HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Clemente

$123+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to San Clemente with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Thursday or Wednesday and return on a Wednesday

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 August 19, 2025.

Round-trip from

$204
(Cheapflightsfares)

One-way from

$123
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$363
From Boston Logan Intl to San Clemente
Search Deals
One-way flight from Boston Logan Intl to San Clemente
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:30 amBOS - LAX
1 stop7h 47mSpirit Airlines
Sat 9/65:30 amLAX - BOS
1 stop14h 17mSpirit Airlines
Deal found 8/18$204
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 9/75:50 amBOS - LAX
1 stop8h 20mSpirit Airlines
Fri 9/125:30 amLAX - BOS
1 stop14h 17mSpirit Airlines
Deal found 8/18$205
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 12/36:00 amBOS - LAX
1 stop8h 10mSpirit Airlines
Mon 12/812:15 pmLAX - BOS
1 stop8h 10mSpirit Airlines
Deal found 8/18$206
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 9/175:50 amBOS - LAX
1 stop8h 20mMultiple Airlines
Mon 9/222:21 pmLAX - BOS
1 stop20h 27mMultiple Airlines
Deal found 8/18$207
This Frontier deal was found by Cheapflights users on 8/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:59 pmBOS - LAX
2 stops14h 28mFrontier
Sun 9/710:45 pmLAX - BOS
1 stop8h 13mFrontier
Deal found 8/17$208
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/173:00 pmBOS - LAX
2 stops20h 12mMultiple Airlines
Tue 9/2310:31 amLAX - BOS
1 stop9h 16mMultiple Airlines
Deal found 8/17$209
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Sat 8/306:05 amBOS - LAX
2 stops20h 53mSpirit Airlines
Fri 9/511:10 amLAX - BOS
1 stop9h 47mSpirit Airlines
Deal found 8/18$210
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/195:50 amBOS - LAX
1 stop8h 20mSpirit Airlines
Fri 9/265:30 amLAX - BOS
1 stop14h 17mSpirit Airlines
Deal found 8/18$211
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 10/66:20 amBOS - LAX
1 stop7h 44mSpirit Airlines
Mon 10/136:00 amLAX - BOS
1 stop13h 52mSpirit Airlines
Deal found 8/17$212
This JetBlue deal was found by Cheapflights users on 8/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3010:55 amBOS - LAX
Nonstop6h 14mJetBlue
Fri 9/51:30 pmLAX - BOS
Nonstop5h 42mJetBlue
Deal found 8/18$213

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 August 19, 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

Wed 9/3

7:00 am-10:10 am

Nonstop6h 10m

Los Angeles

Fri 9/5

3:20 pm-11:59 pm

Nonstop5h 39m

$219

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 8/30

7:30 am-10:40 am

Nonstop6h 10m

Los Angeles

Sat 10/4

11:20 pm-7:59 am

Nonstop5h 39m

$222

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 11/24

7:10 pm-10:42 pm

Nonstop6h 32m

Los Angeles

Tue 12/2

10:30 pm-7:02 am

Nonstop5h 32m

$222

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 11/24

2:00 pm-5:31 pm

Nonstop6h 31m

Los Angeles

Wed 12/3

1:40 pm-10:07 pm

Nonstop5h 27m

$222

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sun 8/31

6:25 am-9:40 am

Nonstop6h 15m

Los Angeles

Tue 9/9

6:00 am-2:34 pm

Nonstop5h 34m

$222

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 9/3

7:00 am-10:10 am

Nonstop6h 10m

Los Angeles

Sun 9/7

6:00 am-2:34 pm

Nonstop5h 34m

$228

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 9/3

7:00 am-10:10 am

Nonstop6h 10m

Los Angeles

Sat 9/13

6:00 am-2:34 pm

Nonstop5h 34m

$228

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 9/17

8:35 pm-11:52 pm

Nonstop6h 17m

Los Angeles

Mon 9/22

9:00 pm-5:35 am

Nonstop5h 35m

$237

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 10/10

2:45 pm-6:01 pm

Nonstop6h 16m

Los Angeles

Sun 10/12

9:15 pm-5:51 am

Nonstop5h 36m

$237

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Mon 11/10

7:59 pm-11:32 pm

Nonstop6h 33m

Los Angeles

Mon 11/17

9:45 pm-6:16 am

Nonstop5h 31m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 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 August 8, 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 $246). Flying from Boston to San Clemente in March is currently the most expensive (average of $326). 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 August 19, 2025.

When flying from Boston to San Clemente, 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 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 Tuesday 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 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 August 19, 2025.

The most flights from BOS to CL3 are scheduled on a Sunday (64 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (38 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 August 19, 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
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,922 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
2,915 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,037 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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 51 daily outbound flights to San Clemente from 11 different airlines.

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

    Within the past month, 92 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 6h 10m. JetBlue provides one of the quickest options available for as low as $219. There are 2603 mi between Boston and San Clemente. All flights are typically nonstop.

  • 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: KLM (100%), Air China (94%), China Eastern (88%).

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

    While on average a flight from Boston to San Clemente is generally $1,065, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Boston Logan Intl - Los Angeles), you can expect to pay $151 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 $246). Flying from Boston to San Clemente in March is currently the most expensive (average of $326). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to San Clemente

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Las Vegas flights
Boston to Los Angeles flights
Boston to San Francisco flights
Boston to San Diego flights
Hartford to Las Vegas flights
Boston to Ontario flights
Boston to Santa Ana flights
Boston to Burbank flights
Hartford to Los Angeles flights
Boston to San Jose flights
Albany to Las Vegas flights
Hartford to San Diego flights
Hartford to San Francisco flights
Boston to Reno flights
Boston to Sacramento flights
Boston to Palm Springs flights
Boston to Oakland flights
Hartford to Ontario flights
Boston to Santa Barbara flights
Albany to San Francisco flights
Albany to San Diego flights
Albany to Los Angeles flights
Hartford to Reno flights
Hartford to Santa Ana flights
Hartford to Long Beach flights
Hartford to San Jose flights
Boston to San Luis Obispo flights
Albany to Ontario flights
Hartford to Burbank flights
Boston to Fresno flights
Hartford to Oakland flights
Boston to Long Beach flights
Hartford to Fresno flights
Boston to Santa Rosa flights
Hartford to Sacramento flights
Albany to Burbank flights
Albany to Santa Ana flights
Albany to Sacramento flights
Hartford to Palm Springs flights
Albany to Palm Springs flights
Boston to Monterey flights
Worcester to Las Vegas flights
Albany to Reno flights
Hyannis to Las Vegas flights
Albany to San Jose flights
West Tisbury to San Francisco flights
Worcester to San Francisco flights
Hyannis to Los Angeles flights
Albany to Long Beach flights
West Tisbury to Las Vegas flights

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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$184FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$85Average$234FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$87Average$269FlexibilityNo cancel feeOn-time65%
DeltaCheapest$129Average$393FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$344FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$142Average$316FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$176Average$367FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$201Average$421FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$206Average$427FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$224Average$460FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.