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Cheap flights from San Francisco to Boston from C$ 258

SFO — BOS
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Boston Logan Intl are usually found in January or February, booked 71 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from San Francisco to Boston

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Boston

Mon 16/116:00 a.m. -
1 stop10h 35m
Tue 17/118:40 p.m. -
Nonstop6h 45m
Deal found 25/10C$ 469
Thu 3/127:15 a.m. -
2 stops11h 40m
Wed 9/125:30 a.m. -
2 stops11h 30m
Deal found 24/10C$ 471
Sat 14/117:04 a.m. -
1 stop19h 42m
Wed 6/16:14 p.m. -
1 stop26h 41m
Deal found 25/10C$ 472
Mon 16/1110:05 a.m. -
1 stop27h 36m
Thu 7/17:00 a.m. -
2 stops17h 49m
Deal found 23/10C$ 475
Tue 1/125:35 p.m. -
1 stop20h 34m
Mon 7/124:56 p.m. -
1 stop9h 33m
Deal found 21/10C$ 476
Tue 1/1211:35 p.m. -
1 stop9h 25m
Fri 4/123:30 p.m. -
2 stops11h 25m
Deal found 21/10C$ 478
Tue 17/117:00 a.m. -
Nonstop5h 30m
Thu 7/15:35 p.m. -
Nonstop6h 55m
Deal found 21/10C$ 479
Tue 10/1111:15 a.m. -
1 stop7h 30m
Sat 14/118:00 a.m. -
1 stop10h 45m
Deal found 21/10C$ 480
Wed 23/129:36 p.m. -
1 stop16h 08m
Tue 5/14:56 p.m. -
1 stop19h 10m
Deal found 25/10C$ 482
Fri 4/128:40 a.m. -
2 stops12h 19m
Mon 7/126:13 p.m. -
1 stop17h 43m
Deal found 24/10C$ 483
Thu 19/1112:55 p.m. -
Nonstop5h 28m
Fri 4/127:55 a.m. -
Nonstop6h 54m
Deal found 21/10C$ 485
Tue 10/1112:13 p.m. -
1 stop8h 45m
Thu 7/17:00 a.m. -
1 stop11h 41m
Deal found 21/10C$ 486

Find flight deals from San Francisco to Boston

Round-trip from

C$ 469

One-way from

C$ 258

Popular in

June

Cheapest in

January

Average price

C$ 679
JetBlue
  • JetBlue
  • 16/11-17/11
  • 1 total stop
  • 17h 20m total
  • San Francisco to Boston
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Delta
  • Delta
  • 18/11-31/12
  • Nonstop
  • 5h 37m total
  • San Francisco to Boston
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Highest demand for flights based on searches. 8% potential increase in price (C$ 82 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Sat 14/11

9:58 p.m.-6:35 a.m.

Nonstop5h 37m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 258

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Wed 20/1

9:25 a.m.-9:40 p.m.

2 stops9h 15m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 272

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Fri 13/11

9:58 p.m.-6:35 a.m.

Nonstop5h 37m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 272

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Thu 3/12

8:40 a.m.-11:59 p.m.

2 stops12h 19m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 276

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Tue 5/1

10:13 a.m.-5:40 a.m.

2 stops16h 27m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 284

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Tue 1/12

8:58 p.m.-11:59 p.m.

2 stops24h 01m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 284

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Mon 23/11

9:58 p.m.-6:35 a.m.

Nonstop5h 37m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 291

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Sun 8/11

11:58 p.m.-10:41 a.m.

1 stop7h 43m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 314

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Mon 15/2

2:00 p.m.-8:02 a.m.

2 stops15h 02m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 345

San FranciscoBoston

SFO San Francisco - BOS Boston Logan Intl

SFOBOS

San Francisco

Sat 19/12

2:30 p.m.-6:45 a.m.

1 stop13h 15m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Boston

How far ahead should I book a flight from San Francisco to Boston?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Boston?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of C$ 471). Flying from San Francisco to Boston in June is currently the most expensive (average of C$ 704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to BOS?

Unlike in the evening, when flights are generally more expensive, you can save up to 81% on flights from San Francisco to Boston by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from San Francisco to Boston?

Airfare is below average for this route at the moment.

San Francisco to Boston flights typically cost between C$ 506 and C$ 860 in November.
The cheapest round-trip price found within the last 5 days was C$ 469 on JetBlue (16 Nov-17 Nov).

Related info for your journey

  • How popular is this San Francisco to Boston flight route?

    Flights from San Francisco to Boston Logan Intl have been viewed 3 times in the past calendar month.

  • How long is the flight from San Francisco to Boston?

    A quick flight from San Francisco to Boston can take about 5h 37m. Alaska Airlines provides one of the quickest options available for as low as C$ 542. The distance from San Francisco to Boston is about 4339 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from San Francisco to Boston?

    Consider Etihad Airways (89%), Japan Airlines (87%) or Scandinavian Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Boston.

  • Can I find deals for flights from San Francisco to Boston that include hotel bookings?

    Yes. In addition to deals on San Francisco to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Boston.

  • Can I find deals for business class flights from San Francisco to Boston?

    Yes. Cheapflights offers flight deals from San Francisco to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of C$ 471). Flying from San Francisco to Boston in June is currently the most expensive (average of C$ 704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Old Orchard Beach
Cape Elizabeth
Hampton
Merrimack
Ogunquit
Saugus
Braintree
Milford
Revere
Waltham
Warwick
Lawrence
Pawtucket
Seekonk
Foxborough
Nashua
Kittery

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