$232+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SCL
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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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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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 November 12, 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 November 12, 2026.
This Delta deal was found by Cheapflights users on 11/9. 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 11/262:55 pm -
1 stop14h 45m
Wed 12/169:50 pm -
1 stop17h 52m
Deal found 11/9![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/233:28 pm -
1 stop15h 22m
Wed 12/210:45 pm -
2 stops27h 14m
Deal found 11/9![United Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/99:00 am -
2 stops21h 50m
Wed 11/1810:45 pm -
2 stops34h 58m
Deal found 11/9![United Airlines logo]()
$565
This Expedia deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop13h 20m
Tue 12/111:10 pm -
1 stop13h 51m
Deal found 11/11![LATAM Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/54:46 pm -
1 stop14h 29m
Thu 3/411:45 pm -
1 stop23h 47m
Deal found 11/10![American Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Fri 11/136:00 am -
3 stops48h 50m
Thu 11/2610:45 pm -
2 stops34h 58m
Deal found 11/7![United Airlines logo]()
$570
This Copa Airlines deal was found by Cheapflights users on 11/9. 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 11/222:50 pm -
1 stop31h 34m
Mon 11/3012:15 pm -
1 stop27h 08m
Deal found 11/9![Copa Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/287:15 am -
1 stop23h 35m
Mon 12/1410:45 pm -
1 stop15h 41m
Deal found 11/9![United Airlines logo]()
$596
This FlightHub deal was found by Cheapflights users on 11/9. 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.
Sun 11/225:30 am -
1 stop24h 10m
Tue 12/18:35 am -
2 stops27h 48m
Deal found 11/9![LATAM Airlines logo]()
$597
This KAYAK deal was found by Cheapflights users on 11/7. 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.
Thu 11/269:43 am -
1 stop21h 07m
Wed 12/210:45 pm -
2 stops22h 00m
Deal found 11/7![Copa Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/287:15 am -
1 stop23h 35m
Wed 12/1610:45 pm -
2 stops26h 05m
Deal found 11/9![United Airlines logo]()
$600
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 November 12, 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 November 12, 2026.
This Delta deal was found by Cheapflights users on 11/9. 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 1/116:45 am -
1 stop21h 55m
Sun 1/2411:00 pm -
1 stop18h 18m
Deal found 11/9![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/183:28 pm -
1 stop15h 22m
Sun 11/2210:45 pm -
2 stops28h 01m
Deal found 11/8![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/143:10 pm -
1 stop14h 30m
Wed 2/108:25 pm -
2 stops16h 47m
Deal found 11/11![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/36:00 am -
2 stops24h 50m
Fri 12/1110:45 pm -
2 stops36h 06m
Deal found 11/10![United Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1010:45 am -
1 stop18h 10m
Sun 2/711:10 pm -
1 stop16h 53m
Deal found 11/11![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/131:20 pm -
1 stop16h 20m
Sun 2/77:35 am -
2 stops18h 21m
Deal found 11/11![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/111:20 pm -
1 stop16h 20m
Mon 2/811:10 pm -
1 stop16h 53m
Deal found 11/11![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/10. 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 2/53:15 pm -
1 stop13h 25m
Sun 2/1411:10 pm -
1 stop21h 49m
Deal found 11/10![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/7. 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 12/71:50 pm -
1 stop15h 50m
Mon 12/149:50 pm -
1 stop19h 03m
Deal found 11/7![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/135:35 am -
1 stop23h 05m
Tue 2/99:45 am -
1 stop16h 11m
Deal found 11/11![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 11/7. 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 11/247:05 am -
1 stop20h 00m
Wed 12/29:55 pm -
2 stops19h 18m
Deal found 11/7![Delta logo]()
$652
This Delta deal was found by Cheapflights users on 11/9. 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 1/88:00 am -
1 stop20h 55m
Wed 1/209:50 pm -
1 stop18h 13m
Deal found 11/9![Delta logo]()
$652
Last-minute flights from Boston to SantiagoDiscover last-minute flight deals from Boston to Santiago. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santiago. Data last updated November 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/99:00 am -
2 stops21h 50m
Wed 11/1810:45 pm -
2 stops34h 58m
Deal found 11/9![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Fri 11/136:00 am -
3 stops48h 50m
Thu 11/2610:45 pm -
2 stops34h 58m
Deal found 11/7![United Airlines logo]()
$570
This Copa Airlines deal was found by Cheapflights users on 11/9. 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 11/222:50 pm -
1 stop31h 34m
Mon 11/3012:15 pm -
1 stop27h 08m
Deal found 11/9![Copa Airlines logo]()
$589
This FlightHub deal was found by Cheapflights users on 11/9. 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.
Sun 11/225:30 am -
1 stop24h 10m
Tue 12/18:35 am -
2 stops27h 48m
Deal found 11/9![LATAM Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/233:28 pm -
1 stop15h 22m
Wed 12/210:45 pm -
2 stops27h 14m
Deal found 11/9![United Airlines logo]()
$550
This Expedia deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop13h 20m
Tue 12/111:10 pm -
1 stop13h 51m
Deal found 11/11![LATAM Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 11/9. 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 11/262:55 pm -
1 stop14h 45m
Thu 12/1711:10 pm -
1 stop16h 32m
Deal found 11/9![Delta logo]()
$546
This KAYAK deal was found by Cheapflights users on 11/7. 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.
Thu 11/269:43 am -
1 stop21h 07m
Wed 12/210:45 pm -
2 stops22h 00m
Deal found 11/7![Copa Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/287:15 am -
1 stop23h 35m
Tue 12/1510:45 pm -
1 stop15h 41m
Deal found 11/9![United Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/287:15 am -
1 stop23h 35m
Wed 12/1610:45 pm -
2 stops26h 05m
Deal found 11/9![United Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/54:46 pm -
1 stop14h 29m
Thu 3/411:45 pm -
1 stop23h 47m
Deal found 11/10![American Airlines logo]()
$568
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 November 12, 2026.
Search for one-way flight options from Boston to Santiago. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This eDestinos deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:10 am -
2 stops18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![LATAM Airlines logo]()
$232
This LATAM Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 1/265:17 pm -
2 stops22h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![LATAM Airlines logo]()
$233
This FlightHub deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:45 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![LATAM Airlines logo]()
$246
This FlightHub deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:00 am -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![LATAM Airlines logo]()
$247
This Copa Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:41 am -
1 stop13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Copa Airlines logo]()
$250
This FlightHub deal was found by Cheapflights users on 11/10. 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 2/21:16 pm -
1 stop16h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![LATAM Airlines logo]()
$251
This eDestinos deal was found by Cheapflights users on 11/9. 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.
Thu 11/195:30 am -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![LATAM Airlines logo]()
$252
This LATAM Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 1/268:50 am -
3 stops31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$254
This LATAM Airlines deal was found by Cheapflights users on 11/8. 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 1/810:45 am -
2 stops33h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![LATAM Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/236:00 am -
3 stops24h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$259
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 November 12, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $546 (Delta) |
One-way from | $232 (eDestinos) |
Popular in | July |
Cheapest in | November |
Average price | $703 |
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 November 12, 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
Quickest round-trip
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Fri 12/4
4:10 pm-7:40 am
1 stop13h 30m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$247
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Wed 12/2
7:34 am-11:35 pm
1 stop14h 01m
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
Thu 11/19
8:00 am-7:40 am
1 stop21h 40m
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
Mon 11/23
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
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Thu 1/14
11:15 am-6:40 am
1 stop17h 25m
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 11/17
9:30 am-8:50 am
2 stops21h 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 1/12
7:05 am-5:05 am
1 stop20h 00m
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 1/26
8:50 am-6:00 pm
3 stops31h 10m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$254
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Tue 12/29
7:50 pm-5:55 am
1 stop32h 05m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$268
BostonSantiago
BOS Boston Logan Intl - SCL Santiago Arturo Merino Benitez
BOSSCL
Boston Logan Intl
Fri 1/8
7:34 am-12:28 am
1 stop14h 54m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
Showing 1-10 of 22 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 November.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
How far ahead should I book a flight from Boston to Santiago?
Booking 48 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 $703). Flying from Boston to Santiago in July is currently the most expensive (average of $955). 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 $568 and $814 in January.The cheapest round-trip price found within the last 5 days was $546 on Delta (Jan 12-Jan 27).
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 November 12, 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.
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
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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Santiago flight routes
Alternative routes for Boston to Santiago
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Complete your trip
Complete your trip to Santiago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Santiago by cabin class
Find flights from Boston to Santiago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Santiago flights
Browse other Boston and Santiago flight options. Last updated on November 12, 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 November 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Santiago
Explore flights to Santiago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 12, 2026.
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 November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$303 | Average$741 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$343 | Average$779 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$406 | Average$774 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$545 | Average$852 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$545 | Average$796 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$645 | Average$926 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$691 | Average$874 | FlexibilityNo cancel fee | On-time71% |