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Cheap Flights from Buffalo Niagara (BUF) to Santiago (STI)

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Compare Buffalo Niagara to Santiago flight deals

Find the cheapest month or even day of the year to fly to Santiago

Book the best Santiago fare with no extra fees

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Flight deals from Buffalo Niagara to Santiago

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara to Santiago? Find the lowest prices on one-way and return tickets right here.
Santiago.£487 per passenger.Departing Fri, 13 Jun, returning Mon, 16 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Fri, 13 Jun, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Mon, 16 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From £487, select.
Fri, 13 JunBUF - STI with Delta
1 stop
Mon, 16 JunSTI - BUF with Delta
1 stop
from £487
Santiago.£689 per passenger.Departing Sat, 28 Jun, returning Sun, 13 Jul.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Sat, 28 Jun, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Sun, 13 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From £689, select.
Sat, 28 JunBUF - STI with United
1 stop
Sun, 13 JulSTI - BUF with United
1 stop
from £689
Santiago.£712 per passenger.Departing Sat, 26 Jul, returning Mon, 25 Aug.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Sat, 26 Jul, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Mon, 25 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From £712, select.
Sat, 26 JulBUF - STI with United
1 stop
Mon, 25 AugSTI - BUF with United
1 stop
from £712
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Buffalo Niagara to Santiago found in the last 4 days, and are subject to change and availability.

Buffalo Niagara to Santiago: Alternative routes

Compare routes from Buffalo Niagara to Santiago below. You may find an airport to fly into that's cheaper, faster, or easier than Santiago.

Buffalo to Santiago: Flight information

The things to know before you go.
Cheapest flight found£487
Cheapest month to flyJune

Finding cheap flights from Buffalo Niagara to Santiago: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Santiago is £487. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Santiago. But we found flights with one or more stops from £487.
As of May 2025, there are no flights flying from Buffalo Niagara to Santiago.
The cheapest month to fly from Buffalo Niagara to Santiago is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Santiago Airport on Friday, 13 June 2025.
No airlines currently offer direct flights between Buffalo Niagara Airport and Santiago Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santiago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santiago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Santiago.

How to find cheap flights to Santiago (STI) from Buffalo (BUF) in 2025

Looking for cheap tickets from Buffalo Niagara to Santiago? Return tickets start from £487 and one-way flights to Santiago from Buffalo Niagara start from £149


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Buffalo Niagara to Santiago. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Santiago from Buffalo from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Santiago start from £149 one-way.
  • Flex your dates to find the best BUF-STI ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Santiago from Buffalo Niagara.
  • Set up a Price Alert. You can easily track the fare of your cheap Buffalo Niagara-Santiago flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Flexible on when you travel? The cheapest month to fly from Buffalo Niagara to Santiago is June.
  • Fly without stops. Only interested in direct flights between Buffalo Niagara and Santiago? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Buffalo Niagara and Santiago. We scour the internet for the best Business, Premium Economy and First Class flight fares to Santiago, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Buffalo Niagara to Santiago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Buffalo Niagara and Santiago whenever you want.

Combine your flight to Santiago from Buffalo Niagara with hotels and car hire

Once you've secured your cheap flight ticket from Buffalo Niagara to Santiago, discover the best prices and exclusive rates for hotels in Santiago or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Buffalo to Santiago

  • Car hire from Santiago
  • Hotels in Santiago

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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