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Costa Mesa

$54+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Costa Mesa are usually found in September or January, booked 85 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 31, 2025.

Round-trip from

$84
(Frontier)

One-way from

$54
(Delta)

Popular in

April

Cheapest in

September

Average price

$171
From San Francisco to Costa Mesa
Search Deals
One-way flight from San Francisco to Costa Mesa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from San Francisco to Costa Mesa

Cheapest flights from San Francisco to Costa Mesa
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 31, 2025.

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.
Fri 9/512:18 pmSFO - LAX
Nonstop1h 33mFrontier
Mon 9/89:37 amLAX - SFO
Nonstop1h 36mFrontier
Deal found 7/29$84
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 9/185:50 amSFO - LAX
Nonstop1h 38mMultiple Airlines
Sun 9/219:07 amLAX - SFO
Nonstop1h 36mMultiple Airlines
Deal found 7/29$88
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 11/116:00 amSFO - LAX
Nonstop1h 36mHawaiian Airlines
Sat 11/156:00 amLAX - SFO
Nonstop1h 34mHawaiian Airlines
Deal found 7/31$95
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:53 pmSFO - LAX
Nonstop1h 38mAlaska Airlines
Wed 9/178:50 amLAX - SFO
Nonstop1h 28mAlaska Airlines
Deal found 7/29$98
This Southwest deal was found by Cheapflights users on 7/30. 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 8/302:25 pmSFO - LAX
Nonstop1h 25mSouthwest
Sat 8/305:10 pmLAX - SFO
Nonstop1h 20mSouthwest
Deal found 7/30$107
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 8/256:58 pmSFO - LAX
Nonstop1h 32mDelta
Sun 8/316:30 amLAX - SFO
Nonstop1h 21mDelta
Deal found 7/31$117

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 31, 2025.
Use the filters below to find and compare flights from San Francisco to Costa Mesa that are best for you.

Fly from

San Francisco

Fly to

Costa Mesa

Route

Depart

Return

Price

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 9/5

12:18 pm-1:51 pm

Nonstop1h 33m

Los Angeles

Mon 9/8

9:37 am-11:13 am

Nonstop1h 36m

$84

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 9/18

5:50 am-7:28 am

Nonstop1h 38m

Los Angeles

Sun 9/21

9:07 am-10:43 am

Nonstop1h 36m

$88

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 9/26

5:50 am-7:28 am

Nonstop1h 38m

Los Angeles

Thu 10/2

10:34 pm-11:59 pm

Nonstop1h 25m

$95

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 9/15

5:50 am-7:28 am

Nonstop1h 38m

Los Angeles

Wed 9/17

8:50 am-10:18 am

Nonstop1h 28m

$98

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 8/30

2:25 pm-3:50 pm

Nonstop1h 25m

Los Angeles

Sat 8/30

5:10 pm-6:30 pm

Nonstop1h 20m

$107

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 9/4

5:55 am-7:24 am

Nonstop1h 29m

Los Angeles

Sun 9/7

6:30 am-7:51 am

Nonstop1h 21m

$108

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 9/1

5:55 am-7:24 am

Nonstop1h 29m

$54

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 8/12

11:20 am-12:55 pm

Nonstop1h 35m

$57

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 8/20

6:00 am-7:29 am

Nonstop1h 29m

$59

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 9/6

1:00 pm-6:35 pm

1 stop5h 35m

$68

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 13 results
1
2

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.
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

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 July 25, 2025.

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 85 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, January is the cheapest month in which you can book a flight from San Francisco to Costa Mesa (average of $246). Flying from San Francisco to Costa Mesa in March is currently the most expensive (average of $326). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Costa Mesa as you normally would.

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 27, 2025.

Travelers seeking maximum savings on their San Francisco to Costa Mesa flight should consider departing on Thursday at noon 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 July 31, 2025.

The most flights from SFO to CM3 are scheduled on a Monday (177 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (106 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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Hawaiian Airlines
7.8
Good
2,610 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.

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.

  • What airport do you fly from for flights from San Francisco to Costa Mesa?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Costa Mesa from San Francisco. Booking flights from San Francisco (SFO) to Costa Mesa should be relatively easy as there are 147 daily outbound flights to Costa Mesa from 8 different airlines.

  • How popular is this San Francisco to Costa Mesa flight route?

    This flight path from San Francisco to Costa Mesa was viewed by 583 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from San Francisco to Costa Mesa one-way?

    One-way options have recently been found by users for as low as $54 on Delta. Other airlines that offer cheap prices include Frontier from $57 and Hawaiian Airlines from $59 one-way.

  • What are the most reliable airlines from San Francisco to Costa Mesa?

    Consider Finnair (90%), Avianca (88%) or Air China (88%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Costa Mesa.

  • What are the cheapest flights from San Francisco to Costa Mesa?

    Looking at all options, your cheapest flight can be booked for $53. While the most popular route (San Francisco - Los Angeles) can be booked for $43 on average our data indicates $1,247 when flying from San Francisco to Costa Mesa.

  • Can I find deals for flights from San Francisco to Costa Mesa that include hotel bookings?

    Yes. In addition to deals on San Francisco to Costa Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Costa Mesa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Costa Mesa.

  • Can I find deals for business class flights from San Francisco to Costa Mesa?

    Yes. Cheapflights offers flight deals from San Francisco to Costa Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Costa Mesa?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Costa Mesa (average of $246). Flying from San Francisco to Costa Mesa in March is currently the most expensive (average of $326). 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.

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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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$97FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$30Average$83FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$51Average$177FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$58Average$227FlexibilityNo cancel feeOn-time69%
DeltaCheapest$58Average$198FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$59Average$203FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$110Average$275FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$116Average$291FlexibilityNo cancel feeOn-time63%

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