$242+ Cheap flights from Boston (BOS) to Santiago (SCL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Santiago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Santiago
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Cheapest flights from Boston to SantiagoExplore 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 September 25, 2026.
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 September 25, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 10/63:55 pm -
1 stop31h 27m
Mon 10/123:15 am -
1 stop20h 47m
Deal found 9/20![Copa Airlines logo]()
$512
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 am -
1 stop20h 30m
Wed 11/1810:15 am -
1 stop15h 44m
Deal found 9/22![LATAM Airlines logo]()
$524
This CheapOair deal was found by Cheapflights users on 9/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:05 am -
1 stop20h 00m
Tue 11/179:45 am -
1 stop16h 14m
Deal found 9/21![LATAM Airlines logo]()
$529
This Copa Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/203:55 pm -
1 stop27h 37m
Tue 11/103:19 am -
1 stop20h 42m
Deal found 9/23![Copa Airlines logo]()
$533
This LATAM Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 11/43:28 pm -
1 stop13h 32m
Sun 11/811:50 pm -
1 stop16h 48m
Deal found 9/23![LATAM Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 9/22. 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.
Wed 11/43:28 pm -
1 stop13h 32m
Wed 11/118:25 pm -
2 stops16h 45m
Deal found 9/22![Delta logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:41 am -
1 stop14h 38m
Thu 11/125:07 am -
1 stop18h 54m
Deal found 9/22![Copa Airlines logo]()
$548
This LATAM Airlines deal was found by Cheapflights users on 9/22. 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.
Thu 12/3110:20 am -
2 stops17h 00m
Tue 1/198:13 am -
2 stops18h 45m
Deal found 9/22![LATAM Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 9/24. 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 11/99:10 am -
2 stops18h 25m
Tue 12/19:45 am -
2 stops17h 30m
Deal found 9/24![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 9/23. 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.
Sun 11/85:30 am -
1 stop24h 10m
Sun 11/2211:10 pm -
1 stop17h 45m
Deal found 9/23![Delta logo]()
$551
Best flights from Boston to SantiagoDiscover carefully curated flight deals from Boston to Santiago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Boston to Santiago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 10/203:55 pm -
1 stop31h 27m
Tue 11/101:02 am -
1 stop22h 59m
Deal found 9/20![Copa Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 9/24. 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 10/219:05 am -
1 stop22h 10m
Mon 10/2611:10 pm -
1 stop19h 52m
Deal found 9/24![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/134:20 pm -
2 stops23h 40m
Fri 1/229:55 pm -
2 stops18h 46m
Deal found 9/21![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:05 am -
2 stops21h 25m
Fri 11/611:10 pm -
1 stop23h 58m
Deal found 9/21![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/23. 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 2/176:55 am -
1 stop21h 45m
Mon 3/19:50 pm -
1 stop23h 31m
Deal found 9/23![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/23. 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.
Tue 10/203:33 pm -
1 stop13h 02m
Wed 11/118:25 pm -
2 stops16h 33m
Deal found 9/23![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/23. 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 11/412:00 pm -
2 stops17h 00m
Sun 11/811:10 pm -
2 stops17h 11m
Deal found 9/23![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:25 pm -
2 stops17h 35m
Sun 11/1511:10 pm -
2 stops18h 05m
Deal found 9/20![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 9/23. 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.
Sun 11/85:30 am -
1 stop24h 10m
Sun 11/2211:10 pm -
1 stop17h 45m
Deal found 9/23![Delta logo]()
$551
Last-minute flights from Boston to SantiagoDiscover last-minute flight deals from Boston to Santiago. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santiago. Data last updated September 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/22. 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.
Wed 9/303:05 pm -
1 stop27h 40m
Thu 10/88:55 pm -
2 stops18h 54m
Deal found 9/22![Delta logo]()
$554
This Delta deal was found by Cheapflights users on 9/22. 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.
Wed 9/303:05 pm -
1 stop27h 40m
Mon 10/511:55 pm -
2 stops21h 34m
Deal found 9/22![Delta logo]()
$559
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:35 pm -
2 stops33h 00m
Tue 10/610:20 am -
1 stop14h 13m
Deal found 9/22![LATAM Airlines logo]()
$576
This Copa Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 10/63:55 pm -
1 stop31h 27m
Mon 10/123:15 am -
1 stop20h 47m
Deal found 9/20![Copa Airlines logo]()
$512
This Copa Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/203:55 pm -
1 stop27h 37m
Tue 11/103:19 am -
1 stop20h 42m
Deal found 9/23![Copa Airlines logo]()
$533
This CheapOair deal was found by Cheapflights users on 9/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:33 pm -
1 stop13h 02m
Tue 10/279:45 am -
1 stop14h 48m
Deal found 9/21![LATAM Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:00 pm -
2 stops16h 35m
Wed 11/1111:10 pm -
2 stops17h 11m
Deal found 9/21![Delta logo]()
$550
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:13 pm -
2 stops35h 37m
Sat 10/3110:45 pm -
1 stop24h 43m
Deal found 9/21![United Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/298:47 am -
1 stop14h 35m
Wed 11/1112:15 pm -
1 stop35h 46m
Deal found 9/21![Copa Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:05 am -
2 stops21h 25m
Thu 11/58:40 am -
2 stops18h 40m
Deal found 9/21![Delta logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/298:47 am -
1 stop14h 35m
Mon 11/93:48 am -
1 stop20h 13m
Deal found 9/21![Copa Airlines logo]()
$548
One-way flights from Boston to SantiagoSearch for one-way flight options from Boston to Santiago. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Boston to Santiago. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This FlightHub deal was found by Cheapflights users on 9/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:20 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![LATAM Airlines logo]()
$242
This eDestinos deal was found by Cheapflights users on 9/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:15 am -
1 stop21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![LATAM Airlines logo]()
$244
This FlightHub deal was found by Cheapflights users on 9/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:35 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![LATAM Airlines logo]()
$248
This Copa Airlines deal was found by Cheapflights users on 9/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:55 pm -
1 stop31h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Copa Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Wed 9/303:10 pm -
1 stop16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![LATAM Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 2/248:30 am -
2 stops22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$253
This LATAM Airlines deal was found by Cheapflights users on 9/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:25 pm -
2 stops24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![LATAM Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 1/911:55 am -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![LATAM Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 9/23. 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.
Sun 11/85:30 am -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$267
Find 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 September 25, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $512 (Copa Airlines) |
One-way from | $242 (FlightHub) |
Popular in | December |
Cheapest in | November |
Average price | $792 |
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 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Boston to Santiago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Thu 1/7
2:43 pm-12:23 am
1 stop31h 40m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Wed 10/21
3:55 pm-11:39 pm
1 stop30h 44m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 11/3
2:50 pm-12:19 am
1 stop31h 29m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 10/20
3:55 pm-8:32 pm
1 stop27h 37m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Sun 10/18
3:55 pm-12:22 am
1 stop31h 27m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 12/8
5:45 am-8:50 am
2 stops25h 05m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Fri 11/13
5:30 am-7:40 am
1 stop24h 10m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 2/23
6:00 am-8:50 am
2 stops24h 50m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
Quickest round-trip
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Wed 2/24
8:30 am-8:50 am
2 stops22h 20m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 10/20
3:55 pm-12:22 am
1 stop31h 27m
Santiago Arturo Merino Benitez
Tue 11/10
1:02 am-10:01 pm
1 stop22h 59m
$512
Showing 1-10 of 18 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Santiago flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Santiago flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
BOS-SCL
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
Prices
More
How far ahead should I book a flight from Boston to Santiago?
Booking 35 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, November is the cheapest month in which you can book a flight from Boston to Santiago (average of $705). Flying from Boston to Santiago in December is currently the most expensive (average of $1,031). 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.
How much does it cost to fly round-trip from Boston to Santiago?
Airfare is below average for this route at the moment.
Boston to Santiago flights typically cost between $693 and $862 in October.The cheapest round-trip price found within the last 5 days was $512 on Copa Airlines (Oct 6-Oct 12).
What’s the top layover airport for flights from Boston to Santiago?
Share of 1-stop round-trip flights from Boston to Santiago chosen by Cheapflights users in the past 12 months, using the same layover each way.
Panama City (PTY) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Santiago on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Santiago?
Average round-trip fare for 1-stop flights from Boston to Santiago, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Bogotá (BOG) is the most affordable 1-stop option, with an average round-trip price of $637.
What’s the fastest layover option from Boston to Santiago?
Shortest average travel time for 1-stop one-way flights from Boston to Santiago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Bogotá (BOG) have the shortest average one-way travel time for 1-stop routes: 13h 30m.
Which airport typically offers the quickest layover for flights from Boston to Santiago?
Average layover duration for 1-stop one-way flights from Boston to Santiago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 2h 14m.
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 September 25, 2026.
Get a feel of what it's like to fly with Delta,Copa Airlines, andLATAM Airlines from Boston to Santiago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
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.
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Boston and Santiago flights
Browse other Boston and Santiago flight options. Last updated on September 25, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
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Other flights to Santiago
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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 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$793 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$406 | Average$774 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$514 | Average$944 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$542 | Average$811 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$936 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$603 | Average$857 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$627 | Average$915 | FlexibilityNo cancel fee | On-timeN/A |