฿12,445 Cheap American Airlines flights from Boston to San Diego (BOS→SAN)

View ฿12,445 flight on Mon, 5 Jan 2026Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

American Airlines flights from Boston to San Diego (BOS→SAN)

Prices were available within the past 7 days and start at ฿12,445 for one-way flights and ฿19,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿19,585 Return, found 2 days ago
฿19,585
Return
found 2 days ago
Select American Airlines flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿19,585 found 2 days ago
American Airlines
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,460 Return, found 2 days ago
฿21,460
Return
found 2 days ago
Select American Airlines flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,460 found 2 days ago

Find the cheapest month to fly from Boston (BOS) to San Diego (SAN)

March is typically the cheapest month to fly

From ฿5,389 - ฿10,785 per traveller.
Flight from Boston to San Diego route information
Origin airport
Logan Intl.
Destination airport
San Diego Intl.
Distance
4131 km
Average flight time
3 hours 47 mins

Frequently asked questions

How much is an American Airlines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Finding cheap one-way American Airlines flights from BOS to SAN from ฿12,445 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our affordable return fares from ฿19,585 for your next exciting holiday.**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.
What is the cheapest month to fly from BOS to SAN with American Airlines?
American Airlines flights to San Diego are generally more affordable in the quieter months of January and November. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
Does American Airlines fly nonstop from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Fill in your dates, press search and check "Nonstop" on Expedia to find any direct flights from BOS to SAN with American Airlines or another airline.
What airports does American Airlines fly into in San Diego?
Get on an American Airlines flight from Logan Intl. Airport (BOS) to San Diego, and you'll likely arrive at San Diego Intl. Airport (SAN). This is the airline's primary hub in this destination.
What type of plane does American Airlines fly from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
You'll likely be onboard a Boeing 737-900 or a Boeing 737 MAX 9 when flying American Airlines from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN). However, keep in mind that a different plane may be used due to operational demands.
Can I change or cancel my American Airlines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Changes are often free within 24 hours of making a booking, but your airline may add a charge after that. For further details about modifying your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your itinerary without additional charges, tick the "No cancel fee" or "Changes included" filter when planning your next escape.

Explore a world of travel with Expedia

*Available to Expedia members.