Delta flights to San Francisco from Boston

View S$128 flight on Tue, 10 Feb, 2026Opens in a new window
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Delta flights from Boston to San Francisco (BOS→SFO)

Prices were available within the past 7 days and start at S$128 for one-way flights and S$295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 15 Jan - Wed, 21 Jan
BOS
Boston
SFO
San Francisco
S$295 Return, found 3 days ago
S$295
Return
found 3 days ago
Select Delta flight, departing Thu, 15 Jan from Boston to San Francisco, returning Wed, 21 Jan, priced at S$295 found 3 days ago
Delta
Tue, 10 Feb - Thu, 12 Feb
BOS
Boston
SFO
San Francisco
S$311 Return, found 2 days ago
S$311
Return
found 2 days ago
Select Delta flight, departing Tue, 10 Feb from Boston to San Francisco, returning Thu, 12 Feb, priced at S$311 found 2 days ago
Delta
Thu, 22 Jan - Sun, 25 Jan
BOS
Boston
SFO
San Francisco
S$321 Return, found 1 day ago
S$321
Return
found 1 day ago
Select Delta flight, departing Thu, 22 Jan from Boston to San Francisco, returning Sun, 25 Jan, priced at S$321 found 1 day ago
Delta
Fri, 9 Jan - Sun, 11 Jan
BOS
Boston
SFO
San Francisco
S$322 Return, found 5 days ago
S$322
Return
found 5 days ago
Select Delta flight, departing Fri, 9 Jan from Boston to San Francisco, returning Sun, 11 Jan, priced at S$322 found 5 days ago
Delta
Thu, 15 Jan - Wed, 21 Jan
BOS
Boston
SFO
San Francisco
S$361 Return, found 3 days ago
S$361
Return
found 3 days ago
Select Delta flight, departing Thu, 15 Jan from Boston to San Francisco, returning Wed, 21 Jan, priced at S$361 found 3 days ago
Delta
Thu, 15 Jan - Wed, 21 Jan
BOS
Boston
SFO
San Francisco
S$374 Return, found 3 days ago
S$374
Return
found 3 days ago
Select Delta flight, departing Thu, 15 Jan from Boston to San Francisco, returning Wed, 21 Jan, priced at S$374 found 3 days ago

Find the cheapest month to fly from Boston (BOS) to San Francisco (SFO)

May is typically the cheapest month to fly

From S$207 - S$384 per traveller.
Boston to San Francisco route information
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
Delta
Distance
4315 km
Average flight time
3 hours 51 mins

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
Finding cheap one-way Delta Air Lines flights from BOS to SFO from S$128 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from S$295 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to SFO with Delta Air Lines?
Browse for round-trip or one-way flights to San Francisco in February or April. You could find a cheap fare with Delta Air Lines during these off-peak months.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
Delta Air Lines operates direct flights from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO), with 13 weekly departures. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to show all direct Delta Air Lines flights to SFO.
How long does it take to fly from BOS to SFO with Delta Air Lines?
It takes around 7h 6m to travel nonstop from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) with Delta Air Lines.
Which day of the week has the most Delta Air Lines flights from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
Delta Air Lines has the most flights from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) on Tuesday. With up to 2 daily departures, you'll get the most choice and flexibility on this day.
What airports does Delta Air Lines fly into in San Francisco?
Take a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Francisco, and you'll probably land at San Francisco Intl. Airport (SFO). This is the airline's main hub here.
What type of plane does Delta Air Lines fly from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
Take a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO), and you'll probably board an Airbus A321neo. Keep in mind though, that the aircraft type can change depending on operational needs.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
It's generally possible to cancel or reschedule your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Make use of our "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to revise your plans. To make changes, go to "Trips," select your flight and click on "Manage Booking" for more details.

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