$75+ Cheap flights from Detroit (DTT) to San Juan
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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SJU
מרץ 13 — מרץ 201
1 adult, Economy
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Find cheap flights from Detroit to San Juan 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 Detroit All airports to San Juan are usually found in August or October, booked 12 days in advance, depart on a Monday or Thursday and return on a Thursday
Cheap flight deals from Detroit to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to San JuanExplore the most affordable flight options available from Detroit to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on פברואר 11, 2026.
Explore the most affordable flight options available from Detroit to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on פברואר 11, 2026.
This CheapOair deal was found by Cheapflights users on 2/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 2/289:11 pm
DTW
- SJU
1 stop28h 42m
Multiple Airlines
ו' 3/65:45 pm
SJU
- DTW
1 stop15h 04m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$208
This CheapOair deal was found by Cheapflights users on 2/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 2/95:15 am
DTW
- SJU
1 stop17h 18m
Spirit Airlines
ו' 2/134:31 pm
SJU
- DTW
1 stop8h 28m
Spirit Airlines
Deal found 2/7![Spirit Airlines logo]()
$210
This Mytrip deal was found by Cheapflights users on 2/9. 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.
א' 2/227:43 pm
DTW
- SJU
1 stop13h 34m
Spirit Airlines
ד' 2/253:18 pm
SJU
- DTW
2 stops18h 57m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/10. 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.
ה' 2/2610:10 am
DTW
- SJU
1 stop6h 22m
Spirit Airlines
ד' 3/411:52 am
SJU
- DTW
1 stop10h 47m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$212
This Frontier deal was found by Cheapflights users on 2/10. 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.
ב' 3/22:08 pm
DTW
- SJU
1 stop10h 16m
Frontier
ד' 3/411:07 am
SJU
- DTW
1 stop9h 46m
Frontier
Deal found 2/10![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ג' 2/245:09 am
DTW
- SJU
1 stop7h 55m
Spirit Airlines
ג' 3/311:52 am
SJU
- DTW
1 stop10h 47m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$214
This Frontier deal was found by Cheapflights users on 2/10. 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.
ב' 2/236:08 pm
DTW
- SJU
1 stop7h 45m
Frontier
ה' 2/263:53 am
SJU
- DTW
1 stop13h 40m
Frontier
Deal found 2/10![Frontier logo]()
$215
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
ש' 3/145:31 pm
DTW
- SJU
1 stop15h 22m
Spirit Airlines
ג' 3/1712:05 pm
SJU
- DTW
1 stop10h 32m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$216
This Expedia deal was found by Cheapflights users on 2/9. 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.
ה' 2/197:43 pm
DTW
- SJU
1 stop13h 34m
Multiple Airlines
א' 2/223:53 am
SJU
- DTW
1 stop30h 04m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ד' 2/255:09 am
DTW
- SJU
1 stop7h 55m
Spirit Airlines
ה' 3/56:00 am
SJU
- DTW
1 stop8h 20m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ד' 3/46:05 am
DTW
- SJU
1 stop7h 20m
Spirit Airlines
ה' 3/55:45 pm
SJU
- DTW
1 stop15h 04m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$219
This Priceline deal was found by Cheapflights users on 2/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 3/189:04 pm
DTW
- SJU
1 stop28h 54m
Multiple Airlines
ג' 3/247:54 pm
SJU
- DTW
1 stop13h 29m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$220
Best flights from Detroit to San JuanDiscover carefully curated flight deals from Detroit to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated פברואר 11, 2026.
Discover carefully curated flight deals from Detroit to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated פברואר 11, 2026.
This Delta deal was found by Cheapflights users on 2/8. 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.
ג' 3/108:36 am
DTW
- SJU
Nonstop4h 18m
Delta
ג' 3/176:15 am
SJU
- DTW
1 stop6h 48m
Delta
Deal found 2/8![Delta logo]()
$402
This Southwest deal was found by Cheapflights users on 2/9. 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.
ו' 5/13:35 pm
DTW
- SJU
2 stops8h 20m
Southwest
ב' 5/45:35 am
SJU
- DTW
2 stops9h 20m
Southwest
Deal found 2/9![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 3/210:28 am
DTW
- SJU
2 stops13h 08m
United Airlines
ד' 3/42:05 am
SJU
- DTW
2 stops12h 06m
United Airlines
Deal found 2/8![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 2/8. 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.
ד' 3/118:36 am
DTW
- SJU
Nonstop4h 18m
Delta
ג' 3/172:44 pm
SJU
- DTW
1 stop9h 59m
Delta
Deal found 2/8![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 2/10. 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.
ג' 3/38:35 am
DTW
- SJU
Nonstop4h 25m
Delta
ג' 3/106:15 am
SJU
- DTW
1 stop8h 38m
Delta
Deal found 2/10![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 2/9. 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.
ד' 5/68:35 am
DTW
- SJU
Nonstop4h 17m
Delta
ד' 5/132:30 pm
SJU
- DTW
Nonstop4h 41m
Delta
Deal found 2/9![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 2/9. 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.
ג' 3/38:35 am
DTW
- SJU
Nonstop4h 25m
Delta
ג' 3/172:07 pm
SJU
- DTW
Nonstop4h 48m
Delta
Deal found 2/9![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 2/9. 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.
ג' 3/172:36 pm
DTW
- SJU
1 stop8h 39m
Delta
ג' 3/242:07 pm
SJU
- DTW
Nonstop4h 48m
Delta
Deal found 2/9![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 2/10. 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.
ו' 4/248:35 am
DTW
- SJU
Nonstop4h 17m
Delta
ד' 4/292:03 pm
SJU
- DTW
Nonstop4h 43m
Delta
Deal found 2/10![Delta logo]()
$492
Last-minute flights from Detroit to San JuanDiscover last-minute flight deals from Detroit to San Juan. Data last updated פברואר 11, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to San Juan. Data last updated פברואר 11, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/9. 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.
ה' 2/197:43 pm
DTW
- SJU
1 stop13h 34m
Multiple Airlines
א' 2/223:53 am
SJU
- DTW
1 stop30h 04m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ש' 2/211:30 pm
DTW
- SJU
1 stop8h 39m
Spirit Airlines
ד' 3/411:52 am
SJU
- DTW
1 stop10h 47m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$221
This Mytrip deal was found by Cheapflights users on 2/9. 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.
א' 2/227:43 pm
DTW
- SJU
1 stop13h 34m
Spirit Airlines
ד' 2/253:18 pm
SJU
- DTW
2 stops18h 57m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$211
This Frontier deal was found by Cheapflights users on 2/10. 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.
ב' 2/236:08 pm
DTW
- SJU
1 stop7h 45m
Frontier
ה' 2/263:53 am
SJU
- DTW
1 stop13h 40m
Frontier
Deal found 2/10![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ג' 2/245:09 am
DTW
- SJU
1 stop7h 55m
Spirit Airlines
ג' 3/311:52 am
SJU
- DTW
1 stop10h 47m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
ד' 2/255:45 am
DTW
- SJU
1 stop8h 46m
Spirit Airlines
ו' 3/65:45 pm
SJU
- DTW
1 stop15h 04m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$218
This CheapOair deal was found by Cheapflights users on 2/10. 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.
ה' 2/2610:10 am
DTW
- SJU
1 stop6h 22m
Spirit Airlines
ד' 3/411:52 am
SJU
- DTW
1 stop10h 47m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$212
This CheapOair deal was found by Cheapflights users on 2/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 2/289:11 pm
DTW
- SJU
1 stop28h 42m
Multiple Airlines
ו' 3/65:45 pm
SJU
- DTW
1 stop15h 04m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$208
This Frontier deal was found by Cheapflights users on 2/10. 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.
ב' 3/22:08 pm
DTW
- SJU
1 stop10h 16m
Frontier
ד' 3/411:07 am
SJU
- DTW
1 stop9h 46m
Frontier
Deal found 2/10![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ד' 3/46:05 am
DTW
- SJU
1 stop7h 20m
Spirit Airlines
ה' 3/55:45 pm
SJU
- DTW
1 stop15h 04m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
ש' 3/145:31 pm
DTW
- SJU
1 stop15h 22m
Spirit Airlines
ג' 3/1712:05 pm
SJU
- DTW
1 stop10h 32m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$216
This Priceline deal was found by Cheapflights users on 2/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 3/189:04 pm
DTW
- SJU
1 stop28h 54m
Multiple Airlines
ג' 3/247:54 pm
SJU
- DTW
1 stop13h 29m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$220
One-way flights from Detroit to San JuanSearch for one-way flight options from Detroit to San Juan. Find affordable one-way fares based on user searches. Data last updated פברואר 11, 2026.
Search for one-way flight options from Detroit to San Juan. Find affordable one-way fares based on user searches. Data last updated פברואר 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
ג' 3/38:52 pm
DTW
- SJU
1 stop16h 33m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$75
This eDestinos deal was found by Cheapflights users on 2/8. 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.
א' 2/228:52 pm
DTW
- SJU
1 stop16h 33m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$86
This Expedia deal was found by Cheapflights users on 2/10. 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.
ג' 3/38:48 pm
DTW
- SJU
1 stop12h 06m
Frontier
Deal found 2/10![Frontier logo]()
$87
This eDestinos deal was found by Cheapflights users on 2/8. 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.
ש' 2/289:11 pm
DTW
- SJU
1 stop28h 42m
Frontier
Deal found 2/8![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 2/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 2/178:00 am
DTW
- SJU
1 stop14h 09m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
ב' 2/235:45 am
DTW
- SJU
1 stop8h 46m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$94
This Trip.com deal was found by Cheapflights users on 2/10. 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.
ו' 2/202:18 pm
DTW
- SJU
1 stop10h 06m
Frontier
Deal found 2/10![Frontier logo]()
$95
This Expedia deal was found by Cheapflights users on 2/9. 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.
ג' 3/109:04 pm
DTW
- SJU
1 stop11h 50m
Frontier
Deal found 2/9![Frontier logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 3/78:52 pm
DTW
- SJU
1 stop15h 33m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$97
This Super.com deal was found by Cheapflights users on 2/9. 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.
ב' 3/98:52 pm
DTW
- SJU
1 stop16h 33m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$101
Find flight deals from Detroit to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to San Juan (PR1). 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 פברואר 11, 2026.
Round-trip from | $208 (CheapOair) |
|---|---|
One-way from | $75 (Cheapflightsfares) |
Popular in | December |
Cheapest in | August |
Average price | $394 |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to San Juan 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 פברואר 11, 2026.
Use the filters below to find and compare flights from Detroit to San Juan that are best for you.
Fly from
Detroit
Fly to
San Juan
Route
Depart
Return
Price
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ג' 3/10
8:36 am-12:54 pm
Nonstop4h 18m
San Juan Luis Munoz Marin Intl
ג' 3/17
6:15 am-1:03 pm
1 stop6h 48m
$402
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ו' 5/1
3:35 pm-11:55 pm
2 stops8h 20m
San Juan Luis Munoz Marin Intl
ב' 5/4
5:35 am-2:55 pm
2 stops9h 20m
$402
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ד' 3/11
8:36 am-12:54 pm
Nonstop4h 18m
San Juan Luis Munoz Marin Intl
ג' 3/17
2:44 pm-12:43 am
1 stop9h 59m
$402
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ג' 3/3
8:35 am-2:00 pm
Nonstop4h 25m
San Juan Luis Munoz Marin Intl
ג' 3/10
6:15 am-2:53 pm
1 stop8h 38m
$412
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ד' 5/6
8:35 am-12:52 pm
Nonstop4h 17m
San Juan Luis Munoz Marin Intl
ד' 5/13
2:30 pm-7:11 pm
Nonstop4h 41m
$447
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ג' 3/3
8:35 am-2:00 pm
Nonstop4h 25m
San Juan Luis Munoz Marin Intl
ג' 3/17
2:07 pm-6:55 pm
Nonstop4h 48m
$482
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ג' 3/17
2:36 pm-11:15 pm
1 stop8h 39m
San Juan Luis Munoz Marin Intl
ג' 3/24
2:07 pm-6:55 pm
Nonstop4h 48m
$487
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ו' 4/24
8:35 am-12:52 pm
Nonstop4h 17m
San Juan Luis Munoz Marin Intl
ד' 4/29
2:03 pm-6:46 pm
Nonstop4h 43m
$492
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ב' 3/2
10:28 am-12:36 am
2 stops13h 08m
San Juan Luis Munoz Marin Intl
ד' 3/4
2:05 am-1:11 pm
2 stops12h 06m
$496
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
ג' 3/3
8:48 pm-9:54 am
1 stop12h 06m
$87
Showing 1-10 of 19 results
Best time to book a flight from Detroit to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Detroit with our price prediction graph.
DTT-PR1
DTW-SJU
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 San Juan
DTT-PR1
DTW-SJU
How far ahead should I book a flight from Detroit to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Juan. Price data was last updated on February 6, 2026.
Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to San Juan. 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 Detroit to San Juan?
Currently, September is the cheapest month in which you can book a flight from Detroit to San Juan (average of $131). Flying from Detroit to San Juan in April is currently the most expensive (average of $202). 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 SJU?
Find hourly flight availability from Detroit to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated פברואר 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to San Juan as you normally would.
How much does it cost to fly round-trip from Detroit to San Juan?
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated פברואר 11, 2026.
Read through reviews of airlines operating flights from Detroit to San Juan, such as Delta, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Detroit to San Juan. 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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Alternative routes for Detroit to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to San Juan by cabin class
Find flights from Detroit to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and San Juan flights
Browse other Detroit and San Juan flight options. Last updated on פברואר 11, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on פברואר 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Detroit to San Juan
Discover the top 7 airlines that operate flights from Detroit to San Juan. 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 פברואר 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$281 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$206 | Average$549 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$361 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$567 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$395 | Average$524 | FlexibilityNo cancel fee | On-time63% |