Cheap flights from Boston to San Francisco from $79
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 9/18. 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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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs
Find the cheapest one-way flights from Boston to San Francisco
If you're looking for one-way flights from Boston to San Francisco, view some of our deals below provided by Alaska Airlines, Frontier and JetBlue
Find the cheapest direct flights from Boston to San Francisco
Search last-minute flights to San Francisco from Boston
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Delta flights from Boston to San Francisco
Our best Delta deals on Boston to San Francisco flight tickets
JetBlue flights from Boston to San Francisco
Our best JetBlue deals on Boston to San Francisco flight tickets
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 cheapest month to fly from Boston to San Francisco?
February. The cheapest time of year to fly to San Francisco from Boston is February. Most expensive is June
What is the cheapest day to depart Boston for San Francisco?
Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Sunday
When is the cheapest time to fly from Boston to San Francisco?
In the evening. Boston to San Francisco flights are approximately 21% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to San Francisco from Boston?
Spirit Airlines. Spirit Airlines, Sun Country Air, and American Airlines are the most popular carriers operating from Boston to San Francisco
What is the cheapest Boston to San Francisco flight route?
Boston Logan Intl - San Francisco. Fly from Boston Logan Intl to San Francisco for the best Boston - San Francisco flight prices
How far in advance should you book Boston to San Francisco flights?
52 days before. The cheapest time to buy a flight from Boston to San Francisco is approximately 52 days to departure
How many flights depart from Boston to San Francisco on average per day?
As of July 2024, there are 44 flights per week flying from Boston to San Francisco. The most common time of day flights depart is 6:00PM, with 52% 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 312 per week as of July 2024. The most frequent departure day is Monday, with 16% of weekly flights leaving on this day.
What cabin class options are available on Boston to San Francisco flights?
There are 4 cabin classes available to choose from on Boston to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Boston to San Francisco flight prices changed over time?
As of July 2024, prices for Boston to San Francisco flights are approximately 12% cheaper when compared to flights at the same time last year.
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 | $79 |
|---|---|
Fastest flight time | 6h 23m |
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 23m.
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 July 2024, there are 9 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.
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 $89 | Free Cancellation | Rating 6.3 8,407 reviews | |||
| PriceFrom $112 | Free Cancellation | Rating 8.0 9,365 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 9,630 reviews | |||
| PriceFrom $121 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 7.6 3,996 reviews | |||
| PriceFrom $171 | Free Cancellation | Rating 7.0 515 reviews | |||
| PriceFrom $182 | Free Cancellation | Rating 7.4 10,000 reviews |
Alaska Airlines Flights From Boston to San Francisco
The lowest priced Alaska Airlines flight from Boston to San Francisco from the last 72 hours was $112. Generally, Alaska Airlines has 8 flights on this route every week with an average price of $375. Alaska Airlines is rated 8.0/10 by our users.
Delta Flights From Boston to San Francisco
The best Delta deal for Boston to San Francisco flight tickets found on momondo in the last 72 hours was $118, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $345 round-trip. Delta operates 3 flights out of Boston into San Francisco in an average week, so prices vary by time and availability. 9,630 Delta reviews by users on momondo have scored the airline at 8.0/10.
Why 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.