$208+ Cheap flights from Boston (BOS) to Santiago de los Caballeros (STI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STI
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Santiago de los Caballeros 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Santiago de los Caballeros are usually found in October or January, booked 35 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Boston to Santiago de los Caballeros
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Santiago de los CaballerosExplore the most affordable flight options available from Boston to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Boston to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/212:02 pm
BOS
- STI
1 stop7h 05m
American Airlines
Sat 8/293:35 pm
STI
- BOS
1 stop18h 44m
American Airlines
Deal found 6/10![American Airlines logo]()
$458
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:11 pm
BOS
- STI
Nonstop4h 02m
JetBlue
Fri 8/218:13 am
STI
- BOS
1 stop13h 44m
JetBlue
Deal found 6/8![JetBlue logo]()
$459
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 7/179:05 am
BOS
- STI
1 stop16h 50m
Delta
Mon 7/271:52 pm
STI
- BOS
1 stop8h 51m
Delta
Deal found 6/7![Delta logo]()
$461
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:30 pm
BOS
- STI
1 stop11h 21m
JetBlue
Mon 7/203:10 am
STI
- BOS
1 stop8h 16m
JetBlue
Deal found 6/9![JetBlue logo]()
$463
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:39 pm
BOS
- STI
1 stop7h 12m
JetBlue
Tue 8/183:51 pm
STI
- BOS
1 stop8h 28m
JetBlue
Deal found 6/9![JetBlue logo]()
$464
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:20 am
BOS
- STI
1 stop13h 47m
American Airlines
Sun 9/61:32 pm
STI
- BOS
1 stop9h 18m
American Airlines
Deal found 6/9![American Airlines logo]()
$467
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Wed 8/268:13 am
STI
- BOS
1 stop13h 44m
JetBlue
Deal found 6/8![JetBlue logo]()
$468
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:02 am
BOS
- STI
2 stops10h 05m
American Airlines
Sun 9/133:15 pm
STI
- BOS
2 stops16h 29m
American Airlines
Deal found 6/9![American Airlines logo]()
$472
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Sat 6/275:01 am
STI
- BOS
Nonstop3h 54m
JetBlue
Deal found 6/7![JetBlue logo]()
$474
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 6/176:06 am
BOS
- STI
1 stop13h 27m
Delta
Fri 7/38:59 pm
STI
- BOS
1 stop10h 25m
Delta
Deal found 6/10![Delta logo]()
$475
This SmartFares deal was found by Cheapflights users on 6/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:35 am
BOS
- STI
1 stop9h 10m
JetBlue
Wed 9/306:30 am
STI
- BOS
Nonstop3h 55m
JetBlue
Deal found 6/5![JetBlue logo]()
$477
Best flights from Boston to Santiago de los CaballerosDiscover carefully curated flight deals from Boston to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Boston to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:06 am
BOS
- STI
1 stop13h 27m
Delta
Fri 7/36:00 am
STI
- BOS
1 stop16h 41m
Delta
Deal found 6/8![Delta logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sun 6/146:05 am
BOS
- STI
1 stop6h 52m
United Airlines
Sat 6/206:00 am
STI
- BOS
1 stop9h 23m
United Airlines
Deal found 6/9![United Airlines logo]()
$521
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Fri 6/265:01 am
STI
- BOS
Nonstop3h 54m
JetBlue
Deal found 6/8![JetBlue logo]()
$543
This Delta deal was found by Cheapflights users on 6/7. 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.
Wed 6/176:06 am
BOS
- STI
1 stop13h 27m
Delta
Sat 6/278:59 pm
STI
- BOS
1 stop10h 25m
Delta
Deal found 6/7![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 6/5. 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 6/229:05 am
BOS
- STI
1 stop16h 54m
Delta
Mon 7/271:52 pm
STI
- BOS
1 stop8h 51m
Delta
Deal found 6/5![Delta logo]()
$501
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 6/206:00 am
BOS
- STI
1 stop9h 12m
United Airlines
Wed 7/16:00 am
STI
- BOS
1 stop7h 16m
United Airlines
Deal found 6/7![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 7/116:05 am
BOS
- STI
1 stop13h 29m
Delta
Sat 7/258:59 pm
STI
- BOS
1 stop10h 27m
Delta
Deal found 6/9![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 7/216:05 am
BOS
- STI
1 stop13h 29m
Delta
Mon 7/271:52 pm
STI
- BOS
1 stop8h 51m
Delta
Deal found 6/9![Delta logo]()
$561
This Delta deal was found by Cheapflights users on 6/7. 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 7/289:05 am
BOS
- STI
1 stop10h 29m
Delta
Thu 8/68:59 pm
STI
- BOS
1 stop10h 26m
Delta
Deal found 6/7![Delta logo]()
$578
This Delta deal was found by Cheapflights users on 6/5. 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 6/236:06 am
BOS
- STI
1 stop13h 27m
Delta
Sat 8/16:00 am
STI
- BOS
1 stop16h 43m
Delta
Deal found 6/5![Delta logo]()
$578
This Delta deal was found by Cheapflights users on 6/6. 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 6/266:06 am
BOS
- STI
1 stop13h 27m
Delta
Mon 6/298:59 pm
STI
- BOS
1 stop14h 16m
Delta
Deal found 6/6![Delta logo]()
$630
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 6/276:06 am
BOS
- STI
1 stop6h 19m
Delta
Tue 6/308:59 pm
STI
- BOS
1 stop10h 25m
Delta
Deal found 6/7![Delta logo]()
$630
Last-minute flights from Boston to Santiago de los CaballerosDiscover last-minute flight deals from Boston to Santiago de los Caballeros. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santiago de los Caballeros. Data last updated June 10, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Sun 6/215:01 am
STI
- BOS
1 stop12h 21m
JetBlue
Deal found 6/5![JetBlue logo]()
$483
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Sat 6/275:01 am
STI
- BOS
Nonstop3h 54m
JetBlue
Deal found 6/7![JetBlue logo]()
$474
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 6/176:06 am
BOS
- STI
1 stop13h 27m
Delta
Fri 7/38:59 pm
STI
- BOS
1 stop10h 25m
Delta
Deal found 6/10![Delta logo]()
$475
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:59 pm
BOS
- STI
Nonstop3h 58m
JetBlue
Sun 6/215:01 am
STI
- BOS
Nonstop3h 54m
JetBlue
Deal found 6/9![JetBlue logo]()
$478
This Delta deal was found by Cheapflights users on 6/7. 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.
Wed 6/176:06 am
BOS
- STI
1 stop13h 27m
Delta
Sat 6/278:59 pm
STI
- BOS
1 stop10h 25m
Delta
Deal found 6/7![Delta logo]()
$482
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Sun 6/215:01 am
STI
- BOS
1 stop9h 50m
JetBlue
Deal found 6/9![JetBlue logo]()
$481
This Faresmojo deal was found by Cheapflights users on 6/10. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:30 pm
BOS
- STI
1 stop19h 30m
JetBlue
Sun 6/285:01 am
STI
- BOS
Nonstop3h 54m
JetBlue
Deal found 6/10![JetBlue logo]()
$487
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Wed 8/268:13 am
STI
- BOS
1 stop13h 44m
JetBlue
Deal found 6/8![JetBlue logo]()
$468
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:30 pm
BOS
- STI
1 stop11h 21m
JetBlue
Mon 7/203:10 am
STI
- BOS
1 stop8h 16m
JetBlue
Deal found 6/9![JetBlue logo]()
$463
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 7/179:05 am
BOS
- STI
1 stop16h 50m
Delta
Mon 7/271:52 pm
STI
- BOS
1 stop8h 51m
Delta
Deal found 6/7![Delta logo]()
$461
One-way flights from Boston to Santiago de los CaballerosSearch for one-way flight options from Boston to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Boston to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:48 pm
BOS
- STI
Nonstop3h 57m
JetBlue
Deal found 6/5![JetBlue logo]()
$208
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:05 pm
BOS
- STI
1 stop8h 54m
Delta
Deal found 6/8![Delta logo]()
$210
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:48 pm
BOS
- STI
Nonstop4h 00m
JetBlue
Deal found 6/9![JetBlue logo]()
$215
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:06 am
BOS
- STI
1 stop6h 19m
Delta
Deal found 6/8![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/41:42 pm
BOS
- STI
1 stop7h 47m
American Airlines
Deal found 6/10![American Airlines logo]()
$219
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:30 pm
BOS
- STI
1 stop11h 21m
JetBlue
Deal found 6/9![JetBlue logo]()
$221
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/69:31 am
BOS
- STI
2 stops29h 04m
American Airlines
Deal found 6/10![American Airlines logo]()
$225
This SmartFares deal was found by Cheapflights users on 6/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:11 pm
BOS
- STI
Nonstop4h 02m
JetBlue
Deal found 6/5![JetBlue logo]()
$228
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/57:23 pm
BOS
- STI
2 stops19h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$232
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:48 pm
BOS
- STI
Nonstop4h 00m
JetBlue
Deal found 6/9![JetBlue logo]()
$233
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
BOS
- STI
2 stops8h 35m
American Airlines
Deal found 6/7![American Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:55 pm
BOS
- STI
1 stop27h 34m
American Airlines
Deal found 6/7![American Airlines logo]()
$236
Find flight deals from Boston to Santiago de los Caballeros
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $458 (American Airlines) |
One-way from | $208 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $564 |
Good round-trip deal | $558 or less |
Good one-way deal | $287 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Santiago de los Caballeros that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Boston to Santiago de los Caballeros that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Wed 6/17
6:06 am-7:33 pm
1 stop13h 27m
Santiago de los Caballeros
Fri 7/3
6:00 am-10:41 pm
1 stop16h 41m
$475
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Wed 6/17
6:06 am-7:33 pm
1 stop13h 27m
Santiago de los Caballeros
Sat 6/27
8:59 pm-7:24 am
1 stop10h 25m
$482
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Mon 6/22
9:05 am-1:59 am
1 stop16h 54m
Santiago de los Caballeros
Mon 7/27
1:52 pm-10:43 pm
1 stop8h 51m
$501
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Sun 6/14
6:05 am-12:57 pm
1 stop6h 52m
Santiago de los Caballeros
Sat 6/20
6:00 am-3:23 pm
1 stop9h 23m
$521
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Sat 7/11
6:05 am-7:34 pm
1 stop13h 29m
Santiago de los Caballeros
Sat 7/25
8:59 pm-7:26 am
1 stop10h 27m
$538
Quickest round-trip
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Mon 6/22
9:48 pm-1:45 am
Nonstop3h 57m
Santiago de los Caballeros
Fri 6/26
5:01 am-8:55 am
Nonstop3h 54m
$543
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Sat 6/20
6:00 am-3:12 pm
1 stop9h 12m
Santiago de los Caballeros
Wed 7/1
6:00 am-1:16 pm
1 stop7h 16m
$554
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Tue 7/21
6:05 am-7:34 pm
1 stop13h 29m
Santiago de los Caballeros
Mon 7/27
1:52 pm-10:43 pm
1 stop8h 51m
$561
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Tue 7/28
9:05 am-7:34 pm
1 stop10h 29m
Santiago de los Caballeros
Thu 8/6
8:59 pm-7:25 am
1 stop10h 26m
$578
BostonSantiago de los Caballeros
BOS - STI
BOSSTI
Boston Logan Intl
Tue 6/23
6:06 am-7:33 pm
1 stop13h 27m
Santiago de los Caballeros
Sat 8/1
6:00 am-10:43 pm
1 stop16h 43m
$578
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Boston to Santiago de los Caballeros
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 de los Caballeros in June.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Santiago de los Caballeros flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Santiago de los Caballeros flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Santiago de los Caballeros 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 de los Caballeros 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 de los Caballeros
Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Boston with our price prediction graph.
BOS-STI
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 de los Caballeros
Prices
Delays
More
How far ahead should I book a flight from Boston to Santiago de los Caballeros?
The price you pay for your flight from Boston to Santiago de los Caballeros may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to Santiago de los Caballeros?
Currently, October is the cheapest month in which you can book a flight from Boston to Santiago de los Caballeros (average of $448). Flying from Boston to Santiago de los Caballeros in December is currently the most expensive (average of $735). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to STI?
Find hourly flight availability from Boston to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.
One of the essential ways to save on airfare from Boston to Santiago de los Caballeros is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 39% on airfare.
How often are flights from Boston to Santiago de los Caballeros delayed?
About 34% of weekly flights between Boston and Santiago de los Caballeros have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Boston to Santiago de los Caballeros flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Santiago de los Caballeros flights?
Over the last year, JetBlue have had the lowest number of delays on this route, with just 34% of flights being delayed.
What’s the top layover airport for flights from Boston to Santiago de los Caballeros?
Share of 1-stop round-trip flights from Boston to Santiago de los Caballeros chosen by Cheapflights users in the past 12 months, using the same layover each way.
Miami (MIA) – chosen by Cheapflights users on 75% of 1-stop itineraries from Boston to Santiago de los Caballeros on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Santiago de los Caballeros?
Average round-trip fare for 1-stop flights from Boston to Santiago de los Caballeros, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $377.
What’s the fastest layover option from Boston to Santiago de los Caballeros?
Shortest average travel time for 1-stop one-way flights from Boston to Santiago de los Caballeros, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Miami (MIA) have the shortest average one-way travel time for 1-stop routes: 7h 51m.
Which airport typically offers the quickest layover for flights from Boston to Santiago de los Caballeros?
Average layover duration for 1-stop one-way flights from Boston to Santiago de los Caballeros, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Miami (MIA) offer the fastest connection on this route, with an average layover time of 1h 54m.
Reviews of airlines servicing Santiago de los Caballeros
Get insights into the airlines that provide service to Santiago de los Caballeros. 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 de los Caballeros. Reviews last updated June 10, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Boston to Santiago de los Caballeros have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boston to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
Santiago de los Caballeros flight routes
Alternative routes for Boston to Santiago de los Caballeros
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Santiago de los Caballeros by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Santiago de los Caballeros by cabin class
Find flights from Boston to Santiago de los Caballeros, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Santiago de los Caballeros flights
Browse other Boston and Santiago de los Caballeros flight options. Last updated on June 10, 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 June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Santiago de los Caballeros
Explore flights to Santiago de los Caballeros departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Top 4 airlines flying from Boston to Santiago de los Caballeros
Discover the top 4 airlines that operate flights from Boston to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$378 | Average$588 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$395 | Average$531 | FlexibilityNo cancel fee | On-time71% |