$154+ Cheap flights from Luis Munoz Marin Intl (SJU) to Boston (BOS)
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to Boston 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 San Juan Luis Munoz Marin Intl to Boston Logan Intl are usually found in February or April, booked 42 days in advance, depart on a Friday or Wednesday and return on a Monday
Cheap flight deals from Luis Munoz Marin Intl to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Luis Munoz Marin Intl to BostonExplore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Faresmojo deal was found by Cheapflights users on 8/18. 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 12/41:55 pm -
1 stop8h 08m
Sun 12/65:30 am -
1 stop7h 30m
Deal found 8/18![JetBlue logo]()
$286
This Faresmojo deal was found by Cheapflights users on 8/19. 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 10/54:20 pm -
Nonstop4h 08m
Sat 10/107:20 pm -
Nonstop4h 38m
Deal found 8/19![JetBlue logo]()
$287
This Faresmojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:31 pm -
1 stop9h 28m
Sun 9/66:05 am -
1 stop10h 28m
Deal found 8/16![JetBlue logo]()
$288
This Faresmojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:43 pm -
1 stop8h 41m
Wed 9/97:55 am -
Nonstop4h 07m
Deal found 8/16![JetBlue logo]()
$289
This Faresmojo deal was found by Cheapflights users on 8/17. 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 9/297:30 am -
1 stop7h 12m
Wed 10/78:50 am -
Nonstop4h 02m
Deal found 8/17![JetBlue logo]()
$290
This Faresmojo deal was found by Cheapflights users on 8/19. 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.
Thu 9/105:59 pm -
1 stop7h 18m
Mon 9/148:55 am -
Nonstop4h 02m
Deal found 8/19![JetBlue logo]()
$292
This Faresmojo deal was found by Cheapflights users on 8/17. 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 9/65:30 pm -
1 stop7h 14m
Sat 9/198:19 am -
1 stop7h 04m
Deal found 8/17![JetBlue logo]()
$294
This Faresmojo deal was found by Cheapflights users on 8/17. 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.
Sat 9/52:10 pm -
Nonstop4h 11m
Mon 9/78:50 am -
Nonstop4h 07m
Deal found 8/17![JetBlue logo]()
$295
This Faresmojo deal was found by Cheapflights users on 8/17. 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 11/242:30 pm -
Nonstop4h 23m
Mon 11/308:13 am -
Nonstop4h 07m
Deal found 8/17![JetBlue logo]()
$296
This Super.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/116:00 am -
Nonstop4h 03m
Sun 9/137:55 am -
Nonstop4h 07m
Deal found 8/18![JetBlue logo]()
$298
This Faresmojo deal was found by Cheapflights users on 8/17. 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 11/202:30 pm -
Nonstop4h 23m
Tue 11/246:00 am -
1 stop10h 20m
Deal found 8/17![JetBlue logo]()
$299
This Faresmojo deal was found by Cheapflights users on 8/18. 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 10/305:35 pm -
1 stop6h 30m
Tue 11/39:10 am -
1 stop13h 10m
Deal found 8/18![JetBlue logo]()
$301
Best flights from Luis Munoz Marin Intl to BostonDiscover carefully curated flight deals from Luis Munoz Marin Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Luis Munoz Marin Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 10/106:45 am -
1 stop8h 04m
Sat 10/178:50 am -
Nonstop4h 02m
Deal found 8/19![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 am -
1 stop7h 47m
Mon 10/56:00 am -
1 stop8h 44m
Deal found 8/20![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:25 am -
2 stops10h 05m
Thu 10/295:10 pm -
1 stop6h 55m
Deal found 8/16![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:59 pm -
1 stop7h 18m
Sun 9/278:55 am -
Nonstop4h 02m
Deal found 8/20![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:25 pm -
1 stop9h 20m
Mon 10/126:00 am -
1 stop7h 45m
Deal found 8/20![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 8/19. 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 9/1012:56 pm -
1 stop10h 35m
Mon 9/148:55 am -
Nonstop4h 02m
Deal found 8/19![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/174:55 pm -
1 stop7h 04m
Wed 9/307:38 am -
2 stops13h 00m
Deal found 8/18![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 8/17. 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 9/255:59 pm -
1 stop7h 18m
Mon 9/288:55 am -
Nonstop4h 02m
Deal found 8/17![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am -
1 stop8h 04m
Sun 10/118:50 am -
Nonstop4h 02m
Deal found 8/18![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:15 pm -
1 stop9h 53m
Sun 10/188:50 am -
Nonstop4h 02m
Deal found 8/17![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:30 am -
1 stop7h 12m
Tue 9/221:32 pm -
1 stop10h 17m
Deal found 8/16![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:59 pm -
1 stop7h 18m
Tue 9/295:30 am -
1 stop8h 15m
Deal found 8/20![Delta logo]()
$316
Last-minute flights from Luis Munoz Marin Intl to BostonDiscover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated August 21, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 8/17. 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.
Sat 8/292:31 pm -
1 stop9h 28m
Sun 9/66:05 am -
1 stop10h 28m
Deal found 8/17![JetBlue logo]()
$288
This Faresmojo deal was found by Cheapflights users on 8/17. 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 9/21:43 pm -
1 stop8h 41m
Wed 9/97:55 am -
Nonstop4h 07m
Deal found 8/17![JetBlue logo]()
$289
This Faresmojo deal was found by Cheapflights users on 8/17. 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.
Sat 9/52:10 pm -
Nonstop4h 11m
Mon 9/78:50 am -
Nonstop4h 07m
Deal found 8/17![JetBlue logo]()
$295
This Faresmojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:30 pm -
1 stop7h 14m
Sat 9/198:19 am -
1 stop7h 04m
Deal found 8/16![JetBlue logo]()
$294
This Faresmojo deal was found by Cheapflights users on 8/19. 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.
Thu 9/105:59 pm -
1 stop7h 18m
Mon 9/148:55 am -
Nonstop4h 02m
Deal found 8/19![JetBlue logo]()
$292
This Faresmojo deal was found by Cheapflights users on 8/19. 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 9/112:10 pm -
Nonstop4h 13m
Tue 9/158:55 am -
Nonstop4h 02m
Deal found 8/19![JetBlue logo]()
$287
This Super.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/116:00 am -
Nonstop4h 03m
Sun 9/137:55 am -
Nonstop4h 07m
Deal found 8/18![JetBlue logo]()
$298
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:10 pm -
Nonstop4h 13m
Wed 9/238:55 am -
Nonstop4h 02m
Deal found 8/17![Delta logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Fri 9/256:55 pm -
Nonstop4h 08m
Sun 9/277:55 am -
Nonstop4h 07m
Deal found 8/17![JetBlue logo]()
$304
This Faresmojo deal was found by Cheapflights users on 8/18. 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 9/292:10 pm -
Nonstop4h 13m
Wed 10/78:50 am -
Nonstop4h 02m
Deal found 8/18![JetBlue logo]()
$286
One-way flights from Luis Munoz Marin Intl to BostonSearch for one-way flight options from Luis Munoz Marin Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Luis Munoz Marin Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Faresmojo deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:12 am -
Nonstop4h 03m
Deal found 8/20![JetBlue logo]()
$154
This Faresmojo deal was found by Cheapflights users on 8/19. 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 11/187:00 am -
Nonstop4h 13m
Deal found 8/19![JetBlue logo]()
$155
This Faresmojo deal was found by Cheapflights users on 8/17. 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 9/12:10 pm -
Nonstop4h 11m
Deal found 8/17![JetBlue logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:44 am -
2 stops29h 06m
Deal found 8/19![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:40 am -
1 stop6h 40m
Deal found 8/17![Southwest logo]()
$158
This CheapOair deal was found by Cheapflights users on 8/17. 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.
Wed 9/96:42 pm -
1 stop15h 40m
Deal found 8/17![Frontier logo]()
$160
This Faresmojo deal was found by Cheapflights users on 8/18. 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.
Sat 8/292:31 pm -
1 stop9h 28m
Deal found 8/18![JetBlue logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 10/146:12 am -
Nonstop4h 03m
Deal found 8/17![JetBlue logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Thu 11/1912:19 pm -
Nonstop4h 15m
Deal found 8/19![JetBlue logo]()
$163
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:10 pm -
Nonstop4h 13m
Deal found 8/17![Delta logo]()
$164
This Super.com deal was found by Cheapflights users on 8/17. 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.
Fri 9/112:32 pm -
1 stop9h 07m
Deal found 8/17![JetBlue logo]()
$165
Find flight deals from Luis Munoz Marin Intl to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Boston (BOS). 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $286 (Faresmojo) |
One-way from | $154 (Faresmojo) |
Popular in | July |
Cheapest in | February |
Average price | $396 |
Good round-trip deal | $310 or less |
Good one-way deal | $240 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Luis Munoz Marin Intl to Boston 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 August 21, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Sat 10/10
6:45 am-2:49 pm
1 stop8h 04m
Boston Logan Intl
Sat 10/17
8:50 am-12:52 pm
Nonstop4h 02m
$312
Quickest round-trip
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 9/18
5:59 pm-1:17 am
1 stop7h 18m
Boston Logan Intl
Sun 9/27
8:55 am-12:57 pm
Nonstop4h 02m
$312
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 9/10
12:56 pm-11:31 pm
1 stop10h 35m
Boston Logan Intl
Mon 9/14
8:55 am-12:57 pm
Nonstop4h 02m
$312
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 9/25
5:59 pm-1:17 am
1 stop7h 18m
Boston Logan Intl
Mon 9/28
8:55 am-12:57 pm
Nonstop4h 02m
$312
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 10/8
6:45 am-2:49 pm
1 stop8h 04m
Boston Logan Intl
Sun 10/11
8:50 am-12:52 pm
Nonstop4h 02m
$312
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 10/15
1:15 pm-11:08 pm
1 stop9h 53m
Boston Logan Intl
Sun 10/18
8:50 am-12:52 pm
Nonstop4h 02m
$312
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 10/1
1:00 am-8:47 am
1 stop7h 47m
Boston Logan Intl
Mon 10/5
6:00 am-2:44 pm
1 stop8h 44m
$316
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 10/9
1:25 pm-10:45 pm
1 stop9h 20m
Boston Logan Intl
Mon 10/12
6:00 am-1:45 pm
1 stop7h 45m
$316
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 9/15
7:30 am-2:42 pm
1 stop7h 12m
Boston Logan Intl
Tue 9/22
1:32 pm-11:49 pm
1 stop10h 17m
$316
San JuanBoston
SJU San Juan Luis Munoz Marin Intl - BOS Boston Logan Intl
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 9/17
5:59 pm-1:17 am
1 stop7h 18m
Boston Logan Intl
Tue 9/29
5:30 am-1:45 pm
1 stop8h 15m
$316
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Luis Munoz Marin Intl to Boston
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 Luis Munoz Marin Intl to Boston in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Boston 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 San Juan Luis Munoz Marin Intl Airport-Boston 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 Luis Munoz Marin Intl to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Luis Munoz Marin Intl with our price prediction graph.
SJU-BOS
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 San Juan Luis Munoz Marin Intl Airport to Boston
Prices
Airlines
Delays
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Boston?
Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston. 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 San Juan Luis Munoz Marin Intl Airport to Boston?
Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of $224). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in July is currently the most expensive (average of $439). 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 SJU to BOS?
Find hourly flight availability from Luis Munoz Marin Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2026.
When flying from San Juan Luis Munoz Marin Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight at noon.
What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Boston?
Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Boston. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Juan to Boston delayed?
About 20% of weekly flights between San Juan and Boston have experienced delays in the past year, with the average delay time being 156 minutes.
What is the most punctual flight time for San Juan to Boston 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Juan to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for San Juan Luis Munoz Marin Intl Airport to Boston flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Juan Luis Munoz Marin Intl Airport to Boston trip
Our travel experts
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated August 21, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue from San Juan Luis Munoz Marin Intl Airport to Boston 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
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Luis Munoz Marin Intl to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
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Luis Munoz Marin Intl and Boston flights
Browse other Luis Munoz Marin Intl and Boston flight options. Last updated on August 21, 2026.
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Top 4 airlines flying from Luis Munoz Marin Intl to Boston
Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl to Boston. 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 August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$350 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$452 | FlexibilityNo cancel fee | On-time69% |