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C$ 154+ 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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
5 May — 12 May1
1 adult

Flights to Costa Mesa in 2025

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 629,999 searches and data was last updated on 30 April 2025.

Round-trip from

C$ 220

One-way from

C$ 154

Popular in

December

Cheapest in

September

Average price

C$ 393
WestJet
  • WestJet
  • 2/7-30/7
  • 3 total stops
  • 22h 19m total
  • Toronto to Los Angeles
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Porter Airlines
  • Porter Airlines
  • 24/5
  • Nonstop
  • 5h 25m total
  • Toronto to Costa Mesa
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Highest demand for flights based on searches. 9% potential increase in price (C$ 61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals to Costa Mesa

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 30 April 2025.

Tue 12/88:00 a.m.YYZ - LAX
1 stop9h 12mWestJet
Thu 14/812:35 p.m.LAX - YYZ
1 stop9h 09mWestJet
Deal found 29/4C$ 224
Sat 24/59:45 a.m.YYZ - LAX
Nonstop5h 25mMultiple Airlines
Sat 31/53:00 p.m.LAX - YYZ
2 stops11h 51mMultiple Airlines
Deal found 29/4C$ 266
Sat 24/58:30 a.m.YYZ - LAX
Nonstop5h 11mUnited Airlines
Sun 25/53:40 p.m.LAX - YYZ
Nonstop4h 51mUnited Airlines
Deal found 29/4C$ 281
Thu 22/56:00 a.m.YKF - LAX
1 stop11h 12mWestJet
Thu 29/511:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Deal found 28/4C$ 281
Thu 29/53:45 p.m.YYZ - LAX
1 stop10h 30mAmerican Airlines
Wed 4/612:30 a.m.LAX - YYZ
1 stop11h 00mAmerican Airlines
Deal found 29/4C$ 316
Sat 14/66:00 a.m.YHM - LAX
1 stop11h 12mWestJet
Tue 24/611:40 a.m.LAX - YHM
1 stop10h 01mWestJet
Deal found 28/4C$ 328
Sat 24/59:45 a.m.YYZ - LAX
Nonstop5h 25mPorter Airlines
Fri 30/51:10 p.m.LAX - YYZ
Nonstop4h 53mPorter Airlines
Deal found 29/4C$ 332
Tue 20/56:30 a.m.YYZ - LAX
1 stop7h 07mDelta
Tue 27/56:00 a.m.LAX - YYZ
1 stop7h 40mDelta
Deal found 29/4C$ 370
Wed 21/56:35 p.m.YYZ - LAX
Nonstop5h 24mAir Canada
Mon 26/57:30 a.m.LAX - YYZ
Nonstop4h 50mAir Canada
Deal found 29/4C$ 399
Sat 24/512:25 p.m.YTZ - LAX
1 stop10h 25mAir Canada
Wed 28/510:20 p.m.LAX - YTZ
1 stop10h 27mAir Canada
Deal found 29/4C$ 419
Wed 14/54:15 p.m.YYZ - LAX
1 stop8h 47mWestJet Encore
Tue 20/56:25 p.m.LAX - YYZ
1 stop15h 05mWestJet Encore
Deal found 29/4C$ 426
Wed 28/56:00 a.m.YKF - LAX
3 stops30h 35mMultiple Airlines
Wed 4/66:52 p.m.LAX - YKF
2 stops26h 54mMultiple Airlines
Deal found 28/4C$ 439

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 30 April 2025.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 12/8

8:00 a.m.-2:12 p.m.

1 stop9h 12m

Los Angeles

Thu 14/8

12:35 p.m.-12:44 a.m.

1 stop9h 09m

C$ 224

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 24/5

9:45 a.m.-12:10 p.m.

Nonstop5h 25m

Los Angeles

Sat 31/5

3:00 p.m.-5:51 a.m.

2 stops11h 51m

C$ 266

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 24/5

8:30 a.m.-10:41 a.m.

Nonstop5h 11m

Los Angeles

Sun 25/5

3:40 p.m.-11:31 p.m.

Nonstop4h 51m

C$ 281

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 22/5

6:00 a.m.-2:12 p.m.

1 stop11h 12m

Los Angeles

Thu 29/5

11:40 a.m.-12:46 a.m.

1 stop10h 06m

C$ 281

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 29/5

3:45 p.m.-11:15 p.m.

1 stop10h 30m

Los Angeles

Wed 4/6

12:30 a.m.-2:30 p.m.

1 stop11h 00m

C$ 316

HamiltonLos Angeles

YHM - LAX

YHMLAX

Hamilton

Sat 14/6

6:00 a.m.-2:12 p.m.

1 stop11h 12m

Los Angeles

Tue 24/6

11:40 a.m.-12:41 a.m.

1 stop10h 01m

C$ 328

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 24/5

9:45 a.m.-12:10 p.m.

Nonstop5h 25m

Los Angeles

Fri 30/5

1:10 p.m.-9:03 p.m.

Nonstop4h 53m

C$ 332

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 20/5

6:30 a.m.-10:37 a.m.

1 stop7h 07m

Los Angeles

Tue 27/5

6:00 a.m.-4:40 p.m.

1 stop7h 40m

C$ 370

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Wed 21/5

6:35 p.m.-8:59 p.m.

Nonstop5h 24m

Los Angeles

Mon 26/5

7:30 a.m.-3:20 p.m.

Nonstop4h 50m

C$ 399

TorontoLos Angeles

YTZ - LAX

YTZLAX

Toronto Island

Sat 24/5

12:25 p.m.-7:50 p.m.

1 stop10h 25m

Los Angeles

Wed 28/5

10:20 p.m.-11:47 a.m.

1 stop10h 27m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 32 results
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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
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 25 April 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 Toronto to Costa Mesa takes 8 hours 58 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 16 December 2024.

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

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

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

Porter Airlines

Porter Airlines

From C$ 165

WestJet

WestJet

From C$ 148

Air Canada

Air Canada

From C$ 223

United Airlines

United Airlines

From C$ 207

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from Toronto to Costa Mesa are American Airlines, WestJet and Porter 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 30 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Porter Airlines and Delta to Costa Mesa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 83, however they can be found for as little as C$ 58.

  • 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 56 minutes).

  • Does Los Angeles have rental cars?

    Yes. Those touching down at Los Angeles can take advantage of the rental car 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 is the closest property to Los Angeles (0.0 km away from Los Angeles).

See more FAQs

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