Flights Boston → Firenze (FI)
As of November 2026, economy flights from Boston to Firenze (FI) have a typical range USD 487–1635, median USD 551. Full range across all 231 offers: USD 317–8362. We analyzed 231 offers from 31 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Boston → Firenze (FI)
Based on 231 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → Firenze (FI)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| TAP Air Portugal | — | — | — |
| British Airways | — | — | — |
| American Airlines | — | — | — |
| British Airways | — | USD 14 | — |
| SWISS | — | — | — |
| Iberia | — | — | — |
| United | — | — | — |
| Air France | — | — | — |
| Delta | — | — | — |
| KLM | — | — | — |
| Lufthansa | — | — | — |
| Austrian Airlines | — | — | — |
| Air Canada | — | — | — |
| Finnair | — | — | — |
| Brussels Airlines | — | — | — |
| Azores Airlines | — | — | — |
| Condor | — | — | — |
| ITA Airways | — | — | — |
| JetBlue | — | — | — |
| Icelandair | — | — | — |
| Turkish Airlines | — | — | — |
| Scandinavian Airlines | — | — | — |
| Cathay Pacific | — | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Boston to Firenze (FI) cost?
Based on 231 offers · November 2026
Boston to Firenze (FI) flights ranged from USD 317 to USD 8362 across 231 offers analyzed in November 2026. The chart below shows how prices distributed across all 231 offers.
These 231 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 496 and USD 768
What hidden fees do Boston to Firenze (FI) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to Firenze (FI) routes. The breakdown below is based on 231 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| TP | 10 | 1% |
| BA | 15 | 3% |
| AA | 10 | 2% |
| British Airways | 14 | 3% |
| LX | 12 | 1% |
| IB | 12 | 2% |
| UA | 10 | 1% |
| AF | 12 | 2% |
| DL | 26 | 4% |
| KL | 12 | 2% |
| LH | 15 | 1% |
| OS | 10 | 1% |
| AC | 12 | 1% |
| AY | 10 | 1% |
| SN | 10 | 2% |
| S4 | 8 | 1% |
| DE | 10 | 1% |
| AZ | 10 | 1% |
| B6 | 10 | 1% |
| FI | 10 | 1% |
| TK | 10 | 1% |
| SK | 10 | 0% |
| CX | 50 | 1% |
Delta Air Lines: base ~USD 683 + fees USD 26 = ~USD 709 total. Finnair: base ~USD 704 + fees USD 10 = ~USD 714 total.
Delta Air Lines's USD 26 ancillary fees narrow the gap with Finnair's lower-fee model — the USD 21 base difference shrinks to USD 5 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Boston to Firenze (FI)?
31 airlines flew Boston to Firenze (FI) in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 TP|VY | 1 | — | 317 | n/a |
 Tap Air Portugal | 1 | — | 446 | n/a |
 British Airways | 1 | — | 471 | 14 (3%) |
 American | 2 | 471–475 | 473 | n/a |
 SWISS | 1 | — | 488 | n/a |
 Delta | 7 | 489–500 | 489 | n/a |
 Air France | 3 | — | 489 | n/a |
 Austrian | 2 | — | 497 | n/a |
 Lufthansa | 8 | 496–515 | 514 | n/a |
 United Airlines | 27 | 496–1643 | 515 | 10 (2%) |
 TAP Air Portugal | 19 | 407–1425 | 546 | 10 (2%) |
 American Airlines | 11 | 475–653 | 556 | 10 (2%) |
 Iberia | 6 | 493–1118 | 558 | 12 (2%) |
 Lufthansa | 15 | 504–3908 | 570 | 15 (3%) |
 British Airways | 12 | 470–721 | 572 | 15 (3%) |
 Air France | 14 | 489–709 | 599 | 12 (2%) |
 KLM | 14 | 489–720 | 605 | 12 (2%) |
 Air Canada | 15 | 506–863 | 614 | 12 (2%) |
 Swiss | 10 | 486–3881 | 625 | 12 (2%) |
 Brussels Airlines | 1 | — | 625 | 10 (2%) |
 Azores Airlines | 2 | 678–680 | 679 | 8 (1%) |
 Delta Air Lines | 23 | 489–741 | 709 | 26 (4%) |
 Finnair | 2 | 637–791 | 714 | 10 (1%) |
 Austrian | 8 | 497–2302 | 826 | 10 (1%) |
 AZ | 1 | — | 836 | 10 (1%) |
 B6 | 2 | 964–996 | 980 | 10 (1%) |
 Condor | 12 | 951–1132 | 992 | 10 (1%) |
 Icelandair | 3 | 1061–1232 | 1066 | 10 (1%) |
 Turkish Airlines | 1 | — | 1166 | 10 (1%) |
 SAS | 6 | 3403–3408 | 3407 | 10 (0%) |
 Cathay Pacific | 1 | — | 8283 | 50 (1%) |
Where do the best Boston → Firenze (FI) prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Boston to Firenze (FI) flights
- Full-service carriers on Boston–Firenze (FI) cost 1.0x more than budget airlines (USD 975 vs USD 980 median; overall median USD 551).
- CX charges 6.3x more in ancillary fees than S4 — USD 50 vs USD 8 avg per booking.
- The same route priced USD 392 apart depending on where it was booked — the lowest median was USD 317. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Boston to Firenze (FI) cost?
- Based on 231 offers analyzed, Boston to Firenze (FI) flights range from USD 317 to USD 8362, with a median price of USD 551. Search for your specific dates →
- What hidden fees should I expect on Boston to Firenze (FI) flights?
- On average, ancillary fees (bags, seat selection) add USD 13 to the base fare on Boston to Firenze (FI) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to Firenze (FI) including all fees?
- TP|VY has the lowest median fare on Boston to Firenze (FI) at USD 317 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–Firenze (FI) flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 317. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to Firenze (FI) routes?
- Boston to Firenze (FI) has 31 airlines competing, creating a price range from USD 317 to USD 8362 across 231 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
31 airlines compete on this route — we check every one
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