San Jose (United States) to Boston flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for San Jose to Boston is €124 with Alaska Airlines (checked on 5 Nov 2026).
Your next trip, last seen at €124
Alaska Airlines · 1 stop · One wayWhen to fly
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One-way fare
- Lowest observed
- €124, departing 4 Dec 2026 (Last checked: 5 Nov 2026)One-way fareCheck live prices for this route
- Round trip
- €278, departing 4 Dec 2026, back 7 Dec 2026 (Last checked: 13 Nov 2026)
- Airlines seen
- Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines, WestJet (7)
- Fastest observed flight time
- 6h 15m
- Non-stop
- Yes
About this route
Explore the fares we observed from San Jose to Boston. Prices move often, so pick your dates to see the latest options.
- Route distance
- 4,311 km
- Fastest observed flight time
- 6h 15m
- Airlines seen
- Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines, WestJet (7)
- Alternative airports
- PSM
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €163 | 5 Nov 2026 | |
| €167 | 6 Nov 2026 | |
| €164 | 7 Nov 2026 | |
| €164 | 8 Nov 2026 | |
| €162 | 5 Nov 2026 | |
| €187 | 6 Nov 2026 | |
| €187 | 6 Nov 2026 | |
| €180 | 6 Nov 2026 | |
| €135 | 5 Nov 2026 | |
| €135 | 6 Nov 2026 | |
| €136 | 5 Nov 2026 | |
| €124 | 5 Nov 2026 | |
| €136 | 6 Nov 2026 | |
| €163 | 5 Nov 2026 | |
| €135 | 5 Nov 2026 | |
| €135 | 6 Nov 2026 | |
| €135 | 6 Nov 2026 | |
| €135 | 5 Nov 2026 | |
| €139 | 6 Nov 2026 | |
| €135 | 5 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest one-way fare we saw per airline
Cheapest airline from San Jose to Boston: Alaska Airlines, €124 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Alaska Airlines | €124Dec 4, 2026 | 77 |
| Frontier Airlines | €124Jan 12, 2027 | 12 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from San Jose to Boston?
The lowest fare Routavio has observed is €124, found on 5 Nov 2026.
Are there direct flights from San Jose to Boston?
Yes. Published schedules report non-stop flights on this route with JetBlue.
Which airlines fly from San Jose to Boston?
Routavio has seen these carriers on the route: Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines, WestJet (7).
How long does the flight from San Jose to Boston take?
Across the 118 fares Routavio observed, the average journey time is 14h 28m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How much is a round trip from San Jose to Boston?
Cheapest round trip: €278, departing 4 Dec 2026, back 7 Dec 2026 (checked 13 Nov 2026).
Which airline has the lowest fare from San Jose to Boston?
Cheapest airline from San Jose to Boston: Alaska Airlines, €124 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.