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Cheap flights from Montreal to Costa Mesa from C$ 284

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LAX
28 Dec — 4 Jan1
1 adult

The best prices from Montreal to Costa Mesa are usually found in September or October, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Montreal to Costa Mesa

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Costa Mesa (CM3). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2024.

Round-trip from

C$ 381

One-way from

C$ 284

Popular in

December

Cheapest in

September

Average price

C$ 796
Porter Airlines
  • Porter Airlines
  • 21/1-5/2
  • 2 total stops
  • 16h 42m total
  • Montreal to Costa Mesa
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7/1
  • 7/1
  • 1 total stop
  • 9h 49m total
  • Montreal to Costa Mesa
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Montreal to Costa Mesa

Cheapest flights from Montreal to Costa Mesa
Explore the most affordable flight options available from Montreal to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Mon 30/126:30 p.m.YUL - LAX
2 stops31h 21mMultiple Airlines
Wed 8/19:30 p.m.LAX - YUL
1 stop16h 05mMultiple Airlines
Deal found 23/12C$ 621
Mon 30/128:05 a.m.YUL - LAX
1 stop17h 55mUnited Airlines
Mon 6/18:30 p.m.LAX - YUL
1 stop17h 38mUnited Airlines
Deal found 22/12C$ 736
Wed 25/126:45 a.m.YUL - LAX
2 stops13h 07mWestJet
Mon 13/17:00 a.m.LAX - YUL
2 stops14h 40mWestJet
Deal found 22/12C$ 922
Wed 25/127:30 a.m.YUL - LAX
1 stop9h 02mAmerican Airlines
Tue 14/111:30 a.m.LAX - YUL
1 stop8h 15mAmerican Airlines
Deal found 22/12C$ 954
Tue 31/1210:15 p.m.YUL - LAX
1 stop15h 17mAir Canada
Wed 8/110:55 p.m.LAX - YUL
1 stop9h 23mAir Canada
Deal found 23/12C$ 986
Wed 25/126:00 a.m.YUL - LAX
1 stop8h 00mDelta
Thu 9/112:15 p.m.LAX - YUL
1 stop8h 21mDelta
Deal found 22/12C$ 1,058
Mon 30/122:35 p.m.YUL - LAX
1 stop8h 33mPorter Airlines
Tue 7/17:10 a.m.LAX - YUL
1 stop9h 15mPorter Airlines
Deal found 23/12C$ 1,260

Find flights from Montreal to Costa Mesa within your budget

Customize your flight search to find flights from Montreal to Costa Mesa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 21/1

6:45 a.m.-12:12 p.m.

1 stop8h 27m

Los Angeles

Wed 5/2

1:15 p.m.-12:30 a.m.

1 stop8h 15m

C$ 381

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Thu 23/1

6:45 a.m.-4:52 p.m.

2 stops13h 07m

Los Angeles

Tue 28/1

5:40 p.m.-3:36 p.m.

1 stop18h 56m

C$ 384

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

2:35 p.m.-7:33 a.m.

2 stops19h 58m

Los Angeles

Mon 20/1

9:30 p.m.-4:35 p.m.

1 stop16h 05m

C$ 385

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

5:15 p.m.-8:33 p.m.

Nonstop6h 18m

Los Angeles

Tue 21/1

8:30 a.m.-4:51 p.m.

Nonstop5h 21m

C$ 489

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

5:15 p.m.-8:33 p.m.

Nonstop6h 18m

Los Angeles

Sat 15/2

5:00 a.m.-5:08 p.m.

1 stop9h 08m

C$ 490

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Thu 6/2

2:20 p.m.-10:52 p.m.

2 stops11h 32m

Los Angeles

Tue 11/2

11:59 p.m.-4:50 p.m.

2 stops13h 51m

C$ 491

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

5:15 p.m.-8:33 p.m.

Nonstop6h 18m

Los Angeles

Tue 21/1

8:30 a.m.-4:51 p.m.

Nonstop5h 21m

C$ 497

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 7/1

5:35 p.m.-12:24 a.m.

1 stop9h 49m

C$ 284

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 7/1

4:45 p.m.-9:42 p.m.

1 stop31h 57m

C$ 286

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

5:15 p.m.-8:33 p.m.

Nonstop6h 18m

C$ 289

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

Showing 1-10 of 14 results
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Best time to book a flight from Montreal to Costa Mesa

Have a flexible travel schedule? Discover the best time to fly to Costa Mesa from Montreal 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.

Travel insights for flights from Montreal to Costa Mesa

Get recent, data-driven insights about flights from Montreal to Costa Mesa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Montreal to Costa Mesa?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Costa Mesa. Price data was last updated on 20 December 2024.

The best time to book flights from Montreal to Costa Mesa is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Montreal to Costa Mesa?

Currently, September is the cheapest month in which you can book a flight from Montreal to Costa Mesa (average of C$ 234). Flying from Montreal to Costa Mesa in July is currently the most expensive (average of C$ 314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YMQ to CM3?

Find hourly flight availability from Montreal to Costa Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2024.

When flying from Montreal to Costa Mesa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Montreal to Costa Mesa?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Costa Mesa. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Costa Mesa flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal to Costa Mesa

Explore weekly flight availability from Montreal to Costa Mesa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 December 2024.

The most flights from YMQ to CM3 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 23 December 2024.
Read through reviews of airlines operating flights from Montreal to Costa Mesa, such as Porter Airlines, WestJet and Air Canada. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,588 reviews
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.8
Good
282 reviews
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,022 reviews
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,816 reviews
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,588 reviews
Check prices

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Montreal to Costa Mesa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Montreal to Costa Mesa one-way?

    One-way options have recently been found by users for as low as C$ 286 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 289 and Porter Airlines from C$ 307 one-way.

  • What are the most reliable airlines from Montreal to Costa Mesa?

    Before booking your flight to Costa Mesa from Montreal, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (77%), Air Canada (66%), Air New Zealand( 65%).

  • What are the cheapest flights from Montreal to Costa Mesa?

    Looking for the cheapest flight from Montreal to Costa Mesa? While on average our users pay C$ 2,193, our data indicates the cheapest price to be C$ 285. The most popular route (Montreal Pierre Elliott Trudeau Intl - Los Angeles), is priced around C$ 313.

  • Can I find deals for flights from Montreal to Costa Mesa that include hotel bookings?

    Yes. In addition to deals on Montreal to Costa Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Costa Mesa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Costa Mesa.

  • Can I find deals for business class flights from Montreal to Costa Mesa?

    Yes. Cheapflights offers flight deals from Montreal to Costa Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal to Costa Mesa?

    Currently, September is the cheapest month in which you can book a flight from Montreal to Costa Mesa (average of C$ 234). Flying from Montreal to Costa Mesa in July is currently the most expensive (average of C$ 314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Montreal to Costa Mesa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Montreal to Costa Mesa

Discover the top 10 airlines that operate flights from Montreal to Costa Mesa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapestC$ 271AverageC$ 422FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
Porter AirlinesCheapestC$ 326AverageC$ 525FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 384AverageC$ 575FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 395AverageC$ 606FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 401AverageC$ 680FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 412AverageC$ 755FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 502AverageC$ 660FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 534AverageC$ 590FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 855AverageC$ 959FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
JazzCheapestC$ 872AverageC$ 1,025FlexibilityNo cancel feeOn-timeN/A
Search Jazz flights

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 from Montreal to Costa Mesa?

Cheapflights helps you search for flights from Montreal to Costa Mesa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Costa Mesa?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Costa Mesa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to Costa Mesa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Costa Mesa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to Costa Mesa become cheaper?

Not ready to book yet? You can track prices for flights from Montreal to Costa Mesa on Cheapflights with our Price Alert feature and get notified when better prices are available.

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