$270 Cheap Flights from Boston (BOS) to Santiago (SCL)

View $270 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Santiago Intl. Airport (SCL)

Cheap Flights from Boston to Santiago (BOS-SCL)

Prices were available within the past 7 days and start at $270 for one-way flights and $532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Wed, Nov 12 - Wed, Dec 3
BOS
Boston
SCL
Santiago
$532 Roundtrip, found 1 day ago
$532
Roundtrip
found 1 day ago
Select Copa flight, departing Wed, Nov 12 from Boston to Santiago, returning Wed, Dec 3, priced at $532 found 1 day ago
Delta
Mon, Nov 17 - Thu, Nov 20
BOS
Boston
SCL
Santiago
$534 Roundtrip, found 8 hours ago
$534
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Nov 17 from Boston to Santiago, returning Thu, Nov 20, priced at $534 found 8 hours ago
American Airlines
Fri, Jan 9 - Mon, Feb 9
BOS
Boston
SCL
Santiago
$544 Roundtrip, found 5 hours ago
$544
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Jan 9 from Boston to Santiago, returning Mon, Feb 9, priced at $544 found 5 hours ago
American Airlines
Thu, Jan 8 - Sat, Jan 24
BOS
Boston
SCL
Santiago
$549 Roundtrip, found 7 hours ago
$549
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Jan 8 from Boston to Santiago, returning Sat, Jan 24, priced at $549 found 7 hours ago
JetBlue Airways
Tue, Nov 11 - Thu, Nov 20
BOS
Boston
SCL
Santiago
$549 Roundtrip, found 7 hours ago
$549
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Tue, Nov 11 from Boston to Santiago, returning Thu, Nov 20, priced at $549 found 7 hours ago
LATAM Airlines Group
Wed, Nov 12 - Wed, Dec 3
BOS
Boston
SCL
Santiago
$550 Roundtrip, found 1 day ago
$550
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Wed, Nov 12 from Boston to Santiago, returning Wed, Dec 3, priced at $550 found 1 day ago
Delta
Sat, Nov 15 - Wed, Dec 3
BOS
Boston
SCL
Santiago
$550 Roundtrip, found 2 days ago
$550
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 15 from Boston to Santiago, returning Wed, Dec 3, priced at $550 found 2 days ago
Delta
Mon, Dec 8 - Sun, Dec 21
BOS
Boston
SCL
Santiago
$552 Roundtrip, found 3 days ago
$552
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Dec 8 from Boston to Santiago, returning Sun, Dec 21, priced at $552 found 3 days ago
American Airlines
Sat, Nov 1 - Wed, Dec 3
BOS
Boston
SCL
Santiago
$553 Roundtrip, found 11 hours ago
$553
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Boston to Santiago, returning Wed, Dec 3, priced at $553 found 11 hours ago
LATAM Airlines Group
Thu, Oct 30 - Thu, Nov 13
BOS
Boston
SCL
Santiago
$554 Roundtrip, found 6 hours ago
$554
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Thu, Oct 30 from Boston to Santiago, returning Thu, Nov 13, priced at $554 found 6 hours ago

Find the cheapest month to fly from Boston (BOS) to Santiago (SCL)

November is typically the cheapest month to fly

From $522 - $910 per traveler.

Alternative airports near Santiago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Arturo Merino Benitez SCL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $532
SCL
Arturo Merino Benitez
CheapestClosest
Average driving time to city center17 min
Flights from $532
Flights from Boston (BOS) to Santiago (SCL)
Origin airport
Logan Intl.
Destination airport
Arturo Merino Benitez
Airlines serving
Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$532
Distance
5234 mi

Boston to Santiago Flights

The cheapest times to fly from Boston to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Santiago are during the month of November. You can find some of the cheapest flights from Boston to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Santiago

Sunday is one of the best days to book for cheap flights from Boston to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $270 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL) cost?
Get a cheap one-way flight from $270 or cheap return flight from $532 from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL)?
November is the least expensive month to fly from BOS to SCL. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from BOS to SCL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL)?
Nonstop flights from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to SCL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL)?
Opt for a flight from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL) last-minute?
Holding off until just before your departure to book a flight from BOS to SCL often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a BOS to SCL flight and hotel package?
Booking a BOS to SCL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Arturo Merino Benitez Airport (SCL)?
In most cases, you can modify or cancel your BOS to SCL flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.