Your next trip, last seen at €270
Lowest observedAer Lingus · 2 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €270, departing 4 Dec 2026 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Aer Lingus, Air Canada, Austrian Airlines, Finnair, Iberia, Icelandair, JetBlue, KLM, Lufthansa, Ryanair, Swiss, TAP Air Portugal, United Airlines, Vueling (14)
- Typical journey time
- 19h 45m
About this route
Explore the fares we observed from Boston to Florence. Prices move often, so pick your dates to see the latest options.
- Route distance
- 6,393 km
- Typical journey time
- 19h 45m
- Seen on fares with a connection
- TAP Air Portugal, Aer Lingus, Vueling, United Airlines, Ryanair, Iberia, Air Canada, Swiss, JetBlue, Icelandair, Finnair, KLM (12)
- Alternative airports
- PSM
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
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.
- Florence Airport (FLR) → Florence, city gazetteer reference point (43.7687, 11.2569): ≈ 6 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.
Lowest one-way fare we saw per airline
Cheapest airline from Boston to Florence: Aer Lingus, from €270 (checked 18 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Aer Lingus | €270Dec 4, 2026 | 39 |
| Vueling | €273Dec 5, 2026 | 8 |
| Ryanair | €282Jan 14, 2027 | 3 |
| TAP Air Portugal | €331Nov 1, 2026 | 13 |
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 Boston to Florence?
The lowest fare Routavio has observed is €270, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boston to Florence?
In our observations December 2026 is the cheapest month so far, at €270.
Are there direct flights from Boston to Florence?
Our data holds no non-stop flight from Boston to Florence. The fares on this page include at least one stop.
Which airlines fly from Boston to Florence?
Routavio has seen these carriers on the route: Aer Lingus, Air Canada, Austrian Airlines, Finnair, Iberia, Icelandair, JetBlue, KLM, Lufthansa, Ryanair, Swiss, TAP Air Portugal, United Airlines, Vueling (14).
How long does the flight from Boston to Florence take?
Across the 78 fares Routavio observed, the average journey time is 22h 39m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boston to Florence fares were non-stop?
None of the 78 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Boston to Florence?
Cheapest airline from Boston to Florence: Aer Lingus, from €270 (checked 18 Oct 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.