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San Clemente

$111+ Cheap flights from Boston (BOS) to San Clemente, 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to San Clemente are usually found in September or January, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Boston to San Clemente

Keep the following information in mind while searching for Boston to San Clemente flight deals. Data was last updated November 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$111
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$387
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 San Clemente
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One-way flight from Boston Logan Intl to San Clemente
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Boston to San Clemente

Cheapest flights from Boston to San Clemente
Explore the most affordable flight options available from Boston to San Clemente. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Tue 12/212:44 pmBOS - LAX
1 stop23h 26mMultiple Airlines
Thu 12/412:03 pmLAX - BOS
1 stop8h 53mMultiple Airlines
Deal found 11/17$213
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Sun 12/78:30 amBOS - LAX
Nonstop6h 35mUnited Airlines
Wed 12/1012:15 pmLAX - BOS
1 stop7h 30mUnited Airlines
Deal found 11/17$214
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Tue 12/212:44 pmBOS - LAX
1 stop23h 26mMultiple Airlines
Mon 12/81:42 pmLAX - BOS
2 stops41h 19mMultiple Airlines
Deal found 11/18$216
This Delta deal was found by Cheapflights users on 11/16. 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.
Sun 11/236:15 amBOS - LAX
Nonstop6h 36mDelta
Wed 12/31:00 pmLAX - BOS
Nonstop5h 27mDelta
Deal found 11/16$217
This Delta deal was found by Cheapflights users on 11/17. 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.
Tue 12/97:45 amBOS - LAX
Nonstop6h 38mDelta
Fri 12/127:55 amLAX - BOS
Nonstop5h 28mDelta
Deal found 11/17$218
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Tue 12/212:44 pmBOS - LAX
1 stop23h 26mMultiple Airlines
Tue 12/91:42 pmLAX - BOS
2 stops31h 14mMultiple Airlines
Deal found 11/17$219
This Priceline deal was found by Cheapflights users on 11/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:55 amBOS - LAX
1 stop10h 24mMultiple Airlines
Sat 1/2412:46 pmLAX - BOS
1 stop9h 27mMultiple Airlines
Deal found 11/17$221
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sun 12/1411:28 amBOS - LAX
1 stop28h 43mMultiple Airlines
Wed 12/249:41 amLAX - BOS
2 stops36h 38mMultiple Airlines
Deal found 11/17$222
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Wed 12/39:54 pmBOS - LAX
2 stops27h 02mSpirit Airlines
Tue 12/911:59 pmLAX - BOS
2 stops20h 57mSpirit Airlines
Deal found 11/18$223
This Southwest deal was found by Cheapflights users on 11/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:05 amBOS - LAX
1 stop10h 15mSouthwest
Wed 12/175:40 amLAX - BOS
1 stop7h 25mSouthwest
Deal found 11/16$224
This Alaska Airlines deal was found by Cheapflights users on 11/16. 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.
Fri 12/54:40 pmBOS - LAX
1 stop10h 19mAlaska Airlines
Tue 12/93:59 pmLAX - BOS
1 stop20h 38mAlaska Airlines
Deal found 11/16$226

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to San Clemente 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 November 18, 2025.
Use the filters below to find and compare flights from Boston to San Clemente that are best for you.

Fly from

Boston

Fly to

San Clemente

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 12/8

6:59 pm-8:49 am

1 stop16h 50m

Los Angeles

Mon 12/15

5:26 pm-3:37 pm

1 stop19h 11m

$228

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 1/6

11:17 am-5:25 pm

1 stop9h 08m

Los Angeles

Tue 1/6

12:30 am-10:52 am

1 stop7h 22m

$237

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/11

1:25 pm-10:58 pm

1 stop12h 33m

Los Angeles

Sat 2/14

6:20 am-2:49 pm

Nonstop5h 29m

$241

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 12/3

8:30 pm-11:59 pm

Nonstop6h 29m

Los Angeles

Wed 2/4

8:00 am-7:57 pm

1 stop8h 57m

$241

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Thu 2/12

5:55 am-1:00 pm

1 stop10h 05m

Los Angeles

Thu 2/19

5:50 am-10:10 pm

1 stop13h 20m

$243

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 12/9

2:10 pm-8:50 pm

2 stops9h 40m

Los Angeles

Tue 12/16

8:40 am-10:45 pm

1 stop11h 05m

$255

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 12/5

4:40 pm-11:59 pm

1 stop10h 19m

Los Angeles

Wed 12/10

5:26 pm-3:37 pm

1 stop19h 11m

$258

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 1/5

6:50 pm-12:25 am

1 stop8h 35m

Los Angeles

Tue 1/6

7:50 pm-8:50 am

2 stops10h 00m

$262

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 12/19

5:45 pm-9:25 pm

Nonstop6h 40m

Los Angeles

Sun 12/28

9:30 pm-6:05 am

Nonstop5h 35m

$267

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 12/12

7:45 am-11:23 am

Nonstop6h 38m

Los Angeles

Sun 12/14

9:00 pm-5:27 am

Nonstop5h 27m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Boston to San Clemente

Have a flexible travel schedule? Discover the best time to fly to San Clemente 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Clemente

How far ahead should I book a flight from Boston to San Clemente?

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Clemente. Price data was last updated on November 14, 2025.

The price you pay for your flight from Boston to San Clemente may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to San Clemente?

Currently, January is the cheapest month in which you can book a flight from Boston to San Clemente (average of $114). Flying from Boston to San Clemente in December is currently the most expensive (average of $166). 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 CL3?

Find hourly flight availability from Boston to San Clemente. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

It’s typically best to fly out from Boston to San Clemente in the evening. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Boston to San Clemente?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Clemente. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Boston to San Clemente

Explore weekly flight availability from Boston to San Clemente. 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 November 18, 2025.

The most flights from BOS to CL3 are scheduled on a Monday (52 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (29 on average).

Reviews of airlines servicing San Clemente

Get insights into the airlines that provide service to San Clemente. 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 San Clemente. Reviews last updated November 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Boston to San Clemente. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,019 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.2
Good
2,903 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,151 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Boston to San Clemente. 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 San Clemente?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to San Clemente from Boston. Booking flights from Logan Intl (BOS) to San Clemente should be relatively easy as there are 40 daily outbound flights to San Clemente from 11 different airlines.

  • How popular is this Boston to San Clemente flight route?

    Within the past month, 97 users have taken a look at flights from Boston Logan Intl to San Clemente.

  • How long is the flight from Boston to San Clemente?

    A quick flight from Boston to San Clemente can take about 9h 08m. Alaska Airlines provides one of the quickest options available for as low as $237. There are 2603 mi between Boston and San Clemente. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Boston to San Clemente one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $114. Southwest flights start at $119 while deals on Delta start at $119 one-way.

  • What are the most reliable airlines from Boston to San Clemente?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Clemente on time: Air China (91%), China Southern (89%), China Eastern (85%).

  • What are the cheapest flights from Boston to San Clemente?

    While on average a flight from Boston to San Clemente is generally $1,073, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Boston Logan Intl - Los Angeles), you can expect to pay $149 for that flight.

  • Can I find deals for flights from Boston to San Clemente that include hotel bookings?

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

  • How can I find direct flights from Boston to San Clemente?

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

  • Can I find deals for business class flights from Boston to San Clemente?

    Yes. Cheapflights offers flight deals from Boston to San Clemente 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 San Clemente?

    Currently, January is the cheapest month in which you can book a flight from Boston to San Clemente (average of $114). Flying from Boston to San Clemente in December is currently the most expensive (average of $166). 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 San Clemente

Discover the top 10 airlines that operate flights from Boston to San Clemente. 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$224FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$88Average$172FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$99Average$272FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$108Average$364FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$404FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$353FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$184Average$401FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$187Average$397FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$197Average$466FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$217Average$412FlexibilityNo cancel feeOn-time69%

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