$196 Cheap Alaska Airlines flights San Francisco (SFO) to Boston (BOS)

View $196 flight on Wed, Jan 28, 2026Opens in a new window

$196 Cheap Alaska Airlines flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $196 for one-way flights and $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
SFO
San Francisco
BOS
Boston
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $320 found 1 day ago
Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
SFO
San Francisco
BOS
Boston
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $384 found 1 day ago

Find the cheapest month to fly from San Francisco (SFO) to Boston (BOS)

May is typically the cheapest month to fly

From $160 - $289 per traveler.
Flights from San Francisco (SFO) to Boston (BOS)
Origin airport
San Francisco Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Popular airline
American Airlines
Distance
4315 km
Average flight time
8 hours 36 mins