￥23,150 Cheap United flights San Francisco (SFO) to Boston (BOS)

View ￥23,150 flight on Tue, Jan 20, 2026Opens in a new window
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￥23,150 Cheap United flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at ￥23,150 for one-way flights and ￥41,680 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 12 - Tue, Jan 20
SFO
San Francisco
BOS
Boston
￥41,680 Roundtrip, found 1 hour ago
￥41,680
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jan 12 from San Francisco to Boston, returning Tue, Jan 20, priced at ￥41,680 found 1 hour ago
United
Mon, Jan 12 - Tue, Jan 20
SFO
San Francisco
BOS
Boston
￥49,420 Roundtrip, found 1 hour ago
￥49,420
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jan 12 from San Francisco to Boston, returning Tue, Jan 20, priced at ￥49,420 found 1 hour ago

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

May is typically the cheapest month to fly

From ￥24,883 - ￥44,951 per traveler.

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from ￥57,810
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from ￥57,810
Flights from San Francisco (SFO) to Boston (BOS)
Origin airport
San Francisco Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
American Airlines
Distance
4315 km
Average flight time
8 hours 39 mins

Frequently asked questions

How much is a United Airlines flight from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS)?
Scoring cheap one-way United Airlines flights from SFO to BOS from ￥23,150 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from ￥41,680 for your next exciting vacation.**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 SFO to BOS with United Airlines?
United Airlines flights to Boston are usually more affordable in the quieter months of January and February. Whether you're after a return or one-way ticket, you could land a better deal then.
Does United Airlines fly nonstop from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS)?
Yes, you can fly from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS) on one of United Airlines's 28 weekly direct flights. Use Expedia's "Nonstop" and "Airline" filters to find the United Airlines flight that'll arrive at BOS at your preferred time.
How long does it take to fly from SFO to BOS with United Airlines?
It takes approximately 5h 44m to travel nonstop from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS) with United Airlines.
Which day of the week has the most United Airlines flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS)?
United Airlines has the most flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS) on Friday. With up to 4 daily departures, you'll get the most flexibility on this day.
What airports does United Airlines fly into in Boston?
Logan Intl. Airport (BOS) is the main Boston hub for United Airlines flights from San Francisco Intl. Airport (SFO).
What type of plane does United Airlines fly from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS)?
For the San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS) route, United Airlines typically operates Boeing 757-200 and Boeing 737 MAX 9 planes. Remember that last-minute changes can occur for operational purposes, meaning your flight could be on another aircraft.
Can I change or cancel my United Airlines flight from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS)?
Changes are usually free within 24 hours of booking, but your airline may charge you after that. For further details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your itinerary without additional costs, tick the "Changes included" and "No cancel fee" filters when organizing your trip.

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