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San Francisco to Boston

  • SFO, United States – BOS, United States
  • Alaska
  • Economy
Boston
$308
Round trip, in USD
via AranGrant · travel agency
Alaska direct: $317
Checked
DepartsJan 23, 2027
ReturnsJan 29, 2027

Compare links search this route and dates. Prices there can differ.

$0.06
Cost per mile
5,395
Miles

Flight segments

SFO to SEA · AS · AS 591
SEA to BOS · AS · AS 460
BOS to SEA · AS · AS 459
SEA to SFO · AS · AS 688

Available dates

Prices in USD. Each option opens its own dates on Google Flights.

Oldest price check:

Available flight dates and booking prices
Departs Returns Airline Price Checked Booking link
Jan 21, 2027 Jan 27, 2027 — $328 View flights
Jan 22, 2027 Jan 28, 2027 — $328 View flights
Jan 23, 2027 Jan 29, 2027 Alaska $308 Lowest View flights
Jan 24, 2027 Jan 30, 2027 — $337 View flights
Jan 25, 2027 Jan 31, 2027 — $317 View flights

This is an economy deal to Boston from San Francisco on Alaska for Jan 23, 2027 – Jan 29, 2027.

Priced at $308 round trip. The route covers 5,395 miles round trip.

Boston is one of North America’s most rewarding city breaks, pairing deep American history with a compact, walkable layout and a lively contemporary edge. Visitors come for the Freedom Trail, which links landmark sites from the Revolutionary era, but stay for the city’s mix of ivy-covered institutions, waterfront views, and distinct neighborhoods. Beacon Hill’s brick row houses and gas lamps offer a classic old-Boston atmosphere, while the North End delivers narrow streets, historic churches, and some of the city’s best Italian food. Across the Charles River, Cambridge adds a strong intellectual and cultural dimension, and areas like Back Bay, the Seaport, and the South End showcase Boston’s modern side with shopping, museums, galleries, and a growing dining scene.

The best times to visit are spring and fall, when the weather is generally pleasant and the city’s parks and waterfront are at their most inviting. Autumn is especially appealing for crisp air and colorful foliage, while late spring brings mild temperatures and a busy calendar of outdoor events. Boston’s food culture reflects its coastal setting and immigrant history, from clam chowder, lobster rolls, and oysters to Italian pastries and neighborhood bakeries. Add in world-class museums, live music, college-town energy, and a strong sports culture, and Boston becomes an easy choice for travelers looking for a destination that feels both historically significant and very much alive.

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