Cheap flights from San Francisco to Boston from $110
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Boston departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Hawaiian Airlines flights from San Francisco to Boston
Our best Hawaiian Airlines deals on San Francisco to Boston flight tickets
Delta flights from San Francisco to Boston
Our best Delta deals on San Francisco to Boston flight tickets
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How to get the cheapest flight ticket from San Francisco to Boston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Boston?
In general, January is the cheapest month to fly from San Francisco to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $314. If you aren’t able to travel during the month of January, then book flights to Boston from San Francisco during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $317.
What is the cheapest day to depart on your flight to Boston?
The cheapest day to depart from San Francisco to Boston is on a Tuesday when prices can be found for as low as $369. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $471.
What is the cheapest time of day to depart on your flight to Boston?
According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Francisco to Boston in the afternoon for as low as $344. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $428 per ticket.
What is the cheapest San Francisco to Boston Logan Intl flight route?
Fly from San Francisco to Boston Logan Intl for the best San Francisco - Boston Logan Intl flight prices
How far in advance should I book a flight to Boston?
You are more likely to see cheaper flights to Boston from San Francisco when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $373 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Francisco for as low as $334 on momondo.
What cabin class options are available on San Francisco to Boston Logan Intl flights?
There are 4 cabin classes available to choose from on San Francisco to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to Boston Logan Intl?
Hawaiian Airlines, Delta, and United Airlines are the most popular carriers operating from San Francisco to Boston Logan Intl
What airlines fly to Boston?
JetBlue, Delta and United Airlines are the top three most popular airlines that fly to Boston from San Francisco according to our data. JetBlue is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 10 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Boston on average per day?
As of June 2025, there are 41 flights per day flying from San Francisco to Boston. The most common time of day flights depart is 8:00PM, with 47% of flights taking off at noon.
How many flights depart from San Francisco to Boston on average per week?
288 flights are operational weekly from San Francisco to Boston as of June 2025. The most popular departure day for this route is Thu, with 22% of flights per week taking off on this day.
When to book flights from San Francisco to Boston
Cheap San Francisco to Boston (SFO to BOS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Boston
How far is San Francisco to Boston Logan Intl by plane?
San Francisco and Boston Logan Intl are 2690.2 mi apart from one another. Flights usually cover this in 5h 38m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Francisco Airport to Boston Logan Intl Airport?
Prices for flights from San Francisco Airport to Boston Logan Intl Airport are updated daily.
How many operators does momondo search for flights from San Francisco Airport to Boston Logan Intl Airport?
As of June 2025, there are 9 operators available to choose from for flights from San Francisco Airport to Boston Logan Intl Airport.
How old do you have to be to fly from San Francisco Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Boston?
Based on momondo bookings for flights between San Francisco and Boston, the leading plane model is Boeing 737 MAX 9, making up 28.34% of the total bookings. Other popular models include Airbus A321neo with 23.94%, Airbus A318/A319/A320/A321 with 16.36%, and Boeing 737 with 15.08%.
What is the most popular airline from San Francisco to Boston?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Boston is JetBlue, representing 39% of all bookings. The subsequent popular airlines are United Airlines at 23%, Delta at 22%, and Alaska Airlines at 10%.
Best airlines flying from San Francisco to Boston
Compare and see reviews for airlines that fly from San Francisco to Boston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $110 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $160 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $163 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $195 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $227 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 8.0 4,287 reviews |
Delta Flights From San Francisco to Boston
Delta operates around 14 flights from San Francisco to Boston every week. The average price of these flights found in the last 72 hours has been $371, but momondo users have found Delta deals from San Francisco to Boston from as low as $163 round-trip. Delta has been scored 8.0/10 in 7,950 reviews.
Alaska Airlines Flights From San Francisco to Boston
Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from San Francisco to Boston about 4 times each week, with ticket deals ranging from $228 to $418. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Boston?
It is quick and easy to find San Francisco to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.
Can I find flights from San Francisco to Boston with flexible booking policies on momondo?
momondo does allow users to show only those flights to Boston from San Francisco which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Francisco to Boston?
momondo helps you find the best flight between San Francisco and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to Boston right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from San Francisco and alert you when they change.