Flights Boston → San Francisco — September 14, 2026

One way · Economy · 1 adult · price per person

The cheapest direct flight observed for Monday, September 14, 2026 on the Boston–San Francisco route: JetBlue B6413, from Boston Logan (BOS) to San Francisco International (SFO), departs 9:30 PM, arrives 12:56 AM the next day, direct, 6h 26m, $329 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 4, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time.

Cheapest direct flight observed

JetBlue B6413

Direct · Boston Logan (BOS) → San Francisco International (SFO)

Direct

9:30 PM

Mon, Sep 14

Boston Logan (BOS)

6h 26m

direct

12:56 AM⁺¹

Tue, Sep 15

San Francisco International (SFO)

Airline: JetBlue (B6)
Flight: B6413
Departure: Boston Logan (BOS) · September 14, 2026 · 9:30 PM local time (UTC-4)
Arrival: San Francisco International (SFO) · September 15, 2026 · 12:56 AM local time (UTC-7) · next day
Stops: Direct (no plane change, as stated by the source; it can include a stop)
Duration: 6h 26m
Carry-on bag: included
Checked bag: not included
Changes: not allowed
Refund: non-refundable
Last observed price: $329 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 4, 2026 · read by AirSource on September 10, 2026, 20:48 UTC · more than 48 hours ago

Looking for other times? All Boston–San Francisco flights on September 14, 2026 on Aviasales.

Cheapest direct flight observed

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