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C$ 254+ Cheap flights to Costa Mesa

— LAX
10 Oct — 17 Oct1
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

Thu 26/119:10 a.m. -
2 stops15h 10m
Sun 29/117:00 a.m. -
2 stops13h 40m
Deal found 10/9C$ 430
Thu 5/119:10 a.m. -
2 stops15h 10m
Tue 10/117:00 a.m. -
2 stops13h 40m
Deal found 10/9C$ 431
Mon 19/108:00 a.m. -
2 stops12h 10m
Mon 2/115:00 p.m. -
1 stop9h 00m
Deal found 10/9C$ 432
Sun 25/109:55 a.m. -
Nonstop5h 39m
Sat 31/105:15 p.m. -
3 stops28h 25m
Deal found 9/9C$ 434
Sun 25/107:30 a.m. -
2 stops14h 15m
Sat 31/101:10 p.m. -
2 stops14h 35m
Deal found 10/9C$ 435
Sun 25/109:10 a.m. -
2 stops12h 35m
Tue 3/1112:10 p.m. -
2 stops14h 35m
Deal found 10/9C$ 437
Sun 4/108:40 p.m. -
1 stop23h 30m
Sun 11/107:30 a.m. -
1 stop9h 20m
Deal found 6/9C$ 437
Mon 28/98:40 p.m. -
1 stop28h 25m
Wed 30/97:30 a.m. -
1 stop9h 20m
Deal found 6/9C$ 439
Tue 24/117:00 a.m. -
1 stop10h 16m
Fri 11/1210:55 p.m. -
Nonstop4h 46m
Deal found 5/9C$ 441
Thu 15/1012:40 p.m. -
2 stops12h 25m
Fri 23/104:55 p.m. -
1 stop9h 15m
Deal found 6/9C$ 442
Sun 11/108:40 p.m. -
1 stop21h 05m
Mon 19/107:30 a.m. -
1 stop9h 20m
Deal found 6/9C$ 444
Fri 16/104:40 p.m. -
Nonstop5h 20m
Sat 17/1010:30 p.m. -
1 stop8h 03m
Deal found 6/9C$ 445

Find flight deals to Costa Mesa

Round-trip from

C$ 432

One-way from

C$ 254

Popular in

August

Cheapest in

January

Average price

C$ 521
WestJet
  • WestJet
  • 19/10-2/11
  • 3 total stops
  • 21h 10m total
  • Toronto to Los Angeles
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WestJet
  • WestJet
  • 3/12-31/12
  • 1 total stop
  • 27h 45m total
  • Toronto to Costa Mesa
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Highest demand for flights based on searches. 9% potential increase in price (C$ 60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Tue 3/11

8:35 a.m.-7:28 p.m.

2 stops13h 53m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 280

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Mon 28/9

7:00 p.m.-8:58 a.m.

1 stop16h 58m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 280

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Sat 7/11

6:45 a.m.-2:01 p.m.

2 stops10h 16m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 280

HamiltonLos Angeles

YHM Hamilton - LAX Los Angeles Los Angeles

YHMLAX

Hamilton

Sun 22/11

3:25 p.m.-4:10 p.m.

1 stop27h 45m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 282

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Tue 8/12

3:35 p.m.-10:54 p.m.

2 stops10h 19m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 282

HamiltonLos Angeles

YHM Hamilton - LAX Los Angeles Los Angeles

YHMLAX

Hamilton

Sun 1/11

3:25 p.m.-4:10 p.m.

1 stop27h 45m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 285

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Mon 5/10

5:54 p.m.-11:55 p.m.

1 stop9h 01m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 286

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Sun 8/11

6:30 a.m.-2:01 p.m.

1 stop10h 31m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 297

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles Los Angeles

YYZLAX

Toronto Pearson Intl

Thu 12/11

6:45 a.m.-3:04 p.m.

2 stops11h 19m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 297

HamiltonLos Angeles

YHM Hamilton - LAX Los Angeles Los Angeles

YHMLAX

Hamilton

Thu 3/12

3:25 p.m.-5:45 p.m.

2 stops29h 20m

Los Angeles Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 301

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip price

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 Toronto to Costa Mesa takes 12 hours 7 minutes. Flights to Costa Mesa from other popular cities in Canada 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 Toronto to Costa Mesa are scheduled on a Wednesday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

The most popular airlines flying from Toronto to Costa Mesa are Porter Airlines, Air Canada and WestJet.

WestJet
WestJet
From C$ 144
Air Canada
Air Canada
From C$ 104
Porter Airlines
Porter Airlines
From C$ 264
United Airlines
United Airlines
From C$ 193

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from Toronto to Costa Mesa are WestJet, Air Canada and Delta.

Rainfall in Costa Mesa 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

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).

When is the cheapest time to fly to Costa Mesa?

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

Reviews of airlines servicing Costa Mesa

Get a feel of what it's like to fly with Porter Airlines,Air Transat, andUnited Airlines to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
460 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Transat
7.7
Good
579 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.4
Good
10,197 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
WestJet
7.2
Good
3,445 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,611 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

FAQs about flying to Costa Mesa

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

    Yes, flights with layovers 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, United Airlines is rated the highest out of the airlines that fly to Costa Mesa.

  • How much is a round-trip flight to Costa Mesa?

    A round-trip flight to Costa Mesa will typically cost around C$ 1,511, however they can be found for as little as C$ 116.

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

    For those looking to save time traveling to Costa Mesa, Vancouver offers the quickest one-way flight (1 hour 59 minutes).

  • Does Los Angeles Los Angeles have rental cars?

    Yes. Those touching down at Los Angeles Los Angeles can take advantage of the rental car 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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