Flights Buenos Aires → Santiago
As of November 2026, economy flights from Buenos Aires to Santiago have a typical range USD 243–1645, median USD 358. Full range across all 332 offers: USD 231–3667. We analyzed 332 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: Buenos Aires → Santiago
Based on 332 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Buenos Aires → Santiago
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| LATAM Airlines | — | USD 40 | — |
| Aerolineas Argentinas | — | Included | — |
| JetSMART | — | — | — |
| Sky Airline | — | — | — |
| GOL Linhas Aéreas | Included | USD 100 | — |
| Avianca | Included | USD 30 | — |
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 Buenos Aires to Santiago cost?
Based on 332 offers · November 2026
Buenos Aires to Santiago flights ranged from USD 231 to USD 3667 across 332 offers analyzed in November 2026. The chart below shows how prices distributed across all 332 offers.
These 332 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 262 and USD 862
What hidden fees do Buenos Aires to Santiago flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Buenos Aires to Santiago routes. The breakdown below is based on 332 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| LA | 51 | 4% |
| AR | 12 | 3% |
| JA | 41 | 11% |
| H2 | 29 | 8% |
| G3 | 130 | 16% |
| AV | 40 | 3% |
GOL: base ~USD 655 + fees USD 130 = ~USD 785 total. Avianca: base ~USD 1542 + fees USD 40 = ~USD 1582 total.
GOL's USD 130 ancillary fees narrow the gap with Avianca's lower-fee model — the USD 887 base difference shrinks to USD 797 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 Buenos Aires to Santiago?
6 airlines flew Buenos Aires to Santiago 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 (Aerolíneas Argentinas), fares ranged USD 238–421 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) |
|---|---|---|---|---|
| 58 | 238–421 | 255 | 12 (5%) | |
| 33 | 240–550 | 265 | 29 (11%) | |
| 56 | 252–446 | 327 | 41 (13%) | |
| 12 | 756–813 | 785 | 130 (17%) | |
| 171 | 263–3195 | 862 | 51 (6%) | |
| 2 | — | 1582 | 40 (3%) |
Where do the best Buenos Aires → Santiago 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: Buenos Aires to Santiago flights
- Buenos Aires–Santiago had 332 offers analyzed. Median price: USD 358.
- G3 charges 11.3x more in ancillary fees than AR — USD 130 vs USD 12 avg per booking.
- The same route priced USD 312 apart depending on where it was booked — the lowest median was USD 239. 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 Buenos Aires to Santiago cost?
- Based on 332 offers analyzed, Buenos Aires to Santiago flights range from USD 231 to USD 3667, with a median price of USD 358. Search for your specific dates →
- What hidden fees should I expect on Buenos Aires to Santiago flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on Buenos Aires to Santiago flights. See itemized fees for your itinerary →
- Which airline is cheapest on Buenos Aires to Santiago including all fees?
- Aerolíneas Argentinas has the lowest median fare on Buenos Aires to Santiago at USD 255 (median across 58 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Buenos Aires–Santiago 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 239. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Buenos Aires to Santiago routes?
- Buenos Aires to Santiago has 6 airlines competing, creating a price range from USD 231 to USD 3667 across 332 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
6 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
