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$679+ 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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Costa Mesa in 2025

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 16 December 2025.

Thu 25/1216:00SYD - LAX
1 stop19h 29mAir Canada
Mon 12/118:10LAX - SYD
2 stops28h 55mAir Canada
Deal found 14/12$1,541
Thu 25/1216:00SYD - LAX
1 stop19h 29mAir Canada
Wed 7/118:10LAX - SYD
1 stop41h 45mAir Canada
Deal found 14/12$1,580
Tue 23/1221:40SYD - LAX
1 stop18h 59mAlaska Airlines
Mon 23/307:00LAX - SYD
1 stop18h 45mAlaska Airlines
Deal found 15/12$1,587
Thu 25/1208:20SYD - LAX
2 stops22h 28mMultiple Airlines
Mon 12/118:10LAX - SYD
2 stops28h 55mMultiple Airlines
Deal found 14/12$1,593
Thu 25/1216:00SYD - LAX
1 stop19h 29mAir Canada
Sun 4/118:10LAX - SYD
2 stops28h 55mAir Canada
Deal found 14/12$1,604
Thu 25/1216:00SYD - LAX
1 stop19h 29mAir Canada
Sat 17/106:30LAX - SYD
1 stop29h 25mAir Canada
Deal found 13/12$1,625
Thu 25/1221:40SYD - LAX
1 stop26h 20mHawaiian Airlines
Sat 17/110:06LAX - SYD
1 stop38h 39mHawaiian Airlines
Deal found 14/12$1,636
Thu 25/1216:00SYD - LAX
1 stop19h 29mAir Canada
Thu 8/106:30LAX - SYD
1 stop29h 25mAir Canada
Deal found 14/12$1,648
Thu 25/1211:20SYD - LAX
1 stop24h 09mAir Canada
Thu 1/106:30LAX - SYD
1 stop32h 05mAir Canada
Deal found 14/12$1,670

Find flight deals to Costa Mesa

Find the latest flights to Costa Mesa in 2025, 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 16 December 2025.

Return from

$1,107

One-way from

$742

Popular in

December

Cheapest in

February

Average price

$1,595
Fiji Airways
  • Fiji Airways
  • 19/1-19/1
  • 2 total stops
  • 36h 00m total
  • Sydney to Los Angeles
Search Deals
Air New Zealand
  • Air New Zealand
  • 19/1
  • 1 total stop
  • 19h 45m total
  • Sydney to Costa Mesa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
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 16 December 2025.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Wed 21/1

14:00-12:00

1 stop17h 00m

Los Angeles

Mon 26/1

22:35-12:35

1 stop19h 00m

$1,255

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 20/1

06:00-12:00

1 stop25h 00m

Los Angeles

Thu 29/1

22:35-22:05

1 stop28h 30m

$1,255

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 20/1

21:40-23:20

2 stops20h 40m

Los Angeles

Tue 10/2

08:47-19:45

2 stops39h 58m

$1,429

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 22/1

21:40-22:06

1 stop19h 26m

Los Angeles

Tue 10/2

08:47-19:45

2 stops39h 58m

$1,429

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 20/3

21:40-23:55

1 stop20h 15m

Los Angeles

Wed 15/4

07:00-18:50

2 stops42h 50m

$1,475

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 13/4

09:15-06:00

Nonstop13h 45m

Los Angeles

Sun 14/6

22:30-06:35

Nonstop15h 05m

$1,523

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 26/1

11:20-06:00

Nonstop13h 40m

Los Angeles

Mon 9/2

16:15-09:15

1 stop22h 00m

$1,527

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Wed 25/3

10:20-06:00

Nonstop13h 40m

Los Angeles

Sat 18/4

22:35-06:55

1 stop39h 20m

$1,532

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 3/2

06:20-11:48

2 stops24h 28m

$810

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 19/2

21:25-19:05

1 stop40h 40m

$822

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 19 results
1
2

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

When is the best time to book a flight to Costa Mesa?

Use this chart to determine the optimal time to book a return flight from Sydney to Costa Mesa. Price data was last updated on 12 December 2025.

The price you pay for your flight to Costa Mesa may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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.

When is the cheapest time to fly to Costa Mesa?

Use this chart to determine the cheapest time to fly return from Sydney to Costa Mesa. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Costa Mesa should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at midday, when prices are usually at their highest.

Weekly flight availability to Costa Mesa

The most flights from Sydney to Costa Mesa are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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 $939
Fiji Airways
Fiji Airways
From $835
United Airlines
United Airlines
From $1,004
Air New Zealand
Air New Zealand
From $1,008

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from Sydney to Costa Mesa are Delta, Hawaiian Airlines 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 16 December 2025.
Read reviews from past customers who have flown Fiji Airways, Air New Zealand, andVirgin Australia 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
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.1
Very Good
210 reviews
Fiji Airways
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very Good
552 reviews
Fiji Airways
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Virgin Australia
7.6
Good
428 reviews
Fiji Airways
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
946 reviews
Fiji Airways
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,094 reviews
Fiji Airways
8.1
Very Good
210 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.1

Entertainment

7.5

Comfort

8.0

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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, Delta 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 $1,055, however they can be found for as little as $88.

  • 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 50 minutes).

  • Does Los Angeles have car hire?

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

  • Are there hotels close to Los Angeles?

    Yes. Los Angeles has hotels nearby for those requiring accommodations. 2BR Furn Home - Safe/Quiet/Clean So Bay Nr Bch/LAX - 40% off for 30+ days is the closest property to Los Angeles (0.0 km away from 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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