People on beach during daytime
64% below the usual fare
Exit Row · Boarding passSeat 14C

Cheap flights BostonSan Diego

From
BOSBoston
To
SANSan Diego
Travel
November 2026
Flight
1 stop, return

Fare from Boston

US$141

Usually about US$393

-64%vs the usual price

Get the dates and the link

Price seen 29 Oct 2026 · fares change fast and can sell out

Members only

The dates and the booking link.

Members get every date that works at this price and the link to book it, the morning we find it. Start with 14 days free, no charge today.

Start 14-day free trial
  • Every date that worksAll within 10% of the cheapest
  • The booking linkStraight to the airline or booking site
  • Fare Watch once you bookWe tell you if the price drops
Photo of cityscape and body of water
Alejandro Luengo / Unsplash
Photography of boat in body of water
Daniel Guerra / Unsplash

Why go

San Diego.

Beaches, fish tacos and sunshine almost all year.

Best timeAny time. July to October is sunniest, May and June are often grey.

  • Beach
  • Big city
  • Food

Three things to do

  1. La Jolla Cove
  2. Balboa Park
  3. Fish tacos in Ocean Beach
Distance
4,150 km
Flight
1 stop
Trip
Return

Make it a trip.

Also boarding from Boston.

Every deal from Boston

Prices are the cheapest fare we found from Boston, in USD, for one adult, and can change when you click. Some links are affiliate links: they never change which deals we send or what you pay. How we make money.