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C$ 204+ 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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
13 Apr — 20 Apr1
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 14 March 2026.

Fri 17/410:00 a.m.
YYZ
-
LAX
2 stops12h 52m
WestJet
Fri 24/411:50 a.m.
LAX
-
YYZ
2 stops15h 23m
WestJet
Deal found 9/3C$ 353
Mon 20/41:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Sat 25/47:00 a.m.
LAX
-
YYZ
1 stop9h 36m
WestJet
Deal found 10/3C$ 354
Fri 17/410:00 a.m.
YYZ
-
LAX
2 stops12h 52m
WestJet
Sat 25/47:00 a.m.
LAX
-
YYZ
1 stop9h 36m
WestJet
Deal found 8/3C$ 356
Tue 14/410:00 a.m.
YYZ
-
LAX
1 stop11h 30m
WestJet
Thu 23/411:50 a.m.
LAX
-
YYZ
2 stops15h 23m
WestJet
Deal found 9/3C$ 357
Fri 10/41:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Fri 17/47:00 a.m.
LAX
-
YYZ
1 stop9h 36m
WestJet
Deal found 9/3C$ 358
Tue 14/410:00 a.m.
YYZ
-
LAX
1 stop11h 30m
WestJet
Thu 16/411:50 a.m.
LAX
-
YYZ
1 stop9h 05m
WestJet
Deal found 9/3C$ 360
Fri 10/43:00 p.m.
YYZ
-
LAX
1 stop10h 03m
WestJet
Tue 14/411:50 a.m.
LAX
-
YYZ
2 stops15h 23m
WestJet
Deal found 8/3C$ 361
Wed 8/410:00 a.m.
YYZ
-
LAX
1 stop11h 30m
WestJet
Fri 10/411:50 a.m.
LAX
-
YYZ
1 stop9h 05m
WestJet
Deal found 8/3C$ 363
Sat 18/46:55 p.m.
YYZ
-
LAX
Nonstop5h 25m
Air Canada
Wed 29/412:15 p.m.
LAX
-
YYZ
1 stop8h 39m
Air Canada
Deal found 9/3C$ 364
Wed 8/410:00 a.m.
YYZ
-
LAX
1 stop11h 30m
WestJet
Wed 15/47:00 a.m.
LAX
-
YYZ
2 stops13h 35m
WestJet
Deal found 9/3C$ 365
Wed 8/410:00 a.m.
YYZ
-
LAX
1 stop11h 30m
WestJet
Tue 14/47:00 a.m.
LAX
-
YYZ
1 stop8h 26m
WestJet
Deal found 9/3C$ 367
Wed 8/41:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Tue 21/47:00 a.m.
LAX
-
YYZ
1 stop8h 26m
WestJet
Deal found 9/3C$ 368

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 629,999 searches and data was last updated on 14 March 2026.

Round-trip from

C$ 353

One-way from

C$ 204

Popular in

March

Cheapest in

September

Average price

C$ 528
WestJet
  • WestJet
  • 17/4-24/4
  • 4 total stops
  • 28h 15m total
  • Toronto to Los Angeles
Search Deals
WestJet
  • WestJet
  • 15/4
  • 2 total stops
  • 11h 28m total
  • Toronto to Costa Mesa
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 629,999 searches and data was last updated on 14 March 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 round-trip
Quickest round-trip

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 14/4

10:00 a.m.-12:35 p.m.

Nonstop5h 35m

Los Angeles Los Angeles

Wed 15/4

1:40 p.m.-9:22 p.m.

Nonstop4h 42m

C$ 464

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 11/4

12:15 p.m.-9:07 p.m.

1 stop11h 52m

Los Angeles Los Angeles

Sat 18/4

7:45 a.m.-5:21 p.m.

1 stop6h 36m

C$ 469

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Fri 10/4

5:20 p.m.-10:44 p.m.

1 stop8h 24m

Los Angeles Los Angeles

Sat 18/4

11:59 p.m.-9:54 a.m.

1 stop6h 55m

C$ 490

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 18/4

3:53 p.m.-9:40 p.m.

1 stop8h 47m

Los Angeles Los Angeles

Sun 26/4

11:59 p.m.-11:49 a.m.

1 stop8h 50m

C$ 490

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Wed 17/6

11:00 a.m.-3:34 p.m.

1 stop7h 34m

Los Angeles Los Angeles

Sat 20/6

10:55 a.m.-9:32 p.m.

1 stop7h 37m

C$ 513

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Mon 11/5

11:29 a.m.-7:51 p.m.

1 stop11h 22m

Los Angeles Los Angeles

Mon 18/5

10:35 p.m.-11:19 a.m.

1 stop9h 44m

C$ 524

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 11/7

12:30 p.m.-9:03 p.m.

1 stop11h 33m

Los Angeles Los Angeles

Fri 31/7

9:00 a.m.-10:58 p.m.

1 stop10h 58m

C$ 527

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Mon 13/7

2:15 p.m.-10:27 p.m.

1 stop11h 12m

Los Angeles Los Angeles

Fri 31/7

9:00 a.m.-10:58 p.m.

1 stop10h 58m

C$ 527

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 14/7

2:15 p.m.-8:26 p.m.

1 stop9h 11m

Los Angeles Los Angeles

Fri 31/7

9:00 a.m.-10:58 p.m.

1 stop10h 58m

C$ 527

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 9/6

5:50 p.m.-11:49 p.m.

1 stop8h 59m

Los Angeles Los Angeles

Wed 17/6

9:35 a.m.-10:57 p.m.

1 stop10h 22m

C$ 528

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
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 round-trip flight from Toronto to Costa Mesa. Price data was last updated on 6 March 2026.

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 88 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 Toronto to Costa Mesa takes 8 hours 27 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.

When is the cheapest time to fly to Costa Mesa?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Costa Mesa. Price data was last updated on 12 March 2026.

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

Weekly flight availability to Costa Mesa

The most flights from Toronto to Costa Mesa are scheduled on a Tuesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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$ 139
Air Canada
Air Canada
From C$ 103
Porter Airlines
Porter Airlines
From C$ 187
United Airlines
United Airlines
From C$ 168

What are the cheapest airlines that fly to Costa Mesa?

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

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 14 March 2026.
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
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,295 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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, Flair 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$ 90, however they can be found for as little as C$ 37.

  • 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 (2 hours 55 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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