San Jose to Boston SJC → BOS
Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS)
The cheapest return found recently is $469 with Southwest Airlines, 6 Mar 2027 – 8 Mar 2027, found yesterday. The cheapest one-way found recently is $220 with American Airlines, 27 Nov, found 3 days ago.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$469
6 Mar 2027 – 8 Mar 2027 · Southwest Airlines
Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS)
Leaves 11:00 p.m. · Return leaves 2:20 p.m. · 17 h 30 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$469 6 Mar 2027 – 8 Mar 2027found yesterdaySee prices for these dates
$418 5 Nov – 8 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 24 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $232 to $645.
24 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 6 Mar 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Nov – 8 Nov | $418 | Southwest Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 6 Mar 2027 – 8 Mar 2027 | $469 | Southwest Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $418.
Airlines on the cheapest dates: Southwest Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $212 to $245.
Cheapest one-way found recently
$220
27 Nov · American Airlines
Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS)
Leaves 6:00 a.m. · 10 h 32 min trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$220 27 Novfound 3 days agoOpen this trip
$188 23 Octfound 6 days agoOpen this trip
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $147 to $207.
At $220, the cheapest one-way found recently is above that range.
23 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 23 Oct to 27 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 27 Nov, and it is not cheaper.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct | $188 | Southwest Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | 1 stop | found 6 days ago | Open this trip |
| 20 Nov | $307 | Alaska Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | 2 stops | found 3 days ago | Open this trip |
| 25 Nov | $224 | United Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | 1 stop | found 5 days ago | Open this trip |
| 27 Nov | $220 | American Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Logan International Airport (BOS) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $188.
Airlines on the cheapest dates: Southwest Airlines, Alaska Airlines, United Airlines, American Airlines.
Premium cabin fares from San Jose to Boston
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Mar 2027 – 8 Mar 2027 in another cabin: Premium economy · Business · First
Today's prices for 27 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Jose to Boston?
Return
Fares 30 to 59 days before departure were typically 33% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (24 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $449 | $364 | +49% | 11 |
| 14–29 days | $376 | $301 | +25% | 12 |
| 30–59 days | $301 | $232 | Cheapest seen | 20 |
| 90–179 days | $427 | $427 | +42% | 13 |
One-way
Fares 30 to 59 days before departure were typically 18% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (23 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $198 | $168 | +22% | 16 |
| 7–13 days | $188 | $168 | +16% | 10 |
| 30–59 days | $162 | $156 | Cheapest seen | 12 |
| 60–89 days | $173 | $162 | +7% | 10 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Francisco → Boston
67 km from San Jose
$467
$2 less than flying from San Jose
6 Mar 2027 – 8 Mar 2027 · SFO → BOS · out nonstop, back 1 stop
found yesterday
Oakland → Boston
61 km from San Jose
$488
$19 more than flying from San Jose
6 Mar 2027 – 8 Mar 2027 · OAK → BOS · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Francisco → Boston
67 km from San Jose
$210
$10 less than flying from San Jose
26 Nov · SFO → BOS · 2 stops
found 3 days ago
Oakland → Boston
61 km from San Jose
$229
$9 more than flying from San Jose
26 Nov · OAK → BOS · 1 stop
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 6 Mar 2027 – 8 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work