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$248+ Cheap flights from Boston (BOS) to Santiago (SCL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Santiago Arturo Merino Benitez are usually found in November or September, booked 36 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap flight deals from Boston to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santiago (SCL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$494
(Cheapflightsfares)

One-way from

$248
(Justfly.com)

Popular in

December

Cheapest in

November

Average price

$871
From Boston Logan Intl to Santiago Arturo Merino Benitez
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One-way flight from Boston Logan Intl to Santiago Arturo Merino Benitez
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Boston to Santiago

Cheapest flights from Boston to Santiago
Explore the most affordable flight options available from Boston to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:00 amBOS - SCL
1 stop19h 15mAvianca
Wed 10/227:10 amSCL - BOS
1 stop25h 05mAvianca
Deal found 6/11$494
This LATAM Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:25 pmBOS - SCL
1 stop16h 35mLATAM Airlines
Mon 11/179:30 pmSCL - BOS
2 stops27h 54mLATAM Airlines
Deal found 6/11$501
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:50 pmBOS - SCL
1 stop13h 05mDelta
Thu 11/279:20 amSCL - BOS
1 stop23h 15mDelta
Deal found 6/11$504
This Copa Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:37 amBOS - SCL
1 stop14h 31mCopa Airlines
Sun 11/164:19 amSCL - BOS
1 stop16h 01mCopa Airlines
Deal found 6/12$512
This LATAM Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:25 pmBOS - SCL
1 stop16h 35mMultiple Airlines
Mon 11/1710:55 pmSCL - BOS
1 stop16h 53mMultiple Airlines
Deal found 6/12$513
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:15 pmBOS - SCL
2 stops18h 45mAmerican Airlines
Tue 6/179:55 pmSCL - BOS
1 stop16h 33mAmerican Airlines
Deal found 6/11$668
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:55 pmBOS - SCL
1 stop21h 15mAir Canada
Tue 12/28:50 pmSCL - BOS
1 stop15h 07mAir Canada
Deal found 6/11$783

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Santiago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Boston to Santiago that are best for you.

Fly from

Boston

Fly to

Santiago

Route

Depart

Return

Price

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 10/7

9:00 am-5:15 am

1 stop19h 15m

Santiago Arturo Merino Benitez

Wed 10/22

7:10 am-7:15 am

1 stop25h 05m

$494

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 11/10

12:25 pm-7:00 am

1 stop16h 35m

Santiago Arturo Merino Benitez

Mon 11/17

9:30 pm-11:24 pm

2 stops27h 54m

$501

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 11/24

3:50 pm-6:55 am

1 stop13h 05m

Santiago Arturo Merino Benitez

Thu 11/27

9:20 am-6:35 am

1 stop23h 15m

$504

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 11/10

7:37 am-12:08 am

1 stop14h 31m

Santiago Arturo Merino Benitez

Sun 11/16

4:19 am-6:20 pm

1 stop16h 01m

$512

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 11/10

12:25 pm-7:00 am

1 stop16h 35m

Santiago Arturo Merino Benitez

Mon 11/17

10:55 pm-1:48 pm

1 stop16h 53m

$513

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Fri 9/12

2:05 pm-8:05 am

2 stops17h 00m

Santiago Arturo Merino Benitez

Mon 9/22

9:55 pm-1:12 pm

2 stops16h 17m

$691

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 11/19

12:55 pm-12:10 pm

1 stop21h 15m

Santiago Arturo Merino Benitez

Tue 12/2

8:50 pm-9:57 am

1 stop15h 07m

$783

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 12/3

9:55 am-6:00 am

2 stops18h 05m

$248

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 12/3

7:37 am-12:08 am

1 stop14h 31m

$250

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 12/3

12:25 pm-6:00 am

2 stops15h 35m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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Best time to book a flight from Boston to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Santiago

How far ahead should I book a flight from Boston to Santiago?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Santiago. Price data was last updated on June 9, 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Santiago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Santiago?

Currently, April is the cheapest month in which you can book a flight from Boston to Santiago (average of $752). Flying from Boston to Santiago in December is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SCL?

Find hourly flight availability from Boston to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Santiago in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boston to Santiago?

Use this chart to determine the cheapest time to fly round-trip from Boston to Santiago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Santiago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Santiago by month

Plan your trip to Santiago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Santiago when rainfall is around 0.0 in.

Temperature in Santiago by month

Plan your trip to Santiago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santiago

Get insights into the airlines that provide service to Santiago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines and Copa Airlines from Boston to Santiago to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boston to Santiago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Santiago round-trip?

    Our cheapest airline available from Boston to Santiago is Avianca. Our recent data shows that you can find tickets from as low as $494 on this airline. Additional options worth looking into are LATAM Airlines and Delta, starting at $501 and $504 round-trip. Avianca is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Santiago one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $248. Copa Airlines flights start at $250 while deals on Delta start at $253 one-way.

  • Where are the most common layover locations when flying from Boston to Santiago?

    Most of the time, Boston to Santiago flights that have layovers will stop in Miami.

  • What are some popular things to do or see while on a layover in Miami?

    If you're on a layover in Miami and looking for things to do, consider visiting Wynwood Art District, Bayfront Park, or Bayside Marketplace. Wynwood Art District, Bayfront Park and Bayside Marketplace are located about 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami if you are interested in checking them out. Travelers can rent a car at Miami for an average daily rate of $21 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Boston to Santiago flights?

    The least popular layover on flights from Boston to Santiago is Atlanta.

  • Can I find deals for flights from Boston to Santiago that include hotel bookings?

    Yes. In addition to deals on Boston to Santiago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Santiago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Santiago.

  • Can I find deals for business class flights from Boston to Santiago?

    Yes. Cheapflights offers flight deals from Boston to Santiago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Santiago?

    Currently, April is the cheapest month in which you can book a flight from Boston to Santiago (average of $752). Flying from Boston to Santiago in December is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Santiago

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Punta Arenas flights
Hartford to Santiago flights
Boston to Easter Island flights
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Boston to La Serena flights

Top 7 airlines flying from Boston to Santiago

Discover the top 7 airlines that operate flights from Boston to Santiago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$521Average$797FlexibilityNo cancel feeOn-time70%
DeltaCheapest$525Average$937FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$525Average$732FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$569Average$866FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$672Average$1,077FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$694Average$895FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$725Average$941FlexibilityNo cancel feeOn-time71%

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