$159 Cheap American Airlines flights Boston (BOS) to San Francisco (SFO)

View $159 flight on Wed, Jun 10, 2026Opens in a new window

$159 Cheap American Airlines flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $159 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 23 - Tue, Jun 9
BOS
Boston
SFO
San Francisco
$312 Roundtrip, found 5 days ago
$312
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 23 from Boston to San Francisco, returning Tue, Jun 9, priced at $312 found 5 days ago
American Airlines
Sat, May 23 - Tue, Jun 9
BOS
Boston
SFO
San Francisco
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 23 from Boston to San Francisco, returning Tue, Jun 9, priced at $317 found 5 days ago

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

May is typically the cheapest month to fly

From $160 - $298 per traveler.

Travel information

Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
JetBlue Airways
Distance
4315 km
Average flight time
3 hours 42 mins

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