San Francisco (SFO) → Boston (BOS)

4,341 km
5h 56m flight
From $400
Boston destination photo

About San Francisco to Boston Flights

Discover the best flights from San Francisco to Boston, covering 4,341 km in approximately 5h 56m. San Francisco (SFO) to Boston (BOS) is one of the popular medium-haul routes within United States. With 4 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from San Francisco to Boston.

12-Month Price History

Flight prices from San Francisco to Boston vary significantly throughout the year. February typically offers the best deals with average prices around $612, while July sees the highest prices, averaging $1036. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

33 days

For best prices

Booking Tips

For the best prices on San Francisco to Boston flights, we recommend booking 83 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Delta Air Lines

DL

Economy

$920

Business

$3220

First

$6430

JetBlue Airways

B6

Economy

$930

Business

$2230

First

-

United Airlines

UA

Economy

$990

Business

$3870

First

$5760

Alaska Airlines

AS

Economy

$1080

Business

$3550

First

$6390

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Boston destination photo

San JoseBoston

San Jose International (SJC) to Logan International (BOS)

Distance: 4,316 km

Average price: $747

View this route →
Boston destination photo

OaklandBoston

Oakland International (OAK) to Logan International (BOS)

Distance: 4,324 km

Average price: $749

View this route →
Boston destination photo

SacramentoBoston

Sacramento International (SMF) to Logan International (BOS)

Distance: 4,231 km

Average price: $735

View this route →
Boston destination photo

San JoseBoston

San Jose International (SJC) to Logan International (BOS)

Distance: 4,316 km

Average price: $747

View this route →

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Frequently Asked Questions

How long is the flight from San Francisco to Boston?

The flight time from San Francisco (SFO) to Boston (BOS) is approximately 5 hours and 56 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between San Francisco and Boston?

The aerial distance between San Francisco and Boston is 4,341 kilometers (2,697 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from San Francisco to Boston?

Several airlines operate flights between San Francisco and Boston, including Delta Air Lines, United Airlines, Alaska Airlines and 1 more airlines. Direct flights are available on this route.

What is the cheapest month to fly from San Francisco to Boston?

Based on historical data, February typically offers the lowest airfares for flights from San Francisco to Boston. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Boston?

For the best prices on San Francisco to Boston flights, we recommend booking 46 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.

Do I need a visa to travel from San Francisco to Boston?

Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.

What is the time difference between San Francisco and Boston?

San Francisco operates on America/Los_Angeles time zone, while Boston is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.