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$291+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
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 September or November, 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 April 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$657
(Priceline)

One-way from

$291
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$933
Provider with most accurate pricing for Boston Logan Intl-Santiago Arturo Merino Benitez flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Santiago Arturo Merino Benitez flights.
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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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Highest demand for flights based on searches. 3% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 16, 2025.

This Priceline deal was found by Cheapflights users on 4/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:00 amBOS - SCL
1 stop19h 15mAvianca
Mon 9/12:30 pmSCL - BOS
1 stop16h 45mAvianca
Deal found 4/15$655
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:15 pmBOS - SCL
3 stops25h 10mMultiple Airlines
Mon 5/127:30 amSCL - BOS
3 stops39h 59mMultiple Airlines
Deal found 4/15$666
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:55 amBOS - SCL
2 stops26h 45mLATAM Airlines
Sun 10/58:40 amSCL - BOS
2 stops23h 45mLATAM Airlines
Deal found 4/15$757
This Copa Airlines deal was found by Cheapflights users on 4/16. 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 8/258:44 amBOS - SCL
1 stop14h 00mCopa Airlines
Tue 9/24:10 amSCL - BOS
1 stop15h 12mCopa Airlines
Deal found 4/16$792
This Delta deal was found by Cheapflights users on 4/15. 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.
Wed 12/244:30 pmBOS - SCL
2 stops18h 55mDelta
Wed 1/1410:50 pmSCL - BOS
1 stop17h 58mDelta
Deal found 4/15$804
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/37:20 amBOS - SCL
1 stop23h 45mAmerican Airlines
Wed 8/139:55 pmSCL - BOS
1 stop22h 59mAmerican Airlines
Deal found 4/15$872

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 April 16, 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

Mon 7/7

4:50 pm-1:25 pm

2 stops20h 35m

Santiago Arturo Merino Benitez

Mon 8/4

2:30 pm-7:15 am

1 stop16h 45m

$657

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Fri 5/2

12:15 pm-1:25 pm

3 stops25h 10m

Santiago Arturo Merino Benitez

Mon 5/12

7:30 am-11:29 pm

3 stops39h 59m

$666

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 5/13

1:35 pm-10:30 am

2 stops20h 55m

Santiago Arturo Merino Benitez

Mon 5/19

11:20 pm-11:10 pm

2 stops23h 50m

$781

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 6/24

8:47 am-2:47 am

1 stop18h 00m

Santiago Arturo Merino Benitez

Tue 7/22

4:10 am-10:27 pm

1 stop18h 17m

$922

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Tue 6/24

12:15 pm-7:00 am

2 stops18h 45m

Santiago Arturo Merino Benitez

Tue 7/22

9:55 pm-1:58 pm

2 stops16h 03m

$958

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Sat 6/28

1:25 pm-6:30 am

2 stops17h 05m

Santiago Arturo Merino Benitez

Sat 7/5

11:05 pm-7:14 pm

2 stops20h 09m

$1,108

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 5/1

10:50 am-1:25 pm

3 stops26h 35m

$303

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Sun 6/1

4:50 pm-10:30 pm

2 stops29h 40m

$321

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 4/30

3:38 pm-10:30 pm

2 stops30h 52m

$485

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Sun 6/1

4:30 pm-8:55 am

1 stop16h 25m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 11 results
1
2

Compare providers for flights from Boston to Santiago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Santiago in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Santiago flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Santiago flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Santiago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Santiago flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Santiago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 11, 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 April 16, 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 April 16, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines and LATAM 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
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,408 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,313 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $657 on this airline. Additional options worth looking into are LATAM Airlines and Copa Airlines, starting at $757 and $792 round-trip. Avianca is 24% 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 $311. Copa Airlines flights start at $500 while deals on LATAM Airlines start at $535 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 $24 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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$524Average$710FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$634Average$786FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$661Average$915FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$672Average$985FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$694Average$923FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$726Average$935FlexibilityNo cancel feeOn-time71%
DeltaCheapest$737Average$956FlexibilityNo cancel feeOn-timeN/A

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