Flights Basseterre → San Francisco
As of November 2026, economy flights from Basseterre to San Francisco have a typical range USD 746–3452, median USD 1408. Full range across all 69 offers: USD 593–4681. We found 68% of 69 offers from budget carriers (around USD 1355) and 32% from full-service carriers (around USD 1786).
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: Basseterre → San Francisco
Based on 69 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Basseterre → San Francisco
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 | — |
| Delta | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| United | Included | USD 35 | — |
| British Airways | Included | USD 65 | — |
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 Basseterre to San Francisco cost?
Based on 69 offers · November 2026
Basseterre to San Francisco flights ranged from USD 593 to USD 4681 across 69 offers analyzed in November 2026. Two fare clusters detected: budget fares around 1615 and premium fares around 4068 The chart below shows how prices distributed across all 69 offers.
These 69 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 972 and USD 1785
What hidden fees do Basseterre to San Francisco flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Basseterre to San Francisco routes. The breakdown below is based on 69 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 49 | 4% |
| DL | 28 | 3% |
| AC | 35 | 3% |
| UA | 37 | 1% |
| BA | 80 | 2% |
American Airlines: base ~USD 1022 + fees USD 49 = ~USD 1071 total. Air Canada: base ~USD 1147 + fees USD 35 = ~USD 1182 total.
American Airlines's USD 49 ancillary fees narrow the gap with Air Canada's lower-fee model — the USD 125 base difference shrinks to USD 111 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.BA charges 2.9x more in ancillary fees than DL on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Basseterre to San Francisco?
11 airlines flew Basseterre to San Francisco in this dataset. The route shows a clear split between low-cost and full-service carriers. 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 661–897 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 | 661–897 | 789 | n/a |
 Delta Air Lines | 2 | 821–988 | 904 | 28 (3%) |
 Delta | 6 | 685–1389 | 1034 | n/a |
 American Airlines | 23 | 746–1898 | 1071 | 49 (5%) |
 Air Canada | 9 | 1009–1656 | 1182 | 35 (3%) |
 Cape Air | 1 | — | 1355 | n/a |
 9K | 4 | 1467–1786 | 1786 | n/a |
 Air Canada | 2 | — | 1804 | n/a |
 United | 2 | 1705–1933 | 1819 | n/a |
 United Airlines | 13 | 1586–3968 | 3452 | 37 (1%) |
 British Airways | 1 | — | 4681 | 80 (2%) |
Where do the best Basseterre → San Francisco 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: Basseterre to San Francisco flights
- Basseterre–San Francisco had 69 offers analyzed. Median price: USD 1408.
- BA charges 2.9x more in ancillary fees than DL — USD 80 vs USD 28 avg per booking.
- The same route priced USD 647 apart depending on where it was booked — the lowest median was USD 1031. 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 Basseterre to San Francisco cost?
- Based on 69 offers analyzed, Basseterre to San Francisco flights range from USD 593 to USD 4681, with a median price of USD 1408. Search for your specific dates →
- What hidden fees should I expect on Basseterre to San Francisco flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on Basseterre to San Francisco flights. See itemized fees for your itinerary →
- Which airline is cheapest on Basseterre to San Francisco including all fees?
- American has the lowest median fare on Basseterre to San Francisco at USD 789 (median across 6 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Basseterre–San Francisco 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 1031. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Basseterre to San Francisco routes?
- Basseterre to San Francisco has 11 airlines competing, creating a price range from USD 593 to USD 4681 across 69 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
11 airlines, two price clusters — find which fits your budget
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