$48+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
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.Cheap 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 January 15, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $79 (Frontier) |
One-way from | $48 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $139 |
Find flight deals from Irvine to San Francisco
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 January 15, 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 January 15, 2026.
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
This Super.com deal was found by Cheapflights users on 1/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flightnetwork deal was found by Cheapflights users on 1/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/15. 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.
This Super.com deal was found by Cheapflights users on 1/14. 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.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
This Super.com deal was found by Cheapflights users on 1/13. 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.
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Cheapflights Fare Finder
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
Price
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/3
1:25 pm-2:59 pm
Nonstop1h 34m
San Francisco
Wed 3/4
10:35 am-12:11 pm
Nonstop1h 36m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/18
6:50 pm-8:15 pm
Nonstop1h 25m
San Francisco
Wed 2/25
2:35 pm-9:25 pm
1 stop6h 50m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 2/3
7:55 pm-9:25 pm
Nonstop1h 30m
San Francisco
Wed 2/11
4:03 pm-5:37 pm
Nonstop1h 34m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/11
5:45 am-11:50 am
1 stop6h 05m
San Francisco
Wed 2/11
5:35 pm-7:00 pm
Nonstop1h 25m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/18
1:37 pm-3:03 pm
Nonstop1h 26m
San Francisco
Wed 2/25
1:15 pm-2:47 pm
Nonstop1h 32m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/3
1:37 pm-3:03 pm
Nonstop1h 26m
San Francisco
Wed 3/4
11:02 am-12:35 pm
Nonstop1h 33m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/4
12:44 pm-2:18 pm
Nonstop1h 34m
San Francisco
Tue 2/10
1:25 pm-2:58 pm
Nonstop1h 33m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sun 2/8
7:50 am-9:20 am
Nonstop1h 30m
San Francisco
Wed 2/11
2:10 pm-3:35 pm
Nonstop1h 25m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Wed 2/4
9:20 pm-10:54 pm
Nonstop1h 34m
San Francisco
Sat 2/7
8:25 am-9:57 am
Nonstop1h 32m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 3/7
10:35 pm-12:15 am
Nonstop1h 40m
San Francisco
Tue 3/10
7:15 am-8:51 am
Nonstop1h 36m
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.
Cheapflights Insights
Everything you need to know about your flight from Irvine to San Francisco
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 January 9, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to San Francisco, you should look to book at least 85 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, January is the cheapest month in which you can book a flight from Irvine to San Francisco (average of $19). 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 January 15, 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 evening tend to be the most expensive. A flight at noon could potentially save you up to 15% 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 January 10, 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. Tuesday evenings 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 January 15, 2026.
The most flights from IR9 to SFO are scheduled on a Thursday (135 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (67 on average).
How much does it cost to fly round-trip from Irvine to San Francisco?
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 January 15, 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.
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,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.
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Alternative routes for Irvine to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
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 January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$19 | Average$96 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$83 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$38 | Average$167 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$58 | Average$206 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$67 | Average$201 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$78 | Average$198 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$255 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$357 | FlexibilityNo cancel fee | On-time71% |