$79+ Cheap flights from Detroit (DTT) to Puerto Rico
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SJU
Sep 1 — Sep 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Detroit to Puerto Rico 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.Cheap flight deals from Detroit to Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to Puerto RicoExplore the most affordable flight options available from Detroit to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Detroit to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/1112:56 pm
DTW
- BQN
1 stop12h 53m
Frontier
Mon 9/1411:08 am
BQN
- DTW
1 stop24h 27m
Frontier
Deal found 7/31![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/286:07 pm
DTW
- BQN
1 stop8h 03m
Frontier
Sun 8/303:10 am
BQN
- DTW
1 stop29h 44m
Frontier
Deal found 7/28![Frontier logo]()
$330
This Frontier deal was found by Cheapflights users on 7/29. 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 8/255:21 pm
DTW
- BQN
1 stop8h 49m
Frontier
Fri 8/283:10 am
BQN
- DTW
1 stop13h 16m
Frontier
Deal found 7/29![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/167:02 pm
DTW
- BQN
2 stops14h 55m
Frontier
Sun 10/182:48 am
BQN
- DTW
1 stop9h 16m
Frontier
Deal found 8/1![Frontier logo]()
$333
This Super.com deal was found by Cheapflights users on 8/2. 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.
Sun 8/239:49 am
DTW
- BQN
1 stop16h 21m
Frontier
Mon 8/313:10 am
BQN
- DTW
1 stop13h 16m
Frontier
Deal found 8/2![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 8/1. 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 12/210:43 am
DTW
- SJU
1 stop6h 49m
Frontier
Wed 12/163:45 am
SJU
- DTW
1 stop13h 33m
Frontier
Deal found 8/1![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/178:54 pm
DTW
- BQN
1 stop13h 03m
Frontier
Sun 10/182:48 am
BQN
- DTW
1 stop9h 16m
Frontier
Deal found 8/1![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/286:07 pm
DTW
- SJU
1 stop8h 08m
Frontier
Mon 8/315:25 pm
SJU
- DTW
1 stop7h 39m
Frontier
Deal found 7/30![Frontier logo]()
$341
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sat 8/154:10 pm
DTW
- SJU
1 stop7h 10m
Multiple Airlines
Sat 8/228:57 pm
SJU
- DTW
1 stop11h 57m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/171:50 pm
DTW
- SJU
1 stop9h 34m
Frontier
Thu 8/276:35 am
SJU
- DTW
1 stop30h 20m
Frontier
Deal found 8/1![Frontier logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/168:13 pm
DTW
- SJU
1 stop11h 44m
Frontier
Sat 8/296:35 am
SJU
- DTW
1 stop10h 47m
Frontier
Deal found 7/31![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/204:37 pm
DTW
- SJU
1 stop23h 34m
Frontier
Mon 8/316:35 am
SJU
- DTW
2 stops26h 45m
Frontier
Deal found 8/1![Frontier logo]()
$345
Best flights from Detroit to Puerto RicoDiscover carefully curated flight deals from Detroit to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Detroit to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/286:07 pm
DTW
- BQN
1 stop8h 03m
Frontier
Sun 8/303:10 am
BQN
- DTW
1 stop29h 44m
Frontier
Deal found 7/28![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 7/30. 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.
Fri 9/252:40 pm
DTW
- SJU
2 stops9h 15m
Southwest
Wed 9/3010:30 am
SJU
- DTW
2 stops10h 50m
Southwest
Deal found 7/30![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 7/30. 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 10/197:25 am
DTW
- SJU
1 stop6h 24m
Delta
Thu 10/295:59 pm
SJU
- DTW
1 stop6h 59m
Delta
Deal found 7/30![Delta logo]()
$356
This Priceline deal was found by Cheapflights users on 7/28. 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 8/256:05 am
DTW
- BQN
2 stops18h 28m
Multiple Airlines
Fri 8/283:10 am
BQN
- DTW
1 stop13h 16m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/1012:30 pm
DTW
- SJU
2 stops11h 20m
United Airlines
Sat 10/171:00 am
SJU
- DTW
2 stops10h 24m
United Airlines
Deal found 7/28![United Airlines logo]()
$496
This JetBlue deal was found by Cheapflights users on 7/31. 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 12/104:05 pm
DTW
- BQN
1 stop8h 21m
JetBlue
Tue 12/156:00 am
BQN
- DTW
1 stop10h 09m
JetBlue
Deal found 7/31![JetBlue logo]()
$539
This Frontier deal was found by Cheapflights users on 7/31. 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 8/255:21 pm
DTW
- BQN
1 stop8h 49m
Frontier
Fri 8/283:10 am
BQN
- DTW
1 stop13h 16m
Frontier
Deal found 7/31![Frontier logo]()
$332
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:45 am
DTW
- SJU
2 stops9h 25m
Southwest
Tue 9/155:15 am
SJU
- DTW
2 stops9h 45m
Southwest
Deal found 7/29![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 8/1. 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 9/305:35 am
DTW
- SJU
2 stops10h 50m
Southwest
Wed 10/712:40 pm
SJU
- DTW
2 stops9h 50m
Southwest
Deal found 8/1![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/271:20 pm
DTW
- SJU
2 stops9h 45m
Southwest
Wed 9/25:15 am
SJU
- DTW
2 stops9h 45m
Southwest
Deal found 7/30![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 7/28. 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 12/78:36 am
DTW
- SJU
Nonstop4h 24m
Delta
Wed 12/163:10 pm
SJU
- DTW
Nonstop4h 49m
Delta
Deal found 7/28![Delta logo]()
$455
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:35 am
DTW
- SJU
2 stops10h 50m
Southwest
Tue 9/2910:30 am
SJU
- DTW
2 stops10h 50m
Southwest
Deal found 8/1![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 8/1. 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 12/88:36 am
DTW
- SJU
Nonstop4h 24m
Delta
Sat 12/196:40 pm
SJU
- DTW
1 stop7h 04m
Delta
Deal found 8/1![Delta logo]()
$482
This United Airlines deal was found by Cheapflights users on 7/28. 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 1/284:00 pm
DTW
- BQN
1 stop6h 57m
United Airlines
Mon 2/11:09 am
BQN
- DTW
1 stop8h 20m
United Airlines
Deal found 7/28![United Airlines logo]()
$557
This United deal was found by Cheapflights users on 8/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am
DTW
- MAZ
2 stops26h 42m
Multiple Airlines
Mon 10/197:35 am
MAZ
- DTW
2 stops16h 24m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$559
This United deal was found by Cheapflights users on 8/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
DTW
- MAZ
2 stops30h 44m
Multiple Airlines
Mon 10/194:36 pm
MAZ
- DTW
2 stops31h 23m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 11/1410:49 am
DTW
- BQN
2 stops12h 08m
United Airlines
Sat 11/211:09 am
BQN
- DTW
2 stops15h 18m
United Airlines
Deal found 7/31![United Airlines logo]()
$586
This Southwest deal was found by Cheapflights users on 7/28. 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 8/171:20 pm
DTW
- SJU
2 stops8h 50m
Southwest
Wed 9/25:15 am
SJU
- DTW
2 stops9h 45m
Southwest
Deal found 7/28![Southwest logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/2310:20 am
DTW
- BQN
2 stops12h 49m
United Airlines
Mon 8/3112:15 am
BQN
- DTW
2 stops15h 14m
United Airlines
Deal found 8/2![United Airlines logo]()
$631
This United deal was found by Cheapflights users on 8/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:15 am
DTW
- MAZ
2 stops30h 29m
Multiple Airlines
Mon 10/197:35 am
MAZ
- DTW
2 stops16h 24m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$658
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/145:15 am
DTW
- SJU
2 stops9h 35m
Southwest
Wed 1/206:15 am
SJU
- DTW
1 stop7h 10m
Southwest
Deal found 8/2![Southwest logo]()
$510
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/712:35 pm
DTW
- BQN
2 stops10h 22m
United Airlines
Tue 12/151:09 am
BQN
- DTW
1 stop8h 20m
United Airlines
Deal found 7/31![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 12/87:30 am
DTW
- BQN
2 stops15h 27m
United Airlines
Tue 12/151:09 am
BQN
- DTW
1 stop8h 20m
United Airlines
Deal found 7/31![United Airlines logo]()
$636
This United deal was found by Cheapflights users on 7/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:25 am
DTW
- CPX
2 stops28h 57m
Multiple Airlines
Sat 9/121:06 pm
CPX
- DTW
3 stops22h 21m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,134
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/246:00 am
DTW
- MAZ
2 stops10h 11m
United Airlines
Wed 8/261:19 pm
MAZ
- DTW
2 stops10h 37m
United Airlines
Deal found 8/1![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/246:10 pm
DTW
- VQS
2 stops24h 20m
United Airlines
Fri 8/289:55 am
VQS
- DTW
2 stops10h 42m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,210
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/106:00 am
DTW
- CPX
2 stops10h 21m
United Airlines
Tue 12/1510:48 am
CPX
- DTW
2 stops9h 50m
United Airlines
Deal found 7/31![United Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/116:00 am
DTW
- CPX
2 stops10h 21m
United Airlines
Tue 12/1510:48 am
CPX
- DTW
2 stops11h 20m
United Airlines
Deal found 7/31![United Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/136:00 am
DTW
- CPX
2 stops10h 21m
United Airlines
Fri 12/1810:48 am
CPX
- DTW
2 stops10h 57m
United Airlines
Deal found 7/31![United Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 12/86:00 am
DTW
- CPX
2 stops10h 21m
United Airlines
Sun 12/2010:48 am
CPX
- DTW
2 stops29h 36m
United Airlines
Deal found 7/31![United Airlines logo]()
$1,708
Last-minute flights from Detroit to Puerto RicoDiscover last-minute flight deals from Detroit to Puerto Rico. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Puerto Rico. Data last updated August 2, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sat 8/154:10 pm
DTW
- SJU
1 stop7h 10m
Multiple Airlines
Sat 8/228:57 pm
SJU
- DTW
1 stop11h 57m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/168:13 pm
DTW
- SJU
1 stop11h 44m
Frontier
Sat 8/296:35 am
SJU
- DTW
1 stop10h 47m
Frontier
Deal found 7/31![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/171:50 pm
DTW
- SJU
1 stop9h 34m
Frontier
Thu 8/276:35 am
SJU
- DTW
1 stop30h 20m
Frontier
Deal found 8/1![Frontier logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/1712:50 pm
DTW
- SJU
2 stops35h 53m
Frontier
Sat 8/296:35 am
SJU
- DTW
1 stop30h 20m
Frontier
Deal found 7/31![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/1710:14 am
DTW
- SJU
1 stop29h 57m
Frontier
Fri 8/216:44 am
SJU
- DTW
1 stop8h 58m
Frontier
Deal found 7/29![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/1810:18 am
DTW
- SJU
1 stop29h 53m
Frontier
Fri 8/288:57 pm
SJU
- DTW
1 stop11h 57m
Frontier
Deal found 7/31![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/204:37 pm
DTW
- SJU
1 stop23h 34m
Frontier
Mon 8/316:35 am
SJU
- DTW
2 stops26h 45m
Frontier
Deal found 8/1![Frontier logo]()
$345
This Super.com deal was found by Cheapflights users on 8/2. 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.
Sun 8/239:49 am
DTW
- BQN
1 stop16h 21m
Frontier
Mon 8/313:10 am
BQN
- DTW
1 stop13h 16m
Frontier
Deal found 8/2![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 7/29. 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 8/255:21 pm
DTW
- BQN
1 stop8h 49m
Frontier
Fri 8/283:10 am
BQN
- DTW
1 stop13h 16m
Frontier
Deal found 7/29![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/286:07 pm
DTW
- BQN
1 stop8h 03m
Frontier
Sun 8/303:10 am
BQN
- DTW
1 stop29h 44m
Frontier
Deal found 7/28![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/286:07 pm
DTW
- SJU
1 stop8h 08m
Frontier
Mon 8/315:25 pm
SJU
- DTW
1 stop7h 39m
Frontier
Deal found 7/30![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/286:07 pm
DTW
- SJU
1 stop8h 08m
Frontier
Thu 9/39:16 am
SJU
- DTW
1 stop7h 10m
Frontier
Deal found 7/30![Frontier logo]()
$348
One-way flights from Detroit to Puerto RicoSearch for one-way flight options from Detroit to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Detroit to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/2811:00 am
DTW
- SJU
1 stop12h 38m
Frontier
Deal found 7/29![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/284:23 pm
DTW
- SJU
1 stop22h 54m
Frontier
Deal found 7/29![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/294:23 pm
DTW
- SJU
1 stop22h 54m
Frontier
Deal found 7/31![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/264:23 pm
DTW
- SJU
1 stop21h 11m
Frontier
Deal found 7/29![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:23 pm
DTW
- SJU
1 stop21h 11m
Frontier
Deal found 7/29![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/274:23 pm
DTW
- SJU
1 stop21h 11m
Frontier
Deal found 7/29![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/2711:00 am
DTW
- SJU
1 stop12h 38m
Frontier
Deal found 7/30![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/224:23 pm
DTW
- SJU
1 stop22h 54m
Frontier
Deal found 7/29![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/154:23 pm
DTW
- SJU
1 stop22h 54m
Frontier
Deal found 7/29![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/314:37 pm
DTW
- SJU
1 stop23h 34m
Frontier
Deal found 8/2![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 12/183:20 pm
DTW
- BQN
1 stop10h 32m
Frontier
Deal found 7/28![Frontier logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 12/1810:15 pm
DTW
- BQN
2 stops27h 37m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$515
Find flight deals from Detroit to Puerto Rico
Keep the following information in mind while searching for Detroit to Puerto Rico flight deals. Data was last updated August 2, 2026.
Round-trip from | $316 (Kiwi.com) |
|---|---|
One-way from | $79 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $347 |
Good round-trip deal | $592 or less |
Good one-way deal | $478 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to Puerto Rico 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 August 2, 2026.
Use the filters below to find and compare flights from Detroit to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitAguadilla
DTW - BQN
DTWBQN
Detroit Metropolitan Wayne County
Fri 8/28
6:07 pm-2:10 am
1 stop8h 03m
Aguadilla Borinquen
Sun 8/30
3:10 am-8:54 am
1 stop29h 44m
$330
DetroitAguadilla
DTW - BQN
DTWBQN
Detroit Metropolitan Wayne County
Tue 8/25
5:21 pm-2:10 am
1 stop8h 49m
Aguadilla Borinquen
Fri 8/28
3:10 am-4:26 pm
1 stop13h 16m
$332
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Fri 9/25
2:40 pm-11:55 pm
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Wed 9/30
10:30 am-9:20 pm
2 stops10h 50m
$356
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Mon 10/19
7:25 am-1:49 pm
1 stop6h 24m
San Juan Luis Munoz Marin Intl
Thu 10/29
5:59 pm-12:58 am
1 stop6h 59m
$356
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Tue 9/1
8:45 am-6:10 pm
2 stops9h 25m
San Juan Luis Munoz Marin Intl
Tue 9/15
5:15 am-3:00 pm
2 stops9h 45m
$356
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Wed 9/30
5:35 am-4:25 pm
2 stops10h 50m
San Juan Luis Munoz Marin Intl
Wed 10/7
12:40 pm-10:30 pm
2 stops9h 50m
$356
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Thu 8/27
1:20 pm-11:05 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Wed 9/2
5:15 am-3:00 pm
2 stops9h 45m
$366
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Tue 9/22
5:35 am-4:25 pm
2 stops10h 50m
San Juan Luis Munoz Marin Intl
Tue 9/29
10:30 am-9:20 pm
2 stops10h 50m
$381
DetroitAguadilla
DTW - BQN
DTWBQN
Detroit Metropolitan Wayne County
Tue 8/25
6:05 am-12:33 am
2 stops18h 28m
Aguadilla Borinquen
Fri 8/28
3:10 am-4:26 pm
1 stop13h 16m
$445
Quickest round-trip
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Mon 12/7
8:36 am-2:00 pm
Nonstop4h 24m
San Juan Luis Munoz Marin Intl
Wed 12/16
3:10 pm-6:59 pm
Nonstop4h 49m
$455
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Detroit to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Detroit with our price prediction graph.
DTW-SJU
DTW-BQN
DTW-MAZ
DTW-CPX
DTW-VQS
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 Detroit to Puerto Rico
DTT-PR0
DTW-SJU
DTW-BQN
DTW-MAZ
DTW-CPX
What is the cheapest month to book a flight from Detroit to Puerto Rico?
Currently, September is the cheapest month in which you can book a flight from Detroit to Puerto Rico (average of $279). Flying from Detroit to Puerto Rico in December is currently the most expensive (average of $592). 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 DTT to PR?
Find hourly flight availability from Detroit to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Puerto Rico as you normally would.
How far ahead should I book a flight from Detroit to Puerto Rico?
Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated August 2, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Detroit to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Detroit to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Detroit to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to Puerto Rico by cabin class
Find flights from Detroit to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and Puerto Rico flights
Browse other Detroit and Puerto Rico flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Detroit to Puerto Rico flights
Consider these flights traveling from Detroit to Puerto Rico.
Top 6 airlines flying from Detroit to Puerto Rico
Discover the top 6 airlines that operate flights from Detroit to Puerto Rico. 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$621 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$412 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$623 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$394 | Average$516 | FlexibilityNo cancel fee | On-time63% |