฿6,220 Cheap United flights from Boston to San Diego (BOS→SAN)

View ฿6,220 flight on Wed, 22 Apr 2026Opens in a new window

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United flights from Boston to San Diego (BOS→SAN)

Prices were available within the past 7 days and start at ฿6,220 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

March is typically the cheapest month to fly

From ฿5,433 - ฿10,873 per traveller.

Frequently asked questions

How much is a United Airlines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from BOS to SAN. Affordable one-way tickets from ฿6,220 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.
What is the cheapest month to fly from BOS to SAN with United Airlines?
January is one of the least expensive months to get away to San Diego with United Airlines. You could also find fantastic deals on one-way and round-trip fares in November.
Does United Airlines fly nonstop from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Fill in your dates, press search and check the "Nonstop" filter on Expedia to browse any direct flights from BOS to SAN with United Airlines or other airlines.
What airports does United Airlines fly into in San Diego?
Catch a United 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 main hub in this destination.
Can I change or cancel my United Airlines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Depending on the ticket type you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our "Changes included" and "No cancel fee" boxes when searching for flights. For additional information on cancelling or modifying your reservation, head to "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Logan Intl.
Destination airport
San Diego Intl.
Distance
4131 km
Average flight time
3 hours 37 mins
*Available to Expedia members.