$146+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 8/66:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Sat 8/1510:08 am
DTW
- SJU
1 stop30h 03m
Frontier
Deal found 6/15![Frontier logo]()
$291
This eDestinos deal was found by Cheapflights users on 6/13. 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 7/76:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Wed 7/151:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/13![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 8/247:00 am
SJU
- DTW
2 stops30h 07m
Frontier
Mon 8/3111:00 am
DTW
- SJU
1 stop28h 58m
Frontier
Deal found 6/13![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 8/66:26 am
SJU
- DTW
2 stops18h 14m
Frontier
Mon 8/1010:08 am
DTW
- SJU
1 stop30h 03m
Frontier
Deal found 6/14![Frontier logo]()
$331
This eDestinos deal was found by Cheapflights users on 6/13. 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 7/103:00 pm
SJU
- DTW
1 stop17h 17m
Frontier
Thu 7/161:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/13![Frontier logo]()
$334
This eDestinos deal was found by Cheapflights users on 6/16. 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 7/66:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Tue 7/141:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/16![Frontier logo]()
$335
This Frontier deal was found by Cheapflights users on 6/15. 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 9/25:15 pm
SJU
- DTW
1 stop7h 27m
Frontier
Wed 9/911:58 am
DTW
- SJU
1 stop11h 59m
Frontier
Deal found 6/15![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 8/256:00 am
SJU
- DTW
1 stop7h 07m
Frontier
Mon 8/3111:00 am
DTW
- SJU
1 stop28h 58m
Frontier
Deal found 6/13![Frontier logo]()
$337
This Frontier deal was found by Cheapflights users on 6/11. 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 8/255:15 pm
SJU
- DTW
1 stop7h 27m
Frontier
Sat 8/2912:35 pm
DTW
- SJU
1 stop10h 54m
Frontier
Deal found 6/11![Frontier logo]()
$350
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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/168:37 pm
SJU
- DTW
1 stop15h 18m
Frontier
Thu 7/232:56 pm
DTW
- SJU
2 stops47h 04m
Frontier
Deal found 6/16![Frontier logo]()
$366
This Southwest deal was found by Cheapflights users on 6/13. 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 8/2610:30 am
SJU
- DTW
2 stops10h 45m
Southwest
Wed 9/26:00 am
DTW
- SJU
2 stops12h 10m
Southwest
Deal found 6/13![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 7/225:50 pm
SJU
- DTW
1 stop7h 09m
Delta
Mon 7/278:35 am
DTW
- SJU
Nonstop4h 36m
Delta
Deal found 6/12![Delta logo]()
$632
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/251:25 pm
SJU
- DTW
1 stop7h 12m
United Airlines
Sat 8/299:15 am
DTW
- SJU
2 stops11h 23m
United Airlines
Deal found 6/13![United Airlines logo]()
$671
This Southwest deal was found by Cheapflights users on 6/14. 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 7/205:00 am
SJU
- DTW
2 stops10h 20m
Southwest
Tue 8/46:00 am
DTW
- SJU
2 stops12h 10m
Southwest
Deal found 6/14![Southwest logo]()
$580
This Delta deal was found by Cheapflights users on 6/15. 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 7/235:50 pm
SJU
- DTW
1 stop7h 09m
Delta
Mon 7/278:35 am
DTW
- SJU
Nonstop4h 36m
Delta
Deal found 6/15![Delta logo]()
$632
This Delta deal was found by Cheapflights users on 6/15. 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 7/75:50 pm
SJU
- DTW
1 stop7h 09m
Delta
Wed 7/158:35 am
DTW
- SJU
Nonstop4h 36m
Delta
Deal found 6/15![Delta logo]()
$632
This Southwest deal was found by Cheapflights users on 6/16. 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 7/167:00 am
SJU
- DTW
2 stops8h 20m
Southwest
Thu 7/231:25 pm
DTW
- SJU
2 stops10h 15m
Southwest
Deal found 6/16![Southwest logo]()
$650
This Delta deal was found by Cheapflights users on 6/15. 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 7/62:14 pm
SJU
- DTW
Nonstop4h 39m
Delta
Tue 7/146:17 am
DTW
- SJU
1 stop7h 15m
Delta
Deal found 6/15![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 6/13. 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.
Wed 7/812:50 pm
SJU
- DTW
1 stop10h 54m
Delta
Fri 7/178:35 am
DTW
- SJU
Nonstop4h 36m
Delta
Deal found 6/13![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 6/16. 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 7/165:50 pm
SJU
- DTW
1 stop7h 09m
Delta
Thu 7/238:35 am
DTW
- SJU
Nonstop4h 36m
Delta
Deal found 6/16![Delta logo]()
$657
Last-minute flights from San Juan to DetroitDiscover last-minute flight deals from San Juan to Detroit. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Detroit. Data last updated June 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/12. 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 7/45:15 pm
SJU
- DTW
1 stop7h 29m
Frontier
Sat 7/111:50 pm
DTW
- SJU
1 stop10h 08m
Frontier
Deal found 6/12![Frontier logo]()
$364
This eDestinos deal was found by Cheapflights users on 6/16. 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 7/66:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Tue 7/141:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/16![Frontier logo]()
$335
This eDestinos deal was found by Cheapflights users on 6/13. 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 7/76:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Wed 7/151:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/13![Frontier logo]()
$300
This Priceline deal was found by Cheapflights users on 6/12. 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.
Wed 7/86:26 pm
SJU
- DTW
1 stop17h 29m
Frontier
Wed 7/151:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/12![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 6/13. 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 7/86:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Fri 7/171:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/13![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/96:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Mon 7/136:10 am
DTW
- SJU
2 stops31h 45m
Frontier
Deal found 6/16![Frontier logo]()
$362
This eDestinos deal was found by Cheapflights users on 6/13. 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 7/103:00 pm
SJU
- DTW
1 stop17h 17m
Frontier
Thu 7/161:50 pm
DTW
- SJU
1 stop13h 09m
Frontier
Deal found 6/13![Frontier logo]()
$334
This Frontier deal was found by Cheapflights users on 6/15. 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 7/296:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Sat 8/17:30 pm
DTW
- SJU
1 stop9h 32m
Frontier
Deal found 6/15![Frontier logo]()
$350
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 June 16, 2026.
Search for one-way flight options from San Juan to Detroit. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/56:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Deal found 6/11![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/116:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Deal found 6/16![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/126:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Deal found 6/16![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/96:00 am
SJU
- DTW
1 stop30h 55m
Frontier
Deal found 6/13![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 8/106:26 am
SJU
- DTW
2 stops31h 07m
Frontier
Deal found 6/15![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/286:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Deal found 6/16![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 6/12. 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 7/86:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Deal found 6/12![Frontier logo]()
$168
This Booking.com deal was found by Cheapflights users on 6/14. 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.
Wed 7/296:00 am
SJU
- DTW
1 stop6h 55m
Frontier
Deal found 6/14![Frontier logo]()
$169
This Super.com deal was found by Cheapflights users on 6/15. 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.
Tue 7/77:34 am
SJU
- DTW
1 stop27h 58m
Frontier
Deal found 6/15![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/135:12 pm
SJU
- DTW
1 stop19h 55m
Frontier
Deal found 6/15![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/96:26 am
SJU
- DTW
2 stops34h 14m
Frontier
Deal found 6/12![Frontier logo]()
$177
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 June 16, 2026.
Round-trip from | $291 (Kiwi.com) |
|---|---|
One-way from | $146 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $539 |
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 June 16, 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 7/16
8:37 pm-11:55 am
1 stop15h 18m
Detroit Metropolitan Wayne County
Thu 7/23
2:56 pm-2:00 pm
2 stops47h 04m
$366
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 8/26
10:30 am-9:15 pm
2 stops10h 45m
Detroit Metropolitan Wayne County
Wed 9/2
6:00 am-6:10 pm
2 stops12h 10m
$404
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 7/20
5:00 am-3:20 pm
2 stops10h 20m
Detroit Metropolitan Wayne County
Tue 8/4
6:00 am-6:10 pm
2 stops12h 10m
$580
Quickest round-trip
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 7/22
5:50 pm-12:59 am
1 stop7h 09m
Detroit Metropolitan Wayne County
Mon 7/27
8:35 am-1:11 pm
Nonstop4h 36m
$632
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 7/23
5:50 pm-12:59 am
1 stop7h 09m
Detroit Metropolitan Wayne County
Mon 7/27
8:35 am-1:11 pm
Nonstop4h 36m
$632
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Tue 7/7
5:50 pm-12:59 am
1 stop7h 09m
Detroit Metropolitan Wayne County
Wed 7/15
8:35 am-1:11 pm
Nonstop4h 36m
$632
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 7/16
7:00 am-3:20 pm
2 stops8h 20m
Detroit Metropolitan Wayne County
Thu 7/23
1:25 pm-11:40 pm
2 stops10h 15m
$650
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 7/6
2:14 pm-6:53 pm
Nonstop4h 39m
Detroit Metropolitan Wayne County
Tue 7/14
6:17 am-1:32 pm
1 stop7h 15m
$657
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 7/8
12:50 pm-11:44 pm
1 stop10h 54m
Detroit Metropolitan Wayne County
Fri 7/17
8:35 am-1:11 pm
Nonstop4h 36m
$657
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 7/16
5:50 pm-12:59 am
1 stop7h 09m
Detroit Metropolitan Wayne County
Thu 7/23
8:35 am-1:11 pm
Nonstop4h 36m
$657
Showing 1-10 of 22 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, October is the cheapest month in which you can book a flight from San Juan to Detroit (average of $72). Flying from San Juan to Detroit in March is currently the most expensive (average of $256). 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 June 16, 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 53% 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 June 16, 2026.
The most flights from PR1 to DTT are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 129 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?
Thursday 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 11% of flights being delayed.
How far ahead should I book a flight from San Juan to Detroit?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 16, 2026.
Read through reviews of airlines operating flights from San Juan to Detroit, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Related info for your journey
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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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$194 | Average$474 | FlexibilityNo cancel fee | On-timeN/A |