$165+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Aug 6 — Aug 131
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 84 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap flight deals from Luis Munoz Marin Intl to Boston
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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 July 7, 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 July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 9/96:00 am
SJU
- BOS
1 stop8h 40m
Southwest
Wed 9/238:15 am
BOS
- SJU
2 stops10h 45m
Southwest
Deal found 7/3![Southwest logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:07 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Sun 9/69:59 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Deal found 7/6![JetBlue logo]()
$318
This Delta deal was found by Cheapflights users on 7/6. 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 9/412:56 pm
SJU
- BOS
1 stop9h 29m
Delta
Thu 9/109:05 am
BOS
- SJU
1 stop7h 44m
Delta
Deal found 7/6![Delta logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Mon 8/3110:10 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 7/4. 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 9/311:00 am
SJU
- BOS
1 stop11h 24m
JetBlue
Tue 9/89:59 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Deal found 7/4![JetBlue logo]()
$321
This JetBlue deal was found by Cheapflights users on 7/2. 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.
Fri 10/2310:30 am
SJU
- BOS
1 stop6h 29m
JetBlue
Sun 10/2510:15 am
BOS
- SJU
Nonstop3h 58m
JetBlue
Deal found 7/2![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:54 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Fri 8/287:50 pm
BOS
- SJU
Nonstop4h 04m
JetBlue
Deal found 7/5![JetBlue logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:00 am
SJU
- BOS
1 stop7h 17m
United Airlines
Fri 9/186:00 am
BOS
- SJU
1 stop7h 45m
United Airlines
Deal found 7/5![United Airlines logo]()
$324
This JetBlue deal was found by Cheapflights users on 7/3. 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 9/147:35 pm
SJU
- BOS
Nonstop4h 08m
JetBlue
Tue 9/156:55 am
BOS
- SJU
1 stop6h 39m
JetBlue
Deal found 7/3![JetBlue logo]()
$326
This Delta deal was found by Cheapflights users on 7/2. 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 10/92:06 pm
SJU
- BOS
Nonstop4h 05m
Delta
Mon 10/128:55 am
BOS
- SJU
Nonstop4h 06m
Delta
Deal found 7/2![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 7/3. 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 8/211:19 pm
SJU
- BOS
1 stop9h 24m
Delta
Mon 8/318:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/3![Delta logo]()
$328
This Expedia deal was found by Cheapflights users on 7/2. 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.
Mon 8/316:00 am
SJU
- BOS
2 stops17h 59m
JetBlue
Tue 9/2210:15 am
BOS
- SJU
Nonstop4h 08m
JetBlue
Deal found 7/2![JetBlue logo]()
$329
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 July 7, 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 July 7, 2026.
This JetBlue deal was found by Cheapflights users on 7/2. 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.
Fri 10/2310:30 am
SJU
- BOS
1 stop6h 29m
JetBlue
Sun 10/2510:15 am
BOS
- SJU
Nonstop3h 58m
JetBlue
Deal found 7/2![JetBlue logo]()
$322
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 8/81:19 pm
SJU
- BOS
1 stop9h 24m
Delta
Sat 8/225:30 am
BOS
- SJU
1 stop7h 46m
Delta
Deal found 7/5![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 7/2. 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 11/115:50 pm
SJU
- BOS
1 stop6h 50m
United Airlines
Sat 11/149:00 am
BOS
- SJU
2 stops11h 00m
United Airlines
Deal found 7/2![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 9/1611:50 am
SJU
- BOS
2 stops9h 35m
Southwest
Tue 9/298:30 am
BOS
- SJU
2 stops10h 30m
Southwest
Deal found 7/3![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:55 pm
SJU
- BOS
1 stop7h 04m
United Airlines
Mon 8/316:01 am
BOS
- SJU
2 stops14h 37m
United Airlines
Deal found 7/6![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:30 am
SJU
- BOS
1 stop10h 35m
Southwest
Fri 10/92:35 pm
BOS
- SJU
2 stops9h 45m
Southwest
Deal found 7/6![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 10/297:00 am
SJU
- BOS
1 stop8h 22m
Delta
Sun 11/13:34 pm
BOS
- SJU
1 stop8h 22m
Delta
Deal found 7/6![Delta logo]()
$336
This JetBlue deal was found by Cheapflights users on 7/4. 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.
Tue 9/15:01 am
SJU
- BOS
1 stop6h 24m
JetBlue
Wed 9/27:50 pm
BOS
- SJU
Nonstop4h 04m
JetBlue
Deal found 7/4![JetBlue logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:00 am
SJU
- BOS
2 stops9h 18m
United Airlines
Tue 9/1510:38 am
BOS
- SJU
2 stops13h 12m
United Airlines
Deal found 7/5![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/4. 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 8/132:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Tue 8/188:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/4![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 7/6. 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.
Mon 10/52:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Fri 10/98:55 am
BOS
- SJU
Nonstop4h 06m
Delta
Deal found 7/6![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 7/4. 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 8/41:19 pm
SJU
- BOS
1 stop9h 24m
Delta
Thu 8/68:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/4![Delta logo]()
$375
Last-minute flights from Luis Munoz Marin Intl to BostonDiscover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated July 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/216:00 am
SJU
- BOS
1 stop10h 17m
American Airlines
Wed 8/191:28 pm
BOS
- SJU
1 stop10h 31m
American Airlines
Deal found 7/2![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:00 am
SJU
- BOS
1 stop7h 23m
American Airlines
Thu 8/131:30 pm
BOS
- SJU
1 stop10h 29m
American Airlines
Deal found 7/5![American Airlines logo]()
$338
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:37 pm
SJU
- BOS
1 stop12h 32m
Frontier
Wed 8/1210:04 am
BOS
- SJU
1 stop9h 38m
Frontier
Deal found 7/2![Frontier logo]()
$336
This Priceline deal was found by Cheapflights users on 7/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:37 pm
SJU
- BOS
1 stop12h 32m
Multiple Airlines
Sun 8/167:50 pm
BOS
- SJU
Nonstop4h 04m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$340
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:54 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Fri 8/287:50 pm
BOS
- SJU
Nonstop4h 04m
JetBlue
Deal found 7/5![JetBlue logo]()
$323
This Delta deal was found by Cheapflights users on 7/3. 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 8/211:19 pm
SJU
- BOS
1 stop9h 24m
Delta
Mon 8/318:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/3![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/3. 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 8/211:19 pm
SJU
- BOS
1 stop9h 24m
Delta
Tue 9/15:30 am
BOS
- SJU
1 stop11h 08m
Delta
Deal found 7/3![Delta logo]()
$332
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Mon 8/3110:10 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:55 pm
SJU
- BOS
2 stops9h 04m
United Airlines
Tue 9/86:00 am
BOS
- SJU
1 stop7h 53m
United Airlines
Deal found 7/6![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/287:30 am
SJU
- BOS
1 stop14h 43m
American Airlines
Sun 8/308:00 am
BOS
- SJU
1 stop6h 53m
American Airlines
Deal found 7/2![American Airlines logo]()
$339
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 am
SJU
- BOS
1 stop6h 51m
JetBlue
Wed 9/910:15 am
BOS
- SJU
Nonstop4h 08m
JetBlue
Deal found 7/6![JetBlue logo]()
$326
This Expedia deal was found by Cheapflights users on 7/2. 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.
Mon 8/316:00 am
SJU
- BOS
2 stops17h 59m
JetBlue
Tue 9/2210:15 am
BOS
- SJU
Nonstop4h 08m
JetBlue
Deal found 7/2![JetBlue logo]()
$329
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 July 7, 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 July 7, 2026.
This Super.com deal was found by Cheapflights users on 7/2. 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.
Tue 8/115:20 pm
SJU
- BOS
1 stop14h 26m
Frontier
Deal found 7/2![Frontier logo]()
$165
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:30 am
SJU
- BOS
1 stop9h 00m
Southwest
Deal found 7/6![Southwest logo]()
$166
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 7/3![Frontier logo]()
$168
This Orbitz deal was found by Cheapflights users on 7/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
SJU
- BOS
2 stops17h 59m
JetBlue
Deal found 7/6![JetBlue logo]()
$170
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:10 am
SJU
- BOS
1 stop29h 59m
Frontier
Deal found 7/6![Frontier logo]()
$171
This Delta deal was found by Cheapflights users on 7/6. 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.
Mon 8/312:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 7/6![Delta logo]()
$172
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Wed 8/122:30 pm
SJU
- BOS
Nonstop4h 10m
JetBlue
Deal found 7/3![JetBlue logo]()
$173
This Priceline deal was found by Cheapflights users on 7/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:10 am
SJU
- BOS
1 stop29h 59m
Frontier
Deal found 7/6![Frontier logo]()
$174
This Super.com deal was found by Cheapflights users on 7/2. 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 9/410:35 pm
SJU
- BOS
1 stop10h 10m
JetBlue
Deal found 7/2![JetBlue logo]()
$175
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 7/216:00 am
SJU
- BOS
1 stop10h 17m
American Airlines
Deal found 7/7![American Airlines logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:12 am
SJU
- BOS
Nonstop4h 03m
JetBlue
Deal found 7/6![JetBlue logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 7/5. 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.
Thu 9/310:35 pm
SJU
- BOS
1 stop9h 11m
JetBlue
Deal found 7/5![JetBlue logo]()
$178
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (Southwest) |
One-way from | $165 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $393 |
Good round-trip deal | $332 or less |
Good one-way deal | $211 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 2,558,603 searches. Data last updated July 7, 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 - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 10/23
10:30 am-4:59 pm
1 stop6h 29m
Boston Logan Intl
Sun 10/25
10:15 am-2:13 pm
Nonstop3h 58m
$322
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Sat 8/8
1:19 pm-10:43 pm
1 stop9h 24m
Boston Logan Intl
Sat 8/22
5:30 am-1:16 pm
1 stop7h 46m
$332
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 11/11
5:50 pm-11:40 pm
1 stop6h 50m
Boston Logan Intl
Sat 11/14
9:00 am-9:00 pm
2 stops11h 00m
$332
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 8/27
4:55 pm-11:59 pm
1 stop7h 04m
Boston Logan Intl
Mon 8/31
6:01 am-8:38 pm
2 stops14h 37m
$332
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 9/16
11:50 am-9:25 pm
2 stops9h 35m
Boston Logan Intl
Tue 9/29
8:30 am-7:00 pm
2 stops10h 30m
$333
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Mon 10/5
5:30 am-4:05 pm
1 stop10h 35m
Boston Logan Intl
Fri 10/9
2:35 pm-12:20 am
2 stops9h 45m
$333
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 10/29
7:00 am-3:22 pm
1 stop8h 22m
Boston Logan Intl
Sun 11/1
3:34 pm-12:56 am
1 stop8h 22m
$336
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 9/1
5:01 am-11:25 am
1 stop6h 24m
Boston Logan Intl
Wed 9/2
7:50 pm-11:54 pm
Nonstop4h 04m
$350
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 9/11
1:00 am-10:18 am
2 stops9h 18m
Boston Logan Intl
Tue 9/15
10:38 am-11:50 pm
2 stops13h 12m
$356
Quickest round-trip
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 8/13
2:10 pm-6:21 pm
Nonstop4h 11m
Boston Logan Intl
Tue 8/18
8:50 am-12:57 pm
Nonstop4h 07m
$360
Showing 1-10 of 21 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 July.
| 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 Accuracy3 stars | 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 |
- 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
Delays
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Boston?
Booking 90 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 $223). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in June is currently the most expensive (average of $407). 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 July 7, 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 July 4, 2026.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Boston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday 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 19% 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 July 7, 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.
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
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?
Book flights to Boston if you plan to visit one of these locationsWaltham
Cambridge
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York Beach
Chelsea
Londonderry
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North Falmouth
Smithfield
Braintree
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Luis Munoz Marin Intl and Boston flights
Browse other Luis Munoz Marin Intl and Boston flight options. Last updated on July 7, 2026.
Other flights from Luis Munoz Marin Intl
Browse through other flights departing from Luis Munoz Marin Intl. Flights are based on user searches made on Cheapflights and were last updated on July 7, 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 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$334 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$452 | FlexibilityNo cancel fee | On-time69% |