Cheap First Class Flights from Boston to San Juan Luis Munoz Marin Intl Airport
BOS — SJU
Aug 23 — Aug 301
Round-trip
1 adult, First
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Find the latest flights to San Juan Luis Munoz Marin Intl Airport in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data were last updated on July 24, 2026.
Top Rated Airline | American Airlines |
|---|---|
No. of Airlines | 4 |
Find First Class flight deals from Boston to San Juan Luis Munoz Marin Intl Airport
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Cheapest first class flights to Luis Munoz Marin IntlExplore the most affordable first class flight options available to Luis Munoz Marin Intl. Find the lowest fares based on data from user searches, with prices last updated on July 24, 2026.
Explore the most affordable first class flight options available to Luis Munoz Marin Intl. Find the lowest fares based on data from user searches, with prices last updated on July 24, 2026.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am
BOS
- SJU
Nonstop4h 02m
Delta
Wed 9/302:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/22![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:55 am
BOS
- SJU
Nonstop4h 02m
Delta
Wed 9/302:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/19![Delta logo]()
$587
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/292:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/23![Delta logo]()
$606
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:05 pm
BOS
- SJU
1 stop6h 47m
Delta
Tue 9/157:30 am
SJU
- BOS
1 stop7h 12m
Delta
Deal found 7/23![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/22. 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 8/188:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/12:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 7/22![Delta logo]()
$639
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:38 am
BOS
- SJU
1 stop6h 07m
United Airlines
Tue 9/291:00 am
SJU
- BOS
1 stop8h 44m
United Airlines
Deal found 7/19![United Airlines logo]()
$696
Best first class flights to Luis Munoz Marin IntlDiscover carefully curated first class flight deals to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated first class flight deals to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am
BOS
- SJU
Nonstop4h 02m
Delta
Wed 9/302:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/20![Delta logo]()
$567
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am
BOS
- SJU
1 stop7h 45m
United Airlines
Wed 9/301:00 am
SJU
- BOS
1 stop8h 44m
United Airlines
Deal found 7/19![United Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/157:30 am
SJU
- BOS
1 stop7h 12m
Delta
Deal found 7/20![Delta logo]()
$611
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/295:59 pm
SJU
- BOS
1 stop7h 18m
Delta
Deal found 7/19![Delta logo]()
$611
This Delta deal was found by Cheapflights users on 7/22. 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 8/188:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/12:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 7/22![Delta logo]()
$639
This Delta deal was found by Cheapflights users on 7/22. 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 8/255:30 am
BOS
- SJU
1 stop8h 12m
Delta
Tue 9/82:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/22![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/23![Delta logo]()
$387
One-way first class flights to Luis Munoz Marin IntlSearch for one-way first class flight options to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way first class flight options to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/23![Delta logo]()
$387
Quickest first class flights to Luis Munoz Marin IntlExplore quickest first class flight options to Luis Munoz Marin Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 24, 2026.
Explore quickest first class flight options to Luis Munoz Marin Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am
BOS
- SJU
Nonstop4h 02m
Delta
Wed 9/302:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/22![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:55 am
BOS
- SJU
Nonstop4h 02m
Delta
Wed 9/302:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/19![Delta logo]()
$587
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/292:10 pm
SJU
- BOS
Nonstop4h 13m
Delta
Deal found 7/23![Delta logo]()
$606
This Delta deal was found by Cheapflights users on 7/22. 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 8/188:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Tue 9/12:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 7/22![Delta logo]()
$639
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:38 am
BOS
- SJU
1 stop6h 07m
United Airlines
Tue 9/291:00 am
SJU
- BOS
1 stop8h 44m
United Airlines
Deal found 7/19![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:05 pm
BOS
- SJU
1 stop6h 47m
Delta
Tue 9/157:30 am
SJU
- BOS
1 stop7h 12m
Delta
Deal found 7/23![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 7/23![Delta logo]()
$387
Travel insights for first class flights from Boston to Luis Munoz Marin Intl
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