
$163 Cheap United flights Boston (BOS) to San Francisco (SFO)
Prices were available within the past 7 days and start at $163 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 25 - Sat, Feb 28
BOS
Boston
SFO
San Francisco
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago

Wed, Feb 25 - Sat, Feb 28
BOS
Boston
SFO
San Francisco
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Find the cheapest month to fly from Boston (BOS) to San Francisco (SFO)
May is typically the cheapest month to fly
From $160 - $296 per traveler.
Origin airport | Logan Intl. |
|---|---|
Destination airport | San Francisco Intl. |
Distance | 4315 km |
Average flight time | 3 hours 48 mins |
Most Popular United Routes from Boston
Most Popular United Routes from San Francisco
- Houston to Philadelphia (IAH - PHL)
- Los Angeles to Miami (LAX - MIA)
- Boston to Rome (BOS - FCO)
- Casper to Minneapolis (CPR - MSP)
- Boston to Rome (BOS - FCO)
- Dallas to Manila (DFW - MNL)
- Seattle to Fayetteville (SEA - XNA)
- Atlanta to Denver (ATL - DEN)
- Amarillo to Burlington (AMA - BTV)
- Newark Liberty Intl. Airport to Lexington (EWR - LEX)
Popular Domestic Routes in San Francisco Intl.
- Portland to Salt Lake City (PDX - SLC)
- Seattle to Fayetteville (SEA - XNA)
- Amarillo to Burlington (AMA - BTV)
- Washington to Indianapolis (IAD - IND)
- Tampa to Newark Liberty Intl. Airport (TPA - EWR)
- Newark Liberty Intl. Airport to Lexington (EWR - LEX)
- Newark Liberty Intl. Airport to Boston (EWR - BOS)
- Portland to Salt Lake City (PDX - SLC)
- Newark Liberty Intl. Airport to Phoenix (EWR - PHX)
- Los Angeles to Miami (LAX - MIA)