$55+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Aug 29 — Sep 51
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 August, booked 90 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 July 30, 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 July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/2011:00 am
SFO
- LAX
1 stop11h 39m
Frontier
Mon 8/247:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/27![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 7/26. 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 8/278:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Sat 8/297:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/26![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/1012:07 pm
SFO
- LAX
Nonstop1h 36m
Frontier
Mon 9/1410:04 pm
LAX
- SFO
1 stop10h 10m
Frontier
Deal found 7/26![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 7/26. 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 8/158:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Tue 8/187:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/26![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 7/29. 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 8/218:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Mon 8/247:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/29![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 7/29. 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 10/99:18 am
SFO
- LAX
Nonstop1h 34m
Frontier
Sat 10/177:43 pm
LAX
- SFO
Nonstop1h 35m
Frontier
Deal found 7/29![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/1010:24 pm
SFO
- LAX
1 stop16h 37m
Frontier
Thu 9/177:44 pm
LAX
- SFO
Nonstop1h 43m
Frontier
Deal found 7/27![Frontier logo]()
$96
This Priceline deal was found by Cheapflights users on 7/29. 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.
Wed 8/198:23 pm
SFO
- LAX
Nonstop1h 31m
Multiple Airlines
Thu 8/2010:01 am
LAX
- SFO
Nonstop1h 23m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/188:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Wed 8/196:55 am
LAX
- SFO
1 stop13h 01m
Frontier
Deal found 7/29![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/278:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Tue 9/16:55 am
LAX
- SFO
1 stop13h 01m
Frontier
Deal found 7/29![Frontier logo]()
$99
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 July 30, 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 July 30, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/2011:54 am
SFO
- LAX
Nonstop1h 32m
Delta
Mon 8/246:15 pm
LAX
- SFO
Nonstop1h 15m
Delta
Deal found 7/27![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 7/26. 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 8/226:00 am
SFO
- LAX
Nonstop1h 30m
Southwest
Mon 8/248:10 pm
LAX
- SFO
Nonstop1h 20m
Southwest
Deal found 7/26![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/26. 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 8/226:00 am
SFO
- LAX
Nonstop1h 30m
Southwest
Sat 8/2210:10 am
LAX
- SFO
1 stop7h 20m
Southwest
Deal found 7/26![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 7/29. 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 8/205:10 am
SFO
- LAX
2 stops7h 40m
Southwest
Mon 8/246:30 am
LAX
- SFO
Nonstop1h 20m
Southwest
Deal found 7/29![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 7/27. 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
SFO
- LAX
Nonstop1h 25m
Southwest
Mon 10/126:05 pm
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 7/27![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 7/28. 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
SFO
- LAX
Nonstop1h 35m
Southwest
Mon 10/126:05 pm
LAX
- SFO
2 stops6h 30m
Southwest
Deal found 7/28![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 7/26. 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 9/217:00 am
SFO
- LAX
1 stop5h 50m
Southwest
Mon 9/215:40 pm
LAX
- SFO
1 stop5h 50m
Southwest
Deal found 7/26![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 7/25. 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 9/85:40 am
SFO
- LAX
1 stop7h 25m
Southwest
Tue 9/158:25 am
LAX
- SFO
2 stops7h 35m
Southwest
Deal found 7/25![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 7/29. 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 8/277:00 am
SFO
- LAX
1 stop5h 50m
Southwest
Mon 8/317:50 am
LAX
- SFO
2 stops6h 50m
Southwest
Deal found 7/29![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 7/25. 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 9/110:40 am
SFO
- LAX
2 stops8h 10m
Southwest
Thu 9/311:20 am
LAX
- SFO
1 stop6h 35m
Southwest
Deal found 7/25![Southwest logo]()
$142
Last-minute flights from San Francisco to Costa MesaDiscover last-minute flight deals from San Francisco to Costa Mesa. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Costa Mesa. Data last updated July 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/26. 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 8/158:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Tue 8/187:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/26![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/1711:20 am
SFO
- LAX
1 stop8h 54m
Frontier
Thu 8/277:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/27![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/188:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Wed 8/196:55 am
LAX
- SFO
1 stop13h 01m
Frontier
Deal found 7/29![Frontier logo]()
$98
This Priceline deal was found by Cheapflights users on 7/29. 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.
Wed 8/198:23 pm
SFO
- LAX
Nonstop1h 31m
Multiple Airlines
Thu 8/2010:01 am
LAX
- SFO
Nonstop1h 23m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/2011:00 am
SFO
- LAX
1 stop11h 39m
Frontier
Mon 8/247:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/27![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 7/29. 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 8/218:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Mon 8/247:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/29![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/248:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Mon 8/3110:22 pm
LAX
- SFO
1 stop12h 03m
Frontier
Deal found 7/26![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 7/26. 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 8/278:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Sat 8/297:07 pm
LAX
- SFO
Nonstop1h 33m
Frontier
Deal found 7/26![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/278:23 am
SFO
- LAX
Nonstop1h 34m
Multiple Airlines
Thu 8/277:07 pm
LAX
- SFO
Nonstop1h 33m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/278:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Tue 9/16:55 am
LAX
- SFO
1 stop13h 01m
Frontier
Deal found 7/29![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 7/29. 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 8/278:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Thu 9/36:55 am
LAX
- SFO
1 stop9h 41m
Frontier
Deal found 7/29![Frontier logo]()
$100
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 July 30, 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 July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/203:51 pm
SFO
- LAX
Nonstop1h 31m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$55
This Trip.com deal was found by Cheapflights users on 7/26. 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.
Mon 9/710:06 am
SFO
- LAX
Nonstop1h 32m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/258:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Deal found 7/25![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/278:42 pm
SFO
- LAX
Nonstop1h 28m
Frontier
Deal found 7/25![Frontier logo]()
$58
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/244:25 pm
SFO
- LAX
Nonstop1h 39m
United Airlines
Deal found 7/29![United Airlines logo]()
$59
This Frontier deal was found by Cheapflights users on 7/26. 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 8/158:23 pm
SFO
- LAX
Nonstop1h 31m
Frontier
Deal found 7/26![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/233:38 pm
SFO
- LAX
1 stop17h 51m
Frontier
Deal found 7/29![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/313:38 pm
SFO
- LAX
1 stop7h 01m
Frontier
Deal found 7/28![Frontier logo]()
$63
This Southwest deal was found by Cheapflights users on 7/29. 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 9/116:00 am
SFO
- LAX
Nonstop1h 30m
Southwest
Deal found 7/29![Southwest logo]()
$64
This Booking.com deal was found by Cheapflights users on 7/29. 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 8/48:23 pm
SFO
- LAX
Nonstop1h 36m
Frontier
Deal found 7/29![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/2011:00 am
SFO
- LAX
1 stop11h 39m
Frontier
Deal found 7/27![Frontier logo]()
$66
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $88 (Kiwi.com) |
One-way from | $55 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $222 |
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 July 30, 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 - LAX
SFOLAX
San Francisco
Thu 8/20
11:54 am-1:26 pm
Nonstop1h 32m
Los Angeles
Mon 8/24
6:15 pm-7:30 pm
Nonstop1h 15m
$117
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 8/22
6:00 am-7:30 am
Nonstop1h 30m
Los Angeles
Mon 8/24
8:10 pm-9:30 pm
Nonstop1h 20m
$117
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 8/22
6:00 am-7:30 am
Nonstop1h 30m
Los Angeles
Sat 8/22
10:10 am-5:30 pm
1 stop7h 20m
$127
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Thu 8/20
5:10 am-12:50 pm
2 stops7h 40m
Los Angeles
Mon 8/24
6:30 am-7:50 am
Nonstop1h 20m
$132
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Sat 10/10
6:05 am-7:30 am
Nonstop1h 25m
Los Angeles
Mon 10/12
6:05 pm-12:35 am
2 stops6h 30m
$132
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Thu 10/8
3:15 pm-4:50 pm
Nonstop1h 35m
Los Angeles
Mon 10/12
6:05 pm-12:35 am
2 stops6h 30m
$132
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Mon 9/21
7:00 am-12:50 pm
1 stop5h 50m
Los Angeles
Mon 9/21
5:40 pm-11:30 pm
1 stop5h 50m
$137
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Tue 9/8
5:40 am-1:05 pm
1 stop7h 25m
Los Angeles
Tue 9/15
8:25 am-4:00 pm
2 stops7h 35m
$142
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Thu 8/27
7:00 am-12:50 pm
1 stop5h 50m
Los Angeles
Mon 8/31
7:50 am-2:40 pm
2 stops6h 50m
$142
San FranciscoLos Angeles
SFO - LAX
SFOLAX
San Francisco
Tue 9/1
10:40 am-6:50 pm
2 stops8h 10m
Los Angeles
Thu 9/3
11:20 am-5:55 pm
1 stop6h 35m
$142
Showing 1-10 of 20 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 July 30, 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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 20% 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 July 30, 2026.
The most flights from SFO to CM3 are scheduled on a Tuesday (171 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (96 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 $119 and $236 in August.The cheapest round-trip price found within the last 5 days was $88 on Frontier (Aug 20-Aug 24).
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 July 25, 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.
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 July 30, 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.
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
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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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 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$139 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$53 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$75 | Average$262 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$249 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$105 | Average$280 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$107 | Average$288 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$117 | Average$265 | FlexibilityNo cancel fee | On-time62% |