$125+ Cheap flights from San Juan to Detroit (DTT)
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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from San Juan to DetroitExplore the most affordable flight options available from San Juan to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from San Juan to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This eDestinos deal was found by Cheapflights users on 3/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:15 am
SJU
- DTW
1 stop14h 06m
Frontier
Mon 5/42:20 pm
DTW
- SJU
1 stop11h 41m
Frontier
Deal found 3/22![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 3/21. 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 4/176:00 am
SJU
- DTW
1 stop18h 46m
Frontier
Sun 4/197:39 pm
DTW
- SJU
1 stop22h 20m
Frontier
Deal found 3/21![Frontier logo]()
$176
This eDestinos deal was found by Cheapflights users on 3/21. 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 5/83:35 pm
SJU
- DTW
1 stop23h 17m
Frontier
Mon 5/1112:44 pm
DTW
- SJU
1 stop13h 24m
Frontier
Deal found 3/21![Frontier logo]()
$178
This eDestinos deal was found by Cheapflights users on 3/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:16 am
SJU
- DTW
1 stop7h 30m
Frontier
Sat 4/112:53 pm
DTW
- SJU
1 stop9h 58m
Frontier
Deal found 3/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:08 am
SJU
- DTW
1 stop10h 17m
Frontier
Mon 5/42:20 pm
DTW
- SJU
1 stop11h 41m
Frontier
Deal found 3/20![Frontier logo]()
$186
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:16 am
SJU
- DTW
1 stop15h 40m
Frontier
Fri 4/171:54 pm
DTW
- SJU
1 stop25h 43m
Frontier
Deal found 3/20![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 3/21. 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 5/95:15 pm
SJU
- DTW
1 stop7h 24m
Frontier
Fri 5/1512:44 pm
DTW
- SJU
1 stop13h 24m
Frontier
Deal found 3/21![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 3/21. 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 5/75:15 pm
SJU
- DTW
1 stop7h 24m
Frontier
Wed 5/1312:44 pm
DTW
- SJU
1 stop13h 24m
Frontier
Deal found 3/21![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 pm
SJU
- DTW
1 stop7h 24m
Frontier
Sat 5/912:40 pm
DTW
- SJU
1 stop13h 28m
Frontier
Deal found 3/22![Frontier logo]()
$204
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:39 pm
SJU
- DTW
1 stop17h 45m
Frontier
Fri 4/2410:16 pm
DTW
- SJU
1 stop12h 07m
Frontier
Deal found 3/23![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:09 pm
SJU
- DTW
1 stop17h 51m
Frontier
Wed 5/2012:44 pm
DTW
- SJU
1 stop13h 24m
Frontier
Deal found 3/23![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 3/21. 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 5/73:03 am
SJU
- DTW
1 stop8h 57m
Frontier
Fri 5/1512:55 pm
DTW
- SJU
1 stop11h 46m
Frontier
Deal found 3/21![Frontier logo]()
$212
Best flights from San Juan to DetroitDiscover carefully curated flight deals from San Juan to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from San Juan to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/21. 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 5/286:50 am
SJU
- DTW
2 stops17h 25m
Southwest
Fri 5/293:35 pm
DTW
- SJU
2 stops8h 20m
Southwest
Deal found 3/21![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 3/22. 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.
Fri 5/292:35 pm
SJU
- DTW
Nonstop4h 40m
Delta
Mon 6/18:59 am
DTW
- SJU
Nonstop4h 21m
Delta
Deal found 3/22![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 3/18. 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 5/72:35 pm
SJU
- DTW
Nonstop4h 40m
Delta
Sun 5/105:10 am
DTW
- SJU
1 stop11h 23m
Delta
Deal found 3/18![Delta logo]()
$512
This Southwest deal was found by Cheapflights users on 3/18. 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 5/1311:25 am
SJU
- DTW
2 stops10h 10m
Southwest
Thu 5/211:00 pm
DTW
- SJU
2 stops10h 55m
Southwest
Deal found 3/18![Southwest logo]()
$520
This Delta deal was found by Cheapflights users on 3/19. 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.
Fri 5/297:05 am
SJU
- DTW
1 stop8h 01m
Delta
Fri 6/128:59 am
DTW
- SJU
Nonstop4h 26m
Delta
Deal found 3/19![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 3/18. 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 5/212:35 pm
SJU
- DTW
Nonstop4h 40m
Delta
Sun 5/318:59 am
DTW
- SJU
Nonstop4h 21m
Delta
Deal found 3/18![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 3/22. 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.
Fri 5/297:30 am
SJU
- DTW
1 stop9h 52m
Delta
Sun 5/318:59 am
DTW
- SJU
Nonstop4h 21m
Delta
Deal found 3/22![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 3/21. 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 4/162:03 pm
SJU
- DTW
Nonstop4h 43m
Delta
Sun 4/198:35 am
DTW
- SJU
Nonstop4h 17m
Delta
Deal found 3/21![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 3/22. 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.
Fri 5/12:03 pm
SJU
- DTW
Nonstop4h 43m
Delta
Mon 5/48:35 am
DTW
- SJU
Nonstop4h 17m
Delta
Deal found 3/22![Delta logo]()
$577
Last-minute flights from San Juan to DetroitDiscover last-minute flight deals from San Juan to Detroit. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Detroit. Data last updated March 23, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 3/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:16 am
SJU
- DTW
1 stop7h 30m
Frontier
Sat 4/112:53 pm
DTW
- SJU
1 stop9h 58m
Frontier
Deal found 3/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:10 pm
SJU
- DTW
1 stop13h 36m
Frontier
Sun 4/1210:24 am
DTW
- SJU
1 stop7h 15m
Frontier
Deal found 3/20![Frontier logo]()
$216
This Expedia deal was found by Cheapflights users on 3/21. 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.
Mon 4/69:10 pm
SJU
- DTW
1 stop13h 36m
Frontier
Fri 4/108:43 pm
DTW
- SJU
1 stop13h 36m
Frontier
Deal found 3/21![Frontier logo]()
$226
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:16 am
SJU
- DTW
1 stop15h 40m
Frontier
Fri 4/171:54 pm
DTW
- SJU
1 stop25h 43m
Frontier
Deal found 3/20![Frontier logo]()
$192
This Expedia deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SJU
- DTW
1 stop13h 56m
Frontier
Sun 4/129:02 pm
DTW
- SJU
1 stop14h 16m
Frontier
Deal found 3/21![Frontier logo]()
$194
This Expedia deal was found by Cheapflights users on 3/21. 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 4/176:00 am
SJU
- DTW
1 stop18h 46m
Frontier
Sun 4/197:39 pm
DTW
- SJU
1 stop22h 20m
Frontier
Deal found 3/21![Frontier logo]()
$176
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:39 pm
SJU
- DTW
1 stop17h 45m
Frontier
Fri 4/2410:16 pm
DTW
- SJU
1 stop12h 07m
Frontier
Deal found 3/23![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:08 am
SJU
- DTW
1 stop10h 17m
Frontier
Mon 5/42:20 pm
DTW
- SJU
1 stop11h 41m
Frontier
Deal found 3/20![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:08 am
SJU
- DTW
1 stop10h 17m
Frontier
Wed 5/612:44 pm
DTW
- SJU
1 stop13h 24m
Frontier
Deal found 3/22![Frontier logo]()
$196
One-way flights from San Juan to DetroitSearch for one-way flight options from San Juan to Detroit. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from San Juan to Detroit. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Priceline deal was found by Cheapflights users on 3/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:21 am
SJU
- DTW
1 stop29h 38m
Frontier
Deal found 3/23![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:10 pm
SJU
- DTW
1 stop13h 36m
Frontier
Deal found 3/23![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:19 pm
SJU
- DTW
2 stops17h 46m
Frontier
Deal found 3/20![Frontier logo]()
$129
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:15 am
SJU
- DTW
1 stop14h 07m
Frontier
Deal found 3/22![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/166:00 am
SJU
- DTW
2 stops12h 46m
Frontier
Deal found 3/21![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
SJU
- DTW
2 stops29h 45m
Frontier
Deal found 3/19![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
SJU
- DTW
2 stops28h 38m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:05 am
SJU
- DTW
2 stops24h 33m
Frontier
Deal found 3/22![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:15 am
SJU
- DTW
2 stops34h 52m
Frontier
Deal found 3/22![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 5/196:41 pm
SJU
- DTW
2 stops22h 32m
Frontier
Deal found 3/21![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:59 am
SJU
- DTW
2 stops31h 11m
Frontier
Deal found 3/19![Frontier logo]()
$152
Find flight deals from San Juan to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Detroit (DTT). 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 March 23, 2026.
Round-trip from | $168 (eDestinos) |
|---|---|
One-way from | $125 (Priceline) |
Popular in | May |
Cheapest in | November |
Average price | $419 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Detroit 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 March 23, 2026.
Use the filters below to find and compare flights from San Juan to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 5/28
6:50 am-12:15 am
2 stops17h 25m
Detroit Metropolitan Wayne County
Fri 5/29
3:35 pm-11:55 pm
2 stops8h 20m
$476
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 5/29
2:35 pm-7:15 pm
Nonstop4h 40m
Detroit Metropolitan Wayne County
Mon 6/1
8:59 am-1:20 pm
Nonstop4h 21m
$507
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 5/7
2:35 pm-7:15 pm
Nonstop4h 40m
Detroit Metropolitan Wayne County
Sun 5/10
5:10 am-4:33 pm
1 stop11h 23m
$512
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 5/13
11:25 am-9:35 pm
2 stops10h 10m
Detroit Metropolitan Wayne County
Thu 5/21
1:00 pm-11:55 pm
2 stops10h 55m
$520
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 5/29
7:05 am-3:06 pm
1 stop8h 01m
Detroit Metropolitan Wayne County
Fri 6/12
8:59 am-1:25 pm
Nonstop4h 26m
$537
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 5/21
2:35 pm-7:15 pm
Nonstop4h 40m
Detroit Metropolitan Wayne County
Sun 5/31
8:59 am-1:20 pm
Nonstop4h 21m
$562
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 5/29
7:30 am-5:22 pm
1 stop9h 52m
Detroit Metropolitan Wayne County
Sun 5/31
8:59 am-1:20 pm
Nonstop4h 21m
$567
Quickest round-trip
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 4/16
2:03 pm-6:46 pm
Nonstop4h 43m
Detroit Metropolitan Wayne County
Sun 4/19
8:35 am-12:52 pm
Nonstop4h 17m
$577
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 5/1
2:03 pm-6:46 pm
Nonstop4h 43m
Detroit Metropolitan Wayne County
Mon 5/4
8:35 am-12:52 pm
Nonstop4h 17m
$577
Cheapest one-way
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 5/18
7:30 am-8:02 am
2 stops24h 32m
$172
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from San Juan to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from San Juan with our price prediction graph.
PR1-DTT
SJU-DTW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Detroit
PR1-DTT
SJU-DTW
What is the cheapest month to book a flight from San Juan to Detroit?
Currently, June is the cheapest month in which you can book a flight from San Juan to Detroit (average of $102). Flying from San Juan to Detroit in May is currently the most expensive (average of $227). 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 DTT?
Find hourly flight availability from San Juan to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.
One of the essential ways to save on airfare from San Juan to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 42% on airfare.
Weekly flight availability from San Juan to Detroit
Explore weekly flight availability from San Juan to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 23, 2026.
The most flights from PR1 to DTT are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from San Juan to Detroit?
How often are flights from San Juan to Detroit delayed?
About 12% of weekly flights between San Juan and Detroit have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for San Juan to Detroit flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon 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 Sunday 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 Detroit flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 12% of flights being delayed.
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated March 23, 2026.
Read through reviews of airlines operating flights from San Juan to Detroit, such as Delta and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
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 San Juan to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
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Top 2 airlines flying from San Juan to Detroit
Discover the top 2 airlines that operate flights from San Juan to Detroit. 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$227 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$190 | Average$444 | FlexibilityNo cancel fee | On-timeN/A |