$57+ Cheap flights from San Francisco (SFO) to Costa Mesa, CA
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Costa Mesa 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 San Francisco to Costa Mesa are usually found in September or October, booked 42 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from San Francisco to Costa Mesa
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Costa MesaExplore the most affordable flight options available from San Francisco to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from San Francisco to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/243:11 pm -
1 stop16h 23m
Mon 10/267:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/112:07 pm -
Nonstop1h 36m
Mon 10/510:04 pm -
1 stop16h 25m
Deal found 9/9![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/112:07 pm -
Nonstop1h 36m
Sat 10/32:27 pm -
Nonstop1h 25m
Deal found 9/8![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/19:00 am -
Nonstop1h 37m
Thu 10/110:04 pm -
1 stop10h 10m
Deal found 9/8![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 9/9. 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 10/317:25 pm -
Nonstop1h 28m
Mon 11/29:57 pm -
1 stop10h 22m
Deal found 9/9![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/146:00 am -
1 stop8h 40m
Wed 10/147:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$95
This Expedia deal was found by Cheapflights users on 9/8. 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 10/88:58 am -
Nonstop1h 37m
Mon 10/129:57 pm -
1 stop20h 28m
Deal found 9/8![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/1510:19 pm -
1 stop9h 15m
Mon 10/197:03 pm -
Nonstop1h 35m
Deal found 9/5![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 9/6. 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 10/212:07 pm -
Nonstop1h 36m
Mon 10/57:44 pm -
Nonstop1h 43m
Deal found 9/6![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/309:00 am -
Nonstop1h 37m
Sat 10/107:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$99
This Priceline deal was found by Cheapflights users on 9/9. 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 10/88:47 am -
Nonstop1h 37m
Sat 10/107:03 pm -
Nonstop1h 35m
Deal found 9/9![Multiple Airlines logo]()
$100
Best flights from San Francisco to Costa MesaDiscover carefully curated flight deals from San Francisco to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from San Francisco to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/6. 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 10/106:05 am -
Nonstop1h 25m
Sat 10/103:45 pm -
1 stop5h 50m
Deal found 9/6![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 9/6. 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 10/156:10 am -
Nonstop1h 25m
Tue 10/205:55 am -
2 stops9h 15m
Deal found 9/6![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/7. 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 10/299:55 am -
Nonstop1h 25m
Mon 11/25:00 am -
2 stops6h 25m
Deal found 9/7![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/9. 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 10/205:20 am -
2 stops7h 40m
Thu 10/225:25 pm -
Nonstop1h 20m
Deal found 9/9![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 9/5. 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 10/155:05 am -
1 stop6h 20m
Mon 10/196:05 pm -
1 stop6h 40m
Deal found 9/5![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 9/8. 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 11/35:05 am -
1 stop4h 20m
Wed 11/185:45 am -
2 stops7h 05m
Deal found 9/8![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/5. 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 10/315:10 am -
2 stops9h 10m
Mon 11/25:00 am -
2 stops6h 25m
Deal found 9/5![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 9/7. 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 10/228:00 pm -
2 stops11h 10m
Thu 10/294:30 pm -
1 stop6h 50m
Deal found 9/7![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 9/9. 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 10/155:05 am -
1 stop6h 20m
Fri 10/165:45 am -
1 stop4h 20m
Deal found 9/9![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 9/6. 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 11/65:15 am -
1 stop6h 35m
Mon 11/91:15 pm -
2 stops7h 00m
Deal found 9/6![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 9/7. 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 10/83:15 pm -
Nonstop1h 35m
Sun 10/1112:25 pm -
Nonstop1h 20m
Deal found 9/7![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 9/6. 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 11/177:00 am -
2 stops9h 30m
Fri 11/277:00 am -
Nonstop1h 30m
Deal found 9/6![Southwest logo]()
$182
Last-minute flights from San Francisco to Costa MesaDiscover last-minute flight deals from San Francisco to Costa Mesa. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Costa Mesa. Data last updated September 10, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/309:00 am -
Nonstop1h 37m
Sat 10/107:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/112:07 pm -
Nonstop1h 36m
Mon 10/510:04 pm -
1 stop16h 25m
Deal found 9/9![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/112:07 pm -
Nonstop1h 36m
Sat 10/32:27 pm -
Nonstop1h 25m
Deal found 9/8![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/19:00 am -
Nonstop1h 37m
Thu 10/110:04 pm -
1 stop10h 10m
Deal found 9/8![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/6. 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 10/212:07 pm -
Nonstop1h 36m
Mon 10/57:44 pm -
Nonstop1h 43m
Deal found 9/6![Frontier logo]()
$98
This Expedia deal was found by Cheapflights users on 9/8. 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 10/88:58 am -
Nonstop1h 37m
Mon 10/129:57 pm -
1 stop20h 28m
Deal found 9/8![Frontier logo]()
$96
This Priceline deal was found by Cheapflights users on 9/9. 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 10/88:47 am -
Nonstop1h 37m
Sat 10/107:03 pm -
Nonstop1h 35m
Deal found 9/9![Multiple Airlines logo]()
$100
This Super.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/146:00 am -
1 stop8h 40m
Wed 10/147:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/1510:19 pm -
1 stop9h 15m
Mon 10/197:03 pm -
Nonstop1h 35m
Deal found 9/5![Frontier logo]()
$97
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/243:11 pm -
1 stop16h 23m
Mon 10/267:03 pm -
Nonstop1h 35m
Deal found 9/9![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 9/9. 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 10/317:25 pm -
Nonstop1h 28m
Mon 11/29:57 pm -
1 stop10h 22m
Deal found 9/9![Frontier logo]()
$93
One-way flights from San Francisco to Costa MesaSearch for one-way flight options from San Francisco to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from San Francisco to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Trip.com deal was found by Cheapflights users on 9/8. 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 10/104:51 pm -
Nonstop1h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$57
This Super.com deal was found by Cheapflights users on 9/6. 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 9/289:00 am -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$58
This Southwest deal was found by Cheapflights users on 9/6. 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 9/293:45 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$59
This Priceline deal was found by Cheapflights users on 9/6. 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.
Fri 11/139:14 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/510:24 pm -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/77:11 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 9/5. 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 10/188:58 am -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 9/9. 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 11/89:14 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 9/9. 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 10/2412:00 pm -
1 stop12h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$65
This CheapOair deal was found by Cheapflights users on 9/9. 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 11/510:23 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/303:15 pm -
1 stop16h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$67
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sat 10/107:11 pm -
1 stop12h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$68
Find flight deals from San Francisco to Costa Mesa
Keep the following information in mind while searching for San Francisco to Costa Mesa flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $89 (Booking.com) |
One-way from | $57 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $189 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Costa Mesa 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from San Francisco to Costa Mesa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Wed 10/28
6:45 am-8:10 am
Nonstop1h 25m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Tue 11/10
2:02 pm-3:32 pm
Nonstop1h 30m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Mon 9/28
7:55 pm-9:30 pm
Nonstop1h 35m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Sat 10/10
6:25 pm-7:55 pm
Nonstop1h 30m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Thu 10/1
5:05 am-11:25 am
1 stop6h 20m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Thu 10/15
5:05 am-11:25 am
1 stop6h 20m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Tue 10/20
5:20 am-1:00 pm
2 stops7h 40m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Tue 11/3
5:05 am-1:05 pm
2 stops8h 00m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Tue 11/17
5:05 am-1:05 pm
2 stops8h 00m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
San FranciscoLos Angeles
SFO San Francisco - LAX Los Angeles
SFOLAX
San Francisco
Thu 10/22
10:45 pm-6:35 am
1 stop7h 50m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Costa Mesa
Have a flexible travel schedule? Discover the best time to fly to Costa Mesa from San Francisco with our price prediction graph.
SFO-LAX
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 San Francisco to Costa Mesa
SFO-CM3
SFO-LAX
What is the cheapest time of day to fly from SFO to CM3?
Find hourly flight availability from San Francisco to Costa Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
One of the essential ways to save on airfare from San Francisco to Costa Mesa 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 9% on airfare.
Weekly flight availability from San Francisco to Costa Mesa
Explore weekly flight availability from San Francisco to Costa Mesa. 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 September 10, 2026.
The most flights from SFO to CM3 are scheduled on a Tuesday (173 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).
How much does it cost to fly round-trip from San Francisco to Costa Mesa?
Airfare is below average for this route at the moment.
San Francisco to Costa Mesa flights typically cost between $126 and $257 in October.The cheapest round-trip price found within the last 5 days was $89 on Frontier (Oct 24-Oct 26).
What is the cheapest day to fly from San Francisco to Costa Mesa?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Costa Mesa. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their San Francisco to Costa Mesa flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Costa Mesa
Get insights into the airlines that provide service to Costa Mesa. 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 Costa Mesa. Reviews last updated September 10, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from San Francisco to Costa Mesa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Costa Mesa. 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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San Francisco and Costa Mesa flights
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Top 8 airlines flying from San Francisco to Costa Mesa
Discover the top 8 airlines that operate flights from San Francisco to Costa Mesa. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$73 | Average$198 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$242 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$111 | Average$291 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$117 | Average$308 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$120 | Average$267 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$127 | Average$396 | FlexibilityNo cancel fee | On-time71% |