Cheap flights from Boston to San Francisco from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Francisco departing on 5/10. 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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Hawaiian Airlines flights from Boston to San Francisco
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Frontier flights from Boston to San Francisco
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How to get the cheapest flight ticket from Boston to San Francisco
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 typical price of a round-trip flight between Boston and San Francisco?
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $331.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Boston to San Francisco is on a Wednesday when prices can be found for as low as $375. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $536.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Boston to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $321. Flights at noon are often more expensive with an average ticket price of $559.
What is the cheapest Boston Logan Intl to San Francisco flight route?
Fly from Boston Logan Intl to San Francisco for the best Boston Logan Intl - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Boston when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $363 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Boston for as low as $316 on momondo.
What cabin class options are available on Boston Logan Intl to San Francisco flights?
There are 4 cabin classes available to choose from on Boston Logan Intl to San Francisco 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 Boston Logan Intl to San Francisco?
Alaska Airlines, Frontier, and JetBlue are the most popular carriers operating from Boston Logan Intl to San Francisco
What airlines fly to San Francisco?
JetBlue, United Airlines and Delta are the top three most popular airlines that fly to San Francisco from Boston according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 11 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to San Francisco on average per day?
As of April 2025, there are 39 flights per day flying from Boston to San Francisco. The most common time of day flights depart is 6:00AM, with 40% of flights taking off at noon.
How many flights depart from Boston to San Francisco on average per week?
The number of flights available between Boston and San Francisco is 273 per week as of April 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.
When to book flights from Boston to San Francisco
Cheap Boston to San Francisco (BOS to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco
Best Price Found | $109 |
|---|---|
Fastest flight time | 6h 31m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Boston Logan Intl to San Francisco by plane?
The straight-line distance from Boston Logan Intl to San Francisco is 2690.2 mi. In terms of flight time, this usually takes a little over 6h 35m.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Airport?
Prices for flights from Boston Logan Intl Airport to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?
As of April 2025, there are 10 operators available to choose from for flights from Boston Logan Intl Airport to San Francisco Airport.
How old do you have to be to fly from Boston Logan Intl Airport to San Francisco 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 Boston Logan Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Boston to San Francisco is Airbus A321neo, representing 25.36% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 22.76%, Boeing 737 MAX 9 at 17.00%, and Boeing 757-200 at 11.37%.
What is the most popular airline from Boston to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to San Francisco is JetBlue (41% of total bookings). The next most popular airlines are United Airlines (25%), Delta (24%), and Alaska Airlines (6%).
Best airlines flying from Boston to San Francisco
Compare and see reviews for airlines that fly from Boston to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $84 | Free Cancellation | Rating 5.9 3,276 reviews | |||
| PriceFrom $129 | Free Cancellation | Rating 7.9 2,344 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $150 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $160 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $184 | Free Cancellation | Rating 8.0 9,825 reviews | |||
| PriceFrom $191 | Free Cancellation | Rating 7.3 2,920 reviews | |||
| PriceFrom $227 | Free Cancellation | Rating 7.4 8,616 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 8.0 4,274 reviews |
Delta Flights From Boston to San Francisco
The lowest priced Delta flight from Boston to San Francisco from the last 72 hours was $160. Generally, Delta has 3 flights on this route every week with an average price of $364. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Boston to San Francisco
The best Alaska Airlines deal for Boston to San Francisco flight tickets found on momondo in the last 72 hours was $184, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $403 round-trip. Alaska Airlines operates 5 flights out of Boston into San Francisco in an average week, so prices vary by time and availability. 9,825 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to San Francisco?
Finding the right flight to San Francisco from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.
Can I find flights from Boston to San Francisco with flexible booking policies on momondo?
All flight searches from Boston to San Francisco on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Boston to San Francisco?
Once all potential Boston to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Boston to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Boston to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.