Cheap flights from Boston to Santiago from $277
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Santiago departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Boston to Santiago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Copa Airlines flights from Boston to Santiago
Our best Copa Airlines deals on Boston to Santiago flight tickets
Avianca flights from Boston to Santiago
Our best Avianca deals on Boston to Santiago flight tickets
See travel insights to Santiago from
How to get the cheapest flight ticket from Boston to Santiago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Santiago?
In general, September is the cheapest month to fly from Boston to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $714. If you don’t want to visit Santiago in September, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $743.
What is the cheapest day to depart on your flight to Santiago?
The cheapest day to depart on your flight to Santiago is on a Sunday when prices can be found for as low as $836. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Saturday is $947.
What is the cheapest time of day to depart on your flight to Santiago?
In the evening is the cheapest time of day to fly from Boston to Santiago when you can find flight prices for as low as $698. Flying to Santiago in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Santiago, so prices are often more expensive at around $1,076 per ticket.
How far in advance should I book a flight to Santiago?
You are more likely to see cheaper flights to Santiago from Boston when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $872 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Boston for as low as $740 on momondo.
What is the cheapest airline that flies from Boston Logan Intl to Santiago Arturo Merino Benitez?
Avianca, Copa Airlines, and LATAM Airlines are the most popular carriers operating from Boston Logan Intl to Santiago Arturo Merino Benitez
What airlines fly to Santiago?
LATAM Airlines, Delta and American Airlines are the top three most popular airlines that fly to Santiago from Boston according to our data. LATAM Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Santiago. Keep in mind that there are 7 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Santiago
Cheap Boston to Santiago (BOS to SCL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Santiago
How far is Boston Logan Intl to Santiago Arturo Merino Benitez by plane?
There are 5234.3 mi between Boston Logan Intl and Santiago Arturo Merino Benitez. Flights usually cover this in 12h 59m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?
Prices for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?
As of April 2025, there are 7 operators available to choose from for flights from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Santiago Arturo Merino Benitez Airport.
What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?
The travel and health documents you'll need for your trip to Santiago Arturo Merino Benitez Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Santiago?
momondo data reveals that the most frequently booked airline on the route from Boston to Santiago is LATAM Airlines, representing 37% of all bookings. The subsequent popular airlines are Delta at 29%, American Airlines at 16%, and Copa Airlines at 8%.
Best airlines flying from Boston to Santiago
Compare and see reviews for airlines that fly from Boston to Santiago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $524 | Free Cancellation | Rating 6.7 2,316 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 7.5 1,409 reviews | |||
| PriceFrom $661 | Free Cancellation | Rating 7.5 1,761 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 7.0 9,139 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $737 | Free Cancellation | Rating 8.0 7,916 reviews |
Traveling to a place near Santiago?
Book flights to Santiago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Santiago?
It is quick and easy to find Boston to Santiago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santiago that suits you.
Can I find flights from Boston to Santiago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Santiago from Boston which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Boston to Santiago?
momondo provides multiple filters to help you find the best flight to Santiago from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Boston to Santiago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Boston to Santiago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.