Flights Boston → Basseterre
As of November 2026, economy flights from Boston to Basseterre have a typical range USD 1948–3124, median USD 2224. Full range across all 140 offers: USD 1545–4628. We analyzed 140 offers from 6 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 → Basseterre
Based on 140 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → Basseterre
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| American Airlines | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| Sun Country Air | — | — | — |
| Frontier | — | — | — |
| Delta | Included | USD 35 | — |
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 Basseterre cost?
Based on 140 offers · November 2026
Boston to Basseterre flights ranged from USD 1545 to USD 4628 across 140 offers analyzed in November 2026. The chart below shows how prices distributed across all 140 offers.
These 140 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 2121 and USD 2692
What hidden fees do Boston to Basseterre flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to Basseterre routes. The breakdown below is based on 140 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 51 | 2% |
| AC | 31 | 1% |
| SY | 15 | 1% |
| F9 | 10 | 0% |
| DL | 34 | 1% |
American Airlines: base ~USD 2161 + fees USD 51 = ~USD 2212 total. Frontier Airlines: base ~USD 2714 + fees USD 10 = ~USD 2724 total.
American Airlines's USD 51 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 553 base difference shrinks to USD 512 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 Basseterre?
6 airlines flew Boston to Basseterre 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 (American), fares ranged USD 1545–1952 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) |
|---|---|---|---|---|
 American | 6 | 1545–1952 | 1952 | n/a |
 American Airlines | 94 | 1911–2818 | 2212 | 51 (2%) |
 Sun Country Airlines | 4 | 2332–2880 | 2396 | 15 (1%) |
 Frontier Airlines | 5 | 2578–3174 | 2724 | 10 (0%) |
 Air Canada | 27 | 2259–4294 | 2926 | 31 (1%) |
 Delta Air Lines | 4 | 3115–3376 | 3246 | 34 (1%) |
Where do the best Boston → Basseterre 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 Basseterre flights
- Full-service carriers on Boston–Basseterre cost 0.9x more than budget airlines (USD 2546 vs USD 2724 median; overall median USD 2224).
- AA charges 5.1x more in ancillary fees than F9 — USD 51 vs USD 10 avg per booking.
- The same route priced USD 1027 apart depending on where it was booked — the lowest median was USD 1952. 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 Basseterre cost?
- Based on 140 offers analyzed, Boston to Basseterre flights range from USD 1545 to USD 4628, with a median price of USD 2224. Search for your specific dates →
- What hidden fees should I expect on Boston to Basseterre flights?
- On average, ancillary fees (bags, seat selection) add USD 44 to the base fare on Boston to Basseterre flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to Basseterre including all fees?
- American has the lowest median fare on Boston to Basseterre at USD 1952 (median across 6 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–Basseterre 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 1952. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to Basseterre routes?
- Boston to Basseterre has 6 airlines competing, creating a price range from USD 1545 to USD 4628 across 140 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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