$101+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Sep 17 — Sep 241
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 August 18, 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 August 18, 2026.
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop9h 37m
Sat 9/194:35 pm -
1 stop9h 17m
Deal found 8/18![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am -
1 stop14h 42m
Thu 9/175:39 pm -
1 stop8h 13m
Deal found 8/18![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/1910:30 am -
1 stop12h 57m
Sat 9/264:23 pm -
1 stop21h 11m
Deal found 8/13![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am -
1 stop14h 42m
Fri 9/188:57 pm -
1 stop12h 38m
Deal found 8/18![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/298:45 am -
1 stop14h 42m
Tue 10/134:29 pm -
1 stop22h 49m
Deal found 8/13![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 8/13. 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 9/2310:42 am -
1 stop7h 14m
Wed 9/306:46 pm -
1 stop7h 06m
Deal found 8/13![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1910:30 am -
1 stop12h 57m
Wed 10/144:29 pm -
1 stop21h 02m
Deal found 8/17![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Tue 9/228:45 am -
1 stop14h 42m
Wed 10/216:30 am -
1 stop9h 36m
Deal found 8/15![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Wed 9/3010:42 am -
1 stop7h 14m
Wed 10/216:30 am -
1 stop9h 36m
Deal found 8/15![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/256:42 pm -
1 stop16h 53m
Sat 10/244:35 pm -
1 stop6h 30m
Deal found 8/15![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/157:00 am -
1 stop16h 29m
Sun 10/184:29 pm -
1 stop21h 02m
Deal found 8/16![Frontier logo]()
$241
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:14 pm -
1 stop26h 34m
Fri 9/118:57 pm -
1 stop23h 51m
Deal found 8/13![Frontier logo]()
$243
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 August 18, 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 August 18, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/192:30 pm -
Nonstop4h 37m
Sat 9/268:42 am -
Nonstop4h 34m
Deal found 8/13![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:30 am -
2 stops10h 50m
Wed 10/216:10 am -
2 stops14h 20m
Deal found 8/15![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:00 am -
2 stops14h 29m
Sat 9/196:00 am -
1 stop7h 45m
Deal found 8/17![United Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:59 pm -
1 stop9h 59m
Sat 10/248:27 am -
Nonstop4h 22m
Deal found 8/14![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:35 am -
2 stops11h 05m
Sat 10/249:15 am -
2 stops10h 50m
Deal found 8/15![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 9/52:31 pm -
Nonstop4h 43m
Fri 9/117:20 am -
1 stop9h 29m
Deal found 8/17![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:35 am -
2 stops11h 05m
Mon 9/285:55 am -
2 stops11h 00m
Deal found 8/15![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 9/24:55 pm -
1 stop7h 04m
Wed 9/99:15 am -
2 stops14h 35m
Deal found 8/17![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 8/13. 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.
Mon 10/195:00 am -
2 stops9h 10m
Sat 10/249:15 am -
2 stops10h 50m
Deal found 8/13![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 8/18. 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 2/113:15 pm -
Nonstop4h 55m
Sun 2/211:45 pm -
1 stop6h 15m
Deal found 8/18![Delta logo]()
$460
Last-minute flights from San Juan to DetroitDiscover last-minute flight deals from San Juan to Detroit. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Detroit. Data last updated August 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:14 pm -
1 stop26h 34m
Fri 9/118:57 pm -
1 stop23h 51m
Deal found 8/13![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am -
1 stop14h 42m
Thu 9/175:39 pm -
1 stop8h 13m
Deal found 8/18![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am -
1 stop14h 42m
Fri 9/188:57 pm -
1 stop12h 38m
Deal found 8/18![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop9h 37m
Sat 9/194:35 pm -
1 stop9h 17m
Deal found 8/18![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/1910:30 am -
1 stop12h 57m
Sat 9/264:23 pm -
1 stop21h 11m
Deal found 8/13![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1910:30 am -
1 stop12h 57m
Wed 10/144:29 pm -
1 stop21h 02m
Deal found 8/17![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Tue 9/228:45 am -
1 stop14h 42m
Wed 10/216:30 am -
1 stop9h 36m
Deal found 8/15![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 8/13. 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 9/2310:42 am -
1 stop7h 14m
Wed 9/306:46 pm -
1 stop7h 06m
Deal found 8/13![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/256:42 pm -
1 stop16h 53m
Sat 10/244:35 pm -
1 stop6h 30m
Deal found 8/15![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/298:45 am -
1 stop14h 42m
Tue 10/134:29 pm -
1 stop22h 49m
Deal found 8/13![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Wed 9/3010:42 am -
1 stop7h 14m
Wed 10/216:30 am -
1 stop9h 36m
Deal found 8/15![Frontier logo]()
$230
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 August 18, 2026.
Search for one-way flight options from San Juan to Detroit. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Wed 10/148:45 am -
1 stop14h 44m
Deal found 8/15![Frontier logo]()
$101
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:42 pm -
1 stop16h 53m
Deal found 8/18![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 11/176:12 pm -
1 stop19h 55m
Deal found 8/16![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/158:45 am -
1 stop14h 42m
Deal found 8/13![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:45 am -
1 stop14h 42m
Deal found 8/16![Frontier logo]()
$111
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:57 am -
1 stop13h 40m
Deal found 8/13![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/98:45 am -
1 stop14h 42m
Deal found 8/16![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/117:00 am -
1 stop16h 27m
Deal found 8/15![Frontier logo]()
$119
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 August 18, 2026.
Round-trip from | $206 (Frontier) |
|---|---|
One-way from | $101 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $376 |
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 August 18, 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
Quickest round-trip
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Sat 9/19
2:30 pm-7:07 pm
Nonstop4h 37m
Detroit Metropolitan Wayne County
Sat 9/26
8:42 am-1:16 pm
Nonstop4h 34m
$367
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 10/19
2:59 pm-12:58 am
1 stop9h 59m
Detroit Metropolitan Wayne County
Sat 10/24
8:27 am-12:49 pm
Nonstop4h 22m
$372
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Sat 9/5
2:31 pm-7:14 pm
Nonstop4h 43m
Detroit Metropolitan Wayne County
Fri 9/11
7:20 am-4:49 pm
1 stop9h 29m
$372
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 9/23
10:30 am-9:20 pm
2 stops10h 50m
Detroit Metropolitan Wayne County
Wed 10/21
6:10 am-8:30 pm
2 stops14h 20m
$376
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 9/25
11:35 am-10:40 pm
2 stops11h 05m
Detroit Metropolitan Wayne County
Sat 10/24
9:15 am-8:05 pm
2 stops10h 50m
$391
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 9/25
11:35 am-10:40 pm
2 stops11h 05m
Detroit Metropolitan Wayne County
Mon 9/28
5:55 am-4:55 pm
2 stops11h 00m
$406
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 10/19
5:00 am-2:10 pm
2 stops9h 10m
Detroit Metropolitan Wayne County
Sat 10/24
9:15 am-8:05 pm
2 stops10h 50m
$420
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 2/11
3:15 pm-7:10 pm
Nonstop4h 55m
Detroit Metropolitan Wayne County
Sun 2/21
1:45 pm-9:00 pm
1 stop6h 15m
$460
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 9/14
1:00 am-3:29 pm
2 stops14h 29m
Detroit Metropolitan Wayne County
Sat 9/19
6:00 am-1:45 pm
1 stop7h 45m
$466
San JuanDetroit
SJU San Juan Luis Munoz Marin Intl - DTW Detroit Metropolitan Wayne County
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 9/2
4:55 pm-11:59 pm
1 stop7h 04m
Detroit Metropolitan Wayne County
Wed 9/9
9:15 am-11:50 pm
2 stops14h 35m
$466
Showing 1-10 of 20 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, January is the cheapest month in which you can book a flight from San Juan to Detroit (average of $202). Flying from San Juan to Detroit in June is currently the most expensive (average of $533). 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 August 18, 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 58% on airfare.
How much does it cost to fly round-trip from San Juan to Detroit?
Airfare is below average for this route at the moment.
San Juan to Detroit flights typically cost between $350 and $407 in September.The cheapest round-trip price found within the last 5 days was $206 on Frontier (Sep 10-Sep 16).
How often are flights from San Juan to Detroit delayed?
About 13% of weekly flights between San Juan and Detroit have experienced delays in the past year, with the average delay time being 128 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 morning 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 12% of flights being delayed.
How far ahead should I book a flight from San Juan to Detroit?
Booking 68 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 August 18, 2026.
Read through reviews of airlines operating flights from San Juan to Detroit, such as Delta and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
2.0
MediocreDanielle,Aug 2023
RSW - DTW
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
2.0
MediocreDanielle,Aug 2023
RSW - DTW
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
2.0
MediocreDanielle,Aug 2023
RSW - DTW
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.
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Port Huron
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Top 2 airlines flying from San Juan to Detroit
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$343 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$522 | FlexibilityNo cancel fee | On-timeN/A |