Flights from San Francisco to Boston
SFO
San Francisco
22h 21m avg
BOS
Boston
Flights from
$322
Compare 1 options across 1 airline
Updated 2 months ago
$322
Cheapest Flight
$322
Average Price
0
Direct Flights
1
Airlines
Compare All SFO to BOS Flights
Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.
1 of 1 flight
| Airline | Schedule | Stops | Duration | Price | |
|---|---|---|---|---|---|
UA
UA · 1665
|
23:05
SFO
21:26
BOS
|
0 stop(s) | 22h 21m | $322 Best | Book → |
No flights match the current filters. Try clearing them.
Airport Information
Key details about departure and arrival airports for this route
SFO
San Francisco International Airport
City: San Francisco
Country: US
Type: Large Airport
Elevation: 13 ft
SFO Airport Guide →
Country: US
Type: Large Airport
Elevation: 13 ft
BOS
Boston Logan International Airport
City: Boston
Country: US
Type: Large Airport
Elevation: 20 ft
BOS Airport Guide →
Country: US
Type: Large Airport
Elevation: 20 ft
Tips for San Francisco to Boston Flights
Save money and travel smarter with these route-specific tips
When to Book
Book SFO–BOS flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.
Price Trends
The average fare is $322, but prices as low as $322 are available.
Direct vs Connecting
No direct flights currently listed. Consider flexible dates or nearby airports for better connections.
Flexible Dates
Flying midweek (Tuesday–Thursday) on SFO–BOS is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.
Top Hotels in Boston
Book accommodation at your destination — top-rated stays near BOS airport
Frequently Asked Questions
Everything you need to know about flying SFO to BOS
What is the cheapest flight from San Francisco to Boston?
The cheapest flight from San Francisco (SFO) to Boston (BOS) currently starts at $322 with UA. Prices are updated regularly and may vary by date and availability.
How many airlines fly from SFO to BOS?
We found 1 airline(s) operating on the SFO–BOS route, including UA.
Are there direct flights from San Francisco to Boston?
No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.
What is the average flight price on this route?
The average flight price from San Francisco to Boston is approximately $322. Prices range from $322 to $322 depending on airline, time, and class.
How long is the flight from SFO to BOS?
The average flight duration from San Francisco to Boston is approximately 22 hours 21 minutes. Direct flights are typically shorter than connecting options.
What is the baggage allowance on SFO–BOS flights?
Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.
From
$322
Book Cheapest →
Other Flights from San Francisco
Explore more destinations departing from SFO