Cheap Flights from San Francisco to Boston
Browse current best options from San Francisco. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
San Francisco
RatePunk searches hundreds of travel sites at once for deals on flights to Boston
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from San Francisco to Boston
Explore current cheapest deals departing from San Francisco to Boston
Round trip
Sort by: Cheapest
August 12 - August 28
SFO - Boston
$412
$234
Round trip
August 12 - August 18
SFO - Boston
$408
$236
Round trip
September 1 - September 8
SFO - Boston
$306
$236
Round trip
August 4 - August 18
SFO - Boston
$360
$237
Round trip
August 4 - August 19
SFO - Boston
$354
$237
Round trip
September 15 - September 30
SFO - Boston
$322
$240
Round trip
September 26 - September 30
SFO - Boston
$373
$241
Round trip
September 8 - September 11
SFO - Boston
$363
$243
Round trip
August 18 - August 22
SFO - Boston
$429
$244
Round trip
August 12 - August 25
SFO - Boston
$376
$245
Round trip
Unlock all 500+ flight deals to Boston and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from San Francisco to Boston
How much is a round trip from San Francisco to Boston
Regular price: $321 - $714
Prices for flights from San Francisco to Boston are currently below the regular range.
The regular price range for flights from San Francisco to Boston is between $321 and $714. The current lowest deal is $234 with JetBlue Airways, for travel from Aug 12-Aug 28.
now $234
Low $321
High $714
The cheapest time to fly from San Francisco to Boston
The cheapest month to fly from SFO to BOS is October, with a median price of $192. The most expensive month is June, with a median price of $667. Prices are generally lower from January to December.
October
Flights from $192
June
Flights from $667
Direct flights from San Francisco to Boston
JetBlue Airways
Last-minute flights going from San Francisco to Boston
Sun, Jun 28
SFO - Boston
San Francisco (SFO) - Boston (BOS)
JetBlue Airways
$570
$310
One-way
Mon, Jul 6
SFO - Boston
San Francisco (SFO) - Boston (BOS)
JetBlue Airways
$436
$287
One-way
Mon, Jul 6
SFO - Boston
San Francisco (SFO) - Boston (BOS)
Deutsche Luft Hansa
$475
$308
One-way
Tue, Jul 7
SFO - Boston
San Francisco (SFO) - Boston (BOS)
Deutsche Luft Hansa
$474
$257
One-way
Tue, Jul 7
SFO - Boston
San Francisco (SFO) - Boston (BOS)
American Airlines
$423
$265
One-way
Tue, Jul 7
SFO - Boston
San Francisco (SFO) - Boston (BOS)
JetBlue Airways
$475
$268
One-way
Biggest price drops on these dates for flights from San Francisco to Boston
Jun 28 - Jun 30
$570 → $310
46%
Aug 25 - Aug 28
$476 → $253
47%
Jul 7 - Jul 11
$474 → $257
46%
Jul 8 - Jul 11
$473 → $257
46%
Popular Airports to fly from San Francisco to Boston
San Francisco - Boston route insights
💸 Price insights
Recent fares are below the typical level
Recent fares from San Francisco to Boston are below the typical level, with 9% good prices.
📅 Best time to fly
Fly in November or October for deals
Historically, November and October offer the lowest median prices at $192 for SFO to BOS.
⏱️ Flight duration
Typical flight time is 12h 38m
Flights from San Francisco to Boston typically take 12 hours and 38 minutes.
✈️ Airlines & availability
Mixed direct flight availability
About 45% of recent deals are for direct flights, with connecting flights having 2 stopovers.
🏆 Airline highlight
JetBlue Airways offers direct flights
JetBlue Airways is a key airline providing direct flights on the San Francisco to Boston route.
🎯 Booking tip
Deals are frequent for this route
Deals for flights from San Francisco to Boston are frequent, with over 1 deal per day.
San Francisco main airports to depart from
San Francisco International (SFO)
San Francisco International is a key departure point for flights to Boston.
📍 ~19 km from San Francisco city center (reachable by car or train)
💸 Flights from ~$234
Boston main airports to arrive at
Logan International (BOS)
Logan International Airport is the primary arrival airport for flights to Boston.
📍 ~5 km from Boston (reachable by car, public transport, and ferry)
💸 Flights from ~$234
Airports nearby Boston used as alternative
Rhode Island T. F. Green Int'l Airport (PVD)
Consider PVD as a major regional alternative with a wide range of domestic and some international connections.
📍 ~60 km from Boston (approximately 1 hour drive depending on traffic)
💸 Flights from ~$240
Manchester–Boston Regional (MHT)
MHT is a primary alternative for travelers north of Boston, offering less congestion and efficient services.
📍 ~70 km from Boston
💸 Flights from ~$349
Bradley International (BDL)
BDL is a large international airport serving Southern New England with an extensive carrier list and diverse destinations.
📍 ~140 km from Boston (requiring a nearly 2-hour drive)
💸 Flights from ~$271
Portland International Jetport (PWM)
PWM is a reliable regional jetport with good connectivity for travelers in northern suburbs or heading to Maine.
📍 ~160 km from Boston
💸 Flights from ~$271
Worcester Regional (ORH)
ORH is geographically close to the western Boston suburbs, offering a low-stress environment and short transit times.
📍 ~60 km from Boston
💸 Flights from ~$293
Business & First Class Flight Deals to Boston
Discover luxury on the budget with premium cabin class on flights from San Francisco to Boston.
Elite
Best Elite deals to Boston
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SFO
Elite
Aug 05
Boston, United States
93% AI deal score
$1,635
$881
Save $754
From SFO
Elite
Aug 17
Boston, United States
93% AI deal score
$1,637
$902
Save $735
From SFO
Elite
Aug 05
Boston, United States
93% AI deal score
$1,639
$912
Save $727
From SFO
Elite
Aug 09
Boston, United States
92% AI deal score
$2,047
$1,276
Save $771
From SFO
Elite
Aug 17
Boston, United States
92% AI deal score
$2,187
$1,292
Save $895
From SFO
Elite
Aug 24
Boston, United States
92% AI deal score
$2,191
$1,327
Save $864
From SFO
Elite
Jul 12
Boston, United States
92% AI deal score
$2,338
$1,352
Save $986
From SFO
Elite
Jul 14
Boston, United States
92% AI deal score
$2,336
$1,352
Save $984
From SFO
Elite
Jul 20
Boston, United States
92% AI deal score
$2,271
$1,307
Save $964
From SFO
Elite
Jun 30
Boston, United States
92% AI deal score
$2,507
$1,374
Save $1,133
From SFO
Elite
Jun 27
Boston, United States
92% AI deal score
$2,707
$1,477
Save $1,230
From SFO
Elite
Jul 08
Boston, United States
92% AI deal score
$1,314
$881
Save $433
From SFO
Elite
Jul 08
Boston, United States
92% AI deal score
$1,314
$881
Save $433
From SFO
Elite
Jul 07
Boston, United States
92% AI deal score
$1,318
$881
Save $437
From SFO
Elite
Jul 04
Boston, United States
92% AI deal score
$1,382
$912
Save $470
From SFO
Elite
Aug 05
Boston, United States
92% AI deal score
$1,638
$932
Save $706
From SFO
Elite
Aug 30
Boston, United States
92% AI deal score
$1,643
$932
Save $711
From SFO
Elite
Aug 11
Boston, United States
92% AI deal score
$1,665
$932
Save $733
From SFO
Elite
Aug 14
Boston, United States
92% AI deal score
$1,638
$932
Save $706
From SFO
Elite
Aug 10
Boston, United States
92% AI deal score
$1,689
$943
Save $746
From SFO
Elite
Aug 09
Boston, United States
92% AI deal score
$1,666
$943
Save $723
From SFO
Elite
Jul 09
Boston, United States
91% AI deal score
$2,101
$1,307
Save $794
From SFO
Elite
Aug 07
Boston, United States
91% AI deal score
$2,109
$1,307
Save $802
From SFO
Elite
Jul 04
Boston, United States
91% AI deal score
$2,199
$1,327
Save $872
From SFO
Elite
Aug 08
Boston, United States
91% AI deal score
$2,080
$1,327
Save $753
From SFO
Elite
Jul 13
Boston, United States
91% AI deal score
$2,291
$1,352
Save $939
From SFO
Elite
Jul 12
Boston, United States
91% AI deal score
$2,247
$1,352
Save $895
From SFO
Elite
Aug 17
Boston, United States
91% AI deal score
$2,114
$1,379
Save $735
From SFO
Elite
Jul 19
Boston, United States
91% AI deal score
$2,282
$1,383
Save $899
From SFO
Elite
Jul 07
Boston, United States
91% AI deal score
$2,388
$1,415
Save $973
From SFO
Elite
Jul 05
Boston, United States
91% AI deal score
$2,359
$1,415
Save $944
From SFO
Elite
Jul 07
Boston, United States
91% AI deal score
$2,435
$1,415
Save $1,020
From SFO
Elite
Jul 07
Boston, United States
91% AI deal score
$2,341
$1,415
Save $926
From SFO
Elite
Jul 14
Boston, United States
91% AI deal score
$2,246
$1,418
Save $828
From SFO
Elite
Jul 13
Boston, United States
91% AI deal score
$2,246
$1,418
Save $828
From SFO
Elite
Jul 14
Boston, United States
91% AI deal score
$2,291
$1,418
Save $873
From SFO
Elite
Jul 07
Boston, United States
91% AI deal score
$2,063
$1,245
Save $818
From SFO
Elite
Jul 08
Boston, United States
91% AI deal score
$2,215
$1,295
Save $920
From SFO
Elite
Jul 20
Boston, United States
91% AI deal score
$2,211
$1,327
Save $884
From SFO
Elite
Jul 08
Boston, United States
91% AI deal score
$2,323
$1,337
Save $986
From SFO
Elite
Aug 08
Boston, United States
91% AI deal score
$2,204
$1,347
Save $857
From SFO
Elite
Aug 11
Boston, United States
91% AI deal score
$2,063
$1,352
Save $711
From SFO
Elite
Jul 04
Boston, United States
91% AI deal score
$2,322
$1,377
Save $945
From SFO
Elite
Jul 08
Boston, United States
91% AI deal score
$2,262
$1,391
Save $871
From SFO
Elite
Jun 23
Boston, United States
91% AI deal score
$2,309
$1,436
Save $873
From SFO
Elite
Jul 02
Boston, United States
91% AI deal score
$2,411
$1,477
Save $934
From SFO
Elite
Jul 13
Boston, United States
91% AI deal score
$1,347
$912
Save $435
From SFO
Elite
Jul 09
Boston, United States
91% AI deal score
$1,325
$912
Save $413
From SFO
Elite
Jul 14
Boston, United States
91% AI deal score
$1,318
$932
Save $386
From SFO
Elite
Jul 08
Boston, United States
91% AI deal score
$1,331
$932
Save $399
From SFO
Elite
Jul 12
Boston, United States
91% AI deal score
$1,329
$933
Save $396
From SFO
Elite
Jul 13
Boston, United States
91% AI deal score
$1,326
$933
Save $393
From SFO
Elite
Jul 20
Boston, United States
91% AI deal score
$1,336
$943
Save $393
From SFO
Elite
Sep 26
Boston, United States
91% AI deal score
$1,512
$963
Save $549
From SFO
Elite
Jul 12
Boston, United States
90% AI deal score
$2,098
$1,379
Save $719
From SFO
Elite
Jul 21
Boston, United States
90% AI deal score
$2,099
$1,391
Save $708
From SFO
Elite
Jul 11
Boston, United States
90% AI deal score
$2,108
$1,399
Save $709
From SFO
Elite
Jul 20
Boston, United States
90% AI deal score
$2,087
$1,405
Save $682
From SFO
Elite
Jul 05
Boston, United States
90% AI deal score
$2,168
$1,415
Save $753
From SFO
Elite
Jul 05
Boston, United States
90% AI deal score
$2,289
$1,415
Save $874
From SFO
Elite
Jul 05
Boston, United States
90% AI deal score
$2,207
$1,415
Save $792
From SFO
Elite
Jul 07
Boston, United States
90% AI deal score
$2,166
$1,415
Save $751
From SFO
Elite
Jul 07
Boston, United States
90% AI deal score
$2,278
$1,415
Save $863
From SFO
Elite
Jul 05
Boston, United States
90% AI deal score
$2,176
$1,415
Save $761
From SFO
Elite
Jul 05
Boston, United States
90% AI deal score
$2,225
$1,415
Save $810
From SFO
Elite
Jul 07
Boston, United States
90% AI deal score
$2,196
$1,415
Save $781
From SFO
Elite
Jul 13
Boston, United States
90% AI deal score
$2,186
$1,418
Save $768
From SFO
Elite
Jul 14
Boston, United States
90% AI deal score
$2,125
$1,418
Save $707
From SFO
Elite
Jul 12
Boston, United States
90% AI deal score
$2,187
$1,418
Save $769
From SFO
Elite
Aug 31
Boston, United States
90% AI deal score
$1,860
$1,294
Save $566
From SFO
Elite
Sep 01
Boston, United States
90% AI deal score
$1,813
$1,306
Save $507
From SFO
Elite
Jul 06
Boston, United States
90% AI deal score
$2,132
$1,363
Save $769
From SFO
Elite
Oct 06
Boston, United States
90% AI deal score
$1,453
$963
Save $490
From SFO
Elite
Sep 23
Boston, United States
90% AI deal score
$1,523
$978
Save $545
From SFO
Elite
Jul 14
Boston, United States
89% AI deal score
$2,046
$1,418
Save $628
From SFO
Elite
Jul 12
Boston, United States
89% AI deal score
$2,069
$1,418
Save $651
From SFO
Elite
Jul 14
Boston, United States
89% AI deal score
$2,076
$1,418
Save $658
From SFO
Elite
Jul 13
Boston, United States
89% AI deal score
$2,068
$1,418
Save $650
From SFO
Elite
Jul 12
Boston, United States
89% AI deal score
$2,065
$1,418
Save $647
From SFO
Elite
Jul 13
Boston, United States
89% AI deal score
$2,107
$1,418
Save $689
From SFO
Elite
Jul 14
Boston, United States
89% AI deal score
$2,070
$1,418
Save $652
From SFO
Elite
Jul 13
Boston, United States
89% AI deal score
$2,076
$1,418
Save $658
From SFO
Elite
Jul 13
Boston, United States
89% AI deal score
$2,070
$1,418
Save $652
From SFO
Elite
Jul 13
Boston, United States
89% AI deal score
$2,044
$1,418
Save $626
From SFO
Elite
Jul 14
Boston, United States
89% AI deal score
$2,081
$1,418
Save $663
From SFO
Elite
Aug 25
Boston, United States
89% AI deal score
$1,659
$1,293
Save $366
From SFO
Elite
Jul 18
Boston, United States
89% AI deal score
$2,043
$1,398
Save $645
From SFO
Elite
Jul 02
Boston, United States
89% AI deal score
$2,116
$1,442
Save $674
From SFO
Elite
Aug 11
Boston, United States
88% AI deal score
$1,659
$1,316
Save $343
From SFO
Elite
Aug 07
Boston, United States
88% AI deal score
$1,658
$1,327
Save $331
From SFO
Elite
Jul 07
Boston, United States
88% AI deal score
$1,711
$1,357
Save $354
From SFO
Elite
Jul 02
Boston, United States
88% AI deal score
$2,009
$1,462
Save $547
From SFO
Elite
Jun 19
Boston, United States
88% AI deal score
$2,303
$1,856
Save $447
From SFO
Elite
Jun 23
Boston, United States
88% AI deal score
$2,390
$1,881
Save $509
From SFO
Elite
Aug 10
Boston, United States
87% AI deal score
$1,663
$1,366
Save $297
From SFO
Elite
Jul 08
Boston, United States
87% AI deal score
$1,719
$1,409
Save $310
From SFO
Elite
Jul 19
Boston, United States
86% AI deal score
$1,658
$1,451
Save $207
From SFO
Elite
Aug 12
Boston, United States
76% AI deal score
$2,217
$2,147
Save $70
From SFO
Elite
Jul 10
Boston, United States
74% AI deal score
$2,157
From SFO
Elite
Sep 01
Boston, United States
72% AI deal score
$2,470