Cheap flights from San Francisco to Boston from $182
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 21/10. 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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Alaska Airlines flights from San Francisco to Boston
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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 $478. The month of February is another great option to travel to Boston, with average flight prices from San Francisco averaging around $484.
What is the cheapest day to depart on your flight to Boston?
On average, the least expensive day to fly to Boston from San Francisco is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $284. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $558. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.
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 morning. momondo users have found flights departing from San Francisco to Boston in the morning for as low as $404. 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 evening is when there is more demand to fly to Boston, so prices are often more expensive at around $558 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 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $571 when searching weeks before you fly. 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 $511 on momondo.
What cabin class options are available on San Francisco to Boston Logan Intl flights?
There are 2 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.
How many flights depart from San Francisco to Boston on average per day?
45 flights are operational daily from San Francisco to Boston as of July 2025. The most popular departure time for this route is 21:00, with 48% of flights per day taking off at midday.
How many flights depart from San Francisco to Boston on average per week?
321 flights are operational weekly from San Francisco to Boston as of July 2025. The most popular departure day for this route is Mon, with 18% 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?
Boston Logan Intl is 4329.4 km away from San Francisco. Typically, this will take 5h 38m by plane in normal conditions.
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 were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Boston Logan Intl Airport?
As of July 2025, there is 1 operator 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 licence, 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 this flight route, the most popular plane model on flight routes from San Francisco to Boston is Boeing 737 MAX 9 (28.78% of total bookings). The next most popular plane models are Airbus A321neo (25.40%), Airbus A318/A319/A320/A321 (16.43%), and Boeing 737 (14.82%).
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 100% of all bookings.
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 $284 | Free cancellation | Rating 7.3 2,919 reviews |
JetBlue Flights From San Francisco to Boston
JetBlue flies from San Francisco to Boston around 24 times per week, with 2,919 momondo users rating the airline 7.3/10. The cheapest JetBlue deal from San Francisco to Boston in the last 72 hours was $186 (round-trip), much lower than the average airfare cost of $286 for JetBlue flights on this route.
Travelling 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?
Yes. All flights to Boston from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco to Boston?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from San Francisco.
I’m not ready to book a flight from San Francisco to Boston right now. Can momondo alert me if prices change?
Price alerts on flights to Boston from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.