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Cheap flights from Boston to San Francisco from C$ 166

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
26 Nov — 3 Dec1
1 adult

The best prices from Boston Logan Intl to San Francisco are usually found in September or February, booked 29 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 21 November 2024.

Round-trip from

C$ 243

One-way from

C$ 166

Popular in

June

Cheapest in

September
Alaska Airlines
  • Alaska Airlines
  • 25/12-31/12
  • Nonstop
  • 12h 48m total
  • Boston to San Francisco
Delta
  • Delta
  • 13/12
  • Nonstop
  • 6h 54m total
  • Boston to San Francisco
High demand for flights, 19% potential price rise
Best time to find cheap flights, 15% potential price drop

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 21 November 2024.

Wed 25/126:59 p.m.BOS - SFO
Nonstop7h 04mAlaska Airlines
Tue 31/127:00 a.m.SFO - BOS
Nonstop5h 44mAlaska Airlines
Deal found 20/11C$ 243
Fri 13/124:50 p.m.BOS - SFO
Nonstop6h 52mDelta
Sun 12/17:20 a.m.SFO - BOS
Nonstop5h 38mDelta
Deal found 21/11C$ 326
Fri 13/121:30 p.m.BOS - SFO
Nonstop6h 49mUnited Airlines
Sun 15/121:30 p.m.SFO - BOS
Nonstop5h 38mUnited Airlines
Deal found 20/11C$ 331
Wed 11/1210:00 a.m.BOS - SFO
1 stop12h 14mJetBlue
Wed 25/129:44 p.m.SFO - BOS
Nonstop5h 36mJetBlue
Deal found 19/11C$ 344
Sun 15/1211:37 a.m.BOS - SFO
1 stop26h 09mSun Country Air
Wed 18/121:55 p.m.SFO - BOS
1 stop30h 14mSun Country Air
Deal found 20/11C$ 398
Sun 8/128:25 a.m.BOS - SFO
3 stops18h 45mSouthwest
Fri 13/127:45 p.m.SFO - BOS
2 stops18h 20mSouthwest
Deal found 20/11C$ 506

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 645,034 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 25/12

6:59 p.m.-11:03 p.m.

Nonstop7h 04m

San Francisco

Tue 31/12

7:00 a.m.-3:44 p.m.

Nonstop5h 44m

C$ 243

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 10/1

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

Nonstop7h 09m

San Francisco

Thu 23/1

7:20 a.m.-3:58 p.m.

Nonstop5h 38m

C$ 320

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 6/2

8:00 a.m.-11:53 a.m.

Nonstop6h 53m

San Francisco

Tue 11/2

9:25 p.m.-8:13 a.m.

1 stop7h 48m

C$ 334

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 9/2

5:55 p.m.-9:43 p.m.

Nonstop6h 48m

San Francisco

Sun 9/2

11:59 p.m.-10:45 a.m.

1 stop7h 46m

C$ 337

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 15/12

11:37 a.m.-10:46 a.m.

1 stop26h 09m

San Francisco

Wed 18/12

1:55 p.m.-11:09 p.m.

1 stop30h 14m

C$ 398

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 12/1

7:20 a.m.-9:30 p.m.

2 stops17h 10m

San Francisco

Wed 15/1

3:15 p.m.-10:55 a.m.

2 stops16h 40m

C$ 414

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 13/12

8:59 p.m.-12:53 a.m.

Nonstop6h 54m

C$ 166

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 13/3

3:40 p.m.-7:29 p.m.

Nonstop6h 49m

C$ 168

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 19/1

7:00 a.m.-1:47 p.m.

1 stop9h 47m

C$ 173

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 21/2

6:00 a.m.-11:40 a.m.

1 stop8h 40m

C$ 179

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 13 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 15 November 2024.

To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 29 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, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of C$ 276). Flying from Boston to San Francisco in June is currently the most expensive (average of C$ 380). 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 21 November 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 23% 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 21 November 2024.

The most flights from BOS to SFO are scheduled on a Wednesday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 21 November 2024.
Read reviews from past customers who have flown Alaska Airlines, Delta and JetBlue 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.
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

8.1
Very good
5,015 reviews
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

8.0
Very good
9,458 reviews
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

8.0
Very good
8,758 reviews
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

7.5
Good
3,396 reviews
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

7.4
Good
9,172 reviews
8.1
Very good
5,015 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Entertainment

7.7

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 29 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?

  • 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$ 243. Other airlines that can offer you cheap pricing are Delta, from C$ 320, and JetBlue, from C$ 331. Alaska Airlines is 51% 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 Delta (C$ 166), JetBlue (C$ 168), and Alaska Airlines (C$ 173).

  • 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 ANA (92%), Etihad Airways (91%) or Air China (90%) 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$ 640 for a flight from Boston to San Francisco. The cheapest flight overall is C$ 202 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at C$ 328.

  • 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, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of C$ 276). Flying from Boston to San Francisco in June is currently the most expensive (average of C$ 380). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 645,034 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 262AverageC$ 404FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapestC$ 275AverageC$ 356FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 302AverageC$ 471FlexibilityNo 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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