$58+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
Sep 16 — Sep 231
Round-trip
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 October or September, 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 August 17, 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 August 17, 2026.
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:50 am -
1 stop6h 56m
Thu 9/1712:07 pm -
Nonstop1h 36m
Deal found 8/17![Frontier logo]()
$83
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:44 am -
Nonstop1h 32m
Tue 10/2711:42 am -
1 stop4h 10m
Deal found 8/17![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 8/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:43 pm -
Nonstop1h 35m
Mon 11/168:42 pm -
Nonstop1h 28m
Deal found 8/14![Frontier logo]()
$86
This Priceline deal was found by Cheapflights users on 8/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:28 pm -
1 stop9h 46m
Fri 9/119:00 am -
Nonstop1h 37m
Deal found 8/14![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:44 am -
Nonstop1h 38m
Mon 9/144:34 pm -
1 stop7h 36m
Deal found 8/14![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:03 pm -
Nonstop1h 35m
Mon 10/127:25 pm -
Nonstop1h 36m
Deal found 8/14![Frontier logo]()
$90
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 am -
1 stop28h 17m
Thu 9/1012:07 pm -
Nonstop1h 36m
Deal found 8/17![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 8/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:44 am -
Nonstop1h 38m
Sat 9/269:00 am -
Nonstop1h 37m
Deal found 8/16![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/148:44 am -
Nonstop1h 38m
Tue 9/151:10 pm -
1 stop6h 36m
Deal found 8/13![Frontier logo]()
$93
This Expedia deal was found by Cheapflights users on 8/14. 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.
Wed 9/168:44 am -
Nonstop1h 38m
Sat 9/193:41 pm -
Nonstop1h 31m
Deal found 8/14![Multiple Airlines logo]()
$94
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 August 17, 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 August 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/11:30 pm -
Nonstop1h 22m
Sun 9/68:57 pm -
Nonstop1h 32m
Deal found 8/13![Alaska Airlines logo]()
$128
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:50 am -
2 stops6h 50m
Tue 9/152:35 pm -
1 stop6h 50m
Deal found 8/14![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 8/16. 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.
Thu 9/1011:20 am -
2 stops7h 10m
Thu 9/177:00 am -
1 stop5h 50m
Deal found 8/16![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm -
1 stop3h 50m
Wed 9/162:00 pm -
2 stops7h 25m
Deal found 8/14![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 am -
1 stop4h 20m
Mon 10/128:00 pm -
2 stops12h 10m
Deal found 8/14![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 8/13. 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 10/219:25 am -
2 stops7h 45m
Mon 10/268:00 pm -
2 stops12h 10m
Deal found 8/13![Southwest logo]()
$183
This Southwest deal was found by Cheapflights users on 8/16. 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.
Fri 11/66:35 pm -
1 stop5h 05m
Sun 11/86:00 pm -
Nonstop1h 35m
Deal found 8/16![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:20 pm -
2 stops6h 45m
Thu 10/225:05 am -
2 stops7h 30m
Deal found 8/14![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/12. 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 10/245:25 am -
1 stop4h 25m
Sun 10/255:00 am -
2 stops7h 40m
Deal found 8/12![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 8/13. 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 10/225:30 am -
1 stop4h 20m
Sun 11/84:15 pm -
2 stops7h 50m
Deal found 8/13![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 8/12. 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 9/303:25 pm -
2 stops6h 15m
Sat 10/33:00 pm -
2 stops8h 20m
Deal found 8/12![Southwest logo]()
$228
Last-minute flights from Irvine to San FranciscoDiscover last-minute flight deals from Irvine to San Francisco. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San Francisco. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 8/227:07 pm -
Nonstop1h 33m
Sat 9/58:23 pm -
Nonstop1h 31m
Deal found 8/15![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 8/13. 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.
Mon 8/247:07 pm -
Nonstop1h 33m
Thu 9/38:23 pm -
Nonstop1h 31m
Deal found 8/13![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Tue 8/257:07 pm -
Nonstop1h 33m
Sat 9/58:23 pm -
Nonstop1h 31m
Deal found 8/15![Frontier logo]()
$141
This Expedia deal was found by Cheapflights users on 8/15. 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.
Wed 8/267:07 pm -
Nonstop1h 33m
Sat 9/58:23 pm -
Nonstop1h 31m
Deal found 8/15![Frontier logo]()
$103
This Expedia deal was found by Cheapflights users on 8/13. 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.
Wed 8/267:07 pm -
Nonstop1h 33m
Sat 9/53:51 pm -
Nonstop1h 31m
Deal found 8/13![Multiple Airlines logo]()
$115
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Wed 8/267:07 pm -
Nonstop1h 33m
Fri 9/189:00 am -
Nonstop1h 37m
Deal found 8/12![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/267:07 pm -
Nonstop1h 33m
Mon 8/318:23 pm -
Nonstop1h 31m
Deal found 8/13![Frontier logo]()
$123
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:07 pm -
Nonstop1h 33m
Tue 9/810:23 pm -
Nonstop1h 30m
Deal found 8/16![Frontier logo]()
$132
This CheapOair deal was found by Cheapflights users on 8/12. 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 8/277:07 pm -
Nonstop1h 33m
Mon 8/318:23 pm -
Nonstop1h 31m
Deal found 8/12![Frontier logo]()
$142
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 August 17, 2026.
Search for one-way flight options from Irvine to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Mon 11/29:56 pm -
1 stop12h 33m
Deal found 8/15![Frontier logo]()
$58
This Southwest deal was found by Cheapflights users on 8/17. 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.
Thu 9/108:10 pm -
Nonstop1h 20m
Deal found 8/17![Southwest logo]()
$59
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:13 pm -
Nonstop1h 33m
Deal found 8/17![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 8/15. 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 9/108:50 am -
1 stop6h 56m
Deal found 8/15![Frontier logo]()
$61
This Kissandfly.com deal was found by Cheapflights users on 8/13. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:07 pm -
Nonstop1h 33m
Deal found 8/13![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:04 pm -
1 stop16h 25m
Deal found 8/14![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 8/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:20 am -
1 stop20h 53m
Deal found 8/14![Frontier logo]()
$64
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:35 am -
1 stop8h 45m
Deal found 8/14![Southwest logo]()
$65
This Jettzy deal was found by Cheapflights users on 8/13. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:44 pm -
Nonstop1h 43m
Deal found 8/13![Frontier logo]()
$66
This Orbitz deal was found by Cheapflights users on 8/13. 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.
Wed 8/267:07 pm -
Nonstop1h 33m
Deal found 8/13![Frontier logo]()
$67
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 am -
1 stop20h 44m
Deal found 8/15![Frontier logo]()
$68
This Southwest deal was found by Cheapflights users on 8/17. 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.
Thu 9/245:40 am -
1 stop4h 10m
Deal found 8/17![Southwest logo]()
$69
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $83 (Flightnetwork) |
One-way from | $58 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $211 |
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 August 17, 2026.
Use the filters below to find and compare flights from Irvine to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 9/1
1:30 pm-2:52 pm
Nonstop1h 22m
San Francisco
Sun 9/6
8:57 pm-10:29 pm
Nonstop1h 32m
$128
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 9/10
7:50 am-2:40 pm
2 stops6h 50m
San Francisco
Tue 9/15
2:35 pm-9:25 pm
1 stop6h 50m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 9/10
11:20 am-6:30 pm
2 stops7h 10m
San Francisco
Thu 9/17
7:00 am-12:50 pm
1 stop5h 50m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Tue 9/15
12:10 pm-4:00 pm
1 stop3h 50m
San Francisco
Wed 9/16
2:00 pm-9:25 pm
2 stops7h 25m
$142
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 10/8
5:45 am-10:05 am
1 stop4h 20m
San Francisco
Mon 10/12
8:00 pm-8:10 am
2 stops12h 10m
$148
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Wed 10/21
9:25 am-5:10 pm
2 stops7h 45m
San Francisco
Mon 10/26
8:00 pm-8:10 am
2 stops12h 10m
$183
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Fri 11/6
6:35 pm-11:40 pm
1 stop5h 05m
San Francisco
Sun 11/8
6:00 pm-7:35 pm
Nonstop1h 35m
$212
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 10/15
2:20 pm-9:05 pm
2 stops6h 45m
San Francisco
Thu 10/22
5:05 am-12:35 pm
2 stops7h 30m
$217
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Sat 10/24
5:25 am-9:50 am
1 stop4h 25m
San Francisco
Sun 10/25
5:00 am-12:40 pm
2 stops7h 40m
$225
Los AngelesSan Francisco
LAX Los Angeles - SFO San Francisco
LAXSFO
Los Angeles
Thu 10/22
5:30 am-9:50 am
1 stop4h 20m
San Francisco
Sun 11/8
4:15 pm-12:05 am
2 stops7h 50m
$225
Showing 1-10 of 22 resultsSorted by cheapest first
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
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 August 17, 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 in the evening could potentially save you up to 15% on airfare.
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 August 17, 2026.
The most flights from IR9 to SFO are scheduled on a Saturday (157 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (60 on average).
How much does it cost to fly round-trip from Irvine to San Francisco?
Airfare is below average for this route at the moment.
Irvine to San Francisco flights typically cost between $146 and $272 in September.The cheapest round-trip price found within the last 5 days was $83 on Frontier (Sep 17-Sep 21).
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 August 15, 2026.
Travelers seeking maximum savings on their Irvine to San Francisco flight should consider departing on Friday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
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Santa Cruz
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Manteca
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Top 8 airlines flying from Irvine to San Francisco
Discover the top 8 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$43 | Average$132 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$218 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$219 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$93 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$96 | Average$283 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$106 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$315 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$127 | Average$393 | FlexibilityNo cancel fee | On-time71% |