A city street with a historic building labeled 'QUINCY MARKET,' trees with autumn leaves, and modern high-rise buildings.

$147 Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

View $147 flight on Tue, Sep 1, 2026Opens in a new window

$147 Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $147 for one-way flights and $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 19 - Wed, Aug 26
SFO
San Francisco
BOS
Boston
$270 Roundtrip, found 1 hour ago
$270
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 19 from San Francisco to Boston, returning Wed, Aug 26, priced at $270 found 1 hour ago
Frontier Airlines
Tue, Sep 1 - Sat, Sep 5
SFO
San Francisco
BOS
Boston
$276 Roundtrip, just found
$276
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from San Francisco to Boston, returning Sat, Sep 5, priced at $276 just found
Frontier Airlines
Tue, Sep 1 - Sat, Sep 5
SFO
San Francisco
BOS
Boston
$294 Roundtrip, just found
$294
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from San Francisco to Boston, returning Sat, Sep 5, priced at $294 just found

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $282
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $282

Travel information

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

Explore a world of travel with Expedia