Cheap flight from Boston to San Diego from $194
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Flights from Boston to San Diego
Find cheap airlines flights from Boston to San Diego
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Boston to San Diego
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
BOS 5:35 PM6h 17mNonstopSAN 8:52 PMBoston - San Diego | Tue, Jul 29 | Delta Air Lines
SAN 10:06 PM5h 44mNonstopBOS 6:50 AMSan Diego - Boston | Wed, Jul 30 | Delta Air Lines$194 $37348% OFF48% OFF$373 $194 -
BOS 5:40 PM6h 15mNonstopSAN 8:55 PMBoston - San Diego | Tue, Jul 1 | Delta Air Lines
SAN 10:06 PM5h 44mNonstopBOS 6:50 AMSan Diego - Boston | Wed, Jul 9 | Delta Air Lines$196 $37348% OFF48% OFF$373 $196
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BOS 5:35 PM6h 17mNonstopSAN 8:52 PMBoston - San Diego | Tue, Aug 12 | Delta Air Lines
SAN 10:05 PM5h 44mNonstopBOS 6:49 AMSan Diego - Boston | Tue, Aug 19 | Delta Air Lines$196 $37348% OFF48% OFF$373 $196
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BOS 9:15 AM6h 11mNonstopSAN 12:26 PMBoston - San Diego | Tue, Jul 1 | Jetblue Airways
SAN 10:45 PM5h 45mNonstopBOS 7:30 AMSan Diego - Boston | Wed, Jul 9 | Alaska Airlines$19647% OFF$373 $196 -
BOS 5:35 PM6h 17mNonstopSAN 8:52 PMBoston - San Diego | Wed, Aug 13 | Delta Air Lines
SAN 10:05 PM5h 44mNonstopBOS 6:49 AMSan Diego - Boston | Tue, Aug 19 | Delta Air Lines$19747% OFF$373 $197
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Tue, Jul 29 | Jetblue Airways
SAN 9:00 PM5h 47mNonstopBOS 5:47 AMSan Diego - Boston | Wed, Jul 30 | Jetblue Airways$19747% OFF$373 $197
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Tue, Aug 5 | Jetblue Airways
SAN 10:45 PM5h 45mNonstopBOS 7:30 AMSan Diego - Boston | Wed, Aug 13 | Alaska Airlines$19847% OFF$373 $198
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Wed, Jul 9 | Jetblue Airways
SAN 9:00 PM5h 47mNonstopBOS 5:47 AMSan Diego - Boston | Wed, Jul 16 | Jetblue Airways$20047% OFF$373 $200
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BOS 4:00 PM6h 18mNonstopSAN 7:18 PMBoston - San Diego | Tue, Aug 12 | Jetblue Airways
SAN 8:29 PM5h 39mNonstopBOS 5:08 AMSan Diego - Boston | Tue, Aug 19 | Jetblue Airways$20047% OFF$373 $200
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Wed, Jul 16 | Jetblue Airways
SAN 10:45 PM5h 45mNonstopBOS 7:30 AMSan Diego - Boston | Sat, Jul 19 | Hawaiian Airlines$28424% OFF$373 $284
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BOS 1:00 PM17h 25m1 stopsSAN Invalid DateBoston - San Diego | Sun, Jun 22 | Normal Airline
SAN 3:00 PM6hNonstopBOS 4:00 PMSan Diego - Boston | Tue, Jun 24 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
BOS 5:45 PM6h 15mNonstopSAN 9:00 PMBoston - San Diego | Wed, Aug 13 | Hawaiian Airlines$96 $23459% OFF59% OFF$234 $96 -
BOS 8:40 AM6h 10mNonstopSAN 11:50 AMBoston - San Diego | Wed, Jul 2 | Hawaiian Airlines$96 $23459% OFF59% OFF$234 $96
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BOS 8:40 AM6h 10mNonstopSAN 11:50 AMBoston - San Diego | Wed, Jul 2 | Alaska Airlines$97 $23459% OFF59% OFF$234 $97 -
BOS 5:45 PM6h 15mNonstopSAN 9:00 PMBoston - San Diego | Wed, Aug 13 | Alaska Airlines$9759% OFF$234 $97
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Tue, Jul 8 | Jetblue Airways$9957% OFF$234 $99
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BOS 7:00 AM6h 4mNonstopSAN 10:04 AMBoston - San Diego | Wed, Jul 30 | Jetblue Airways$10056% OFF$234 $100
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BOS 5:40 PM6h 15mNonstopSAN 8:55 PMBoston - San Diego | Wed, Jul 2 | Delta Air Lines$10156% OFF$234 $101
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BOS 9:15 AM6h 11mNonstopSAN 12:26 PMBoston - San Diego | Wed, Jul 2 | Jetblue Airways$10156% OFF$234 $101
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BOS 5:45 PM6h 15mNonstopSAN 9:00 PMBoston - San Diego | Tue, Aug 12 | Alaska Airlines$11750% OFF$234 $117
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BOS 6:40 AM6h 10mNonstopSAN 9:50 AMBoston - San Diego | Tue, Jul 1 | Jetblue Airways$17824% OFF$234 $178
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BOS 1:00 PM17h 25m1 stopsSAN Invalid DateBoston - San Diego | Sun, Jun 22 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Boston to San Diego
| Cheapest one-way flight price | $94 |
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| Cheapest round-trip ticket price | $191 |
| Off-season for travel | May |
| Peak season for travel | March |
| Flight distance | 4,155.79 km |
| Average flight time | 6 hours 33 minutes |
| Popular airline | Alaska Airlines |
When is the cheapest time to fly from Boston to San Diego?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Boston (BOS) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Boston to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Boston (BOS) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around $362. -
How long does it take to fly from Boston (BOS) to San Diego (SAN) and what is the distance?
It takes around 6 hours 33 minutes to fly from Boston (BOS) to San Diego (SAN). -
What are the most popular airlines that fly from Boston (BOS) to San Diego (SAN)?
Airlines with flights from Boston (BOS) to San Diego (SAN): Icelandair, TAP Air Portugal, United Airlines, Jetblue Airways, American Airlines, Alaska Airlines, Delta Air Lines, Condor, Etihad Airways, Hawaiian Airlines, Qatar Airways and Aer Lingus.
How to find a cheap flight from Boston to San Diego
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to San Diego. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Boston to San Diego ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Boston to San Diego for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $96 for a one-way ticket on Wed, Aug 13.
Compare cheap Boston to San Diego flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Boston to San Diego. The most affordable airline currently operating on this route is Hawaiian Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Boston to San Diego route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Boston to San Diego flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Boston to San Diego to access exclusive deals just for you.
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