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$617+ Cheap flights to Costa Mesa

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Costa Mesa in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Costa Mesa
Explore the most affordable flight options available to Costa Mesa. Find the lowest fares based on data from user searches, with prices last updated on 3 August 2026.

Wed 26/813:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Mon 31/823:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 3/8$871
Wed 26/813:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Tue 1/923:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 3/8$876
Sun 11/1006:00
SYD
-
LAX
1 stop25h 05m
Fiji Airways
Wed 24/323:35
LAX
-
SYD
1 stop19h 00m
Fiji Airways
Deal found 30/7$885
Tue 3/1114:00
SYD
-
LAX
1 stop17h 00m
Fiji Airways
Wed 18/1122:35
LAX
-
SYD
1 stop19h 00m
Fiji Airways
Deal found 2/8$893
Wed 23/906:15
SYD
-
LAX
1 stop23h 50m
Fiji Airways
Wed 30/923:55
LAX
-
SYD
1 stop29h 30m
Fiji Airways
Deal found 29/7$904
Sun 11/1006:00
SYD
-
LAX
1 stop25h 05m
Fiji Airways
Mon 22/323:35
LAX
-
SYD
1 stop19h 00m
Fiji Airways
Deal found 30/7$921
Mon 23/1111:20
SYD
-
LAX
1 stop19h 20m
Air Canada
Thu 3/1218:10
LAX
-
SYD
1 stop20h 25m
Air Canada
Deal found 31/7$932
Mon 3/809:10
SYD
-
LAX
Nonstop13h 50m
Qantas Airways
Sun 16/822:55
LAX
-
SYD
Nonstop15h 10m
Qantas Airways
Deal found 31/7$934
Mon 7/909:10
SYD
-
LAX
Nonstop13h 55m
Qantas Airways
Sun 20/923:10
LAX
-
SYD
Nonstop14h 55m
Qantas Airways
Deal found 29/7$935
Sun 8/1114:00
SYD
-
LAX
1 stop17h 00m
Fiji Airways
Wed 18/1122:35
LAX
-
SYD
1 stop19h 00m
Fiji Airways
Deal found 30/7$937
Fri 21/813:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Mon 31/823:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 29/7$939

Find flight deals to Costa Mesa

Find the latest flights to Costa Mesa in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 3 August 2026.

Return from

$871

One-way from

$617

Popular in

December

Cheapest in

August

Average price

$1,077
Fiji Airways
  • Fiji Airways
  • 26/8-31/8
  • 2 total stops
  • 35h 45m total
  • Sydney to Los Angeles
Search Deals
19/10
  • 19/10
  • 2 total stops
  • 33h 45m total
  • Sydney to Costa Mesa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Costa Mesa that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 3 August 2026.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 8/12

11:20-06:05

Nonstop13h 45m

Los Angeles Los Angeles

Tue 5/1

16:15-09:20

1 stop22h 05m

$1,006

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 22/1

11:20-06:05

Nonstop13h 45m

Los Angeles Los Angeles

Mon 22/2

11:43-09:20

1 stop26h 37m

$1,077

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 7/9

13:15-13:05

1 stop16h 50m

Los Angeles Los Angeles

Sun 20/9

20:03-11:50

2 stops22h 47m

$1,647

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 27/11

18:45-18:05

1 stop18h 20m

Los Angeles Los Angeles

Sun 31/1

20:25-06:25

Nonstop15h 00m

$1,711

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 5/11

21:30-17:35

2 stops39h 05m

Los Angeles Los Angeles

Sun 8/11

12:45-19:35

2 stops35h 50m

$2,361
Fastest return journey

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sat 19/12

10:40-05:35

Nonstop13h 55m

Los Angeles Los Angeles

Fri 8/1

22:35-08:30

Nonstop14h 55m

$2,469

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 26/1

16:10-10:55

2 stops37h 45m

Los Angeles Los Angeles

Mon 8/2

12:25-07:40

2 stops48h 15m

$3,940

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 10/12

21:30-16:35

2 stops38h 05m

Los Angeles Los Angeles

Sat 13/2

18:30-19:35

2 stops54h 05m

$3,945

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sat 23/1

11:20-06:05

Nonstop13h 45m

Los Angeles Los Angeles

Mon 8/2

22:40-09:05

Nonstop15h 25m

$4,220

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 21/12

11:20-06:05

Nonstop13h 45m

Los Angeles Los Angeles

Mon 21/12

19:45-09:20

1 stop18h 35m

$4,571

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight to Costa Mesa

Have a flexible travel schedule? Discover the best time to fly to Costa Mesa with our price prediction graph.
Estimated return 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 to Costa Mesa

How long is the flight to Costa Mesa?

On average, a flight from Sydney to Costa Mesa takes 13 hours 40 minutes. Flights to Costa Mesa from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Costa Mesa

The most flights from Sydney to Costa Mesa are scheduled on a Monday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

What are the most popular airlines that fly to Costa Mesa?

The most popular airlines flying from Sydney to Costa Mesa are Qantas Airways, Fiji Airways and United Airlines.

Qantas Airways
Qantas Airways
From $887
Fiji Airways
Fiji Airways
From $775
United Airlines
United Airlines
From $929
Air New Zealand
Air New Zealand
From $970

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from Sydney to Costa Mesa are Virgin Australia, Delta and Fiji Airways.

Rainfall in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Mesa ranges from 0.0 - 87.0 mm per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Costa Mesa when rainfall is around 0.0 mm.

Temperature in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Mesa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 3 August 2026.
Read reviews from past customers who have flown Fiji Airways,Air New Zealand, andQantas Airways to the United States. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
Fiji Airways
8.0
Very Good
249 reviews
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
Air New Zealand
8.0
Very Good
657 reviews
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
Qantas Airways
7.5
Good
1,074 reviews
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
United Airlines
7.4
Good
10,059 reviews
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.
American Airlines
7.1
Good
11,842 reviews
Fiji Airways
8.0
Very Good
249 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

YVR - NAN

They didn’t enter the Tabua Club number on my boarding pass. Had to show my email to confirm my membership to enter the lounge at YVR.

FAQs about flying to Costa Mesa

  • Can I find cheaper flights to Costa Mesa if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Costa Mesa on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Costa Mesa?

    Based on reviews from Cheapflights users, Virgin Australia is rated the highest out of the airlines that fly to Costa Mesa.

  • How much is a return flight to Costa Mesa?

    A return flight to Costa Mesa will typically cost around $210, however they can be found for as little as $94.

  • Where does the fastest flight to Costa Mesa depart from?

    For those looking to save time traveling to Costa Mesa, Brisbane offers the quickest one-way flight (12 hours 55 minutes).

  • Does Los Angeles Los Angeles have car hire?

    Yes. Those touching down at Los Angeles Los Angeles can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Los Angeles Los Angeles?

    Yes. Los Angeles Los Angeles has hotels nearby for those requiring accommodations. Hyatt Regency Los Angeles International Airport is the closest property to Los Angeles Los Angeles (0.0 km away from Los Angeles Los Angeles).

See more FAQs

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How does Cheapflights help users find flights to Costa Mesa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Costa Mesa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Costa Mesa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Costa Mesa.

Can Cheapflights find flights to Costa Mesa with no change fees?

Certainly. Search results for flights to Costa Mesa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Costa Mesa become cheaper?

Yes, Cheapflights offers price alerts on Costa Mesa flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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