$100 Cheap Flights from Boston (BOS) to San Francisco (SFO)

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Flight deals we found

These prices are lower than our typical predictions for similar flights.
80% less than typical
$235
Roundtrip per traveler
Fri, Sep 27 - Mon, Sep 30
DeltaDelta
6h 53m
7:00pm
10:53pm
BOS
Nonstop
SFO
Found 12 hours ago
80% less than typical
$244
Roundtrip per traveler
Tue, Oct 1 - Fri, Oct 4
DeltaDelta
6h 58m
7:05am
11:03am
BOS
Nonstop
SFO
Just found
75% less than typical
$311
Roundtrip per traveler
Mon, May 27 - Fri, May 31
UnitedUnited
6h 28m
7:45am
11:13am
BOS
Nonstop
SFO
Found 14 hours ago
75% less than typical
$306
Roundtrip per traveler
Thu, May 30 - Sun, Jun 2
DeltaDelta
6h 45m
7:35am
11:20am
BOS
Nonstop
SFO
Found 3 hours ago
80% less than typical
$231
Roundtrip per traveler
Wed, Aug 21 - Wed, Aug 21
UnitedUnited
6h 32m
8:10am
11:42am
BOS
Nonstop
SFO
Found 15 hours ago
75% less than typical
$282
Roundtrip per traveler
Thu, Jul 18 - Mon, Jul 22
UnitedUnited
6h 27m
6:00am
9:27am
BOS
Nonstop
SFO
Found 10 hours ago
70% less than typical
$323
Roundtrip per traveler
Wed, Jul 17 - Sun, Jul 21
UnitedUnited
6h 27m
6:00am
9:27am
BOS
Nonstop
SFO
Found 15 hours ago
70% less than typical
$306
Roundtrip per traveler
Thu, Aug 1 - Mon, Aug 5
DeltaDelta
6h 53m
8:50pm
12:43am
+1
BOS
Nonstop
SFO
Found 19 hours ago
70% less than typical
$321
Roundtrip per traveler
Thu, Jun 27 - Mon, Jul 1
JetBlue AirwaysJetBlue Airways
6h 28m
6:00am
9:28am
BOS
Nonstop
SFO
Just found
65% less than typical
$399
Roundtrip per traveler
Sun, May 12 - Tue, May 14
JetBlue AirwaysJetBlue Airways
6h 35m
6:20am
9:55am
BOS
Nonstop
SFO
Found 12 hours ago
60% less than typical
$482
Roundtrip per traveler
Sat, Aug 10 - Sat, Aug 10
DeltaDelta
6h 59m
7:05am
11:04am
BOS
Nonstop
SFO
Found 15 hours ago
55% less than typical
$244
Roundtrip per traveler
Sun, May 26 - Fri, May 31
JetBlue AirwaysJetBlue Airways
6h 35m
6:20am
9:55am
BOS
Nonstop
SFO
Found 21 hours ago
55% less than typical
$253
Roundtrip per traveler
Thu, Sep 19 - Sun, Sep 22
DeltaDelta
6h 53m
7:00pm
10:53pm
BOS
Nonstop
SFO
Found 21 hours ago
55% less than typical
$244
Roundtrip per traveler
Fri, May 31 - Mon, Jun 3
JetBlue AirwaysJetBlue Airways
6h 35m
6:20am
9:55am
BOS
Nonstop
SFO
Found 13 hours ago
20% less than typical
$910
Roundtrip per traveler
Sun, May 5 - Tue, May 7
UnitedUnited
6h 33m
6:15am
9:48am
BOS
Nonstop
SFO
Found 20 hours ago

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Cheap Flights from Boston to San Francisco (BOS-SFO)

Prices were available within the past 7 days and start at $100 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
American Airlines
American Airlines
JetBlue Airways
American Airlines
Alaska Airlines
JetBlue Airways
JetBlue Airways
American Airlines
Flights from Boston (BOS) to San Francisco (SFO)
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Sun Country Airlines, United
Roundtrip price
$198
Distance
2697 mi
Average flight time
3 hours 37 mins

Boston to San Francisco Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Boston to San Francisco offer the perfect respite. Not only does exploring San Francisco provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Boston to San Francisco may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from BOS to SFO today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of San Francisco are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Francisco more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Francisco is $100 now!

Frequently asked questions

How much is a one-way flight from Logan Intl. Airport to San Francisco Airport?
You can find one-way Boston flights to San Francisco starting from just $100. This information is based on the best fare found on Expedia for this journey departing during the next three months and was last updated on May 2 2024 and has not changed since. This specific airfare is for an Alaska Airlines flight, heading off from Logan Intl. Airport (BOS) on June 8 2024 and arriving at San Francisco Intl. Airport (SFO).
How long does it take to fly from Logan Intl. Airport (BOS) to SFO?
Purchase a ticket with United Airlines and you can expect to be traveling for roughly 6 hours and 25 minutes. This reputable carrier has a direct flight that takes off at 11:40AM from Logan Intl. Airport (BOS) and lands at San Francisco Intl. Airport (SFO) at 3:05PM. Expedia has some of the best deals around, so take a peek at what’s available on this route today.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) last minute?
When it comes to booking your flights, being organized pays off. While you may be able to score a deal on a Logan Intl. Airport to SFO flight at the last minute, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it’s between three and four months.
What is the cheapest airline flying from BOS to SFO in the next 90 days?
The cheapest airline traveling from Boston to San Francisco found on Expedia is Alaska Airlines, which has fares starting from $100. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight leaves BOS on June 8 2024 and lands at San Francisco Airport. Pricing information was updated on May 2 2024 and has not changed since.
What's the cheapest price for a flight from Logan Intl. Airport (BOS) to San Francisco Airport next month?
With a one-way flight from Boston to San Francisco on sale for $100, you’ll have more cash to splash on sightseeing. This ticket price was found after looking at all available flights on Expedia within the next 30 days. This particular journey leaves Logan Intl. Airport on May 22 2024, comes in to land at San Francisco Airport and is operated by Delta. This price was last updated on May 2 2024 and has not changed since.
What airline has the least delays from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
If you don’t want to be stuck at the airport for hours — or worse, your trip left in tatters because of a flight delay — opt for United Airlines. Around 71% of its BOS to SFO services arrive on schedule. You can look up your flight status before setting out for the airport through the free Expedia App. It’ll also give you real-time alerts about other helpful info, such as last-minute gate changes and how to get to your hotel. Think of it as a travel companion that fits in your pocket!
Can I find cheap nonstop flights from Logan Intl. Airport (BOS) to San Francisco Airport in the next three months?
To give you an idea of prices, the cheapest we’ve found for a roundtrip nonstop flight from Boston to San Francisco within the next 90 days is $199. This price was found after looking at all available flights on Expedia with a departure date within the next three months. This fare is for a flight via JetBlue Airways and Alaska Airlines leaving from Logan Intl. Airport on May 29 2024 and touching down at San Francisco Intl. Airport (SFO), with a return flight on August 13 2024. This price was updated on May 2 2024.It’s easy to locate nonstop cheap flights from Logan Intl. Airport (BOS) to San Francisco Airport by making use of our filters. Start by finding your journey, then click “Nonstop” under “Filter by” on the left-hand side of the page. Your results will be arranged with the lowest-priced ticket first. If there’s no reason to fly on a particular day, make use of our handy “Flexible dates” feature. You’ll be able to compare prices on surrounding days and grab the best possible deal.
What airports do you fly into for San Francisco from Boston?
With San Francisco Intl. Airport (SFO), Oakland Intl. Airport (OAK) and Norman Y. Mineta San Jose Intl. Airport (SJC) to pick from, flying from Boston to San Francisco is a breeze. The city’s main hub, San Francisco Intl. Airport (SFO), is approximately 12 mi south of the center. Apart from ticket prices, consider factors like transportation options from the airport and the distance to your hotel when deciding where to touch down. Get your San Francisco adventure off to a flying start by visiting Pier 39 and Golden Gate Bridge.
What are the most popular departure times for flights from BOS to San Francisco Intl. Airport (SFO)?
For United Airlines flights making their way from BOS to San Francisco Airport, the busiest period is between 6:00 AM - 7:00 AM. If you’d like to avoid any delays, book the earliest flight. This gives you a better chance to escape the air traffic that builds up in the skyways as the day goes by.
Can I change the date of my flight from Logan Intl. Airport (BOS) to SFO?
We know life happens and plans change, so Expedia is here to help make things as simple as possible. To start, find your BOS to San Francisco Intl. Airport (SFO) itinerary through the Expedia Trips portal and read the fare rules and restrictions about what sorts of changes are allowed. If you purchased your airfare in the last 24 hours, some carriers allow you to cancel at no cost and book new flights. If you bought your fare more than 24 hours ago, connect with us through our Customer Service portal to see how we can help.
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