Flights Boston → São Paulo
As of November 2026, economy flights from Boston to São Paulo have a typical range USD 776–1223, median USD 873. Full range across all 230 offers: USD 533–15222. We analyzed 230 offers from 12 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 → São Paulo
Based on 230 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → São Paulo
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| LATAM Airlines | Included | USD 140 | — |
| Copa Airlines | Included | — | — |
| GOL Linhas Aéreas | Included | USD 100 | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| Avianca | Included | USD 30 | — |
| Virgin Atlantic | Included | Included | — |
| SWISS | Included | USD 40 | — |
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 São Paulo cost?
Based on 230 offers · November 2026
Boston to São Paulo flights ranged from USD 533 to USD 15222 across 230 offers analyzed in November 2026. The chart below shows how prices distributed across all 230 offers.
These 230 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 869 and USD 873
What hidden fees do Boston to São Paulo flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to São Paulo routes. The breakdown below is based on 230 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| LA | 48 | 3% |
| CM | 33 | 4% |
| G3 | 126 | 15% |
| DL | 57 | 7% |
| AA | 45 | 5% |
| UA | 45 | 5% |
| AC | 42 | 4% |
| AV | 40 | 3% |
| VS | 20 | 1% |
| LX | 52 | 0% |
GOL: base ~USD 650 + fees USD 126 = ~USD 776 total. Virgin Atlantic: base ~USD 3394 + fees USD 20 = ~USD 3414 total.
GOL's USD 126 ancillary fees narrow the gap with Virgin Atlantic's lower-fee model — the USD 2744 base difference shrinks to USD 2638 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 São Paulo?
12 airlines flew Boston to São Paulo 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.
Even on the cheapest airline (GOL), fares ranged USD 776–1255 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 GOL | 26 | 776–1255 | 776 | 126 (16%) |
 Copa Airlines | 16 | 775–1330 | 787 | 33 (4%) |
 LATAM | 14 | — | 869 | n/a |
 LATAM Airlines | 79 | 868–2142 | 873 | 48 (5%) |
 Delta Air Lines | 52 | 868–873 | 873 | 57 (7%) |
 American Airlines | 21 | — | 873 | 45 (5%) |
 United Airlines | 14 | 873–876 | 873 | 45 (5%) |
 Air Canada | 4 | 920–962 | 926 | 42 (5%) |
 AM | 1 | — | 1353 | n/a |
 Avianca | 1 | — | 1393 | 40 (3%) |
 Virgin Atlantic | 1 | — | 3414 | 20 (1%) |
 Swiss | 1 | — | 15222 | 52 (0%) |
Where do the best Boston → São Paulo prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency 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 São Paulo flights
- Boston–São Paulo had 230 offers analyzed. Median price: USD 873.
- G3 charges 6.3x more in ancillary fees than VS — USD 126 vs USD 20 avg per booking.
- The same route priced USD 4 apart depending on where it was booked — the lowest median was USD 869. 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 São Paulo cost?
- Based on 230 offers analyzed, Boston to São Paulo flights range from USD 533 to USD 15222, with a median price of USD 873. Search for your specific dates →
- What hidden fees should I expect on Boston to São Paulo flights?
- On average, ancillary fees (bags, seat selection) add USD 58 to the base fare on Boston to São Paulo flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to São Paulo including all fees?
- GOL has the lowest median fare on Boston to São Paulo at USD 776 (median across 26 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–São Paulo 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 869. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to São Paulo routes?
- Boston to São Paulo has 12 airlines competing, creating a price range from USD 533 to USD 15222 across 230 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
12 airlines compete on this route — we check every one
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers