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San Francisco to Boston

  • SFO, United States – BOS, United States
  • Alaska
  • Economy
Boston

Photo: Kareya Saleh / Unsplash

$287
Round trip, in USD
About usual: fares on this route are usually $277 to $352. The lowest we saw in the past year was $178 (202 sightings).
DepartsJan 6, 2027
ReturnsJan 12, 2027

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$0.05
Cost per mile
5,395
Miles

Flight segments

SFO to SEA · Alaska · AS 620
SEA to BOS · Alaska · AS 460
BOS to SEA · Alaska · AS 459
SEA to SFO · Alaska · AS 688

Hotels in Boston

Jan 6–12 · 6 nights

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Available dates

Prices in USD.

Oldest price check:

Available flight dates and booking prices
Departs Returns Airline Price Checked Booking link
Dec 1, 2026 Dec 8, 2026 Alaska $307 View flights
Dec 4, 2026 Dec 7, 2026 Alaska $307 View flights
Jan 6, 2027 Jan 12, 2027 Alaska $287 Lowest View flights
Feb 1, 2027 Feb 7, 2027 JetBlue $297 View flights

This is an economy deal to Boston from San Francisco on Alaska for Jan 6, 2027 – Jan 12, 2027.

Priced at $287 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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