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$695+ 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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
16 Jul — 23 Jul1
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 16 June 2026.

Mon 13/709:30
SYD
-
LAX
Nonstop13h 40m
United Airlines
Mon 27/716:14
LAX
-
SYD
1 stop21h 41m
United Airlines
Deal found 16/6$1,068
Mon 10/810:20
SYD
-
LAX
1 stop17h 14m
United Airlines
Mon 5/1013:25
LAX
-
SYD
1 stop24h 30m
United Airlines
Deal found 14/6$1,070
Mon 10/810:20
SYD
-
LAX
1 stop20h 35m
United Airlines
Sat 3/1022:35
LAX
-
SYD
1 stop39h 20m
United Airlines
Deal found 15/6$1,071
Wed 17/610:20
SYD
-
LAX
1 stop24h 31m
United Airlines
Sun 21/609:10
LAX
-
SYD
1 stop28h 45m
United Airlines
Deal found 16/6$1,074
Mon 10/810:20
SYD
-
LAX
1 stop22h 15m
Air New Zealand
Mon 5/1018:56
LAX
-
SYD
1 stop18h 59m
Air New Zealand
Deal found 15/6$1,076
Thu 10/909:30
SYD
-
LAX
Nonstop13h 40m
Air New Zealand
Sat 26/922:35
LAX
-
SYD
1 stop39h 20m
Air New Zealand
Deal found 13/6$1,077
Thu 10/909:30
SYD
-
LAX
Nonstop13h 40m
United Airlines
Sat 26/922:35
LAX
-
SYD
1 stop39h 20m
United Airlines
Deal found 15/6$1,078
Sun 21/620:45
SYD
-
LAX
1 stop25h 15m
Alaska Airlines
Tue 25/818:10
LAX
-
SYD
1 stop31h 40m
Alaska Airlines
Deal found 13/6$1,080
Thu 30/709:10
SYD
-
LAX
Nonstop13h 50m
American Airlines
Sat 8/822:55
LAX
-
SYD
Nonstop15h 10m
American Airlines
Deal found 11/6$1,081
Mon 15/609:10
SYD
-
LAX
Nonstop13h 50m
American Airlines
Thu 25/623:05
LAX
-
SYD
Nonstop15h 00m
American Airlines
Deal found 14/6$1,083
Thu 30/709:10
SYD
-
LAX
Nonstop13h 50m
American Airlines
Thu 6/822:55
LAX
-
SYD
Nonstop15h 10m
American Airlines
Deal found 15/6$1,084
Sat 1/809:10
SYD
-
LAX
Nonstop13h 50m
American Airlines
Wed 5/822:55
LAX
-
SYD
Nonstop15h 10m
American Airlines
Deal found 13/6$1,085

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 16 June 2026.

Return from

$1,068

One-way from

$695

Popular in

December

Cheapest in

August

Average price

$1,295
United Airlines
  • United Airlines
  • 13/7-27/7
  • 2 total stops
  • 42h 16m total
  • Sydney to Los Angeles
Search Deals
Air New Zealand
  • Air New Zealand
  • 26/7
  • 1 total stop
  • 17h 23m total
  • Sydney to Costa Mesa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 16 June 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 28/7

10:20-11:57

1 stop18h 37m

Los Angeles Los Angeles

Tue 4/8

21:34-06:55

1 stop40h 21m

$1,070

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Tue 14/7

09:30-06:10

Nonstop13h 40m

Los Angeles Los Angeles

Sat 25/7

22:45-07:00

Nonstop15h 15m

$1,107

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 13/7

10:20-00:19

1 stop30h 59m

Los Angeles Los Angeles

Sat 25/7

22:45-07:00

Nonstop15h 15m

$1,115

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 6/11

11:20-06:05

Nonstop13h 45m

Los Angeles Los Angeles

Mon 9/11

18:51-09:15

1 stop19h 24m

$1,117
Fastest return journey

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 24/7

09:15-06:05

Nonstop13h 50m

Los Angeles Los Angeles

Sat 29/8

23:00-06:50

Nonstop14h 50m

$1,156

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sat 11/7

09:30-06:10

Nonstop13h 40m

Los Angeles Los Angeles

Sat 25/7

22:45-07:00

Nonstop15h 15m

$1,156

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 12/7

09:30-06:10

Nonstop13h 40m

Los Angeles Los Angeles

Sat 25/7

22:45-07:00

Nonstop15h 15m

$1,156

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 13/9

09:30-06:10

Nonstop13h 40m

Los Angeles Los Angeles

Fri 2/10

22:50-07:00

Nonstop15h 10m

$1,162

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 24/7

20:45-07:32

2 stops27h 47m

Los Angeles Los Angeles

Tue 25/8

18:10-18:50

1 stop31h 40m

$1,449

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 17/9

09:30-06:10

Nonstop13h 40m

Los Angeles Los Angeles

Thu 24/9

22:50-07:00

Nonstop15h 10m

$1,511

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 22 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 Monday, 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 $882
Fiji Airways
Fiji Airways
From $786
United Airlines
United Airlines
From $924
Air New Zealand
Air New Zealand
From $962

What are the cheapest airlines that fly to Costa Mesa?

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

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 June 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
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Fiji Airways
8.1
Very Good
244 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Air New Zealand
8.0
Very Good
645 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Qantas Airways
7.5
Good
1,047 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
United Airlines
7.4
Good
9,842 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
American Airlines
7.1
Good
11,667 reviews
Fiji Airways
8.1
Very Good
244 reviews
Check prices

Food

7.5

Comfort

8.1

Boarding

8.2

Crew

8.5

Overall

8.1

Entertainment

7.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

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, Hawaiian Airlines 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 $201, however they can be found for as little as $201.

  • 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?

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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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