$285+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Apr 28 — May 51
Round-trip
1 adult, Economy
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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 March 29, 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 March 29, 2026.
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:08 pm
BOS
- SCL
1 stop13h 17m
LATAM Airlines
Mon 5/1110:55 pm
SCL
- BOS
1 stop17h 05m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$614
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 am
BOS
- SCL
1 stop22h 20m
LATAM Airlines
Sun 5/1711:00 pm
SCL
- BOS
1 stop16h 08m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$629
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:24 pm
BOS
- SCL
2 stops22h 01m
LATAM Airlines
Tue 4/2810:55 pm
SCL
- BOS
1 stop16h 33m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$642
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:24 pm
BOS
- SCL
1 stop15h 31m
LATAM Airlines
Mon 4/2711:00 pm
SCL
- BOS
1 stop15h 50m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$643
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:24 pm
BOS
- SCL
1 stop15h 31m
LATAM Airlines
Tue 4/2110:55 pm
SCL
- BOS
1 stop16h 33m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$665
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:43 am
BOS
- SCL
1 stop14h 00m
Copa Airlines
Tue 5/54:41 am
SCL
- BOS
1 stop18h 27m
Copa Airlines
Deal found 3/24![Copa Airlines logo]()
$669
This Delta deal was found by Cheapflights users on 3/25. 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 5/272:00 pm
BOS
- SCL
1 stop16h 50m
Delta
Sun 5/317:20 am
SCL
- BOS
1 stop24h 15m
Delta
Deal found 3/25![Delta logo]()
$671
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:45 am
BOS
- SCL
2 stops19h 11m
Multiple Airlines
Tue 4/216:40 am
SCL
- BOS
2 stops30h 37m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$675
This KAYAK deal was found by Cheapflights users on 3/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:55 pm
BOS
- SCL
2 stops18h 20m
LATAM Airlines
Sun 5/314:55 am
SCL
- BOS
1 stop26h 40m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$676
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 March 29, 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 March 29, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:43 am
BOS
- SCL
1 stop14h 00m
Copa Airlines
Tue 5/54:41 am
SCL
- BOS
1 stop18h 27m
Copa Airlines
Deal found 3/24![Copa Airlines logo]()
$669
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:00 am
BOS
- SCL
2 stops18h 10m
United Airlines
Sat 5/3011:17 am
SCL
- BOS
2 stops21h 55m
United Airlines
Deal found 3/24![United Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 3/25. 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 6/49:55 am
BOS
- SCL
1 stop16h 55m
Delta
Sat 6/137:20 am
SCL
- BOS
1 stop24h 15m
Delta
Deal found 3/25![Delta logo]()
$859
This FlightHub deal was found by Cheapflights users on 3/28. 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 7/227:05 am
BOS
- SCL
1 stop12h 40m
LATAM Airlines
Tue 7/2811:00 pm
SCL
- BOS
1 stop15h 59m
LATAM Airlines
Deal found 3/28![LATAM Airlines logo]()
$877
This Copa Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/233:46 pm
BOS
- SCL
1 stop13h 24m
Copa Airlines
Thu 4/304:49 am
SCL
- BOS
1 stop18h 20m
Copa Airlines
Deal found 3/25![Copa Airlines logo]()
$669
This Copa Airlines deal was found by Cheapflights users on 3/26. 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 5/128:52 am
BOS
- SCL
1 stop13h 51m
Copa Airlines
Sun 5/174:09 am
SCL
- BOS
1 stop18h 59m
Copa Airlines
Deal found 3/26![Copa Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 3/25. 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 6/25:50 pm
BOS
- SCL
1 stop13h 25m
Delta
Fri 6/1210:55 pm
SCL
- BOS
1 stop24h 11m
Delta
Deal found 3/25![Delta logo]()
$873
This Copa Airlines deal was found by Cheapflights users on 3/28. 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 4/218:43 am
BOS
- SCL
1 stop14h 43m
Copa Airlines
Sun 5/102:22 am
SCL
- BOS
1 stop20h 46m
Copa Airlines
Deal found 3/28![Copa Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 5/305:25 pm
BOS
- SCL
1 stop13h 25m
Delta
Thu 6/1110:55 pm
SCL
- BOS
1 stop24h 11m
Delta
Deal found 3/25![Delta logo]()
$903
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:45 am
BOS
- SCL
1 stop13h 58m
Copa Airlines
Sat 9/54:14 am
SCL
- BOS
1 stop18h 48m
Copa Airlines
Deal found 3/24![Copa Airlines logo]()
$913
Last-minute flights from Boston to SantiagoDiscover last-minute flight deals from Boston to Santiago. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santiago. Data last updated March 29, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:24 pm
BOS
- SCL
1 stop15h 31m
LATAM Airlines
Tue 4/2110:55 pm
SCL
- BOS
1 stop16h 33m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$665
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:45 am
BOS
- SCL
2 stops19h 11m
Multiple Airlines
Tue 4/216:40 am
SCL
- BOS
2 stops30h 37m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$675
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:24 pm
BOS
- SCL
1 stop15h 31m
LATAM Airlines
Mon 4/2711:00 pm
SCL
- BOS
1 stop15h 50m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$643
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:24 pm
BOS
- SCL
2 stops22h 01m
LATAM Airlines
Tue 4/2810:55 pm
SCL
- BOS
1 stop16h 33m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$642
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:43 am
BOS
- SCL
1 stop14h 00m
Copa Airlines
Tue 5/54:41 am
SCL
- BOS
1 stop18h 27m
Copa Airlines
Deal found 3/24![Copa Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:17 pm
BOS
- SCL
2 stops15h 48m
American Airlines
Tue 5/58:35 pm
SCL
- BOS
2 stops15h 47m
American Airlines
Deal found 3/24![American Airlines logo]()
$686
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Wed 4/2211:20 am
BOS
- SCL
2 stops26h 10m
Multiple Airlines
Wed 4/296:40 am
SCL
- BOS
1 stop24h 30m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$671
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:08 pm
BOS
- SCL
1 stop13h 17m
LATAM Airlines
Mon 5/1110:55 pm
SCL
- BOS
1 stop17h 05m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$614
This LATAM Airlines deal was found by Cheapflights users on 3/25. 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 4/308:05 pm
BOS
- SCL
2 stops21h 20m
LATAM Airlines
Mon 5/48:40 pm
SCL
- BOS
1 stop14h 55m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$681
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 March 29, 2026.
Search for one-way flight options from Boston to Santiago. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/226:00 pm
BOS
- SCL
2 stops35h 30m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$285
This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:05 am
BOS
- SCL
1 stop21h 45m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$298
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:29 pm
BOS
- SCL
1 stop17h 21m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$302
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:05 am
BOS
- SCL
1 stop21h 20m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 6/108:47 am
BOS
- SCL
3 stops44h 43m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$307
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:43 am
BOS
- SCL
1 stop14h 43m
Copa Airlines
Deal found 3/24![Copa Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/208:45 am
BOS
- SCL
1 stop22h 20m
American Airlines
Deal found 3/25![American Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Fri 6/512:15 pm
BOS
- SCL
3 stops33h 49m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$322
This Justfly.com deal was found by Cheapflights users on 3/25. 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.
Tue 5/198:45 am
BOS
- SCL
1 stop14h 35m
Avianca
Deal found 3/25![Avianca logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Mon 5/184:00 pm
BOS
- SCL
1 stop27h 23m
Copa Airlines
Deal found 3/25![Copa Airlines logo]()
$334
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $614 (Justfly.com) |
One-way from | $285 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $793 |
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 March 29, 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 - SCL
BOSSCL
Boston Logan Intl
Tue 4/21
8:43 am-10:43 pm
1 stop14h 00m
Santiago Arturo Merino Benitez
Tue 5/5
4:41 am-11:08 pm
1 stop18h 27m
$669
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Thu 4/23
3:46 pm-5:10 am
1 stop13h 24m
Santiago Arturo Merino Benitez
Thu 4/30
4:49 am-11:09 pm
1 stop18h 20m
$669
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Tue 5/12
8:52 am-10:43 pm
1 stop13h 51m
Santiago Arturo Merino Benitez
Sun 5/17
4:09 am-11:08 pm
1 stop18h 59m
$781
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Tue 4/21
8:43 am-11:26 pm
1 stop14h 43m
Santiago Arturo Merino Benitez
Sun 5/10
2:22 am-11:08 pm
1 stop20h 46m
$805
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Tue 5/26
11:00 am-5:10 am
2 stops18h 10m
Santiago Arturo Merino Benitez
Sat 5/30
11:17 am-9:12 am
2 stops21h 55m
$844
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Thu 6/4
9:55 am-2:50 am
1 stop16h 55m
Santiago Arturo Merino Benitez
Sat 6/13
7:20 am-7:35 am
1 stop24h 15m
$859
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Tue 6/2
5:50 pm-7:15 am
1 stop13h 25m
Santiago Arturo Merino Benitez
Fri 6/12
10:55 pm-11:06 pm
1 stop24h 11m
$873
Quickest round-trip
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Wed 7/22
7:05 am-7:45 pm
1 stop12h 40m
Santiago Arturo Merino Benitez
Tue 7/28
11:00 pm-2:59 pm
1 stop15h 59m
$877
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Sat 5/30
5:25 pm-6:50 am
1 stop13h 25m
Santiago Arturo Merino Benitez
Thu 6/11
10:55 pm-11:06 pm
1 stop24h 11m
$903
BostonSantiago
BOS - SCL
BOSSCL
Boston Logan Intl
Mon 8/31
8:45 am-10:43 pm
1 stop13h 58m
Santiago Arturo Merino Benitez
Sat 9/5
4:14 am-11:02 pm
1 stop18h 48m
$913
Showing 1-10 of 20 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Boston-Santiago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Santiago flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Santiago. Price data was last updated on March 13, 2026.
Booking 39 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, October is the cheapest month in which you can book a flight from Boston to Santiago (average of $468). Flying from Boston to Santiago in June is currently the most expensive (average of $825). 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?
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 40% 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 Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 12h 55m.
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 Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 15m.
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 March 29, 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.
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
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Other flights from Boston
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Top 6 airlines flying from Boston to Santiago
Discover the top 6 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$682 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$513 | Average$848 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$513 | Average$749 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$514 | Average$814 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$543 | Average$850 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$589 | Average$826 | FlexibilityNo cancel fee | On-time71% |