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Cheap flights from Boston to San Francisco

71 nonstop flights a week, 7 of them today. Operated by 4 airlines, about 6h 50m in the air, 2,693 mi (4,334 km). Tickets from $142, nonstop from $164.

Flights from Boston to San Francisco

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Boston to San Francisco

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Boston to San Francisco

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $142 15 December 2026, with a connection Cheapest nonstop $164 15 December 2026, jetBlue Cheapest in the next 7 days $177 13 November, Fri Cheapest weekend departure $177 Fri, 13 November 2026
Cheapest day of the week Saturday $259 on average over the next 120 days
Cheapest month December 2026 tickets from $142

Boston to San Francisco at a glance

flight time, from 6h 30m to 12h 9m
6h 50m
straight-line distance
2,693 mi (4,334 km)
flights a week
71
flights today
7
first and last departure
06:00 - 13:32
lowest price, with a connection, 15 December
$142
lowest nonstop price
$164
airlines
4

Boston to San Francisco ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $142. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is June 2027: from $267. The average across months is $195.

Boston to San Francisco flight schedule

71 flights a week, 7 today, 37 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
B6 1633
jetBlue
06:00 Logan International, terminal C
09:40 San Francisco International, terminal 1
6h 40m
Mon, Thu, Fri, Sat, Sun
Airbus A318/319/320/321
B6 633
jetBlue
06:00 Logan International, terminal C
09:40 San Francisco International, terminal 1
6h 40m
Sat
Airbus A318/319/320/321
B6 633
jetBlue
06:15 Logan International, terminal C
09:59 San Francisco International, terminal 1
6h 44m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A318/319/320/321
UA 1023
United Airlines
07:10 Logan International, terminal B
10:59 San Francisco International, terminal 3
6h 49m
Mon, Thu, Fri, Sat, Sun
Boeing 757-200
DL 977
Delta
07:50 Logan International, terminal A
11:41 San Francisco International, terminal 1
6h 51m
Daily
Airbus A320
B6 133
jetBlue
07:55 Logan International, terminal C
11:45 San Francisco International, terminal 1
6h 50m
Mon, Thu, Fri, Sun
Airbus A318/319/320/321
UA 582
United Airlines
08:05 Logan International, terminal B
11:54 San Francisco International, terminal 3
6h 49m
Daily
Boeing 757-200
B6 433
jetBlue
09:00 Logan International, terminal C
12:48 San Francisco International, terminal 1
6h 48m
Mon, Fri
Airbus A318/319/320/321
UA 574
United Airlines
09:00 Logan International, terminal B
12:49 San Francisco International, terminal 3
6h 49m
Daily
Boeing 757-200
B6 833
jetBlue
09:30 Logan International, terminal C
13:16 San Francisco International, terminal 1
6h 46m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A318/319/320/321
UA 1074
United Airlines
09:45 Logan International, terminal B
13:34 San Francisco International, terminal 3
6h 49m
Mon, Thu, Fri, Sun
Boeing 757-200
DL 860
Delta
10:05 Logan International, terminal A
13:51 San Francisco International, terminal 1
6h 46m
Daily
Airbus A320
B6 2233
jetBlue
10:30 Logan International, terminal C
14:14 San Francisco International, terminal 1
6h 44m
Mon, Thu, Fri, Sun
Airbus A320
WN 296
Southwest Airlines
10:40 Logan International, terminal B
18:55 Metropolitan Oakland International, terminal 2
11h 15m
Sat
B6 733
jetBlue
13:30 Logan International, terminal C
17:14 San Francisco International, terminal 1
6h 44m
Sat
Airbus A318/319/320/321
UA 340
United Airlines
13:32 Logan International, terminal B
21:46 San Francisco International, terminal 3
11h 14m
Mon, Tue, Thu, Sun
Boeing 737-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 29 November.

FlightDepartsArrivesDurationDaysAircraft
UA 1591
United Airlines
06:41 Logan International, terminal B
10:30 San Francisco International, terminal 3
6h 49m
Seasonal
Boeing 757-200
WN 1426
Southwest Airlines
08:20 Logan International, terminal B
13:50 San Francisco International, terminal 2
8h 30m
Seasonal
Boeing 737
UA 1023
United Airlines
07:30 Logan International, terminal B
11:23 San Francisco International, terminal 3
6h 53m
Seasonal
Boeing 757-200
DL 977
Delta
07:55 Logan International, terminal A
11:49 San Francisco International, terminal 1
6h 54m
Seasonal
Airbus A320
B6 133
jetBlue
08:00 Logan International, terminal C
11:52 San Francisco International, terminal 1
6h 52m
Seasonal
Airbus A318/319/320/321
B6 2233
jetBlue
11:45 Logan International, terminal C
15:33 San Francisco International, terminal 1
6h 48m
Seasonal
Airbus A318/319/320/321
B6 133
jetBlue
11:45 Logan International, terminal C
15:33 San Francisco International, terminal 1
6h 48m
Seasonal
Airbus A318/319/320/321
B6 133
jetBlue
08:05 Logan International, terminal C
11:57 San Francisco International, terminal 1
6h 52m
Seasonal
Airbus A318/319/320/321
UA 574
United Airlines
08:45 Logan International, terminal B
12:43 San Francisco International, terminal 3
6h 58m
Seasonal
Boeing 757-200
B6 2233
jetBlue
10:37 Logan International, terminal C
14:23 San Francisco International, terminal 1
6h 46m
Seasonal
Airbus A318/319/320/321
UA 2441
United Airlines
06:00 Logan International, terminal B
09:51 San Francisco International, terminal 3
6h 51m
Seasonal
Boeing 737
B6 133
jetBlue
08:55 Logan International, terminal C
12:45 San Francisco International, terminal 1
6h 50m
Seasonal
Airbus A318/319/320/321
DL 977
Delta
07:40 Logan International, terminal A
11:39 San Francisco International, terminal 1
6h 59m
Seasonal
Airbus A320
UA 1074
United Airlines
09:15 Logan International, terminal B
13:13 San Francisco International, terminal 3
6h 58m
Seasonal
Boeing 757-200
B6 133
jetBlue
06:00 Logan International, terminal C
09:53 San Francisco International, terminal 1
6h 53m
Seasonal
Airbus A318/319/320/321
B6 1633
jetBlue
08:15 Logan International, terminal C
12:11 San Francisco International, terminal 1
6h 56m
Seasonal
Airbus A318/319/320/321
B6 2233
jetBlue
10:00 Logan International, terminal C
13:53 San Francisco International, terminal 1
6h 53m
Seasonal
Airbus A318/319/320/321
B6 133
jetBlue
07:24 Logan International, terminal C
11:20 San Francisco International, terminal 1
6h 56m
Seasonal
Airbus A318/319/320/321
B6 1633
jetBlue
11:45 Logan International, terminal C
15:36 San Francisco International, terminal 1
6h 51m
Seasonal
Airbus A318/319/320/321
UA 1074
United Airlines
10:00 Logan International, terminal B
13:56 San Francisco International, terminal 3
6h 56m
Seasonal
Boeing 757-200
B6 2233
jetBlue
10:20 Logan International, terminal C
14:13 San Francisco International, terminal 1
6h 53m
Seasonal
Airbus A318/319/320/321
B6 133
jetBlue
07:00 Logan International, terminal C
11:00 San Francisco International, terminal 1
7h
Seasonal
Airbus A318/319/320/321
B6 1633
jetBlue
08:00 Logan International, terminal C
11:47 San Francisco International, terminal 1
6h 47m
Seasonal
Airbus A318/319/320/321
B6 2233
jetBlue
11:00 Logan International, terminal C
14:51 San Francisco International, terminal 1
6h 51m
Seasonal
Airbus A318/319/320/321
UA 2441
United Airlines
05:30 Logan International, terminal B
09:10 San Francisco International, terminal 3
6h 40m
Seasonal
Boeing 757-200
UA 1074
United Airlines
11:10 Logan International, terminal B
14:53 San Francisco International, terminal 3
6h 43m
Seasonal
Boeing 757-200
DL 977
Delta
07:00 Logan International, terminal A
10:59 San Francisco International, terminal 1
6h 59m
Seasonal
Airbus A320
UA 2213
United Airlines
13:30 Logan International, terminal B
19:29 San Francisco International, terminal 3
8h 59m
Seasonal
Airbus A319
DL 860
Delta
10:00 Logan International, terminal A
13:57 San Francisco International, terminal 1
6h 57m
Seasonal
Airbus A320
B6 1933
jetBlue
07:00 Logan International, terminal C
10:47 San Francisco International, terminal 1
6h 47m
Seasonal
Airbus A318/319/320/321
B6 1833
jetBlue
08:15 Logan International, terminal C
11:58 San Francisco International, terminal 1
6h 43m
Seasonal
Airbus A318/319/320/321
B6 1633
jetBlue
10:25 Logan International, terminal C
13:55 San Francisco International, terminal 1
6h 30m
Seasonal
Airbus A318/319/320/321
UA 340
United Airlines
13:30 Logan International, terminal B
22:39 San Francisco International, terminal 3
12h 9m
Seasonal
Boeing 737-800
B6 1633
jetBlue
10:30 Logan International, terminal C
14:00 San Francisco International, terminal 1
6h 30m
Seasonal
Airbus A318/319/320/321
B6 1333
jetBlue
06:35 Logan International, terminal C
10:05 San Francisco International, terminal 1
6h 30m
Seasonal
Airbus A318/319/320/321
B6 833
jetBlue
08:20 Logan International, terminal C
11:54 San Francisco International, terminal 1
6h 34m
Seasonal
Airbus A318/319/320/321
B6 1833
jetBlue
09:50 Logan International, terminal C
13:23 San Francisco International, terminal 1
6h 33m
Seasonal
Airbus A318/319/320/321

Days of the week are taken from the schedule for the next 14 days; schedules change by season. San Francisco is 3 hours behind Boston. The search shows seat availability and the price for your date.

Airlines flying Boston to San Francisco

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

jetBlue29 a week United Airlines27 a week Delta14 a week Southwest Airlines1 a week

Airports

Where flights from Boston to San Francisco depart and land

Departure from Boston

Logan International BOS

71 flights a week, terminals A, B, C, 2 mi (3 km) from the city centre

About the airport

Arrival in San Francisco

San Francisco International closest to the centreSFO

70 flights a week, terminals 1, 2, 3, 11 mi (18 km) from the city centre

About the airport
Metropolitan Oakland International OAK

1 flight a week, terminal 2, 12 mi (20 km) from the city centre

About the airport

When to visit San Francisco

Weather by month

Best time to visit: May, June, July, August, September and October, +18° to +20° by day, sea +13° to +17°. In November it is +16° by day and +10° at night, sea +14°, with 8 rainy days.

Jan
+14° +8° +12° 8 days
Feb
+14° +8° +12° 9 days
Mar
+14° +8° +12° 11 days
Apr
+16° +9° +13° 3 days
May
+18° +11° +13° 2 days
Jun
+18° +12° +14° 0 days
Jul
+18° +13° +15° 0 days
Aug
+20° +14° +16° 0 days
Sep
+20° +14° +17° 2 days
Oct
+20° +13° +16° 3 days
Nov
+16° +10° +14° 8 days
Dec
+13° +8° +13° 13 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Boston to San Francisco?
A nonstop flight takes 6 hours 50 minutes on average, from 6h 30m to 12h 9m depending on the flight.
How far is San Francisco from Boston?
2,693 mi (4,334 km) in a straight line between the cities.
Which airlines fly nonstop from Boston to San Francisco?
jetBlue (29 a week), United Airlines (27 a week), Delta (14 a week) and Southwest Airlines (1 a week).
How many flights a day are there from Boston to San Francisco?
7 flights today and 71 a week, about 10.1 a day on average.
When are the first and last flights from Boston to San Francisco?
The first departure is at 06:00 (B61633), the last at 13:32 (UA340). Local time.
What is the cheapest month to fly from Boston to San Francisco?
December 2026: tickets from $142. The most expensive is June 2027, from $267.
What is the cheapest upcoming date to fly from Boston to San Francisco?
15 December 2026 (Tuesday): from $142 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Boston to San Francisco?
jetBlue: nonstop tickets from $164 on 15 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Boston and San Francisco?
San Francisco is 3 hours behind Boston. Schedule times on this page are local to each airport.
Which Boston airport do flights to San Francisco leave from?
Logan International (71 a week).
Which San Francisco airport is closest to the city centre?
San Francisco International (SFO), 11 mi (18 km) from the city centre. Others: Metropolitan Oakland International 12 mi (20 km).