$179 Cheap Delta flights Boston (BOS) to San Antonio (SAT)

View $179 flight on Tue, Mar 10, 2026Opens in a new window

$179 Cheap Delta flights Boston (BOS) to San Antonio (SAT)

Prices were available within the past 7 days and start at $179 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Mar 9 - Mon, Mar 16
BOS
Boston
SAT
San Antonio
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Mar 9 from Boston to San Antonio, returning Mon, Mar 16, priced at $309 found 4 days ago

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

January is typically the cheapest month to fly

From $142 - $271 per traveler.
Flights from Boston (BOS) to San Antonio (SAT)
Origin airport
Logan Intl.
Destination airport
San Antonio Intl.
Distance
2818 km
Average flight time
4 hours 59 mins