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Cheap flights Boston — San Francisco

Boston (BOS, US) San Francisco (SFO, US)
from $177 4 334 km ~5h 36m 12 flights found 5 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $177 on 22.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
Mo
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
22 Dec 2026, Tue
Southwest Airlines WN 791
04:05
BOS Logan International Airport
12:30
SJC Norman Y. Mineta San Jose International Airport
8h 25m 2 stops
City.Travel
$177
View this ticket
21 Dec 2026, Mon
jetBlue B6 1487
14:00
BOS Logan International Airport
22:02
SFO San Francisco International Airport
8h 2m 1 stop
Clickavia
$235
View this ticket
22 Dec 2026, Tue
jetBlue B6 733
04:50
BOS Logan International Airport
11:37
SFO San Francisco International Airport
6h 47m Direct
Clickavia
$249
View this ticket
Route characteristics
Distance
4 334 km
Flight time
5h 36m
Time difference
-3h
Minimum price
from $177 (22.12.2026)
Average price
$206
Maximum price
$235
Departures per week
1
Cheapest day
Tuesday
Departure airports (1)
BOS Logan International Airport
Arrival airports (2)
SFO San Francisco International Airport SJC Norman Y. Mineta San Jose International Airport
Airlines (5)
AS Alaska Airlines B6 jetBlue WN Southwest Airlines AA American Airlines UA United Airlines
Agencies (6)
Trip.com Farera City.Travel Turna.com Clickavia Kiwi.com
Prices by day of week
Monday
$235
avg $235
Tuesday
$177
avg $213
Cheapest
Airlines — cheapest prices 5
Alaska Airlines
Alaska Airlines
2 flights · 2 days
$158
jetBlue
jetBlue
Low-cost 5 flights · 5 days
$160
Southwest Airlines
Southwest Airlines
Low-cost 2 flights · 2 days
$177
American Airlines
American Airlines
1 flights · 1 days
$221
United Airlines
United Airlines
2 flights · 2 days
$366
Where to buy tickets 6
Trip.com
2 tickets · 1 days
from $158
Farera
4 tickets · 4 days
from $160
City.Travel
2 tickets · 2 days
from $177
Turna.com
1 tickets · 1 days
from $221
Clickavia
2 tickets · 2 days
from $235
Kiwi.com
1 tickets · 1 days
from $305
Airports

From — Boston (1)

  • BOS Logan International Airport

To — San Francisco (2)

  • SFO San Francisco International Airport
  • SJC Norman Y. Mineta San Jose International Airport
Other destinations from Boston
Nantucket
US
Albany
US
Augusta
US
Bar Harbor
US
Hyannis
US
Lebanon
US
Martha's Vineyard
US
Provincetown
US
Rockland
US
Rutland
US
Saranac Lake
US
Dallas
US · Hub
Frequently asked questions about the route Boston — San Francisco
How long is the flight from Boston to San Francisco?
Approximate flight time — 5h 36m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Boston to San Francisco?
The straight-line distance — 4 334 km.
How much do flights from Boston to San Francisco cost?
The minimum price over 3 months — from $177 on 22.12.2026.
What is the average ticket price?
The average price — $206. Range: $177 — $235.
What is the time difference between Boston and San Francisco?
The difference — -3h.
From which airports does Boston operate flights?
From Boston: BOS (Logan International Airport).
To which airports in San Francisco do flights arrive?
To San Francisco: SFO (San Francisco International Airport), SJC (Norman Y. Mineta San Jose International Airport).
Which airlines fly this route?
This route is served by 5 airlines: Alaska Airlines, jetBlue, Southwest Airlines, American Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $249. Total direct flights found: 1.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Boston — San Francisco

Flights Boston — San Francisco is a popular route. The straight-line distance is 4 334 km. Flight time 5h 36m. Time difference -3h.

From Boston (BOS) flights depart from 1 airport: BOS. To San Francisco (SFO) — 2 arrival airports: SFO, SJC.

5 airlines operate on this route: Alaska Airlines, jetBlue, Southwest Airlines, American Airlines, United Airlines.

The minimum price for the next 3 months — from $177 (22.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $206, ranging from $177 to $235. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

Other destinations in United States from Boston
Nantucket
US
Albany
US
Augusta
US
Bar Harbor
US
Hyannis
US
Lebanon
US
Martha's Vineyard
US
Provincetown
US

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