Round trip from
$216
4 Dec – 7 Dec · Frontier Airlines · 2 stops
found 4 days ago
Direct flights from
$474
27 Nov – 30 Nov · jetBlue
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Come back here when you have your fare. For this trip you may also want:
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4334 km
Distance
-
5 h 31 min
Shortest flight
-
33%
Direct flights
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6
Airlines
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$119
One way from
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$216
Round trip from
The route at a glance
About 4334 km separate San Francisco and Boston; the quickest flight is 5 h 31 min and a typical one 7 h 16 min.
33% of the cheapest tickets are direct; Frontier Airlines carries 33% of them.
Most cheap flights leave from San Francisco International Airport (18 km from the centre of San Francisco).
Most land at Logan International Airport (3 km from the centre of Boston).
A one-way ticket starts at $119, a round trip at $216.
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $474 |
| December 2026 | $216 |
| March 2027 | $472 |
Cheapest day to fly
Looking two months ahead, 5 November is the cheapest date to leave, at $175.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 4 $176 |
5 $175 |
6 $175 |
7 $175 |
Cheaper More expensive
- $175 — Thursday, Nov. 5, 2026
- $175 — Friday, Nov. 6, 2026
- $175 — Saturday, Nov. 7, 2026
- $176 — Wednesday, Nov. 4, 2026
Price trend, last 30 days
Over the last 30 days the fare moved between $216 and $378, averaging $307.
Today's price is 30% below that average — a good moment to book.
- 6 October — $317
- 11 October — $317
- 16 October — $317
- 21 October — $378
- 26 October — $299
- 31 October — $216
Trip length and timing
The cheapest tickets are for stays of about 3 nights (the very cheapest: 3 nights), booked around 34 days ahead.
Airlines on this route
Airports used
Trip essentials
Car rental in Boston
Pick up a car at the airport.
Mobile data in Boston
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Airport transfer in Boston
A fixed-price ride from the airport, booked ahead.
by Kiwitaxi
Flight delayed or cancelled?
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Flight deals from San Francisco in Telegram
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Questions and answers
- What is the cheapest price for flights from San Francisco to Boston?
- The cheapest round-trip ticket found recently costs $216.
- Which month is the cheapest to fly from San Francisco to Boston?
- December 2026 is currently the cheapest month, with tickets from $216.
- Are there direct flights from San Francisco to Boston?
- Yes. Direct flights were found from $474.
- Which airlines fly from San Francisco to Boston?
- Airlines found on this route: American Airlines, Alaska Airlines, jetBlue, Frontier Airlines, United Airlines, Southwest Airlines.
- How far is Boston from San Francisco?
- The distance is about 4334 km. A direct flight takes about 5 h 31 min.
- How long is the flight from San Francisco to Boston?
- The shortest flight takes 5 h 31 min; most take about 7 h 16 min.
- Which airports do flights from San Francisco to Boston use?
- Most depart from San Francisco International Airport and arrive at Logan International Airport.