Alaska Airlines Boston to San Francisco Flights

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Cheapflightsplus.com will find cheap Alaska Airlines flights from Boston to San Francisco. Compare airline ticket prices and book air tickets starting from $134 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 Boston (MA) — San Francisco (CA) 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 - $134, two-way – $230.

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Cheap Flights from Boston to San Francisco by Alaska Airlines

Look at the list of plane tickets for the most connecting flights by Alaska Airlines, their prices start from $134. There’re no direct flights. The fastest connecting flight – 10h 22m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $134 Find flight	4:23 pm Boston Logan	11:45 pm San Francisco San Francisco	10h 22m layover 1h 37m - San Diego	Alaska Airlines	AS389 AS3458
from $189 Find flight	7:59 pm Boston Logan	9:50 am+1 день San Francisco San Francisco	16h 51m layover 8h 25m - Portland	Alaska Airlines	AS311 AS1350
from $203 Find flight	5:51 pm Boston Logan	9:12 am+1 день San Francisco San Francisco	18h 21m layover 9h 34m - Seattle	Alaska Airlines	AS364 AS965
from $225 Find flight	10:00 am Boston Logan	8:09 pm San Francisco San Francisco	13h 9m layover 4h 22m - Seattle	Alaska Airlines	AS537 AS1318
from $225 Find flight	7:00 am Boston Logan	7:09 pm San Francisco San Francisco	15h 9m layover 6h 19m - Seattle	Alaska Airlines	AS459 AS1132

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025

Alaska Airlines Flight Schedule Boston to San Francisco

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
10:00 am — 7:09 pm	7:54 pm — 11:31 pm AS537 Alaska Airlines Boston — Seattle 3h 22m stop 9:05 am — 11:22 am AS1132 Alaska Airlines Seattle — San Francisco	12h 9m including layover	Find flight from$149
10:00 am — 6:03 pm	7:19 pm — 10:39 pm AS537 Alaska Airlines Boston — Seattle 2h 17m stop 3:50 pm — 5:59 pm AS1140 Alaska Airlines Seattle — San Francisco	11h 3m including layover	Find flight from$211
10:00 am — 8:09 pm	7:19 pm — 10:39 pm AS537 Alaska Airlines Boston — Seattle 4h 22m stop 5:59 pm — 8:08 pm AS1318 Alaska Airlines Seattle — San Francisco	13h 9m including layover	Find flight from$225
10:00 am — 10:11 pm	7:19 pm — 10:39 pm AS537 Alaska Airlines Boston — Seattle 6h 22m stop 7:58 pm — 10:07 pm AS1014 Alaska Airlines Seattle — San Francisco	15h 11m including layover	Find flight from$225
10:00 am — 11:44 pm	10:00 am — 1:37 pm AS537 Alaska Airlines Boston — Seattle 7h 54m stop 9:31 pm — 11:44 pm AS158 Alaska Airlines Seattle — San Francisco	16h 44m including layover	Find flight from$225
4:23 pm — 11:45 pm	4:23 pm — 8:22 pm AS389 Alaska Airlines Boston — San Diego 1h 37m stop 9:59 pm — 11:45 pm AS3458 Alaska Airlines San Diego — San Francisco	10h 22m including layover	Find flight from$134
5:51 pm — 9:12 am +1 day	5:51 pm — 9:26 pm AS364 Alaska Airlines Boston — Seattle 9h 34m stop 7:00 am — 9:12 am AS965 Alaska Airlines Seattle — San Francisco	18h 21m including layover	Find flight from$203
7:00 am — 7:09 pm	7:00 am — 10:40 am AS459 Alaska Airlines Boston — Seattle 6h 19m stop 4:59 pm — 7:09 pm AS1132 Alaska Airlines Seattle — San Francisco	15h 9m including layover	Find flight from$225
7:59 pm — 9:50 am +1 day	7:59 pm — 11:28 pm AS311 Alaska Airlines Boston — Portland 8h 25m stop 10:00 am — 11:51 am AS1350 Alaska Airlines Portland — San Francisco	16h 51m including layover	Find flight from$189
7:59 pm — 8:52 am +1 day	7:59 pm — 11:35 pm AS311 Alaska Airlines Boston — Portland 7h 25m stop 7:00 am — 8:52 am AS3440 Alaska Airlines Portland — San Francisco	15h 53m including layover	Find flight from$193

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

*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 11 flights by Alaska Airlines from Boston to San Francisco every week with departures from Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail. All flights arrive at San Francisco, Embarkadero, China Basin Heliport.

Departures start from 10:00 am to 7:59 pm. Nonstop flight is 10h 22m. The time difference between Boston and San Francisco is 3h.

The fastest flight 10h 22m
Average flight time 15h 10m
The earliest flight 10:00 am
The latest flight 7:59 pm
Distance 2698 ml

The cheapest months for traveling to San Francisco are february (from 134 $), january (from 189 $), december (from 241 $).

The most expensive and popular months are november (from 393 $), december (from 241 $), january (from 189 $).

The cheapest flight by Alaska Airlines that our users were able to find is $134. This airfare is economy class on one-way AS389 flight for February 21, 2025 leaving Logan in Boston at 4:23 pm, 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 Boston to San Francisco:

Other Popular Airlines on the Route

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

Nonstop flights

There are 1 direct flights every day from Boston. Airlines and fares are below:

UA - United Airlines

from $85

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Connecting Flights

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

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How to book an air ticket yourself?

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