Cheap Alaska Airlines flights San Diego (SAN) to Boston (BOS)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from SAN to BOS. Affordable one-way tickets are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Boston are generally cheaper in the quieter months of January and February. Whether you’re searching for a round-trip or one-way ticket, you could find a better deal then.

Search for cheap Alaska Airlines flights from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BOS) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Alaska Airlines offers direct flights from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BOS), with 6 weekly departures. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Alaska Airlines flights to BOS.

Leave San Diego Intl. Airport (SAN) for Logan Intl. Airport (BOS) on a nonstop Alaska Airlines flight, and you’ll be airborne for around 5h 37m.

The earliest flight from SAN to BOS with Alaska Airlines departs at 8:20AM UTC-8. You’ll touch down at 4:55PM UTC-5. The final Alaska Airlines flight of the day leaves at 9:20AM UTC-8 and arrives at 5:59PM UTC-5. With 20% fewer cancellations for morning departures, beginning your travel day early is typically the best choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Alaska Airlines flights from San Diego Intl. Airport (SAN) to Boston land at Logan Intl. Airport (BOS). This is the main gateway here.

With an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is the leading choice for many passengers flying from SAN to BOS. Also, if you’re a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the San Diego Intl. Airport (SAN) to Logan Intl. Airport (BOS) route, Alaska Airlines typically uses Boeing 737 MAX 9 and Boeing 737-900 planes. Remember that last-minute changes can occur for operational purposes, so your flight could be on a different aircraft.

Depending on your fare type, a fee may apply if you cancel or change your booking more than 24 hours after it’s been confirmed. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter while looking for flights. For more information on canceling or changing your reservation, head to “Trips,” select your flight and tick “Manage Booking.”