$98+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
May 9 — May 161
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
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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 66 days in advance, depart on a Thursday or Friday and return on a Wednesday
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 April 9, 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 April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/96:00 am
SJU
- BOS
Nonstop4h 16m
Multiple Airlines
Tue 4/143:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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 4/910:00 am
SJU
- BOS
Nonstop4h 18m
Spirit Airlines
Mon 4/133:23 pm
BOS
- SJU
Nonstop3h 56m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$151
This Orbitz deal was found by Cheapflights users on 4/3. 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 4/76:00 am
SJU
- BOS
Nonstop4h 16m
Frontier
Sat 4/1111:18 am
BOS
- SJU
Nonstop3h 59m
Frontier
Deal found 4/3![Frontier logo]()
$152
This eDestinos deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:00 am
SJU
- BOS
Nonstop4h 18m
Spirit Airlines
Sun 4/123:23 pm
BOS
- SJU
Nonstop3h 56m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Thu 4/96:00 am
SJU
- BOS
Nonstop4h 16m
Multiple Airlines
Mon 4/133:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 4/1110:00 am
SJU
- BOS
Nonstop4h 18m
Multiple Airlines
Sun 4/1211:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$159
This Travelocity deal was found by Cheapflights users on 4/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
SJU
- BOS
Nonstop4h 16m
Frontier
Sun 4/1211:18 am
BOS
- SJU
Nonstop3h 59m
Frontier
Deal found 4/4![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SJU
- BOS
Nonstop4h 16m
Multiple Airlines
Sun 4/123:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$164
This Frontier deal was found by Cheapflights users on 4/3. 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.
Sat 4/46:00 am
SJU
- BOS
Nonstop4h 16m
Frontier
Sun 4/1211:18 am
BOS
- SJU
Nonstop3h 59m
Frontier
Deal found 4/3![Frontier logo]()
$166
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 April 9, 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 April 9, 2026.
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
SJU
- BOS
Nonstop4h 16m
Multiple Airlines
Mon 4/133:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$188
This Frontier deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Sun 6/286:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 4/8![Frontier logo]()
$277
This Delta deal was found by Cheapflights users on 4/4. 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 6/252:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Thu 7/305:40 am
BOS
- SJU
1 stop7h 15m
Delta
Deal found 4/4![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 4/201:00 am
SJU
- BOS
2 stops9h 04m
United Airlines
Sat 4/252:37 pm
BOS
- SJU
2 stops9h 13m
United Airlines
Deal found 4/5![United Airlines logo]()
$312
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
SJU
- BOS
1 stop27h 12m
Multiple Airlines
Sat 5/168:00 am
BOS
- SJU
Nonstop4h 00m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 4/5. 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.
Fri 6/52:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Sun 6/76:06 am
BOS
- SJU
1 stop10h 23m
Delta
Deal found 4/5![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/4. 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 5/285:43 pm
SJU
- BOS
1 stop7h 45m
Delta
Mon 6/18:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Deal found 4/4![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/6. 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 6/52:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Wed 6/106:06 am
BOS
- SJU
1 stop10h 23m
Delta
Deal found 4/6![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/4. 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 6/302:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Tue 7/146:05 am
BOS
- SJU
1 stop10h 33m
Delta
Deal found 4/4![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Tue 6/305:30 am
BOS
- SJU
1 stop11h 16m
Delta
Deal found 4/8![Delta logo]()
$328
Last-minute flights from Luis Munoz Marin Intl to BostonDiscover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated April 9, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 4/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 am
SJU
- BOS
Nonstop4h 07m
Spirit Airlines
Wed 4/2211:20 am
BOS
- SJU
1 stop13h 38m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$176
This eDestinos deal was found by Cheapflights users on 4/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 am
SJU
- BOS
Nonstop4h 07m
Spirit Airlines
Mon 4/202:12 pm
BOS
- SJU
Nonstop3h 54m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$200
This Expedia deal was found by Cheapflights users on 4/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 am
SJU
- BOS
Nonstop4h 07m
Spirit Airlines
Fri 4/242:12 pm
BOS
- SJU
Nonstop3h 54m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 am
SJU
- BOS
Nonstop4h 07m
Multiple Airlines
Mon 4/2012:31 pm
BOS
- SJU
1 stop11h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$204
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:23 pm
SJU
- BOS
1 stop10h 08m
Frontier
Sat 5/211:16 am
BOS
- SJU
1 stop11h 32m
Frontier
Deal found 4/7![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Sat 4/183:47 pm
SJU
- BOS
1 stop9h 44m
Multiple Airlines
Wed 4/2211:20 am
BOS
- SJU
1 stop13h 38m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$205
This Booking.com deal was found by Cheapflights users on 4/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
SJU
- BOS
1 stop26h 16m
Multiple Airlines
Fri 4/242:12 pm
BOS
- SJU
Nonstop3h 54m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$213
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 April 9, 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 April 9, 2026.
This Frontier deal was found by Cheapflights users on 4/4. 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 4/4![Frontier logo]()
$98
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:09 pm
SJU
- BOS
1 stop15h 03m
Frontier
Deal found 4/6![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Fri 6/1910:35 am
SJU
- BOS
Nonstop4h 07m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 5/56:00 am
SJU
- BOS
1 stop27h 12m
Frontier
Deal found 4/6![Frontier logo]()
$101
This Expedia deal was found by Cheapflights users on 4/4. 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.
Fri 4/101:45 am
SJU
- BOS
1 stop8h 09m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$103
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:30 am
SJU
- BOS
1 stop26h 36m
Frontier
Deal found 4/7![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 5/13:23 pm
SJU
- BOS
1 stop10h 08m
Frontier
Deal found 4/4![Frontier logo]()
$105
This Travelocity deal was found by Cheapflights users on 4/6. 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.
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 4/6![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:25 pm
SJU
- BOS
1 stop14h 47m
Frontier
Deal found 4/6![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Thu 4/301:42 pm
SJU
- BOS
1 stop18h 16m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$108
This Super.com deal was found by Cheapflights users on 4/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:30 am
SJU
- BOS
1 stop28h 01m
Frontier
Deal found 4/4![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:43 pm
SJU
- BOS
1 stop27h 50m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$111
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Priceline) |
One-way from | $98 (Frontier) |
Popular in | July |
Cheapest in | February |
Average price | $256 |
Good round-trip deal | $199 or less |
Good one-way deal | $153 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 April 9, 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
Sat 4/11
6:00 am-10:16 am
Nonstop4h 16m
Boston Logan Intl
Mon 4/13
3:23 pm-7:19 pm
Nonstop3h 56m
$188
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 5/5
6:00 am-9:12 am
1 stop27h 12m
Boston Logan Intl
Sat 5/16
8:00 am-12:00 pm
Nonstop4h 00m
$256
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 6/25
5:15 pm-7:52 am
1 stop14h 37m
Boston Logan Intl
Sun 6/28
6:00 am-2:15 pm
1 stop8h 15m
$277
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 6/25
2:05 pm-6:14 pm
Nonstop4h 09m
Boston Logan Intl
Thu 7/30
5:40 am-12:55 pm
1 stop7h 15m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 6/5
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Sun 6/7
6:06 am-4:29 pm
1 stop10h 23m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 5/28
5:43 pm-1:28 am
1 stop7h 45m
Boston Logan Intl
Mon 6/1
8:50 am-12:49 pm
Nonstop3h 59m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 6/5
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Wed 6/10
6:06 am-4:29 pm
1 stop10h 23m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 6/30
2:05 pm-6:14 pm
Nonstop4h 09m
Boston Logan Intl
Tue 7/14
6:05 am-4:38 pm
1 stop10h 33m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Mon 4/20
1:00 am-10:04 am
2 stops9h 04m
Boston Logan Intl
Sat 4/25
2:37 pm-11:50 pm
2 stops9h 13m
$312
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 6/5
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Tue 6/30
5:30 am-4:46 pm
1 stop11h 16m
$328
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 April.
| 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*2 stars | |
| 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*2 stars | |
| Price Accuracy1 star | 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.
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Everything you need to know about your flight from San Juan Luis Munoz Marin Intl Airport to Boston
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What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Boston?
Currently, December is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of $93). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in November is currently the most expensive (average of $141). 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 April 9, 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 20% 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 April 4, 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 165 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 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 11% 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 April 9, 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.
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Luis Munoz Marin Intl and Boston flights
Browse other Luis Munoz Marin Intl and Boston flight options. Last updated on April 9, 2026.
Other flights from Luis Munoz Marin Intl
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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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$193 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$94 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$141 | Average$311 | FlexibilityNo cancel fee | On-time62% |