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 | HK$1,689 | UnitedNonstop7 hrThu, Feb 5 — Wed, Feb 11 | The cheapest round-trip flight from Boston to San Francisco is currently HK$1,689 | |
|---|---|---|---|---|
| Cheapest one-way flight | HK$845 | UnitedNonstop7 hrWed, Feb 18 | The cheapest one-way flight from Boston to San Francisco is currently HK$845 | |
| Last-minute weekend getaway | HK$4,226 | JetBlueNonstop7 hrFri, Dec 26 — Sun, Dec 28 | The cheapest last-minute weekend getaway from Boston to San Francisco is currently HK$4,226 | |
| Cheapest business class flights | HK$8,639 | American1 stop13 hrMon, Jan 26 — Tue, Feb 3 | The cheapest business class round-trip flight from Boston to San Francisco is currently HK$8,639 |
| Fastest flight | 6 hr 47 min | The fastest nonstop flight from Boston to San Francisco takes 6 hr 47 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 February. The most expensive month to fly is typically June.
| February Cheapest | Typical prices: HK$1,600–2,900 |
|---|---|
| June Most expensive | Typical prices: HK$2,000–3,400 |
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 HK$1,689Typical price: HK$1,900–3,75034 weekly nonstop flightsBOS - SFOEvery day382 weekly connecting flightsBOS - SFOEvery day
- JetBlueNonstopfrom HK$1,689Typical price: HK$1,950–4,30026 weekly nonstop flightsBOS - SFOEvery day52 weekly connecting flightsBOS - SFOEvery day
- DeltaNonstopfrom HK$1,689Typical price: HK$2,000–4,45012 weekly nonstop flightsBOS - SFOEvery day242 weekly connecting flightsBOS - SFOEvery day
- AlaskaNonstopfrom HK$1,837Typical price: HK$2,100–4,9007 weekly nonstop flightsBOS - SFOEvery day52 weekly connecting flightsBOS - SFOEvery day
- Americanfrom HK$1,840Typical price: HK$2,050–4,200282 weekly connecting flightsBOS - SFOEvery day
- Southwestfrom HK$1,980Typical price: HK$2,450–4,450209 weekly connecting flightsBOS - SFOEvery 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)BostonUnited States12 min4 km
- John F. Kennedy International Airport (JFK)New YorkUnited States3 hr 40 min296 km
- LaGuardia Airport (LGA)New YorkUnited States3 hr 28 min292 km
- Rhode Island T.F. Green International Airport (PVD)ProvidenceUnited States1 hr 9 min76 km
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 FranciscoUnited States19 min17 km
- Oakland International Airport (OAK)OaklandUnited States27 min18 km
- Sacramento International Airport (SMF)SacramentoUnited States1 hr 34 min125 km
- San Jose Mineta International Airport (SJC)San JoseUnited States51 min62 km
Frequently asked questions about flying from Boston to San Francisco
The cheapest flights from Boston to San Francisco are usually in February. Typical ticket prices in February range from HK$1,600 to HK$2,900.
The cheapest round-trip flight from Boston to San Francisco recently found on Google Flights was with United from HK$1,689. The cheapest one-way flight was with United from HK$845.
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 HK$1,689, flying from Feb 5 to Feb 11.
- The cheapest JetBlue flight from Boston to San Francisco is HK$1,689, flying from Jan 15 to Jan 21.
- The cheapest Delta flight from Boston to San Francisco is HK$1,689, flying from Jan 15 to Jan 21.
- The cheapest Alaska flight from Boston to San Francisco is HK$1,837, flying from Jan 26 to Feb 3.
- The cheapest American flight from Boston to San Francisco is HK$1,840, flying from Jan 22 to Jan 28.
- The cheapest Southwest flight from Boston to San Francisco is HK$1,980, flying from Jan 15 to Jan 21.
The cheapest round-trip flight from Boston to San Francisco starts at HK$1,689 from Thu, Feb 5 to Wed, Feb 11. The cheapest one-way flight starts at HK$845 and departs on Wed, Feb 18.
6 hr 47 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 34 nonstop flights and 382 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 34 nonstop flights and 382 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 26 nonstop flights and 52 connecting flights per week. JetBlue flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO).
- Delta offers 12 nonstop flights and 242 connecting flights per week. Delta flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO).
- Alaska offers 7 nonstop flights and 52 connecting flights per week. Alaska flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO).
- American offers 282 connecting flights per week. American flies from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO).
- Southwest offers 209 connecting flights per week. Southwest 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 United from HK$1,689. The cheapest one-way flight was with United from HK$845.
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 HK$1,689, flying from Feb 5 to Feb 11.
- The cheapest JetBlue flight from Boston to San Francisco is HK$1,689, flying from Jan 15 to Jan 21.
- The cheapest Delta flight from Boston to San Francisco is HK$1,689, flying from Jan 15 to Jan 21.
- The cheapest Alaska flight from Boston to San Francisco is HK$1,837, flying from Jan 26 to Feb 3.
- The cheapest American flight from Boston to San Francisco is HK$1,840, flying from Jan 22 to Jan 28.
- The cheapest Southwest flight from Boston to San Francisco is HK$1,980, flying from Jan 15 to Jan 21.
United, JetBlue, Delta and Alaska fly direct from Boston to San Francisco.
- There are 34 United direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 26 JetBlue direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 12 Delta direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 7 Alaska 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 HK$4,226 is offered by JetBlue from Fri, Dec 26 to Sun, Dec 28.
United, JetBlue, Delta and Alaska fly direct from Boston to San Francisco.
- There are 34 United direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 26 JetBlue direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 12 Delta direct flights from Boston to San Francisco per week. Flights are available every day.
- There are 7 Alaska 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 HK$1,689 from Thu, Feb 5 to Wed, Feb 11 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 HK$8,639 from Mon, Jan 26 to Tue, Feb 3 with American.
The cheapest economy class round-trip flights between Boston and San Francisco start at HK$1,689 from Thu, Feb 5 to Wed, Feb 11.
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 HK$4,226 from Fri, Dec 26 to Sun, Dec 28 with JetBlue.
The cheapest last-minute deal between Boston and San Francisco at price HK$4,226 is offered by JetBlue from Fri, Dec 26 to Sun, Dec 28.
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.
- LisbonHK$3,038Apr 5 — Apr 111 stop6 hr 35 minTap Air Portugal
- MiamiHK$394Jan 12 — Jan 21Nonstop3 hr 42 minSpirit
- SeattleHK$2,201Jan 8 — Jan 141 stop18 hr 39 minUnited
- DublinHK$2,668Apr 26 — May 5Nonstop6 hr 17 minJetBlue
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