Cheap flights from Boston to San Francisco (BOS–SFO)
BOSBoston Logan International Airport
United States
United States
SFOSan Francisco International Airport
United States
United States
Delta Air Lines, JetBlue Airways and United Airlines fly Boston to San Francisco (BOS–SFO) nonstop and back, a great-circle distance of 4,340 km (2,700 mi).
- From
- BOS
- Boston
- To
- SFO
- San Francisco
- Nonstop
- Yes · 3 airlines
- Airlines
- DL · B6 · UA
- Cheapest fare found
- $144 one-way
- Distance
- 4,340 km (2,700 mi)
- Time difference
- San Francisco 3 hours behind
- Most flights
- United Airlines
- Time in the air
- 5h 56m · 5h 03m back
- On time (Touchdown Index)
- 75.1%
- Flights a week
- DL ~11 · B6 ~22 · UA ~26
- Aircraft seen
- Boeing 737 Max 9 · Airbus A321neo · Airbus A321
Network data imported from airport and airline sources:· How we verify
Boston to San Francisco fares by month
Cheapest one-way fare found: $144 for October 2026 on JetBlue Airways (1 stop). Nonstop from $226.
- Oct ’26$144
- Nov ’26$177nonstop $226
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
Boston to San Francisco: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Boston Logan (BOS) to San Francisco (SFO)?
From $144 one-way, the cheapest fare found for October 2026 on JetBlue Airways with 1 stop; nonstop from $226 (found 8 October 2026).
How long is the BOS–SFO flight?
5h 56m wheels-up to wheels-down, the median of 252 tracked flights; SFO–BOS took 5h 03m.
Which airlines fly BOS–SFO direct?
Delta Air Lines, JetBlue Airways and United Airlines.
What is the time difference between Boston and San Francisco?
San Francisco is 3 hours behind Boston: a BOS departure at noon is 09:00 local time in SFO.
Is BOS–SFO usually on time?
75.1% of 434 BOS–SFO flights landed within 15 minutes of their usual time; 4.8% were over an hour late.
How many BOS–SFO flights a week?
Delta Air Lines 11, JetBlue Airways 22 and United Airlines 26 each way.
What aircraft fly BOS–SFO?
Boeing 737 Max 9, Airbus A321neo and Airbus A321.
San Francisco to Boston: the return flight (SFO–BOS)
All 3 airlines also fly SFO–BOS nonstop.
The return takes 5h 03m in the air (median of 216 tracked flights), 53 minutes shorter than BOS–SFO.
Airlines flying BOS–SFO nonstop
| Airline | Usually takes off (BOS time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Delta Air Lines DL | 07:45–21:16 | full-service | SkyTeam | — |
 JetBlue Airways B6 | 06:57–22:35 | low-cost | — | — |
| United Airlines UA | 06:21–12:09 | full-service | Star Alliance | — |
One-stop alternatives to flying BOS–SFO nonstop
One airline on both legs; check it's sold as one ticket.
- Via Toronto (YYZ) with
Air Canada and Porter Airlines: 4,340 km (2,700 mi) flown, almost no further than nonstop. - Via Chicago (ORD) with
American Airlines and United Airlines: 4,350 km (2,710 mi) flown, almost no further than nonstop. - Via Detroit (DTW) with Delta Air Lines: 4,350 km (2,700 mi) flown, almost no further than nonstop.
- Via Minneapolis (MSP) with Delta Air Lines and Sun Country Airlines: 4,360 km (2,710 mi) flown, almost no further than nonstop.
- Via Salt Lake City (SLC) with Delta Air Lines: 4,340 km (2,700 mi) flown, almost no further than nonstop.
BOS–SFO route map
More from Boston and San Francisco
Other arrivals in United States
Also nonstop from BOS, nearest to SFO first (straight-line distance):
- BOS–LAX: Los Angeles · 543 km (338 mi) from SFO
- Las Vegas (LAS) airport guide · 665 km (413 mi) from SFO
- BOS–SAN: San Diego · 719 km (447 mi) from SFO
- Portland (PDX) airport guide · 886 km (551 mi) from SFO
- Salt Lake City (SLC) airport guide · 962 km (598 mi) from SFO
Explore the airlines’ route maps
- Delta Air Lines route map and destinations
- JetBlue Airways route map and destinations
- United Airlines route map and destinations
Plan your arrival at San Francisco International Airport (SFO)
Departure
Boston Logan International Airport
Boston Logan (BOS), Boston. In our data, 46 airlines fly nonstop from BOS to 133 destinations.
View BOS airport guide →Arrival
San Francisco International Airport
2 ways into San Francisco, fastest from 25 min:
- BART 30–35 min
- Taxi or rideshare 25–45 min
Onward from San Francisco
Places you can't fly to nonstop from BOS, but can from SFO — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.