
Round-trip from | $232 (eDestinos) |
|---|---|
One-way from | $118 (Frontier) |
Popular in | March |
Cheapest in | November |
Average price | $432 |
Fly from
Fly to
Route
Depart
Return
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Fri 9/18
11:35 am-8:50 pm
2 stops9h 15m
Detroit Metropolitan Wayne County
Mon 9/21
3:50 pm-10:50 pm
1 stop7h 00m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Tue 7/7
2:21 pm-7:03 pm
Nonstop4h 42m
Detroit Metropolitan Wayne County
Wed 7/15
8:35 am-1:11 pm
Nonstop4h 36m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Mon 7/6
5:00 am-3:20 pm
2 stops10h 20m
Detroit Metropolitan Wayne County
Tue 7/14
3:50 pm-10:45 pm
1 stop6h 55m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 7/8
2:21 pm-7:03 pm
Nonstop4h 42m
Detroit Metropolitan Wayne County
Thu 7/30
8:35 am-1:11 pm
Nonstop4h 36m
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
8:35 am-1:11 pm
Nonstop4h 36m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Tue 7/7
7:00 am-5:55 pm
2 stops10h 55m
Detroit Metropolitan Wayne County
Wed 7/15
3:50 pm-10:45 pm
1 stop6h 55m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Sat 6/13
9:10 am-11:45 pm
2 stops14h 35m
Detroit Metropolitan Wayne County
Mon 6/22
1:25 pm-11:35 pm
2 stops10h 10m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Thu 6/4
2:35 pm-7:15 pm
Nonstop4h 40m
Detroit Metropolitan Wayne County
Sun 6/7
8:35 am-1:04 pm
Nonstop4h 29m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Wed 11/4
6:15 am-3:15 pm
2 stops10h 00m
San JuanDetroit
SJU - DTW
SJUDTW
San Juan Luis Munoz Marin Intl
Tue 5/26
8:10 am-9:35 pm
2 stops13h 25m
Booking 77 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.
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.
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 47% on airfare.
The most flights from PR1 to DTT are scheduled on a Monday (3 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
About 12% of weekly flights between San Juan and Detroit have experienced delays in the past year, with the average delay time being 130 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday 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.
Over the last year, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$102 | Average$245 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$190 | Average$459 | FlexibilityNo cancel fee | On-timeN/A |