$49+ Cheap flights from San Francisco (SFO) to Costa Mesa, CA
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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Apr 15 — Apr 221
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 July or August, booked 75 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from San Francisco to Costa Mesa
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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 March 16, 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 March 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sun 7/128:20 pm
SFO
- LAX
Nonstop1h 34m
Frontier
Wed 7/155:38 pm
LAX
- SFO
Nonstop1h 32m
Frontier
Deal found 3/11![Frontier logo]()
$89
This Priceline deal was found by Cheapflights users on 3/14. 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.
Sat 4/118:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Sat 4/188:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/14![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 3/11. 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 4/255:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Sat 5/22:45 pm
LAX
- SFO
1 stop6h 35m
Southwest
Deal found 3/11![Southwest logo]()
$91
This CheapOair deal was found by Cheapflights users on 3/16. 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.
Fri 5/16:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Sat 5/28:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/16![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 3/16. 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.
Mon 4/138:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Wed 4/158:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/16![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/182:42 pm
SFO
- LAX
Nonstop1h 30m
Multiple Airlines
Wed 4/228:01 pm
LAX
- SFO
Nonstop1h 38m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Tue 4/215:11 pm
LAX
- SFO
1 stop20h 41m
Frontier
Deal found 3/16![Frontier logo]()
$95
This Southwest deal was found by Cheapflights users on 3/12. 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 4/255:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Tue 4/282:20 pm
LAX
- SFO
2 stops8h 25m
Southwest
Deal found 3/12![Southwest logo]()
$96
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:25 pm
SFO
- LAX
Nonstop1h 44m
United Airlines
Tue 4/217:55 pm
LAX
- SFO
Nonstop1h 30m
United Airlines
Deal found 3/12![United Airlines logo]()
$97
This Booking.com deal was found by Cheapflights users on 3/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Mon 5/48:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/13![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sun 7/128:20 pm
SFO
- LAX
Nonstop1h 34m
Frontier
Fri 7/175:38 pm
LAX
- SFO
Nonstop1h 32m
Frontier
Deal found 3/11![Frontier 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 March 16, 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 March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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 4/255:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Sat 5/25:35 am
LAX
- SFO
1 stop6h 15m
Southwest
Deal found 3/11![Southwest logo]()
$91
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:20 am
SFO
- LAX
Nonstop1h 43m
Alaska Airlines
Wed 4/221:44 pm
LAX
- SFO
Nonstop1h 28m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 3/15. 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 4/1811:45 am
SFO
- LAX
Nonstop1h 30m
Southwest
Tue 4/2110:55 am
LAX
- SFO
1 stop5h 45m
Southwest
Deal found 3/15![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 3/13. 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 5/137:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Wed 5/133:35 pm
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 3/13![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 4/185:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Wed 4/222:20 pm
LAX
- SFO
2 stops8h 25m
Southwest
Deal found 3/14![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 3/14. 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 4/215:40 am
SFO
- LAX
1 stop4h 35m
Southwest
Tue 4/2810:45 am
LAX
- SFO
2 stops7h 45m
Southwest
Deal found 3/14![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 3/12. 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 4/87:20 am
SFO
- LAX
Nonstop1h 35m
Southwest
Sun 4/126:35 am
LAX
- SFO
Nonstop1h 25m
Southwest
Deal found 3/12![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 3/12. 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.
Mon 4/274:05 pm
SFO
- LAX
2 stops7h 15m
Southwest
Mon 5/47:50 pm
LAX
- SFO
1 stop4h 20m
Southwest
Deal found 3/12![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 4/115:00 am
SFO
- LAX
1 stop3h 45m
Southwest
Wed 4/153:35 pm
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 3/14![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 4/115:00 am
SFO
- LAX
1 stop3h 45m
Southwest
Sat 4/185:20 am
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 3/14![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:00 am
SFO
- LAX
2 stops7h 40m
Southwest
Wed 4/16:45 am
LAX
- SFO
1 stop6h 00m
Southwest
Deal found 3/11![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 3/15. 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.
Sun 4/266:10 am
SFO
- LAX
1 stop5h 15m
Southwest
Tue 4/283:35 pm
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 3/15![Southwest logo]()
$212
Last-minute flights from San Francisco to Costa MesaDiscover last-minute flight deals from San Francisco to Costa Mesa. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Costa Mesa. Data last updated March 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 3/248:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Tue 3/318:01 pm
LAX
- SFO
Nonstop1h 37m
Frontier
Deal found 3/11![Frontier logo]()
$100
This Priceline deal was found by Cheapflights users on 3/14. 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.
Sat 4/118:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Sat 4/188:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/14![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Tue 4/215:11 pm
LAX
- SFO
1 stop20h 41m
Frontier
Deal found 3/16![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 3/16. 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.
Mon 4/138:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Wed 4/158:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/16![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/146:29 pm
SFO
- LAX
Nonstop1h 40m
Multiple Airlines
Sat 4/186:00 am
LAX
- SFO
Nonstop1h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$89
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:25 pm
SFO
- LAX
Nonstop1h 44m
United Airlines
Tue 4/217:55 pm
LAX
- SFO
Nonstop1h 30m
United Airlines
Deal found 3/12![United Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/182:42 pm
SFO
- LAX
Nonstop1h 30m
Multiple Airlines
Wed 4/228:01 pm
LAX
- SFO
Nonstop1h 38m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$94
This Frontier deal was found by Cheapflights users on 3/16. 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.
Tue 4/216:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Thu 4/238:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/16![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 3/11. 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 4/255:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Sat 5/22:45 pm
LAX
- SFO
1 stop6h 35m
Southwest
Deal found 3/11![Southwest logo]()
$91
This Southwest deal was found by Cheapflights users on 3/12. 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 4/255:50 pm
SFO
- LAX
Nonstop1h 35m
Southwest
Tue 4/282:20 pm
LAX
- SFO
2 stops8h 25m
Southwest
Deal found 3/12![Southwest logo]()
$96
This Booking.com deal was found by Cheapflights users on 3/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Mon 5/48:01 pm
LAX
- SFO
Nonstop1h 38m
Frontier
Deal found 3/13![Frontier logo]()
$98
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 March 16, 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 March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/76:05 pm
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 3/12![Southwest logo]()
$49
This Frontier deal was found by Cheapflights users on 3/12. 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.
Tue 4/78:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Deal found 3/12![Frontier logo]()
$50
This Southwest deal was found by Cheapflights users on 3/11. 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 4/251:50 pm
SFO
- LAX
1 stop6h 40m
Southwest
Deal found 3/11![Southwest logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 5/208:48 pm
SFO
- LAX
Nonstop1h 38m
Frontier
Deal found 3/15![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Thu 4/306:29 pm
SFO
- LAX
Nonstop1h 40m
Frontier
Deal found 3/14![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 3/13. 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 4/68:14 pm
SFO
- LAX
Nonstop1h 42m
Frontier
Deal found 3/13![Frontier logo]()
$54
This Trip.com deal was found by Cheapflights users on 3/12. 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.
Tue 3/318:09 pm
SFO
- LAX
Nonstop1h 30m
Frontier
Deal found 3/12![Frontier logo]()
$57
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:29 pm
SFO
- LAX
Nonstop1h 39m
Delta
Deal found 3/12![Delta logo]()
$60
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $89 (Kiwi.com) |
One-way from | $49 (Southwest) |
Popular in | February |
Cheapest in | July |
Average price | $197 |
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 2,558,603 searches. Data last updated March 16, 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
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 4/25
5:50 pm-7:25 pm
Nonstop1h 35m
Los Angeles Los Angeles
Sat 5/2
5:35 am-11:50 am
1 stop6h 15m
$91
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 4/18
11:45 am-1:15 pm
Nonstop1h 30m
Los Angeles Los Angeles
Tue 4/21
10:55 am-4:40 pm
1 stop5h 45m
$127
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Wed 5/13
7:20 am-8:55 am
Nonstop1h 35m
Los Angeles Los Angeles
Wed 5/13
3:35 pm-10:05 pm
2 stops6h 30m
$132
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 4/18
5:50 pm-7:25 pm
Nonstop1h 35m
Los Angeles Los Angeles
Wed 4/22
2:20 pm-10:45 pm
2 stops8h 25m
$132
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Tue 4/21
5:40 am-10:15 am
1 stop4h 35m
Los Angeles Los Angeles
Tue 4/28
10:45 am-6:30 pm
2 stops7h 45m
$142
Quickest round-trip
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Wed 4/8
7:20 am-8:55 am
Nonstop1h 35m
Los Angeles Los Angeles
Sun 4/12
6:35 am-8:00 am
Nonstop1h 25m
$157
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Mon 4/20
9:20 am-11:03 am
Nonstop1h 43m
Los Angeles Los Angeles
Wed 4/22
1:44 pm-3:12 pm
Nonstop1h 28m
$167
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Mon 4/27
4:05 pm-11:20 pm
2 stops7h 15m
Los Angeles Los Angeles
Mon 5/4
7:50 pm-12:10 am
1 stop4h 20m
$182
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 4/11
5:00 am-8:45 am
1 stop3h 45m
Los Angeles Los Angeles
Wed 4/15
3:35 pm-10:05 pm
2 stops6h 30m
$182
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 4/11
5:00 am-8:45 am
1 stop3h 45m
Los Angeles Los Angeles
Sat 4/18
5:20 am-11:50 am
2 stops6h 30m
$182
Showing 1-10 of 23 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
How far ahead should I book a flight from San Francisco to Costa Mesa?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Costa Mesa. Price data was last updated on March 13, 2026.
The price you pay for your flight from San Francisco to Costa Mesa may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Costa Mesa?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Costa Mesa (average of $33). Flying from San Francisco to Costa Mesa in March is currently the most expensive (average of $57). 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 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 March 16, 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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 14% on airfare.
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 March 12, 2026.
Travelers seeking maximum savings on their San Francisco to Costa Mesa flight should consider departing on Monday evenings 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.
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 March 16, 2026.
The most flights from SFO to CM3 are scheduled on a Monday (170 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (92 on average).
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 March 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines 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.
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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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Alternative routes for San Francisco to Costa Mesa
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Complete your trip
Complete your trip to Costa Mesa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Costa Mesa by cabin class
Find flights from San Francisco to Costa Mesa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Costa Mesa flights
Browse other San Francisco and Costa Mesa flight options. Last updated on March 16, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 16, 2026.
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San Francisco to Costa Mesa flights
Consider these flights traveling from San Francisco to Costa Mesa.
Top 9 airlines flying from San Francisco to Costa Mesa
Discover the top 9 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 2,558,603 searches. Data last updated March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$124 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$35 | Average$91 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$38 | Average$187 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$53 | Average$199 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$59 | Average$226 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$78 | Average$239 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$100 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$275 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$113 | Average$313 | FlexibilityNo cancel fee | On-time71% |