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Costa Mesa

$115+ Cheap flights from Boston (BOS) to Costa Mesa, CA

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Boston Logan Intl to Costa Mesa are usually found in September or October, booked 54 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Boston to Costa Mesa

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 January 21, 2025.

Round-trip from

$177
(Cheapflightsfares)

One-way from

$115
(Booking.com)

Popular in

June

Cheapest in

September

Average price

$318
From Boston Logan Intl to Costa Mesa
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One-way flight from Boston Logan Intl to Costa Mesa
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High demand for flights, 10% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Boston to Costa Mesa

Cheapest flights from Boston to Costa Mesa
Explore the most affordable flight options available from Boston to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/47:13 amBOS - LAX
1 stop8h 49mSpirit Airlines
Thu 2/612:19 pmLAX - BOS
1 stop18h 09mSpirit Airlines
Deal found 1/20$177
This CheapOair deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:00 amBOS - LAX
1 stop12h 04mMultiple Airlines
Tue 3/1111:40 pmLAX - BOS
1 stop8h 40mMultiple Airlines
Deal found 1/19$185
This JetBlue deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/128:15 amBOS - LAX
Nonstop6h 33mJetBlue
Tue 2/189:00 amLAX - BOS
Nonstop5h 36mJetBlue
Deal found 1/20$203
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/87:00 amBOS - LAX
Nonstop6h 55mDelta
Wed 2/193:15 pmLAX - BOS
Nonstop5h 20mDelta
Deal found 1/19$242
This Alaska Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:00 amBOS - LAX
1 stop10h 59mAlaska Airlines
Wed 2/199:00 amLAX - BOS
1 stop11h 59mAlaska Airlines
Deal found 1/19$250
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2512:48 pmBOS - LAX
1 stop12h 17mFrontier
Sun 5/410:53 pmLAX - BOS
1 stop9h 55mFrontier
Deal found 1/19$266
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:24 amBOS - LAX
Nonstop6h 41mUnited Airlines
Thu 3/612:22 amLAX - BOS
1 stop7h 03mUnited Airlines
Deal found 1/20$276
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:00 pmBOS - LAX
Nonstop6h 51mAmerican Airlines
Mon 2/2411:25 pmLAX - BOS
1 stop8h 06mAmerican Airlines
Deal found 1/20$297

Find flights from Boston to Costa Mesa within your budget

Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 2/4

7:13 am-1:02 pm

1 stop8h 49m

Los Angeles

Thu 2/6

12:19 pm-9:28 am

1 stop18h 09m

$177

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 3/7

6:00 am-3:04 pm

1 stop12h 04m

Los Angeles

Tue 3/11

11:48 pm-2:57 pm

1 stop12h 09m

$185

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/12

8:15 am-11:48 am

Nonstop6h 33m

Los Angeles

Sat 2/15

9:15 pm-5:49 am

Nonstop5h 34m

$203

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 2/11

7:00 am-10:55 am

Nonstop6h 55m

Los Angeles

Tue 2/25

7:55 am-4:17 pm

Nonstop5h 22m

$237

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 4/25

12:48 pm-10:05 pm

1 stop12h 17m

Los Angeles

Sun 5/4

10:53 pm-11:48 am

1 stop9h 55m

$266

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 3/4

8:24 am-12:05 pm

Nonstop6h 41m

Los Angeles

Thu 3/6

12:22 am-10:25 am

1 stop7h 03m

$276

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 2/7

8:15 am-11:44 am

Nonstop6h 29m

Los Angeles

Sun 2/9

1:15 am-11:40 am

1 stop7h 25m

$312

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 2/11

1:25 pm-9:45 pm

2 stops11h 20m

Los Angeles

Tue 2/18

8:55 am-11:55 pm

1 stop12h 00m

$318

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/19

4:20 pm-12:00 pm

2 stops22h 40m

$115

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/26

8:24 am-12:05 pm

Nonstop6h 41m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
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Best time to book a flight from Boston to Costa Mesa

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Costa Mesa. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Costa Mesa, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Costa Mesa (average of $246). Flying from Boston to Costa Mesa in March is currently the most expensive (average of $344). 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 BOS to CM3?

Find hourly flight availability from Boston 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 January 21, 2025.

When flying from Boston 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 Boston to Costa Mesa?

Use this chart to determine the cheapest time to fly round-trip from Boston to Costa Mesa. Price data was last updated on January 21, 2024.

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

Weekly flight availability from Boston to Costa Mesa

Explore weekly flight availability from Boston 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 January 21, 2025.

The most flights from BOS to CM3 are scheduled on a Friday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 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 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Costa Mesa when rainfall is around 0.0 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 January 21, 2025.
See what other customers who have flown with Delta, Alaska Airlines and Spirit Airlines from Boston to Costa Mesa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,201 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,982 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airport do you fly from for flights from Boston to Costa Mesa?

    For a flight from Boston to Costa Mesa, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 36 outbound flights to Costa Mesa per day. 10 airlines have flights to Costa Mesa from Boston Logan Intl on a regular basis.

  • How popular is this Boston to Costa Mesa flight route?

    The Boston Logan Intl to Costa Mesa flight path was viewed by 106 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $115 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $119 and $134, respectively.

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

    Consider Air Tahiti Nui (92%), American Airlines (92%) or Fiji Airways (92%) when booking your flight. These represent the most reliable airlines when flying from Boston to Costa Mesa.

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

    The cheapest flight price from Boston to Costa Mesa is $118. On average you can expect to pay $924. The most popular route, (Boston Logan Intl - Los Angeles), can usually be booked for $147.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Costa Mesa?

    Currently, January is the cheapest month in which you can book a flight from Boston to Costa Mesa (average of $246). Flying from Boston to Costa Mesa in March is currently the most expensive (average of $344). 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 Boston to Costa Mesa

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Top 10 airlines flying from Boston to Costa Mesa

Discover the top 10 airlines that operate flights from Boston 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$148FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$249FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$113Average$272FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$148Average$382FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$161Average$486FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$169Average$390FlexibilityNo cancel feeOn-time83%
DeltaCheapest$181Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$234Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$238Average$465FlexibilityNo cancel feeOn-time63%
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