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Cheap flights San Francisco — Boston

San Francisco (SFO, US) Boston (BOS, US)
from $152 4 334 km ~5h 36m 27 flights found 6 airlines cheapest on Wednesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $152 on 10.12.2026
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
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Prices found for 29 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
10 Dec 2026, Thu
Frontier Airlines F9 3382
03:28
SFO San Francisco International Airport
13:23
BOS Logan International Airport
9h 55m 2 stops
Aviakassa
$152
View this ticket
09 Dec 2026, Wed
Southwest Airlines WN 1652
00:20
SFO San Francisco International Airport
06:40
BOS Logan International Airport
6h 20m 1 stop
Авиасейлс
$154
View this ticket
05 Dec 2026, Sat
Southwest Airlines WN 3874
17:45
SJC Norman Y. Mineta San Jose International Airport
00:00
BOS Logan International Airport
6h 15m 1 stop
City.Travel
$162
View this ticket
06 Dec 2026, Sun
Frontier Airlines F9 1448
09:41
SFO San Francisco International Airport
17:13
BOS Logan International Airport
7h 32m 1 stop
Farera
$162
View this ticket
06 Dec 2026, Sun
jetBlue B6 2734
00:25
SFO San Francisco International Airport
06:05
BOS Logan International Airport
5h 40m Direct
Farera
$167
View this ticket
08 Dec 2026, Tue
jetBlue B6 434
18:30
SFO San Francisco International Airport
00:05
BOS Logan International Airport
5h 35m Direct
Trip.com
$176
View this ticket
Route characteristics
Distance
4 334 km
Flight time
5h 36m
Time difference
+3h
Minimum price
from $152 (10.12.2026)
Average price
$183
Maximum price
$260
Departures per week
2
Cheapest day
Wednesday
Departure airports (2)
SFO San Francisco International Airport SJC Norman Y. Mineta San Jose International Airport
Arrival airports (1)
BOS Logan International Airport
Airlines (6)
F9 Frontier Airlines WN Southwest Airlines B6 jetBlue AS Alaska Airlines AA American Airlines UA United Airlines
Agencies (8)
Aviakassa Авиасейлс City.Travel Farera Trip.com Kiwi.com Т-Банк Kupi.com
Prices by day of week
Tuesday
$176
avg $176
Wednesday
$154
avg $154
Cheapest
Thursday
$152
avg $152
Saturday
$162
avg $162
Sunday
$162
avg $165
Airlines — cheapest prices 6
Frontier Airlines
Frontier Airlines
Low-cost 5 flights · 5 days
$152
Southwest Airlines
Southwest Airlines
Low-cost 6 flights · 5 days
$154
jetBlue
jetBlue
Low-cost 9 flights · 9 days
$167
Alaska Airlines
Alaska Airlines
2 flights · 2 days
$168
American Airlines
American Airlines
1 flights · 1 days
$219
United Airlines
United Airlines
4 flights · 4 days
$235
Where to buy tickets 8
Aviakassa
1 tickets · 1 days
from $152
Авиасейлс
2 tickets · 1 days
from $154
City.Travel
6 tickets · 5 days
from $162
Farera
10 tickets · 8 days
from $162
Trip.com
1 tickets · 1 days
from $176
Kiwi.com
5 tickets · 5 days
from $182
Т-Банк
1 tickets · 1 days
from $243
Kupi.com
1 tickets · 1 days
from $274
Airports

From — San Francisco (2)

  • SFO San Francisco International Airport
  • SJC Norman Y. Mineta San Jose International Airport

To — Boston (1)

  • BOS Logan International Airport
Other destinations from San Francisco
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RU
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Almaty
KZ
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Amsterdam
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Anchorage
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Ankara
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Aspen
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Athens
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Frequently asked questions about the route San Francisco — Boston
How long is the flight from San Francisco to Boston?
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 San Francisco to Boston?
The straight-line distance — 4 334 km.
How much do flights from San Francisco to Boston cost?
The minimum price over 3 months — from $152 on 10.12.2026.
What is the average ticket price?
The average price — $183. Range: $152 — $260.
What is the time difference between San Francisco and Boston?
The difference — +3h.
From which airports does San Francisco operate flights?
From San Francisco: SFO (San Francisco International Airport), SJC (Norman Y. Mineta San Jose International Airport).
To which airports in Boston do flights arrive?
To Boston: BOS (Logan International Airport).
Which airlines fly this route?
This route is served by 6 airlines: Frontier Airlines, Southwest Airlines, jetBlue, Alaska Airlines, American Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $167. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Wednesday.
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 San Francisco — Boston

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

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

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

The minimum price for the next 3 months — from $152 (10.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $183, ranging from $152 to $260. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Wednesday.

Other destinations in United States from San Francisco
Philadelphia
US
North Bend
US
Owensboro
US
Everett
US
Portland
US
Page
US
Pittsburgh
US
Palm Springs
US

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