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$228+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Jun 27 — Jul 41
Fri 6/27
Fri 7/4
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 22, 2025.

Round-trip from

$484
(Cheapflightsfares)

One-way from

$228
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$883
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 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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 stop13h 30mAvianca
Wed 10/223:30 pmSCL - BOS
1 stop16h 45mAvianca
Deal found 6/20$484
This LATAM Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 11/78:55 amBOS - SCL
1 stop25h 55mLATAM Airlines
Wed 11/268:55 amSCL - BOS
1 stop23h 40mLATAM Airlines
Deal found 6/22$499
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:37 pmBOS - SCL
1 stop15h 13mUnited Airlines
Mon 11/1710:45 pmSCL - BOS
1 stop26h 35mUnited Airlines
Deal found 6/20$505
This Delta deal was found by Cheapflights users on 6/22. 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.
Fri 11/79:55 amBOS - SCL
2 stops18h 05mDelta
Wed 11/263:00 pmSCL - BOS
1 stop17h 35mDelta
Deal found 6/22$508
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:00 amBOS - SCL
1 stop19h 15mMultiple Airlines
Wed 9/32:30 pmSCL - BOS
2 stops20h 00mMultiple Airlines
Deal found 6/21$556
This Copa Airlines deal was found by Cheapflights users on 6/20. 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 6/20$570
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Sun 12/77:59 amBOS - SCL
1 stop21h 51mAmerican Airlines
Sun 12/1411:15 pmSCL - BOS
1 stop21h 41mAmerican Airlines
Deal found 6/21$629

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 22, 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-11:30 pm

1 stop13h 30m

Santiago Arturo Merino Benitez

Wed 10/22

3:30 pm-7:15 am

1 stop16h 45m

$484

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Fri 11/7

8:55 am-12:50 pm

1 stop25h 55m

Santiago Arturo Merino Benitez

Thu 11/27

6:10 am-6:35 am

1 stop26h 25m

$499

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 11/10

3:37 pm-8:50 am

1 stop15h 13m

Santiago Arturo Merino Benitez

Mon 11/17

10:45 pm-11:20 pm

1 stop26h 35m

$505

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Fri 11/7

9:55 am-6:00 am

2 stops18h 05m

Santiago Arturo Merino Benitez

Wed 11/26

3:00 pm-6:35 am

1 stop17h 35m

$508

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 8/21

9:00 am-4:15 am

1 stop19h 15m

Santiago Arturo Merino Benitez

Wed 9/3

2:30 pm-10:30 am

2 stops20h 00m

$556

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

$570

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Sun 12/7

7:59 am-7:50 am

1 stop21h 51m

Santiago Arturo Merino Benitez

Sun 12/14

11:15 pm-6:56 pm

1 stop21h 41m

$629

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 8/12

9:00 am-4:15 am

1 stop19h 15m

$228

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 12/3

3:50 pm-2:05 pm

2 stops20h 15m

$248

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 8/4

8:35 pm-4:15 am

2 stops31h 40m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 14 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 20, 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 22, 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 22, 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
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
1,790 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
1,460 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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!
United Airlines
7.4
Good
8,830 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,962 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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 $484 on this airline. Additional options worth looking into are LATAM Airlines and United Airlines, starting at $499 and $505 round-trip. Avianca is 44% 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 Avianca, which is currently one of the cheapest options available, starting at $228. LATAM Airlines flights start at $248 while deals on Copa Airlines start at $308 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 $22 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.
Hartford to Santiago flights
Boston to Punta Arenas flights
Boston to Easter Island flights
Boston to Concepción flights
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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$488Average$797FlexibilityNo cancel feeOn-time70%
DeltaCheapest$522Average$935FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$525Average$732FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$537Average$857FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$672Average$1,077FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$694Average$895FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$737Average$933FlexibilityNo cancel feeOn-time71%

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