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Cheap flights from Boston to San Francisco from C$ 177

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
23 Dec — 30 Dec1
1 adult

The best prices from Boston Logan Intl to San Francisco are usually found in February or September, booked 56 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Boston to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 289

One-way from

C$ 177

Popular in

June

Cheapest in

February

Average price

C$ 608
United Airlines
  • United Airlines
  • 3/2-6/2
  • Nonstop
  • 12h 33m total
  • Boston to San Francisco
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JetBlue
  • JetBlue
  • 5/3
  • 1 total stop
  • 9h 24m total
  • Boston to San Francisco
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Boston to San Francisco

Cheapest flights from Boston to San Francisco
Explore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 24/127:55 a.m.BOS - SFO
Nonstop7h 04mDelta
Tue 7/17:30 a.m.SFO - BOS
Nonstop5h 40mDelta
Deal found 17/12C$ 453
Mon 30/128:59 p.m.BOS - SFO
Nonstop6h 46mJetBlue
Tue 14/12:00 p.m.SFO - BOS
Nonstop5h 32mJetBlue
Deal found 18/12C$ 496
Sun 29/128:35 p.m.BOS - SFO
Nonstop6h 51mUnited Airlines
Wed 8/18:25 a.m.SFO - BOS
Nonstop5h 46mUnited Airlines
Deal found 18/12C$ 544
Tue 31/122:00 p.m.BOS - SFO
2 stops10h 50mSouthwest
Fri 24/11:05 p.m.SFO - BOS
1 stop7h 30mSouthwest
Deal found 16/12C$ 573
Tue 31/124:05 p.m.BOS - SFO
1 stop9h 29mAlaska Airlines
Tue 7/12:07 p.m.SFO - BOS
2 stops23h 48mAlaska Airlines
Deal found 17/12C$ 576

Find flights from Boston to San Francisco within your budget

Customize your flight search to find flights from Boston to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/2

6:00 p.m.-9:50 p.m.

Nonstop6h 50m

San Francisco

Thu 6/2

1:00 p.m.-9:43 p.m.

Nonstop5h 43m

C$ 289

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 12/2

7:50 a.m.-11:59 a.m.

Nonstop7h 09m

San Francisco

Mon 17/2

7:30 a.m.-4:10 p.m.

Nonstop5h 40m

C$ 304

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 12/2

9:32 p.m.-1:18 a.m.

Nonstop6h 46m

San Francisco

Sun 16/2

6:00 a.m.-2:35 p.m.

Nonstop5h 35m

C$ 326

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 19/3

7:59 p.m.-11:57 p.m.

Nonstop6h 58m

San Francisco

Mon 24/3

9:20 a.m.-11:59 p.m.

1 stop11h 39m

C$ 347

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 8/1

8:10 a.m.-10:35 p.m.

2 stops17h 25m

San Francisco

Sun 12/1

7:15 a.m.-11:55 p.m.

1 stop13h 40m

C$ 416

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 5/3

1:08 p.m.-7:32 p.m.

1 stop9h 24m

C$ 177

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 19/2

7:50 a.m.-11:59 a.m.

Nonstop7h 09m

C$ 179

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 12/1

6:59 p.m.-8:56 a.m.

1 stop16h 57m

C$ 184

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 22/2

5:45 a.m.-9:40 a.m.

Nonstop6h 55m

C$ 186

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 2/2

7:00 a.m.-7:40 p.m.

1 stop15h 40m

C$ 213

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 11 results
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Best time to book a flight from Boston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to San Francisco

Get recent, data-driven insights about flights from Boston to San Francisco including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Francisco. Price data was last updated on 13 December 2024.

To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of C$ 272). Flying from Boston to San Francisco in June is currently the most expensive (average of C$ 379). 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 BOS to SFO?

Find hourly flight availability from Boston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

When flying from Boston to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight at noon.

Weekly flight availability from Boston to San Francisco

Explore weekly flight availability from Boston to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2024.

The most flights from BOS to SFO are scheduled on a Wednesday (48 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 18 December 2024.
Read reviews from past customers who have flown Delta, JetBlue and United Airlines from Boston to San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,279 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • What airports do I use to fly from Boston to San Francisco?

    If you wish to fly to San Francisco from Boston, then you need to book flights from Boston Logan Intl to San Francisco. There are 16 flights from Logan Intl (BOS) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Logan Intl are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 6h 45m is how long a nonstop flight from Boston to San Francisco typically takes.

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

    Flights from Boston Logan Intl to San Francisco have been viewed 23 times in the past calendar month.

  • What are the cheapest airlines flying from Boston to San Francisco round-trip?

    Cheapflights users have booked flights from Boston to San Francisco round-trip from C$ 289. Other airlines that can offer you cheap pricing are Delta, from C$ 304, and JetBlue, from C$ 326. United Airlines is 43% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Boston to San Francisco are JetBlue (C$ 177), Delta (C$ 179), and Alaska Airlines (C$ 184).

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

    No one likes to see their flight delayed. When booking a flight from Boston to San Francisco consider choosing EL AL (92%), United Airlines (86%) or ANA (85%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 588 for a flight from Boston to San Francisco. The cheapest flight overall is C$ 281 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at C$ 366.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of C$ 272). Flying from Boston to San Francisco in June is currently the most expensive (average of C$ 379). 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

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Alternative routes for Boston to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Los Angeles flights

Top 3 airlines flying from Boston to San Francisco

Discover the top 3 airlines that operate flights from Boston to San Francisco. 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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 267AverageC$ 413FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapestC$ 281AverageC$ 364FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 309AverageC$ 482FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to San Francisco?

When you search for this flight from Boston to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to San Francisco with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to San Francisco, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Boston to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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