$112+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Jun 6 — Jun 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 December, booked 42 days in advance, depart on a Friday or Tuesday and return on a Wednesday
Cheap flight deals from Luis Munoz Marin Intl to Boston
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Best
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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 May 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 May 7, 2026.
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/4![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Wed 5/2010:07 am
BOS
- SJU
1 stop16h 01m
Frontier
Deal found 5/2![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Wed 8/1211:05 am
BOS
- SJU
1 stop12h 24m
Frontier
Deal found 5/5![Frontier logo]()
$236
This Priceline deal was found by Cheapflights users on 5/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/3![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 7/1811:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/6![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 8/86:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/3![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Sun 8/236:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/6![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Wed 7/1511:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/6![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 7/1811:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/6![Frontier logo]()
$265
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Mon 6/18:45 am
BOS
- SJU
Nonstop4h 04m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sun 7/126:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/6![Frontier logo]()
$272
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 May 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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 6/192:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Sat 8/158:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/6![Delta logo]()
$303
This JetBlue deal was found by Cheapflights users on 5/2. 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.
Sat 5/306:30 am
SJU
- BOS
1 stop10h 24m
JetBlue
Fri 6/512:16 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Deal found 5/2![JetBlue logo]()
$342
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 7/92:03 pm
SJU
- BOS
Nonstop4h 07m
Delta
Mon 7/135:30 am
BOS
- SJU
1 stop7h 41m
Delta
Deal found 5/3![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 5/3. 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 5/222:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Tue 5/265:40 am
BOS
- SJU
1 stop7h 40m
Delta
Deal found 5/3![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 5/2. 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.
Tue 8/47:30 am
SJU
- BOS
1 stop8h 43m
Delta
Thu 8/66:05 am
BOS
- SJU
1 stop10h 28m
Delta
Deal found 5/2![Delta logo]()
$332
This JetBlue deal was found by Cheapflights users on 5/6. 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.
Thu 7/26:00 am
SJU
- BOS
Nonstop4h 07m
JetBlue
Wed 7/88:25 am
BOS
- SJU
1 stop10h 26m
JetBlue
Deal found 5/6![JetBlue logo]()
$402
This Delta deal was found by Cheapflights users on 5/6. 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 5/282:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Tue 6/21:29 pm
BOS
- SJU
1 stop10h 06m
Delta
Deal found 5/6![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 6/251:10 pm
SJU
- BOS
1 stop9h 31m
Delta
Sun 6/285:30 am
BOS
- SJU
1 stop7h 34m
Delta
Deal found 5/3![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 5/2. 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.
Wed 8/52:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Mon 8/108:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/2![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 7/82:42 pm
SJU
- BOS
1 stop10h 38m
Delta
Wed 7/158:50 am
BOS
- SJU
Nonstop4h 03m
Delta
Deal found 5/6![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 7/32:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Mon 7/65:30 am
BOS
- SJU
1 stop7h 34m
Delta
Deal found 5/4![Delta logo]()
$429
Last-minute flights from Luis Munoz Marin Intl to BostonDiscover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated May 7, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/3![Frontier logo]()
$279
This Priceline deal was found by Cheapflights users on 5/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/3![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/2![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Wed 5/2010:07 am
BOS
- SJU
1 stop16h 01m
Frontier
Deal found 5/2![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/306:00 am
BOS
- SJU
2 stops18h 41m
Frontier
Deal found 5/3![Frontier logo]()
$278
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Mon 6/18:45 am
BOS
- SJU
Nonstop4h 04m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$268
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Tue 6/212:35 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:00 am
SJU
- BOS
1 stop26h 06m
Frontier
Tue 6/99:10 am
BOS
- SJU
2 stops15h 27m
Frontier
Deal found 5/2![Frontier logo]()
$274
This Priceline deal was found by Cheapflights users on 5/5. 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.
Thu 6/45:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Sun 6/712:16 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$282
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/4![Frontier logo]()
$212
This Travelocity deal was found by Cheapflights users on 5/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Sat 8/156:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/6![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Mon 7/1311:05 am
BOS
- SJU
1 stop30h 31m
Frontier
Deal found 5/3![Frontier logo]()
$283
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 May 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 May 7, 2026.
This Expedia deal was found by Cheapflights users on 5/2. 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.
Tue 6/29:00 am
SJU
- BOS
1 stop26h 06m
Frontier
Deal found 5/2![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$114
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:30 am
SJU
- BOS
1 stop26h 36m
Frontier
Deal found 5/3![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 5/5. 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.
Wed 6/35:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/5![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Deal found 5/6![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/5![Frontier logo]()
$120
This Orbitz deal was found by Cheapflights users on 5/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
SJU
- BOS
1 stop27h 05m
Frontier
Deal found 5/3![Frontier logo]()
$124
This Expedia deal was found by Cheapflights users on 5/2. 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.
Wed 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/2![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$128
This Trip.com deal was found by Cheapflights users on 5/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/5![Frontier logo]()
$136
This Trip.com deal was found by Cheapflights users on 5/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/5![Frontier logo]()
$137
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Frontier) |
One-way from | $112 (Expedia) |
Popular in | July |
Cheapest in | February |
Average price | $314 |
Good round-trip deal | $223 or less |
Good one-way deal | $156 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 May 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
Quickest round-trip
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 6/19
2:05 pm-6:14 pm
Nonstop4h 09m
Boston Logan Intl
Sat 8/15
8:50 am-12:57 pm
Nonstop4h 07m
$303
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 7/9
2:03 pm-6:10 pm
Nonstop4h 07m
Boston Logan Intl
Mon 7/13
5:30 am-1:11 pm
1 stop7h 41m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 5/22
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Tue 5/26
5:40 am-1:20 pm
1 stop7h 40m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 8/4
7:30 am-4:13 pm
1 stop8h 43m
Boston Logan Intl
Thu 8/6
6:05 am-4:33 pm
1 stop10h 28m
$332
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Sat 5/30
6:30 am-4:54 pm
1 stop10h 24m
Boston Logan Intl
Fri 6/5
12:16 pm-4:18 pm
Nonstop4h 02m
$342
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 5/28
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Tue 6/2
1:29 pm-11:35 pm
1 stop10h 06m
$348
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 6/25
1:10 pm-10:41 pm
1 stop9h 31m
Boston Logan Intl
Sun 6/28
5:30 am-1:04 pm
1 stop7h 34m
$352
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 8/5
2:10 pm-6:21 pm
Nonstop4h 11m
Boston Logan Intl
Mon 8/10
8:50 am-12:57 pm
Nonstop4h 07m
$383
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 7/2
6:00 am-10:07 am
Nonstop4h 07m
Boston Logan Intl
Wed 7/8
8:25 am-6:51 pm
1 stop10h 26m
$402
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 7/8
2:42 pm-1:20 am
1 stop10h 38m
Boston Logan Intl
Wed 7/15
8:50 am-12:53 pm
Nonstop4h 03m
$429
Showing 1-10 of 22 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| 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 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 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 $220). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in July is currently the most expensive (average of $319). 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 May 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 afternoon, which can drop the price by up to 25% 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 May 2, 2026.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Boston flight should consider departing on Saturday 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 18% of weekly flights between San Juan and Boston have experienced delays in the past year, with the average delay time being 163 minutes.
What is the most punctual flight time for San Juan to Boston flights?
Historically, flights departing at night 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 San Juan to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 12% 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 May 7, 2026.
Get a feel of what it's like to fly with Delta,JetBlue, andSpirit Airlines 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.
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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 May 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 May 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$192 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$95 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$283 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$144 | Average$317 | FlexibilityNo cancel fee | On-time62% |