C$ 169+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
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 25 March 2025.
Find flight deals to Costa Mesa
Cheapest flights to Costa MesaExplore the most affordable flight options available to Costa Mesa. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.
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 25 March 2025.
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 25 March 2025.
Use the filters below to find and compare flights to Costa Mesa that are best for you.
Fly from
Route
Depart
Return
Price
TorontoLos Angeles
YYZ - LAX
YYZLAX
Toronto Pearson Intl
Tue 3/6
11:00 a.m.-5:17 p.m.
1 stop9h 17m
Los Angeles
Sat 14/6
3:00 p.m.-5:51 a.m.
2 stops11h 51m
HamiltonLos Angeles
YHM - LAX
YHMLAX
Hamilton
Sat 24/5
6:00 a.m.-2:12 p.m.
1 stop11h 12m
Los Angeles
Wed 28/5
11:40 a.m.-12:41 a.m.
1 stop10h 01m
TorontoLos Angeles
YYZ - LAX
YYZLAX
Toronto Pearson Intl
Tue 8/4
8:00 p.m.-8:01 a.m.
1 stop15h 01m
Los Angeles
Tue 15/4
9:00 a.m.-12:26 a.m.
2 stops12h 26m
TorontoLos Angeles
YKF - LAX
YKFLAX
Toronto Region of Waterloo Intl
Wed 21/5
6:00 a.m.-2:12 p.m.
1 stop11h 12m
Los Angeles
Wed 28/5
11:40 a.m.-12:46 a.m.
1 stop10h 06m
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
TorontoLos Angeles
YYZ - LAX
YYZLAX
Toronto Pearson Intl
Thu 1/5
6:35 p.m.-8:59 p.m.
Nonstop5h 24m
Los Angeles
Tue 6/5
7:30 a.m.-3:20 p.m.
Nonstop4h 50m
TorontoLos Angeles
YTZ - LAX
YTZLAX
Toronto Island
Thu 1/5
12:25 p.m.-7:50 p.m.
1 stop10h 25m
Los Angeles
Tue 6/5
10:20 p.m.-9:47 a.m.
1 stop8h 27m
TorontoLos Angeles
YYZ - LAX
YYZLAX
Toronto Pearson Intl
Tue 13/5
6:30 a.m.-12:05 p.m.
1 stop8h 35m
Los Angeles
Wed 21/5
7:00 a.m.-9:16 p.m.
1 stop11h 16m
TorontoLos Angeles
YKF - LAX
YKFLAX
Toronto Region of Waterloo Intl
Mon 12/5
6:00 a.m.-2:12 p.m.
1 stop11h 12m
Los Angeles
Thu 15/5
11:30 a.m.-7:10 a.m.
1 stop16h 40m
TorontoLos Angeles
YYZ - LAX
YYZLAX
Toronto Pearson Intl
Mon 21/4
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
Los Angeles
Mon 28/4
7:35 a.m.-3:23 p.m.
Nonstop4h 48m
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.
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 21 March 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 57 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 9 hours 12 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 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 Friday (20 on average). You will have fewer flight options on Thursday, 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, WestJet and Air Canada.
What are the cheapest airlines that fly to Costa Mesa?
The cheapest airlines flying from Toronto to Costa Mesa are WestJet, American Airlines and Delta.
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 25 March 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Porter Airlines to Costa Mesa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
FAQs about flying to Costa Mesa
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.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to Costa Mesa?
Deals for Costa Mesa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets to Costa Mesa?
Cheapflights helps you find that perfect flight to Costa Mesa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights to Costa Mesa with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights to Costa Mesa flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights to Costa Mesa become cheaper?
Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!