Cheap flights from Boston to Northwest San Antonio

View AU$269 flight on Fri, 12 Sep. 2025Opens in a new window

Popular airlines from Boston to Northwest San Antonio

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to Northwest San Antonio (SAT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$474 Return, found 6 days ago
AU$474
Return
found 6 days ago
Select Delta flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$474 found 6 days ago
Delta
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$489 Return, found 6 days ago
AU$489
Return
found 6 days ago
Select Delta flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$489 found 6 days ago
American Airlines
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$520 Return, found 6 days ago
AU$520
Return
found 6 days ago
Select American Airlines flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$520 found 6 days ago
Delta
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$565 Return, found 6 days ago
AU$565
Return
found 6 days ago
Select Delta flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$565 found 6 days ago
American Airlines
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$612 Return, found 6 days ago
AU$612
Return
found 6 days ago
Select American Airlines flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$612 found 6 days ago
United
Thu, 7 Aug. - Thu, 14 Aug.
BOS
Boston
SAT
San Antonio
AU$634 Return, found 6 days ago
AU$634
Return
found 6 days ago
Select United flight, departing Thu, 7 Aug. from Boston to San Antonio, returning Thu, 14 Aug., priced at AU$634 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to San Antonio (SAT)

October is typically the cheapest month to fly

From AU$172 - AU$421 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.