Cheap flights from Boston to San Francisco (BOS - SFO) from $89

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to San Francisco departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — SFO
Mar 3 — Mar 101

The best prices from Boston Logan Intl to San Francisco are usually found in January or February, booked 50 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 February 27, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$268

One-way from

$104
High demand for flights, 19% potential price rise
Best time to find cheap flights, 27% potential price drop
From Boston Logan Intl to San Francisco
One-way flight from Boston Logan Intl to San Francisco

What is the cheapest day to fly round-trip from Boston to San Francisco?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 78% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to San Francisco from $414 1-2 weeks out and tickets from $664 for flights departing within the next 72 hours.

What is the cheapest month to fly from Boston to San Francisco?

The best pricing can be found in the month of January. Prices to San Francisco from Boston average $380. You can even find prices in January for less than $380, as users have found deals to San Francisco from as low as $119. The month of June appears to be one of the more expensive times to travel to San Francisco from Boston. Flying in the targeted month can save you up to 23%.

When is the cheapest time to fly from Boston to San Francisco (BOS - SFO)?

It’s typically best to fly out from Boston to San Francisco in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap United Airlines flights from Boston to San Francisco

Explore cheap flight options specifically provided by United Airlines for the route between Boston and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Boston to San Francisco. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 4/27:15 amBOS - SFO
Nonstop6h 42mUnited Airlines
Wed 4/37:09 pmSFO - BOS
1 stop7h 47mUnited Airlines
Deal found 2/26$202
Wed 3/137:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/192:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$210
Mon 3/187:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/192:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$213
Tue 4/27:15 amBOS - SFO
Nonstop6h 42mUnited Airlines
Mon 4/157:09 pmSFO - BOS
1 stop7h 47mUnited Airlines
Deal found 2/25$216
Tue 3/128:00 amBOS - SFO
Nonstop7h 00mUnited Airlines
Thu 3/142:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$217
Thu 3/217:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/2611:59 pmSFO - BOS
1 stop7h 27mUnited Airlines
Deal found 2/26$220
Mon 3/41:30 pmBOS - SFO
Nonstop6h 51mUnited Airlines
Mon 3/117:06 pmSFO - BOS
1 stop7h 43mUnited Airlines
Deal found 2/26$227
Mon 3/116:09 pmBOS - SFO
Nonstop6h 51mUnited Airlines
Thu 3/148:25 amSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$228
Mon 3/45:50 pmBOS - SFO
1 stop9h 18mUnited Airlines
Mon 3/117:06 pmSFO - BOS
1 stop7h 43mUnited Airlines
Deal found 2/26$236
  • If you’re traveling from Boston to San Francisco, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $356.43 RT. This price is typically 57% more expensive than other airlines that offer Boston to San Francisco flights. When booking this route, the cheapest RT price found was $112. The most popular departure airport in Boston when flying to San Francisco is Boston Logan Intl Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from Boston to San Francisco, United Airlines flights are 8% more popular than any other airline flying that same route.

Cheap Alaska Airlines flights from Boston to San Francisco

Explore cheap flight options specifically provided by Alaska Airlines for the route between Boston and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Some of the best deals we've found on Alaska Airlines flights traveling from Boston to San Francisco. Check back soon if you're not seeing flights that suit your needs.
Sat 3/307:00 amBOS - SFO
Nonstop6h 58mAlaska Airlines
Mon 4/810:20 pmSFO - BOS
Nonstop5h 35mAlaska Airlines
Deal found 2/26$221
Mon 3/116:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Wed 3/137:00 amSFO - BOS
Nonstop5h 32mAlaska Airlines
Deal found 2/26$222
Sat 3/307:00 amBOS - SFO
Nonstop6h 58mAlaska Airlines
Mon 4/810:20 pmSFO - BOS
Nonstop5h 35mAlaska Airlines
Deal found 2/26$223
Wed 5/14:36 pmBOS - SFO
1 stop8h 46mAlaska Airlines
Sun 5/510:35 pmSFO - BOS
Nonstop5h 55mAlaska Airlines
Deal found 2/26$234
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Mon 3/117:00 amSFO - BOS
Nonstop5h 32mAlaska Airlines
Deal found 2/26$237
Tue 4/236:10 pmBOS - SFO
Nonstop6h 50mAlaska Airlines
Wed 4/244:45 pmSFO - BOS
1 stop10h 00mAlaska Airlines
Deal found 2/26$243
Mon 3/187:00 amBOS - SFO
Nonstop6h 58mAlaska Airlines
Wed 3/209:30 amSFO - BOS
Nonstop5h 40mAlaska Airlines
Deal found 2/26$247
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Thu 3/149:30 amSFO - BOS
Nonstop5h 40mAlaska Airlines
Deal found 2/26$267
Tue 4/26:59 pmBOS - SFO
Nonstop6h 54mAlaska Airlines
Sun 4/710:40 pmSFO - BOS
Nonstop5h 49mAlaska Airlines
Deal found 2/26$287
  • Alaska Airlines is one of the most popular airlines used for those traveling from Boston to San Francisco. Flights on this route from Alaska Airlines typically cost $346.94 RT, a price that is 64% cheaper than the average Boston to San Francisco flight. The cheapest flight found was $129 RT. Boston Logan Intl Airport is the most common Boston airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Boston to San Francisco, Alaska Airlines flights are 8% more popular than any other airline flying that same route.

Cheap Boston to San Francisco flights in February & March 2024

Find cheap flight options from Boston to San Francisco specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Prices were last updated on February 27, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. Check back in a little while for more flight options.
Mon 3/183:05 pmBOS - SFO
2 stops46h 10mMultiple Airlines
Mon 3/258:45 amSFO - BOS
2 stops34h 19mMultiple Airlines
Deal found 2/26$170
Mon 3/189:15 amBOS - SFO
2 stops17h 36mMultiple Airlines
Mon 3/2511:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/26$171
Tue 3/199:15 amBOS - SFO
2 stops17h 36mMultiple Airlines
Tue 3/2611:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/27$172
Mon 3/183:05 pmBOS - SFO
3 stops22h 10mMultiple Airlines
Mon 3/2511:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/26$179
Mon 3/188:14 pmBOS - SFO
2 stops44h 19mMultiple Airlines
Mon 3/2512:55 pmSFO - BOS
2 stops17h 23mMultiple Airlines
Deal found 2/26$181
Mon 3/188:14 pmBOS - SFO
3 stops39h 57mMultiple Airlines
Mon 3/2512:59 amSFO - BOS
2 stops29h 19mMultiple Airlines
Deal found 2/26$195
Wed 3/207:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Wed 3/272:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/27$205
Wed 3/137:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/192:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$210
Fri 3/297:48 amBOS - SFO
Nonstop7h 12mDelta
Mon 4/1510:05 pmSFO - BOS
Nonstop5h 39mDelta
Deal found 2/25$211

Boston to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Boston and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. Check back in a little while for more flight options.
Mon 3/183:05 pmBOS - SFO
2 stops46h 10mMultiple Airlines
Mon 3/258:45 amSFO - BOS
2 stops34h 19mMultiple Airlines
Deal found 2/26$170
Mon 3/189:15 amBOS - SFO
2 stops17h 36mMultiple Airlines
Mon 3/2511:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/26$171
Tue 3/199:15 amBOS - SFO
2 stops17h 36mMultiple Airlines
Tue 3/2611:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/27$172
Mon 3/183:05 pmBOS - SFO
3 stops22h 10mMultiple Airlines
Mon 3/2511:00 amSFO - BOS
3 stops22h 53mMultiple Airlines
Deal found 2/26$179
Mon 3/188:14 pmBOS - SFO
2 stops44h 19mMultiple Airlines
Mon 3/2512:55 pmSFO - BOS
2 stops17h 23mMultiple Airlines
Deal found 2/26$181
Mon 3/188:14 pmBOS - SFO
3 stops39h 57mMultiple Airlines
Mon 3/2512:59 amSFO - BOS
2 stops29h 19mMultiple Airlines
Deal found 2/26$195
Tue 4/27:15 amBOS - SFO
Nonstop6h 42mUnited Airlines
Wed 4/37:09 pmSFO - BOS
1 stop7h 47mUnited Airlines
Deal found 2/26$202
Mon 4/16:59 pmBOS - SFO
Nonstop6h 54mMultiple Airlines
Tue 4/167:01 pmSFO - BOS
2 stops18h 46mMultiple Airlines
Deal found 2/27$204
Wed 3/207:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Wed 3/272:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/27$205

Non-stop flights to San Francisco from Boston

Discover non-stop flight options from Boston to San Francisco. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
If you're seeking options on non-stop flights from Boston to San Francisco, check out these fares. Users seeking other options on flights from Boston to San Francisco should update the search form at the top of the page.
Wed 3/137:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/192:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$210
Fri 3/297:48 amBOS - SFO
Nonstop7h 12mDelta
Mon 4/1510:05 pmSFO - BOS
Nonstop5h 39mDelta
Deal found 2/25$211
Mon 3/187:30 amBOS - SFO
Nonstop6h 57mUnited Airlines
Tue 3/192:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$213
Tue 3/128:00 amBOS - SFO
Nonstop7h 00mUnited Airlines
Thu 3/142:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$217
Sat 3/307:00 amBOS - SFO
Nonstop6h 58mAlaska Airlines
Mon 4/810:20 pmSFO - BOS
Nonstop5h 35mAlaska Airlines
Deal found 2/26$221
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Tue 3/127:00 amSFO - BOS
Nonstop5h 32mAlaska Airlines
Deal found 2/26$222
Sat 3/307:00 amBOS - SFO
Nonstop6h 58mAlaska Airlines
Mon 4/810:20 pmSFO - BOS
Nonstop5h 35mAlaska Airlines
Deal found 2/26$223
Mon 4/226:20 amBOS - SFO
Nonstop6h 35mJetBlue
Wed 5/83:15 pmSFO - BOS
Nonstop5h 44mJetBlue
Deal found 2/26$225
Mon 3/116:09 pmBOS - SFO
Nonstop6h 51mUnited Airlines
Thu 3/148:25 amSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$228

Boston to San Francisco flights leaving soon

Find last-minute flight options from Boston to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Have a look at some of the last-minute flights available departing from Boston to San Francisco. Users should examine the flight details to ensure there are no surprises.
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Tue 3/127:00 amSFO - BOS
Nonstop5h 32mAlaska Airlines
Deal found 2/26$222
Mon 3/41:30 pmBOS - SFO
Nonstop6h 51mUnited Airlines
Mon 3/117:06 pmSFO - BOS
1 stop7h 43mUnited Airlines
Deal found 2/26$227
Mon 3/45:50 pmBOS - SFO
1 stop9h 18mUnited Airlines
Mon 3/117:06 pmSFO - BOS
1 stop7h 43mUnited Airlines
Deal found 2/26$236
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mAlaska Airlines
Mon 3/117:00 amSFO - BOS
Nonstop5h 32mAlaska Airlines
Deal found 2/26$237
Tue 3/57:15 pmBOS - SFO
1 stop8h 56mUnited Airlines
Thu 3/142:45 pmSFO - BOS
Nonstop5h 40mUnited Airlines
Deal found 2/26$242
Mon 3/45:12 pmBOS - SFO
1 stop9h 24mUnited Airlines
Wed 3/611:25 pmSFO - BOS
Nonstop5h 41mUnited Airlines
Deal found 2/26$246
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mMultiple Airlines
Tue 3/198:52 pmSFO - BOS
3 stops18h 45mMultiple Airlines
Deal found 2/26$253
Mon 3/46:55 pmBOS - SFO
Nonstop7h 03mMultiple Airlines
Mon 3/1812:47 amSFO - BOS
2 stops27h 44mMultiple Airlines
Deal found 2/26$256
Mon 3/44:55 pmBOS - SFO
Nonstop7h 10mDelta
Tue 3/191:10 pmSFO - BOS
Nonstop5h 34mDelta
Deal found 2/26$257

One-way flights to San Francisco from Boston

Search for one-way flight options from Boston to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Users in need of a one-way flight from Boston to San Francisco can choose from these deals. Those seeking round-trip flights from Boston to San Francisco should utilize the search form at the the top of the page.
Mon 5/63:16 pmBOS - SFO
2 stops35h 42mMultiple Airlines
Deal found 2/26$89
Tue 5/1410:30 pmBOS - SFO
2 stops23h 58mMultiple Airlines
Deal found 2/26$93
Tue 5/711:06 amBOS - SFO
2 stops38h 53mMultiple Airlines
Deal found 2/27$94
Tue 5/1410:30 pmBOS - SFO
2 stops23h 58mMultiple Airlines
Deal found 2/26$95
Tue 5/711:06 amBOS - SFO
2 stops38h 53mMultiple Airlines
Deal found 2/26$96
Tue 4/2311:30 amBOS - SFO
2 stops15h 28mMultiple Airlines
Deal found 2/26$98
Wed 3/206:59 pmBOS - SFO
Nonstop6h 54mAlaska Airlines
Deal found 2/27$99
Tue 4/2311:30 amBOS - SFO
3 stops25h 14mMultiple Airlines
Deal found 2/26$102
Tue 3/127:48 amBOS - SFO
Nonstop7h 12mDelta
Deal found 2/27$104

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 3,397,584 searches. Data last updated February 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$170 - $299

Route

Depart

Return

Price

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/18

2 stops46h 10m

San Francisco

Mon 3/25

2 stops34h 19m

$170

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/18

2 stops17h 36m

San Francisco

Mon 3/25

3 stops22h 53m

$171

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/18

3 stops22h 10m

San Francisco

Mon 3/25

3 stops22h 53m

$179

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 4/2

Nonstop6h 42m

San Francisco

Wed 4/3

1 stop7h 47m

$202

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 3/29

Nonstop7h 12m

San Francisco

Mon 4/15

Nonstop5h 39m

$211

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 3/30

Nonstop6h 58m

San Francisco

Mon 4/8

Nonstop5h 35m

$221

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 4/22

Nonstop6h 35m

San Francisco

Wed 5/8

Nonstop5h 44m

$225

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 4/27

1 stop8h 48m

San Francisco

Tue 5/7

1 stop7h 53m

$241

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 4/25

1 stop8h 46m

San Francisco

Mon 4/29

1 stop14h 23m

$299

Flights are sorted by cheapest first

Deals found on 2/26

When is the best time to 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 January 28, 2024.
To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 50 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.
Search Deals

When is the cheapest time to fly from Boston to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Francisco. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Francisco by month

Plan your trip from Boston to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to San Francisco is currently $97 while a round-trip flight costs $213. Price data was last updated on February 25, 2024.

Currently, October is the cheapest month in which you can book a flight from Boston to San Francisco (average of $268). Flying from Boston to San Francisco in June is currently the most expensive (average of $390). 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.

January

$274

February

$281

March

$324

April

$328

May

$318

June

$390

July

$372

August

$298

September

$271

October

$268

November

$287

December

$268

Temperature and rainfall in San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

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 February 27, 2024.
To help decide which airline to fly from Boston to San Francisco, see what other customers have to say about United Airlines, Alaska Airlines and Sun Country Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
9,255 reviews
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
11,830 reviews
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.7
Good
5,196 reviews
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.4
Good
11,817 reviews
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.3
Good
15,581 reviews
8.1
Very good
9,255 reviews

Crew

8.6

Entertainment

7.4

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

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 book a flight from Boston to San Francisco, you will be flying from Logan Intl to San Francisco. Flights to San Francisco (SFO) from Boston Logan Intl (BOS) take 6h 21m for a nonstop flight. There are 44 flights from Logan Intl to San Francisco per day from 9 airlines.

Can I find flights from Boston to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $170, but on average you can expect to pay $204.

Are there nonstop flights from Boston to San Francisco for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Francisco under $300. A good price for a nonstop flight from Boston to San Francisco is less than $231.

Are there last-minute flights available from Boston to San Francisco for under $300?

There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than $300.

What days are nonstop flights available from Boston to San Francisco?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this Boston to San Francisco flight route?

How many flights depart from Boston to San Francisco on average per day?

On average 20 flights depart from Boston to San Francisco per day.
Early Morning (Midnight to 6am) - 30% of flight departures
Morning (6am - Noon) - 25% of flight departures
Afternoon (Noon - 6pm) - 15% of flight departures
Evening (6pm - Midnight) - 30% of flight departures

How long is the flight from Boston to San Francisco?

For as low as $202, United Airlines can have you in San Francisco from Boston in 6h 42m. The distance between Boston and San Francisco is about 2712 mi. All flights are typically nonstop.

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

According to our current data, United Airlines ($202), Delta ($211), and Alaska Airlines ($221) offers the cheapest pricing from Boston to San Francisco. United Airlines is currently priced 46% below the average price you’ll pay for this route.

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

One-way options have recently been found by users for as low as $99 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $104 and United Airlines from $107 one-way.

What are the most popular airlines that fly from Boston to San Francisco?

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: Air China (97%), WestJet (94%), EL AL (90%).

What are the cheapest flights from Boston to San Francisco?

On average you can expect to pay $894 for a flight from Boston to San Francisco. The cheapest flight overall is $103 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $205.

What does BOS to SFO mean?

Great question - BOS to SFO just means Boston Logan Intl Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

Browse thousands of different options on Cheapflights for your next trip

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Fly from Boston to San Francisco on these airlines
Choose from the following airlines for your flight from Boston to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on February 27, 2024.