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Costa Mesa

$110+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Boston Logan Intl to Costa Mesa are usually found in September or January, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Boston to Costa Mesa

Keep the following information in mind while searching for Boston to Costa Mesa flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$174
(Mytrip)

One-way from

$110
(CheapOair)

Popular in

June

Cheapest in

September

Average price

$372
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
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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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Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/98:35 pmBOS - LAX
1 stop27h 43mSpirit Airlines
Mon 3/1711:40 pmLAX - BOS
1 stop8h 40mSpirit Airlines
Deal found 2/20$174
This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:00 amBOS - LAX
1 stop12h 30mMultiple Airlines
Wed 3/1211:40 pmLAX - BOS
1 stop8h 40mMultiple Airlines
Deal found 2/20$175
This JetBlue Airways deal was found by Cheapflights users on 2/20. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amBOS - LAX
Nonstop6h 35mJetBlue
Mon 3/311:35 amLAX - BOS
Nonstop5h 35mJetBlue
Deal found 2/20$197
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/38:24 amBOS - LAX
Nonstop6h 41mUnited Airlines
Fri 3/710:50 pmLAX - BOS
Nonstop5h 25mUnited Airlines
Deal found 2/20$208
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amBOS - LAX
1 stop12h 30mHawaiian Airlines
Wed 3/59:00 amLAX - BOS
1 stop11h 59mHawaiian Airlines
Deal found 2/20$211
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:00 amBOS - LAX
1 stop10h 55mAlaska Airlines
Mon 3/1010:00 amLAX - BOS
1 stop10h 59mAlaska Airlines
Deal found 2/20$216
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/276:25 pmBOS - LAX
Nonstop6h 55mDelta
Thu 3/61:00 pmLAX - BOS
Nonstop5h 21mDelta
Deal found 2/20$237
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 2/278:00 amBOS - LAX
Nonstop6h 46mAmerican Airlines
Sun 3/212:25 amLAX - BOS
1 stop6h 55mAmerican Airlines
Deal found 2/20$277

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 February 20, 2025.

Fly from

Boston

Fly to

Costa Mesa

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 3/9

8:35 pm-9:18 pm

1 stop27h 43m

Los Angeles

Mon 3/17

11:40 pm-11:20 am

1 stop8h 40m

$174

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 3/4

7:00 am-4:30 pm

1 stop12h 30m

Los Angeles

Wed 3/12

11:40 pm-11:20 am

1 stop8h 40m

$175

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 2/27

7:00 am-10:35 am

Nonstop6h 35m

Los Angeles

Mon 3/3

11:35 am-8:10 pm

Nonstop5h 35m

$197

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 3/3

8:24 am-12:05 pm

Nonstop6h 41m

Los Angeles

Fri 3/7

10:50 pm-7:15 am

Nonstop5h 25m

$208

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 2/27

7:00 am-4:30 pm

1 stop12h 30m

Los Angeles

Wed 3/5

9:00 am-11:59 pm

1 stop11h 59m

$211

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 3/6

7:00 am-2:55 pm

1 stop10h 55m

Los Angeles

Mon 3/10

10:00 am-11:59 pm

1 stop10h 59m

$216

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 2/27

6:25 pm-10:20 pm

Nonstop6h 55m

Los Angeles

Thu 3/6

1:00 pm-9:21 pm

Nonstop5h 21m

$237

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 2/27

8:00 am-11:46 am

Nonstop6h 46m

Los Angeles

Sun 3/2

12:25 am-10:20 am

1 stop6h 55m

$277

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 3/16

8:35 pm-11:37 am

1 stop18h 02m

$110

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 3/9

6:00 am-7:18 pm

1 stop16h 18m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 19 results
1
2

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 February 14, 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 February 20, 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 December 16, 2024.

Travelers seeking maximum savings on their Boston to Costa Mesa flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon 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 February 20, 2025.

The most flights from BOS to CM3 are scheduled on a Thursday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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 February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta 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
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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 38 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 101 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?

    $110 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 Frontier and Hawaiian Airlines, with prices starting from $111 and $112, respectively.

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

    Consider Fiji Airways (100%), Qatar Airways (94%) or Iberia (89%) 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 $108. On average you can expect to pay $972. The most popular route, (Boston Logan Intl - Los Angeles), can usually be booked for $118.

  • 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$130FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$246FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$113Average$272FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$148Average$381FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$161Average$486FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$169Average$392FlexibilityNo cancel feeOn-time83%
DeltaCheapest$176Average$448FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$463FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$229Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$252Average$473FlexibilityNo cancel feeOn-time63%
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