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Cheap flights from Montreal to Costa Mesa from C$ 243

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LAX
26 Nov — 3 Dec1
1 adult

The best prices from Montreal to Costa Mesa are usually found in September or October, booked 31 days in advance, depart on a Thursday or Wednesday and return on a Saturday

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 640,016 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 7/1

1:30 p.m.-9:42 p.m.

2 stops11h 12m

Los Angeles

Tue 14/1

7:00 a.m.-12:40 a.m.

2 stops14h 40m

C$ 370

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 9/12

2:35 p.m.-8:08 p.m.

1 stop8h 33m

Los Angeles

Sun 15/12

7:35 a.m.-7:03 p.m.

1 stop8h 28m

C$ 380

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Fri 13/12

8:05 a.m.-3:09 p.m.

1 stop10h 04m

Los Angeles

Fri 13/12

6:14 p.m.-10:32 a.m.

2 stops13h 18m

C$ 383

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Wed 11/12

1:30 p.m.-9:42 p.m.

2 stops11h 12m

Los Angeles

Sat 14/12

7:35 a.m.-7:03 p.m.

1 stop8h 28m

C$ 391

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

2:20 p.m.-11:08 p.m.

1 stop11h 48m

Los Angeles

Fri 14/2

12:55 a.m.-3:20 p.m.

1 stop11h 25m

C$ 564

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Sat 7/12

12:55 p.m.-6:40 p.m.

1 stop8h 45m

Los Angeles

Fri 13/12

9:50 p.m.-11:46 a.m.

1 stop10h 56m

C$ 566

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 3/12

5:15 p.m.-8:32 p.m.

Nonstop6h 17m

Los Angeles

Thu 5/12

8:20 a.m.-4:31 p.m.

Nonstop5h 11m

C$ 571

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

10:00 a.m.-8:12 p.m.

2 stops13h 12m

C$ 247

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 17/2

1:30 p.m.-9:44 p.m.

2 stops11h 14m

C$ 250

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 27/1

6:45 a.m.-10:25 p.m.

3 stops18h 40m

C$ 251

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 14 results
1
2

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 21 November 2024.

Round-trip from

C$ 362

One-way from

C$ 243

Popular in

December

Cheapest in

September
WestJet
  • WestJet
  • 8/1-24/1
  • 4 total stops
  • 25h 52m total
  • Montreal to Costa Mesa
Search Deals
17/12
  • 17/12
  • 2 total stops
  • 16h 46m total
  • Montreal to Costa Mesa
Search Deals
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 17% potential price drop
Search Deals

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 21 November 2024.

Thu 12/125:35 p.m.YUL - LAX
1 stop10h 12mMultiple Airlines
Tue 17/125:30 a.m.LAX - YUL
1 stop8h 05mMultiple Airlines
Deal found 21/11C$ 367
Mon 9/122:35 p.m.YUL - LAX
1 stop8h 33mPorter Airlines
Sat 14/121:15 p.m.LAX - YUL
1 stop8h 13mPorter Airlines
Deal found 21/11C$ 397
Tue 10/121:30 p.m.YUL - LAX
2 stops11h 12mWestJet
Sun 12/15:40 p.m.LAX - YUL
1 stop18h 56mWestJet
Deal found 21/11C$ 465
Wed 4/125:15 p.m.YUL - LAX
Nonstop6h 17mAir Canada
Thu 12/128:20 a.m.LAX - YUL
Nonstop5h 11mAir Canada
Deal found 21/11C$ 514
Thu 5/125:15 p.m.YUL - LAX
Nonstop6h 17mUnited Airlines
Tue 10/125:00 a.m.LAX - YUL
1 stop9h 08mUnited Airlines
Deal found 21/11C$ 538
Thu 12/127:30 a.m.YUL - LAX
1 stop19h 29mAmerican Airlines
Mon 16/1212:55 a.m.LAX - YUL
1 stop11h 30mAmerican Airlines
Deal found 21/11C$ 609

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 15 November 2024.

The best time to book flights from Montreal to Costa Mesa is 31 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$ 219). 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 21 November 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 18 November 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 21 November 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 21 November 2024.
Read through reviews of airlines operating flights from Montreal to Costa Mesa, such as Porter Airlines, WestJet and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Porter Airlines
7.8
Good
288 reviews
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

United Airlines
7.4
Good
9,172 reviews
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

WestJet
7.3
Good
2,811 reviews
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Air Canada
7.0
Good
8,246 reviews
Porter Airlines
7.8
Good
288 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.8

Boarding

8.1

Crew

8.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

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$ 244 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 247 and Air Canada from C$ 289 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 (85%), Air Canada (78%), United Airlines( 76%).

  • 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$ 1,184, our data indicates the cheapest price to be C$ 300. The most popular route (Montreal Pierre Elliott Trudeau Intl - Los Angeles), is priced around C$ 337.

  • 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$ 219). 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.

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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 640,016 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapestC$ 263AverageC$ 411FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
Porter AirlinesCheapestC$ 314AverageC$ 512FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 344AverageC$ 557FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 389AverageC$ 591FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 390AverageC$ 657FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 401AverageC$ 744FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 488AverageC$ 644FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 519AverageC$ 578FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 832AverageC$ 911FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJet EncoreCheapestC$ 836AverageC$ 924FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore 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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