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Boston to San Francisco

  • BOS, United States – SFO, United States
  • Alaska
  • Economy
San Francisco

Photo: Maarten van den Heuvel / Unsplash

$277
Round trip, in USD
DepartsDec 11, 2026
ReturnsDec 14, 2026

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

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$0.05
Cost per mile
5,395
Miles

Flight segments

BOS to SEA · Alaska · AS 215
SEA to SFO · Alaska · AS 688
SFO to SAN · Alaska · AS 2358
SAN to BOS · Alaska · AS 390

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
Dec 11, 2026 Dec 14, 2026 Alaska $277 Lowest View flights

This is an economy deal to San Francisco from Boston on Alaska for Dec 11, 2026 – Dec 14, 2026.

Priced at $277 round trip. The route covers 5,395 miles round trip.

San Francisco is one of North America’s most distinctive city breaks, drawing travelers with its dramatic bay setting, compact neighborhoods, and easy mix of iconic sights and local character. The city rewards visitors with postcard views from the Golden Gate Bridge and Twin Peaks, waterfront strolls at Fisherman’s Wharf and the Embarcadero, and a rich urban landscape that ranges from the historic cable cars to the ornate streets of Pacific Heights and the Mission’s murals. It’s also a city best explored neighborhood by neighborhood, from the steep charm of Nob Hill to the independent shops, cafés, and Victorian homes of the Haight and Noe Valley.

The best times to visit are generally spring through fall, when the weather is often clearest and most comfortable, though San Francisco’s famously cool, changeable climate means layers are useful year-round. Beyond the landmarks, the city stands out for its food and culture: fresh seafood, sourdough bread, and a strong farm-to-table dining scene sit alongside exceptional Chinese, Vietnamese, Mexican, and Filipino cuisine. Museums, live music, theaters, and a long history of counterculture and activism give the city depth well beyond its scenery, making it a compelling destination for travelers who want both classic sights and a strong sense of place.

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