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Cheap flights from San Francisco Bay Area to Boston (BOS)

SFO — BOS
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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Find flight deals from San Francisco Bay Area to Boston

Keep the following information in mind while searching for San Francisco Bay Area to Boston flight deals. Data was last updated May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$300
(Southwest)

One-way from

$120
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$465
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
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From San Francisco Bay Area to Boston Logan Intl
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One-way flight from San Francisco Bay Area to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Cheapflights Insights

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

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

The best time to book flights from San Francisco Bay Area to Boston is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $305). Flying from San Francisco Bay Area to Boston in May is currently the most expensive (average of $524). 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 XIH to BOS?

Find hourly flight availability from San Francisco Bay Area to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 25, 2026.

One of the essential ways to save on airfare from San Francisco Bay Area to Boston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.

What is the cheapest day to fly from San Francisco Bay Area to Boston?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Boston. Price data was last updated on May 23, 2026.

Travelers seeking maximum savings on their San Francisco Bay Area to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated May 25, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from San Francisco Bay Area to Boston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,417 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Delta
7.9
Good
8,428 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,749 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
JetBlue
7.2
Good
2,978 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
American Airlines
7.1
Good
11,630 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from San Francisco Bay Area?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from San Francisco Bay Area. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    This flight path from San Francisco Bay Area to Boston Logan Intl was viewed by 58 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from San Francisco Bay Area to Boston in 5h 48m. Fly via JetBlue, Delta, or Southwest to get the fastest option. The distance from San Francisco Bay Area to Boston is about 2696 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Francisco Bay Area to Boston one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Alaska Airlines and Hawaiian Airlines, as they are both options that can get you from San Francisco Bay Area to Boston for a low price.

  • What are the most popular routes from San Francisco Bay Area to Boston?

    When deciding which route to take from San Francisco Bay Area to Boston consider San Francisco - Boston Logan Intl, San Jose - Boston Logan Intl or Oakland - Boston Logan Intl as they are the most popular.

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

    Before booking your flight to Boston from San Francisco Bay Area, check out the most reliable airlines to get you to your destination on time: EL AL (100%), Scandinavian Airlines (98%), Air New Zealand( 83%).

  • What are the cheapest flights from San Francisco Bay Area to Boston?

    The cheapest flight price from San Francisco Bay Area to Boston is $159. On average you can expect to pay $1,169. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for $301.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to Boston.

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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 Bay Area to Boston?

    Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $305). Flying from San Francisco Bay Area to Boston in May is currently the most expensive (average of $524). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Hampton Beach
Brockton
Watertown
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Auburn
Lowell
Smithfield
Braintree
Sandwich

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Top 9 airlines flying from San Francisco Bay Area to Boston

Discover the top 9 airlines that operate flights from San Francisco Bay Area to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$221FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$98Average$448FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$118Average$361FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$322FlexibilityNo cancel feeOn-time85%
DeltaCheapest$158Average$398FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$179Average$366FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$205Average$418FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$427FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$502FlexibilityNo cancel feeOn-time71%

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