Cheap flights from Boston to San Francisco
Flights overview
Prices shown are for one adult in Economy class flights from Zürich to New York. This includes the cheapest Business class options where available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Useful information for finding cheap flights from Boston to San Francisco and booking your next trip
| Cheapest round-trip flights | $264 |
Frontier
1 stop
11 hr
Mon, Jun 1 — Tue, Jun 9
|
The cheapest round-trip flight from Boston to San Francisco is currently $264 | |
|---|---|---|---|---|
| Cheapest one-way flight | $110 |
Frontier
1 stop
11 hr
Fri, May 29
|
The cheapest one-way flight from Boston to San Francisco is currently $110 | |
| Cheapest nonstop flights | $297 |
United
Nonstop
7 hr
Sat, May 23 — Sat, May 30
|
The cheapest nonstop round-trip flight from Boston to San Francisco is currently $297 | |
| Last-minute weekend getaway | $370 |
Frontier
1 stop
15 hr
Sat, Apr 25 — Mon, Apr 27
|
The cheapest last-minute weekend getaway from Boston to San Francisco is currently $370 | |
| Cheapest business class flights | $766 |
Frontier
1 stop
15 hr
Fri, Apr 24 — Sat, May 2
|
The cheapest business class round-trip flight from Boston to San Francisco is currently $766 | |
| Fastest flight | 6 hr 27 min | The fastest nonstop flight from Boston to San Francisco takes 6 hr 27 min |
|---|---|---|
| Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for 1-week trips from Boston to San Francisco per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from Boston to San Francisco is typically January. The most expensive month to fly is typically April.
| January Cheapest
|
Typical prices: $215–365 |
|---|---|
| April Most expensive
|
Typical prices: $255–440 |
Popular airlines from Boston to San Francisco
Popularity is based on the number of weekly nonstop and connecting flights the airline operates. Connecting flights do not include interline routes.
Flight suggestions are based on an airline's cheapest round-trip fares from Boston to San Francisco in the next 3 months. Prices include required taxes + fees for one adult. Optional charges and bag fees may apply.
Typical prices are based on fares observed in the past year for one-week round trips with the same origin, destination, and airline.
- UnitedNonstopfrom $317Typical price: $255–50039 weekly nonstop flightsBOS - SFO Every day411 weekly connecting flightsBOS - SFO Every day
- JetBlueNonstopfrom $347Typical price: $255–57033 weekly nonstop flightsBOS - SFO Every day43 weekly connecting flightsBOS - SFO Every day
- DeltaNonstopfrom $322Typical price: $280–60020 weekly nonstop flightsBOS - SFO Every day306 weekly connecting flightsBOS - SFO Every day
- Americanfrom $342Typical price: $275–560396 weekly connecting flightsBOS - SFO Every day
- Southwestfrom $367Typical price: $295–560157 weekly connecting flightsBOS - SFO Every day
- Alaskafrom $340Typical price: $295–70044 weekly connecting flightsBOS - SFO Every day
Popular airports near Boston
Distance and driving time are relative to the city center. Airports are listed based on distance from Boston center and popularity with travelers.
- Boston Logan International Airport (BOS)Boston United States 12 min 2 mi
- John F. Kennedy International Airport (JFK)New York United States 3 hr 36 min 184 mi
- LaGuardia Airport (LGA)New York United States 3 hr 25 min 181 mi
- Rhode Island T.F. Green International Airport (PVD)Providence United States 1 hr 7 min 47 mi
Popular airports near San Francisco
Distance and driving time are relative to the city center. Airports are listed based on distance from San Francisco center and popularity with travelers.
- San Francisco International Airport (SFO)San Francisco United States 20 min 11 mi
- Oakland San Francisco Bay Airport (OAK)Oakland United States 28 min 11 mi
- Sacramento International Airport (SMF)Sacramento United States 1 hr 35 min 78 mi
- San Jose Mineta International Airport (SJC)San Jose United States 52 min 39 mi
Frequently asked questions about flying from Boston to San Francisco
The cheapest flights from Boston to San Francisco are usually in January. Typical ticket prices in January range from $215 to $365.
The cheapest round-trip flight from Boston to San Francisco recently found on Google Flights was with Frontier from $264. The cheapest one-way flight was with Frontier from $110.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest United flight from Boston to San Francisco is $317, flying from Jul 11 to Jul 18.
- The cheapest JetBlue flight from Boston to San Francisco is $347, flying from May 28 to Jun 5.
- The cheapest Delta flight from Boston to San Francisco is $322, flying from May 2 to May 9.
- The cheapest American flight from Boston to San Francisco is $342, flying from May 28 to Jun 3.
- The cheapest Southwest flight from Boston to San Francisco is $367, flying from May 30 to Jun 8.
- The cheapest Alaska flight from Boston to San Francisco is $340, flying from May 30 to Jun 6.
The cheapest round-trip flight from Boston to San Francisco starts at $264 from Mon, Jun 1 to Tue, Jun 9. The cheapest one-way flight starts at $110 and departs on Fri, May 29.
6 hr 27 min is the shortest flight time from Boston to San Francisco.
Apr–Dec is when most people visit San Francisco, with crowds peaking in summer. Although average temperatures are higher then, mornings and evenings often have damp, chilly fog. In summer, street fairs and cultural institutions offer free outdoor entertainment. Winter visitors will find the opera and ballet seasons in full swing. Major annual events include Chinese New Year (Feb), Bay to Breakers footrace (May), San Francisco Pride parade and festival (Jun), and San Francisco Fleet Week (Oct).
It's easy to use Google Flights to find the cheapest days to fly from Boston to San Francisco.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Boston to San Francisco really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Boston to San Francisco.
In terms of nonstop flights, United is the most popular. United offers 39 nonstop flights and 411 connecting flights per week. United flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
Other popular airlines flying from Boston to San Francisco are:
In terms of nonstop flights, United is the most popular. United offers 39 nonstop flights and 411 connecting flights per week. United flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
Other popular airlines flying from Boston to San Francisco are:
- JetBlue offers 33 nonstop flights and 43 connecting flights per week. JetBlue flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
- Delta offers 20 nonstop flights and 306 connecting flights per week. Delta flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
- American offers 396 connecting flights per week. American flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
- Southwest offers 157 connecting flights per week. Southwest flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
- Alaska offers 44 connecting flights per week. Alaska flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) .
The cheapest round-trip flight from Boston to San Francisco recently found on Google Flights was with Frontier from $264. The cheapest one-way flight was with Frontier from $110.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest United flight from Boston to San Francisco is $317, flying from Jul 11 to Jul 18.
- The cheapest JetBlue flight from Boston to San Francisco is $347, flying from May 28 to Jun 5.
- The cheapest Delta flight from Boston to San Francisco is $322, flying from May 2 to May 9.
- The cheapest American flight from Boston to San Francisco is $342, flying from May 28 to Jun 3.
- The cheapest Southwest flight from Boston to San Francisco is $367, flying from May 30 to Jun 8.
- The cheapest Alaska flight from Boston to San Francisco is $340, flying from May 30 to Jun 6.
United, JetBlue and Delta fly direct from Boston to San Francisco.
- There are 39 United direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 33 JetBlue direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 20 Delta direct flights from Boston to San Francisco per week. Flights are available every day.
The cheapest last-minute deal between Boston and San Francisco at price $370 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.
United, JetBlue and Delta fly direct from Boston to San Francisco.
- There are 39 United direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 33 JetBlue direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 20 Delta direct flights from Boston to San Francisco per week. Flights are available every day.
There are direct flights from Boston to San Francisco on a daily basis.
The cheapest direct (nonstop) round-trip flights between Boston and San Francisco start at $297 from Sat, May 23 to Sat, May 30 with United.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Boston to San Francisco, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Boston and San Francisco start at $766 from Fri, Apr 24 to Sat, May 2 with Frontier.
The cheapest economy class round-trip flights between Boston and San Francisco start at $264 from Mon, Jun 1 to Tue, Jun 9.
To book business class trips from Boston to San Francisco, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.
You can also adjust the trip type to view one-way fares.
You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Boston and San Francisco starts at $370 from Sat, Apr 25 to Mon, Apr 27 with Frontier.
The cheapest last-minute deal between Boston and San Francisco at price $370 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.
To find last-minute flight deals from Boston to San Francisco, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
Search more flights
Popular trips from Boston
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
-
Seattle$287May 23 — May 301 stop 10 hr 3 min United
-
Los Angeles$227Aug 29 — Sep 51 stop 6 hr 14 min United
-
Orlando$66May 11 — May 20Nonstop 3 hr 23 min Frontier
-
London$670Aug 29 — Sep 61 stop 10 hr 5 min Icelandair
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