Flights Mendoza → Santiago
As of November 2026, economy flights from Mendoza to Santiago have a typical range USD 257–941, median USD 441. Full range across all 219 offers: USD 169–4669. We analyzed 219 offers from 8 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: Mendoza → Santiago
Based on 219 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Mendoza → Santiago
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| JetSMART | — | — | — |
| Sky Airline | — | — | — |
| LATAM Airlines | — | — | — |
| Aerolíneas Argentinas | — | — | — |
| Copa | — | — | — |
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 Mendoza to Santiago cost?
Based on 219 offers · November 2026
Mendoza to Santiago flights ranged from USD 169 to USD 4669 across 219 offers analyzed in November 2026. The chart below shows how prices distributed across all 219 offers.
These 219 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 323 and USD 595
What hidden fees do Mendoza to Santiago flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Mendoza to Santiago routes. The breakdown below is based on 219 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| JA | 7 | 2% |
| H2 | 4 | 1% |
| LA | 17 | 3% |
| AR | 9 | 1% |
| CM | 15 | 1% |
LATAM Airlines: base ~USD 336 + fees USD 17 = ~USD 353 total. JetSMART: base ~USD 407 + fees USD 7 = ~USD 414 total.
LATAM Airlines's USD 17 ancillary fees narrow the gap with JetSMART's lower-fee model — the USD 71 base difference shrinks to USD 61 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 Mendoza to Santiago?
8 airlines flew Mendoza 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 (Sky Airline), fares ranged USD 190–348 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) |
|---|---|---|---|---|
 Sky Airline | 22 | 190–348 | 275 | 4 (1%) |
 LATAM Airlines | 65 | 239–1376 | 353 | 17 (5%) |
 JetSMART | 64 | 259–544 | 414 | 7 (2%) |
 JetSMART | 3 | 361–478 | 478 | n/a |
 Aerolíneas Argentinas | 40 | 494–688 | 549 | 9 (2%) |
 Aerolineas Argentinas | 13 | 690–707 | 690 | n/a |
 LATAM | 5 | 428–900 | 836 | n/a |
 Copa Airlines | 7 | 1652–1653 | 1652 | 15 (1%) |
Where do the best Mendoza → 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: Mendoza to Santiago flights
- Mendoza–Santiago had 219 offers analyzed. Median price: USD 441.
- LA charges 4.1x more in ancillary fees than H2 — USD 17 vs USD 4 avg per booking.
- The same route priced USD 441 apart depending on where it was booked — the lowest median was USD 249. 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 Mendoza to Santiago cost?
- Based on 219 offers analyzed, Mendoza to Santiago flights range from USD 169 to USD 4669, with a median price of USD 441. Search for your specific dates →
- What hidden fees should I expect on Mendoza to Santiago flights?
- On average, ancillary fees (bags, seat selection) add USD 11 to the base fare on Mendoza to Santiago flights. See itemized fees for your itinerary →
- Which airline is cheapest on Mendoza to Santiago including all fees?
- Sky Airline has the lowest median fare on Mendoza to Santiago at USD 275 (median across 22 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Mendoza–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 249. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Mendoza to Santiago routes?
- Mendoza to Santiago has 8 airlines competing, creating a price range from USD 169 to USD 4669 across 219 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
8 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