Find flights
Deals
Airlines

$748+ 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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
26 May — 2 Jun1
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 26 April 2026.

Thu 23/413:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Thu 30/423:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 22/4$971
Fri 5/606:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Fri 12/623:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 25/4$1,035
Mon 20/706:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Fri 31/723:55
LAX
-
SYD
1 stop20h 15m
Fiji Airways
Deal found 25/4$1,036
Mon 20/713:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Sat 1/823:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 26/4$1,038
Thu 30/406:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Thu 13/823:55
LAX
-
SYD
1 stop29h 15m
Fiji Airways
Deal found 22/4$1,048
Sat 25/413:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Sat 16/523:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 23/4$1,052
Wed 6/513:15
SYD
-
LAX
1 stop16h 50m
Fiji Airways
Sun 10/523:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 23/4$1,054
Mon 27/406:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Sun 10/523:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 25/4$1,059
Sat 9/506:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Wed 13/523:55
LAX
-
SYD
1 stop18h 55m
Fiji Airways
Deal found 22/4$1,061
Thu 7/506:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Mon 11/523:55
LAX
-
SYD
1 stop29h 15m
Fiji Airways
Deal found 25/4$1,063
Thu 7/506:00
SYD
-
LAX
1 stop24h 05m
Fiji Airways
Sun 10/523:55
LAX
-
SYD
1 stop29h 15m
Fiji Airways
Deal found 24/4$1,064

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 26 April 2026.

Return from

$1,035

One-way from

$751

Popular in

December

Cheapest in

August

Average price

$1,275
Fiji Airways
  • Fiji Airways
  • 5/6-12/6
  • 2 total stops
  • 43h 00m total
  • Sydney to Los Angeles
Search Deals
29/5
  • 29/5
  • 3 total stops
  • 46h 35m total
  • Sydney to Costa Mesa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($92 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 April 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 26 April 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

Wed 20/5

09:30-06:10

Nonstop13h 40m

Los Angeles

Wed 3/6

16:14-06:55

1 stop21h 41m

$1,282

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 24/5

09:15-06:00

Nonstop13h 45m

Los Angeles

Tue 2/6

22:45-06:50

Nonstop15h 05m

$1,354

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Wed 6/5

09:30-06:10

Nonstop13h 40m

Los Angeles

Thu 21/5

20:22-06:55

1 stop17h 33m

$1,359

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 24/5

09:30-06:10

Nonstop13h 40m

Los Angeles

Sat 6/6

21:34-06:55

1 stop40h 21m

$1,361

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Thu 10/9

09:30-06:10

Nonstop13h 40m

Los Angeles

Sat 26/9

22:35-06:55

1 stop39h 20m

$1,466

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 4/10

10:15-06:00

Nonstop13h 45m

Los Angeles

Sun 1/11

22:15-08:30

Nonstop15h 15m

$1,517

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 11/10

06:00-13:05

1 stop25h 05m

Los Angeles

Fri 13/11

17:30-12:35

2 stops24h 05m

$1,635

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Sun 6/9

13:15-17:22

2 stops21h 07m

Los Angeles

Tue 13/10

23:55-12:50

1 stop18h 55m

$1,645

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Fri 28/8

13:15-17:22

2 stops21h 07m

Los Angeles

Sun 13/9

23:55-11:50

1 stop18h 55m

$1,646

SydneyLos Angeles

SYD - LAX

SYDLAX

Sydney Kingsford Smith

Mon 13/7

13:15-13:05

1 stop16h 50m

Los Angeles

Sun 16/8

19:34-11:50

2 stops23h 16m

$1,926

Flights are sorted by cheapest return flights first.

Deals found on 24/4

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 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 $872
Fiji Airways
Fiji Airways
From $779
Air New Zealand
Air New Zealand
From $941
United Airlines
United Airlines
From $917

What are the cheapest airlines that fly to Costa Mesa?

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

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 26 April 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
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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
240 reviews
Fiji Airways
8.1
Very Good
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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
632 reviews
Fiji Airways
8.1
Very Good
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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
1,027 reviews
Fiji Airways
8.1
Very Good
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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
9,656 reviews
Fiji Airways
8.1
Very Good
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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
11,673 reviews
Fiji Airways
8.1
Very Good
240 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

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 $308, however they can be found for as little as $140.

  • 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 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. Hyatt Regency Los Angeles International Airport is the closest property to Los Angeles (0.0 km away from Los Angeles).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Costa Mesa by cabin class

Find flights to Costa Mesa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Costa Mesa
Business Class flights to Costa Mesa
Prem Economy Class flights to Costa Mesa
Economy Class flights to Costa Mesa

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.