$118 Cheap United flights from San Francisco to Boston (SFO to BOS)

Find The Best Day To Fly from San Francisco to Boston

Amazing United SFO to BOS Flight Deals

The cheapest flights to Logan Intl. found within the past 7 days were $218 round trip and $118 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$218 Roundtrip, found 4 hours ago
$218
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $218 found 4 hours ago
Tue, Aug 27 - Fri, Aug 30
SFO
San Francisco
BOS
Boston
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 27 from San Francisco to Boston, returning Fri, Aug 30, priced at $222 found 6 days ago
Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$227 Roundtrip, found 4 hours ago
$227
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $227 found 4 hours ago
Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$240 Roundtrip, found 4 hours ago
$240
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $240 found 4 hours ago
Wed, Sep 4 - Fri, Sep 6
SFO
San Francisco
BOS
Boston
$243 Roundtrip, found 6 days ago
$243
Roundtrip
found 6 days ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Fri, Sep 6, priced at $243 found 6 days ago
Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$244 Roundtrip, found 4 hours ago
$244
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $244 found 4 hours ago
Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $249 found 4 hours ago
Fri, Jan 10 - Tue, Jan 14
SFO
San Francisco
BOS
Boston
$257 Roundtrip, found 19 hours ago
$257
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jan 10 from San Francisco to Boston, returning Tue, Jan 14, priced at $257 found 19 hours ago
Wed, Oct 2 - Tue, Oct 22
SFO
San Francisco
BOS
Boston
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 2 from San Francisco to Boston, returning Tue, Oct 22, priced at $258 found 1 day ago
Wed, Sep 4 - Tue, Sep 10
SFO
San Francisco
BOS
Boston
$259 Roundtrip, found 4 hours ago
$259
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 4 from San Francisco to Boston, returning Tue, Sep 10, priced at $259 found 4 hours ago

BOS From SFO Economy Coach Packages on Similar Airlines

Raffles Boston

Raffles Boston

5 out of 5
Save 100% on your flight
per person
May 15 - May 21
Roundtrip non-stop flight included
San Francisco (SFO) to Boston (BOS)
Beacon Hill Hotel

Beacon Hill Hotel

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per person
May 15 - May 21
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The Ritz-Carlton, Boston

The Ritz-Carlton, Boston

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Don't see what you're looking for?
See all available trips from San Francisco Intl. to Logan Intl.
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Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from SFO to Logan Intl. Airport (BOS) right now?
For information on any current Logan Intl. Airport quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught out.
What terminal is United Airlines at San Francisco Airport?
If you’re flying with United Airlines from San Francisco Airport, you’ll generally be boarding from terminal 3. If you’re heading to Logan Intl. Airport (BOS) from here, you’re likely to be filing off the aircraft at terminal B.
Are there United Airlines non-stop flights from SFO to BOS?
With United Airlines offering nonstop services from San Francisco Intl. Airport (SFO) to Logan Intl. Airport, you can’t go wrong. Say goodbye to the stress, hassle and baggage hiccups often associated with stopovers, and lock in your seat today.
How long is a United Airlines flight from SFO to BOS?
Squeeze in some in-flight shut-eye and begin your getaway feeling refreshed. You’ll have enough time to do so when traveling with United Airlines between San Francisco Airport and Logan Intl. Airport, with the flight taking on average 6 hours and 17 minutes.
What type of aircraft does United Airlines fly from SFO to BOS?
United Airlines commonly uses the Boeing 757-200 or the Boeing 737 MAX 9 on the flight path between SFO and BOS.
How many direct and indirect flights does United Airlines fly from SFO to BOS?
You can choose from approximately 6 United Airlines flights daily from SFO to BOS.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to BOS, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart SFOArrive BOSSat
4/20		Sun
4/21		Mon
4/22		Tue
4/23		Wed
4/24		Thu
4/25		Fri
4/26		Stops
UA264708:35 am05:27 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA144901:15 pm10:04 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA35402:40 pm11:29 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA166511:25 pm08:18 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA58907:09 pm05:56 am
-
Check FareCheck Fare
-
Check FareCheck FareCheck Fare
1 Stops

Discover our best United flight from San Francisco SFO to Boston BOS 

To find the best deals on flights to San Francisco from Boston with United, just enter your travel dates, filter by United, and hit search. You’ll find 5 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Francisco SFO to Boston BOS with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $218 to $259, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Francisco SFO to Boston BOS 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Francisco to Boston costs from $118. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Boston BOS from  San Francisco SFO with United 

To find a cheap United flight from San Francisco SFO to Boston BOS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Francisco SFO to Boston BOS 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from San Francisco SFO to Boston BOS with United 

If you’re keen to be on Boston soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 11 hour(s) 49 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Francisco SFO to Boston BOS 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Boston BOS from  San Francisco SFO with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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