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Cheap flights from Boston to San Francisco from £92

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
4 Nov — 11 Nov1
1 adult

The best prices from Boston Logan Intl to San Francisco are usually found in February or September, booked 29 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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 30 October 2024.

Round-trip from

£147

One-way from

£92

Popular in

June

Cheapest in

February
JetBlue
  • JetBlue
  • 10/12-10/12
  • Nonstop
  • 12h 18m total
  • Boston to San Francisco
Delta
  • Delta
  • 21/11
  • Nonstop
  • 7h 01m 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 30 October 2024.

Tue 10/1207:00BOS - SFO
Nonstop6h 48mJetBlue
Tue 10/1214:39SFO - BOS
Nonstop5h 30mJetBlue
Deal found 29/10£147
Thu 5/1205:55BOS - SFO
Nonstop6h 45mUnited Airlines
Fri 6/1211:00SFO - BOS
Nonstop5h 38mUnited Airlines
Deal found 29/10£164
Mon 9/1218:39BOS - SFO
Nonstop7h 00mAlaska Airlines
Fri 13/1207:00SFO - BOS
1 stop8h 59mAlaska Airlines
Deal found 29/10£181
Sun 24/1120:35BOS - SFO
Nonstop6h 58mDelta
Thu 5/1207:30SFO - BOS
Nonstop5h 40mDelta
Deal found 29/10£182
Wed 13/1111:30BOS - SFO
1 stop8h 21mSun Country Air
Sun 17/1123:59SFO - BOS
1 stop7h 35mSun Country Air
Deal found 28/10£204
Wed 13/1114:00BOS - SFO
2 stops10h 50mSouthwest
Sat 16/1108:00SFO - BOS
1 stop8h 30mSouthwest
Deal found 29/10£205
Fri 1/1110:17BOS - SFO
1 stop13h 44mFrontier
Wed 6/1121:49SFO - BOS
1 stop8h 40mFrontier
Deal found 28/10£273

Find flights from Boston to San Francisco within your budget

Customise 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 1,015,184 searches. Data last updated 30 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£147 - £205

Route

Depart

Return

Price

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 10/12

Nonstop6h 48m

San Francisco

Tue 10/12

Nonstop5h 30m

£147

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 21/11

Nonstop7h 01m

San Francisco

Thu 28/11

Nonstop5h 40m

£152

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 5/12

Nonstop6h 45m

San Francisco

Fri 6/12

Nonstop5h 38m

£164

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 5/12

Nonstop7h 00m

San Francisco

Sun 8/12

Nonstop5h 38m

£175

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 13/11

1 stop8h 21m

San Francisco

Sun 17/11

1 stop7h 35m

£204

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 13/11

2 stops10h 50m

San Francisco

Sat 16/11

1 stop8h 30m

£205

Flights are sorted by cheapest first

Deals found on 29/10

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 return 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 return flight from Boston to San Francisco. Price data was last updated on 25 October 2024.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San Francisco. 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 Boston to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £535). Flying from Boston to San Francisco in July is currently the most expensive (average of £735). 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 30 October 2024.

A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at midday.

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 inches 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 30 October 2024.
See what other customers who have flown with JetBlue, United Airlines and Alaska Airlines from Boston to San Francisco have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

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

8.1
Very Good
5,118 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

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

8.0
Very Good
9,418 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

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

8.0
Very Good
8,845 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

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

7.5
Good
3,520 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.2

Reviews

1 / 10

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

7.4
Good
9,249 reviews
8.1
Very Good
5,118 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.3

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?

    You will need to book a flight from Boston Logan Intl to San Francisco if you want to fly from Boston to San Francisco. At least 1 airline has flights from Logan Intl (BOS) to San Francisco (SFO) on a regular basis. There are 24 flights to San Francisco from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to SFO to be around 6h 39m.

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

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

    Flying on JetBlue is currently your cheapest option to San Francisco, with prices starting at £147. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £152 and £164, respectively. You may be able to fly from Boston to San Francisco for 47% less than the average price by searching for these airlines.

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

    The cheapet airlines for a one-way flight from Boston to San Francisco are Delta (£92), JetBlue (£95), and Alaska Airlines (£95).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Francisco on time: ANA (98%), Air China (94%), United Airlines (92%).

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

    On average you can expect to pay £295 for a flight from Boston to San Francisco. The cheapest flight overall is £87 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at £312.

  • 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 holiday 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 £535). Flying from Boston to San Francisco in July is currently the most expensive (average of £735). 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.

Top airline flying from Boston to San Francisco

Discover the top airline 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 1,015,184 searches. Data last updated 30 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£170Average£327FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Yes! Cheapflights helps users easily find flights from Boston to San Francisco with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Boston today and book when prices fit your budget.

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