Question 1

How popular is this San Francisco to Boston flight route?

Accepted Answer

The San Francisco to Boston Logan Intl flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season. Find deals

Question 2

What are the cheapest airlines flying from San Francisco to Boston round-trip?

Accepted Answer

Currently priced at $357, JetBlue will fly you from San Francisco to Boston and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $367 and $376, respectively. JetBlue is 40% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

Question 3

What are the cheapest airlines to fly from San Francisco to Boston one-way?

Accepted Answer

The cheapet airlines for a one-way flight from San Francisco to Boston are JetBlue ($184), United Airlines ($186), and Alaska Airlines ($199). Find deals

Question 4

How far ahead should I book a flight from San Francisco to Boston?

Accepted Answer

The best time to book flights from San Francisco to Boston is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight. Find deals

Question 5

What is the cheapest month to book a flight from San Francisco to Boston?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from San Francisco to Boston (average of $1,183). Flying from San Francisco to Boston in December is currently the most expensive (average of $1,631). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

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

Accepted Answer

Travellers seeking maximum savings on their San Francisco to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from San Francisco to Boston

Accepted Answer

The most flights from SFO to BOS are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Question 10

What are the most reliable airlines from San Francisco to Boston?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from San Francisco to Boston consider choosing Etihad Airways(100%), American Airlines(94%) or Fiji Airways(94%), as they are the most reliable in getting you off to your destination on time.

Question 11

What is the cheapest day to fly return from San Francisco to Boston?

Accepted Answer

Travellers have found that booking a Tuesday departure is the best way to save up to 139% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 12

How far in advance should I book a flight from San Francisco to Boston?

Accepted Answer

To save on the cost of your flight from San Francisco to Boston, book at least 51 days before your planned departure. Booking around this time can save you about 60% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $631 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $807.

Question 13

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

Accepted Answer

Flights from San Francisco to Boston lean towards being more expensive in June. Prices are generally better when you fly from San Francisco to Boston in February, with the cheapest ticket starting at $166.

Question 14

What is the cheapest time of day to fly from SFO to BOS?

Accepted Answer

It’s optimal to fly from San Francisco to Boston at midday. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.

Question 15

What airports do I use to fly from San Francisco to Boston?

Accepted Answer

Booking a flight from San Francisco (SFO) to Boston Logan Intl (BOS) is your only option if you wish to fly from San Francisco to Boston. On a typical day, there are 30 flights from San Francisco to Logan Intl, all of which are around 5h 34m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Boston.

Question 16

Can I find deals for flights from San Francisco to Boston that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Francisco to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from San Francisco to Boston?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Boston.

Question 18

Can I find deals for business class flights from San Francisco to Boston?

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from San Francisco to Boston?

Accepted Answer

When you search for this flight from San Francisco to Boston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 20

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Boston?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 21

Can Cheapflights find flights from San Francisco to Boston with no change fees?

Accepted Answer

Certainly. Search results for flights to Boston from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 22

Can Cheapflights notify me if prices for flights from San Francisco to Boston become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on San Francisco to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	$357
One-way from	$184
Popular in	June
Cheapest in	February
Average price	$528

Cheap flights from San Francisco to Boston from $184

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Boston

Cheapest flights from San Francisco to BostonExplore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2025.

Explore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2025.

Find flights from San Francisco to Boston within your budget

Best time to book a flight from San Francisco to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco with our price prediction graph.

Travel insights for flights from San Francisco to Boston

Get recent, data-driven insights about flights from San Francisco to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to Boston?

Use this chart to determine the optimal time to book a return flight from San Francisco to Boston. Price data was last updated on 17 January 2025.

What is the cheapest month to book a flight from San Francisco to Boston?

What is the cheapest time of day to fly from SFO to BOS?

Find hourly flight availability from San Francisco to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 January 2025.

Weekly flight availability from San Francisco to Boston

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

Reviews of airlines servicing Boston

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Francisco to Boston?

How popular is this San Francisco to Boston flight route?

What are the cheapest airlines flying from San Francisco to Boston round-trip?

What are the cheapest airlines to fly from San Francisco to Boston one-way?

What are the most reliable airlines from San Francisco to Boston?

Can I find deals for flights from San Francisco to Boston that include hotel bookings?

How can I find direct flights from San Francisco to Boston?

Can I find deals for business class flights from San Francisco to Boston?

What is the cheapest month to book a flight from San Francisco to Boston?

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Francisco to Boston

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Boston?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Boston?

Can Cheapflights find flights from San Francisco to Boston with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Boston become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Francisco to Boston
Explore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2025.