Alaska Airlines San Francisco to Boston Flights

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Cheapflightsplus.com will find cheap Alaska Airlines flights from San Francisco to Boston. Compare airline ticket prices and book air tickets starting from $112 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Alaska Airlines, arrivals and departure details below.

Find Cheap Airfare San Francisco (CA) — Boston (MA) by Alaska Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $112, two-way – $192.

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Cheap Flights from San Francisco to Boston by Alaska Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by Alaska Airlines, their prices start from $112. The fastest nonstop flight takes 5h 31m. The fastest connecting flight — 8h 34m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $112 Find flight	8:20 am San Francisco San Francisco	4:51 pm Boston Logan	5h 31m	Alaska Airlines	AS356
from $160 Find flight	6:00 am San Francisco San Francisco	5:34 pm Boston Logan	8h 34m layover 0h 45m - Seattle	Alaska Airlines	AS1013 AS306
from $272 Find flight	5:50 pm San Francisco San Francisco	7:44 am+1 день Boston Logan	10h 54m layover 3h 30m - Seattle	Alaska Airlines	AS971 AS536
from $272 Find flight	6:50 pm San Francisco San Francisco	7:44 am+1 день Boston Logan	9h 54m layover 2h 30m - Seattle	Alaska Airlines	AS157 AS536
from $295 Find flight	7:30 am San Francisco San Francisco	7:44 am+1 день Boston Logan	21h 14m layover 13h 44m - Seattle	Alaska Airlines	AS1123 AS536
from $295 Find flight	11:35 am San Francisco San Francisco	7:44 am+1 день Boston Logan	17h 9m layover 9h 37m - Seattle	Alaska Airlines	AS1225 AS536
from $295 Find flight	9:00 am San Francisco San Francisco	7:44 am+1 день Boston Logan	19h 44m layover 12h 12m - Seattle	Alaska Airlines	AS1289 AS536
from $316 Find flight	2:43 pm San Francisco San Francisco	7:44 am+1 день Boston Logan	14h 1m layover 6h 31m - Seattle	Alaska Airlines	AS1059 AS536
from $316 Find flight	4:39 pm San Francisco San Francisco	7:44 am+1 день Boston Logan	12h 5m layover 4h 37m - Seattle	Alaska Airlines	AS1078 AS536
from $187 Find flight	11:11 am San Francisco San Francisco	11:59 pm Boston Logan	9h 48m layover 0h 32m - Portland 1h 13m - Seattle	Alaska Airlines	AS835 AS1008 AS460
from $234 Find flight	9:00 am San Francisco San Francisco	11:59 pm Boston Logan	11h 59m layover 2h 43m - Portland 1h 13m - Seattle	Alaska Airlines	AS138 AS1008 AS460
from $336 Find flight	7:00 am San Francisco San Francisco	11:59 pm Boston Logan	13h 59m layover 1h 58m - Las Vegas 2h 23m - Seattle	Alaska Airlines	AS718 AS229 AS460

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/22/2025

Alaska Airlines Flight Schedule San Francisco to Boston

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
11:11 am — 11:59 pm	8:20 am — 10:11 am AS835 Alaska Airlines San Francisco — Portland 32m stop 1:52 pm — 2:53 pm AS1008 Alaska Airlines Portland — Seattle 1h 13m stop 3:45 pm — 11:59 pm AS460 Alaska Airlines Seattle — Boston	9h 48m including layover	Find flight from$187
11:35 am — 7:44 am +1 day	11:35 am — 1:53 pm AS1225 Alaska Airlines San Francisco — Seattle 9h 37m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	17h 9m including layover	Find flight from$295
2:43 pm — 7:44 am +1 day	2:43 pm — 4:59 pm AS1059 Alaska Airlines San Francisco — Seattle 6h 31m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	14h 1m including layover	Find flight from$316
4:39 pm — 7:44 am +1 day	4:39 pm — 6:53 pm AS1078 Alaska Airlines San Francisco — Seattle 4h 37m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	12h 5m including layover	Find flight from$316
5:50 pm — 7:44 am +1 day	5:50 pm — 8:00 pm AS971 Alaska Airlines San Francisco — Seattle 3h 30m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	10h 54m including layover	Find flight from$272
6:00 am — 5:34 pm	7:00 am — 9:18 am AS1013 Alaska Airlines San Francisco — Seattle 45m stop 7:00 am — 3:13 pm AS306 Alaska Airlines Seattle — Boston	8h 34m including layover	Find flight from$160
6:50 pm — 7:44 am +1 day	6:50 pm — 9:00 pm AS157 Alaska Airlines San Francisco — Seattle 2h 30m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	9h 54m including layover	Find flight from$272
7:00 am — 11:59 pm	7:00 am — 8:36 am AS718 Alaska Airlines San Francisco — Las Vegas 1h 58m stop 10:34 am — 1:22 pm AS229 Alaska Airlines Las Vegas — Seattle 2h 23m stop 3:45 pm — 11:59 pm AS460 Alaska Airlines Seattle — Boston	13h 59m including layover	Find flight from$336
7:30 am — 7:44 am +1 day	7:30 am — 9:46 am AS1123 Alaska Airlines San Francisco — Seattle 13h 44m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	21h 14m including layover	Find flight from$295
8:20 am — 4:51 pm	8:20 am — 4:51 pm AS356 Alaska Airlines San Francisco — Boston	5h 31m	Find flight from$112
9:00 am — 11:59 pm	9:00 am — 10:50 am AS138 Alaska Airlines San Francisco — Portland 2h 43m stop 1:33 pm — 2:32 pm AS1008 Alaska Airlines Portland — Seattle 1h 13m stop 3:45 pm — 11:59 pm AS460 Alaska Airlines Seattle — Boston	11h 59m including layover	Find flight from$234
9:00 am — 11:59 pm	9:00 am — 10:50 am AS138 Alaska Airlines San Francisco — Portland 50m stop 11:40 am — 12:41 pm AS970 Alaska Airlines Portland — Seattle 3h 4m stop 3:45 pm — 11:59 pm AS460 Alaska Airlines Seattle — Boston	11h 59m including layover	Find flight from$234
9:00 am — 7:44 am +1 day	9:00 am — 11:18 am AS1289 Alaska Airlines San Francisco — Seattle 12h 12m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	19h 44m including layover	Find flight from$295
9:00 am — 7:44 am +1 day	9:00 am — 10:50 am AS138 Alaska Airlines San Francisco — Portland 50m stop 11:40 am — 12:41 pm AS970 Alaska Airlines Portland — Seattle 10h 49m stop 11:30 pm — 7:44 am AS536 Alaska Airlines Seattle — Boston	19h 44m including layover	Find flight from$311

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 02/22/2025

Flight Information

There is 1 flight by Alaska Airlines from San Francisco to Boston every week with departures from San Francisco, Embarkadero, China Basin Heliport. All flights arrive at Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail.

Departures start from 11:11 am to 9:00 am. Nonstop flight is 5h 31m. The time difference between San Francisco and Boston is 3h.

The fastest flight 5h 31m
Average flight time 5h 31m
The earliest flight 11:11 am
The latest flight 9:00 am
Distance 2698 ml

The cheapest months for traveling to Boston are december (from 112 $), february (from 160 $), november (from 185 $).

The cheapest flight by Alaska Airlines that our users were able to find is $112. This airfare is economy class on one-way AS356 flight for February 21, 2025 leaving San Francisco in San Francisco at 8:20 am, it includes all taxes and additional fees.

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Alaska Airlines Airplanes on the Route

List of the most popular Alaska Airlines airplanes flying from San Francisco to Boston:

Other Popular Airlines on the Route

Besides Alaska Airlines there are other 1 airline carriers between San Francisco and Boston. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Francisco to Boston.

Nonstop flights

There are 6 direct flights every day from San Francisco. Airlines and fares are below:

UA - United Airlines

from $104

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Connecting Flights

List of flights with layovers (1 and more stops):

UA - United Airlines

from $184

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