 pm
Nonstop1h 33m
$89
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 3/14
5:05 am-6:35 am
Nonstop1h 30m
San Francisco
Tue 3/17
5:05 am-10:15 am
1 stop5h 10m
$96
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/10
1:15 pm-2:50 pm
Nonstop1h 35m
San Francisco
Tue 3/17
9:10 am-10:46 am
Nonstop1h 36m
$97
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/17
6:45 am-12:45 pm
1 stop6h 00m
San Francisco
Tue 3/24
6:45 am-8:10 am
Nonstop1h 25m
$99
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 5/2
5:35 am-11:50 am
1 stop6h 15m
San Francisco
Tue 5/5
6:05 pm-7:35 pm
Nonstop1h 30m
$99
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/10
7:10 pm-11:15 pm
1 stop4h 05m
San Francisco
Tue 3/17
7:15 pm-8:40 pm
Nonstop1h 25m
$107
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/24
12:20 pm-1:50 pm
Nonstop1h 30m
San Francisco
Wed 3/25
6:25 am-12:35 pm
2 stops6h 10m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 4/1
6:05 am-7:40 am
Nonstop1h 35m
San Francisco
Wed 4/8
10:30 am-5:25 pm
2 stops6h 55m
$112
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 3/18
10:15 am-11:50 am
Nonstop1h 35m
$49
Showing 1-10 of 20 results
Best time to book a flight from Irvine to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Irvine with our price prediction graph.
LAX-SFO
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 Francisco
IR9-SFO
LAX-SFO
How far ahead should I book a flight from Irvine to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to San Francisco. Price data was last updated on February 13, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to San Francisco, 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 Francisco?
Currently, May is the cheapest month in which you can book a flight from Irvine to San Francisco (average of $28). Flying from Irvine to San Francisco in November is currently the most expensive (average of $62). 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 SFO?
Find hourly flight availability from Irvine to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 18, 2026.
One of the essential ways to save on airfare from Irvine to San Francisco is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 8% on airfare.
What is the cheapest day to fly from Irvine to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Irvine to San Francisco. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their Irvine to San Francisco flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday 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 Francisco
Explore weekly flight availability from Irvine to San Francisco. 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 February 18, 2026.
The most flights from IR9 to SFO are scheduled on a Monday (164 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (73 on average).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated February 18, 2026.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Irvine to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Irvine to San Francisco. 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 Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSanta Cruz
South San Francisco
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Redwood City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City
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Top 9 airlines flying from Irvine to San Francisco
Discover the top 9 airlines that operate flights from Irvine to San Francisco. 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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$105 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$28 | Average$83 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$38 | Average$168 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$219 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$78 | Average$204 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$79 | Average$200 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$252 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$363 | FlexibilityNo cancel fee | On-time71% |