£79 Cheap Flights from San Diego (SAN) to Boston (BOS)

View £79 flight on Thu, 20 Aug 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Logan International Airport (BOS)

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Cheap Flights from San Diego (SAN) to Boston (BOS)

Prices were available within the past 7 days and start at £79 for one-way flights and £204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 28 May - Wed, 3 Jun
SAN
San Diego
BOS
Boston
£204 Return, found 8 hours ago
£204
Return
found 8 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Diego to Boston, returning Wed, 3 Jun, priced at £204 found 8 hours ago
JetBlue Airways
Thu, 28 May - Wed, 3 Jun
SAN
San Diego
BOS
Boston
£204 Return, found 8 hours ago
£204
Return
found 8 hours ago
Select JetBlue Airways flight, departing Thu, 28 May from San Diego to Boston, returning Wed, 3 Jun, priced at £204 found 8 hours ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
SAN
San Diego
BOS
Boston
£205 Return, found 5 days ago
£205
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 17 May from San Diego to Boston, returning Sun, 24 May, priced at £205 found 5 days ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
SAN
San Diego
BOS
Boston
£206 Return, found 5 days ago
£206
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 17 May from San Diego to Boston, returning Sun, 24 May, priced at £206 found 5 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
SAN
San Diego
BOS
Boston
£211 Return, found 8 hours ago
£211
Return
found 8 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Diego to Boston, returning Wed, 3 Jun, priced at £211 found 8 hours ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
SAN
San Diego
BOS
Boston
£212 Return, found 5 days ago
£212
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 17 May from San Diego to Boston, returning Sun, 24 May, priced at £212 found 5 days ago
JetBlue Airways
Wed, 3 Jun - Fri, 12 Jun
SAN
San Diego
BOS
Boston
£214 Return, found 2 days ago
£214
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 3 Jun from San Diego to Boston, returning Fri, 12 Jun, priced at £214 found 2 days ago
JetBlue Airways
Thu, 28 May - Wed, 3 Jun
SAN
San Diego
BOS
Boston
£215 Return, found 8 hours ago
£215
Return
found 8 hours ago
Select JetBlue Airways flight, departing Thu, 28 May from San Diego to Boston, returning Wed, 3 Jun, priced at £215 found 8 hours ago
JetBlue Airways
Sun, 17 May - Sun, 24 May
SAN
San Diego
BOS
Boston
£217 Return, found 5 days ago
£217
Return
found 5 days ago
Select JetBlue Airways flight, departing Sun, 17 May from San Diego to Boston, returning Sun, 24 May, priced at £217 found 5 days ago
JetBlue Airways
Fri, 21 Aug - Mon, 24 Aug
SAN
San Diego
BOS
Boston
£219 Return, found 8 hours ago
£219
Return
found 8 hours ago
Select JetBlue Airways flight, departing Fri, 21 Aug from San Diego to Boston, returning Mon, 24 Aug, priced at £219 found 8 hours ago

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city centre is 7 minutes. Flights from £326
BOS
Logan Intl.
CheapestClosest
Average driving time to city centre7 min
Flights from £326

Frequently asked questions

What is the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
January is typically the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.), with average return fares of approximately £229. This is about 20% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) include February and September.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
Enter SAN to BOS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
The best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) will differ from traveller to traveller. If you like to fly early, AS offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
When looking for the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.), it's a balance between price and popularity. Based on booking data from the past year, January and February are typically the cheapest months, with average return flights around £229. However, if you're looking for more flight options and a livelier atmosphere, October and July are the most popular months to travel. While these might not be the absolute cheapest, you'll find plenty of flight schedules to choose from.
How many flights per day from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
When flying from San Diego Intl. (SAN) to Logan Intl. (BOS), you'll find approximately 5 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 204 connecting flights daily. Some common connection points include Sky Harbor Intl. (PHX), Denver Intl. (DEN), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
The earliest flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) typically departs at approximately 12:45 AM local time, operated by Delta. This is a seasonal service active in October and November. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
You'll typically find the most flights from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) on a Thursday, with around 110 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Southwest Airlines. When looking at the week as a whole, Thursday offers notably more flight options compared to other days.
What are the most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
The most popular departure times for flights from San Diego Intl. (SAN) to Logan Intl. (BOS) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time. Many major carriers, including American Airlines, United Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
A nonstop flight from SAN to BOS typically takes around 5 hours 30 minutes, covering approximately 2,582 miles. Connecting flights on this route usually add 2 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
Select the "Business class" and "First class" filters when looking for SAN to BOS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
A non-stop, one-way business class flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) is usually around £1,015 - £1,943. You may also be able to find a cheaper business class journey between San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Boston from San Diego Intl. (SAN)?
If you're planning to travel to Boston from San Diego Intl. (SAN), you can fly directly into Logan Intl. (BOS) Some flights may connect through major hubs like McCarran Intl. (LAS), Sky Harbor Intl. (PHX), Norman Y. Mineta San Jose Intl. (SJC) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£203
Distance
4131 km
Average flight time
8 hours 57 mins

Book with confidence

Compare flights from San Diego to Boston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Diego to Boston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Logan Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Diego Intl. to Logan Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Diego Intl. (SAN) to Logan Intl. (BOS)

The easiest way to view the best deals on flights from San Diego to Boston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Diego Intl. to Logan Intl. start at just £204 and range up to £219.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Diego and Boston
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Diego to Boston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Diego Intl. to Logan Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Diego to Boston easily and book with confidence

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*Available to Expedia members.