Cheap Flights from Detroit, MI to San Juan from $109

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On Cheapflightsplus.com you will find 3 direct and 270 connecting flights from Detroit to San Juan. You can compare airfare deals from 5 airlines and multiple travel sites from $109, book and save on cheap plane tickets and last minute offers. Also check out DTT-SJU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Detroit to San Juan Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $109 (one-way), $187 (round-trip).
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Best Flights from Detroit to San Juan Today

Take a look at the list of non stop flights and flights with layovers from Detroit to San Juan with the lowest price of $109. The fastest direct flight takes 4h 29m and the fastest connecting – 6h 34m.
Price Departure Arrival Flight Duration Airline Flight
from $109
Find flight
07:30
Detroit
All airports
 12:02
San Juan
Luis Munoz Marin Intl
 4h 32m Spirit Airlines
NK1543
from $129
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09:52
Detroit
All airports
 16:38
San Juan
Luis Munoz Marin Intl
 6h 46m
layover
1h 24m - Baltimore
 Frontier Airlines
F91516
F92266
from $129
Find flight
05:30
Detroit
All airports
 14:45
San Juan
Luis Munoz Marin Intl
 9h 15m
layover
3h 40m - Atlanta
 Spirit Airlines
NK1363
NK1389
from $160
Find flight
08:44
Detroit
All airports
 11:57+1 день
San Juan
Luis Munoz Marin Intl
 27h 13m
layover
4h 0m - Louisville
17h 2m - Atlanta
 Spirit Airlines
NK2794
NK2459
NK2404
from $185
Find flight
21:35
Detroit
All airports
 19:19+1 день
San Juan
Luis Munoz Marin Intl
 21h 44m
layover
5h 58m - Newark
8h 26m - Miami
 Spirit Airlines
NK2496
NK2059
NK2221
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 25, 2025
Full flight schedule will help you in detecting at what time planes fly from Detroit to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:15 — 11:57
05:15 — 07:22 NK2350 Spirit Airlines
Detroit — Atlanta
1h 7m stop
08:29 — 11:57 NK2404 Spirit Airlines
Atlanta — San Juan
6h 42m
including layover
Find flight
from$133
05:30 — 14:45
05:30 — 07:37 NK1363 Spirit Airlines
Detroit — Atlanta
3h 40m stop
11:17 — 14:45 NK1389 Spirit Airlines
Atlanta — San Juan
9h 15m
including layover
Find flight
from$129
06:10 — 10:39
06:10 — 10:39 NK2798 Spirit Airlines
Detroit — San Juan
4h 29m
Find flight
from$125
06:15 — 15:43
06:15 — 08:17 NK1095 Spirit Airlines
Detroit — Dallas
1h 38m stop
09:55 — 15:43 NK1379 Spirit Airlines
Dallas — San Juan
9h 28m
including layover
Find flight
from$136
07:30 — 12:02
07:30 — 12:02 NK1543 Spirit Airlines
Detroit — San Juan
4h 32m
Find flight
from$109
09:52 — 16:38
09:42 — 11:16 F91516 Frontier Airlines
Detroit — Baltimore
1h 24m stop
12:51 — 16:43 F92266 Frontier Airlines
Baltimore — San Juan
6h 46m
including layover
Find flight
from$129
11:47 — 07:59
+1 day
13:06 — 15:53 F94286 Frontier Airlines
Detroit — Orlando
14h 40m stop
12:49 — 15:54 F91824 Frontier Airlines
Orlando — San Juan
20h 12m
including layover
Find flight
from$130
12:16 — 16:46
12:16 — 16:46 NK3898 Spirit Airlines
Detroit — San Juan
4h 30m
Find flight
from$125
13:06 — 02:39
+1 day
09:57 — 12:34 F94286 Frontier Airlines
Detroit — Orlando
7h 47m stop
23:40 — 02:39 F94726 Frontier Airlines
Orlando — San Juan
13h 33m
including layover
Find flight
from$129
13:06 — 20:29
09:57 — 12:34 F94286 Frontier Airlines
Detroit — Orlando
1h 27m stop
17:20 — 20:29 F93506 Frontier Airlines
Orlando — San Juan
7h 23m
including layover
Find flight
from$130
13:06 — 08:59
+1 day
09:57 — 12:34 F94286 Frontier Airlines
Detroit — Orlando
14h 7m stop
06:05 — 09:04 F92250 Frontier Airlines
Orlando — San Juan
19h 53m
including layover
Find flight
from$135
17:15 — 00:46
+1 day
16:33 — 18:20 F92640 Frontier Airlines
Detroit — Raleigh
2h 14m stop
21:15 — 00:46 F91226 Frontier Airlines
Raleigh — San Juan
7h 31m
including layover
Find flight
from$130
17:26 — 10:06
+1 day
17:26 — 20:35 NK1557 Spirit Airlines
Detroit — Miami
11h 5m stop
07:40 — 10:06 NK1396 Spirit Airlines
Miami — San Juan
16h 40m
including layover
Find flight
from$136
21:14 — 15:43
+1 day
21:14 — 23:20 NK1060 Spirit Airlines
Detroit — Dallas
10h 35m stop
09:55 — 15:43 NK1379 Spirit Airlines
Dallas — San Juan
18h 29m
including layover
Find flight
from$136
22:04 — 11:57
+1 day
22:04 — 00:17 NK2493 Spirit Airlines
Detroit — Atlanta
8h 12m stop
08:29 — 11:57 NK2404 Spirit Airlines
Atlanta — San Juan
13h 53m
including layover
Find flight
from$133
*Departure and arrival times - local. Updated on September 25, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Detroit to San Juan depends on and how to choose the most interesting flight option for you.

Distance between Detroit and San Juan is 3106 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 23:44 from 2 Detroit airports and arrive 05:00 to 23:44 to 2 San Juan airports. Average flight time is 4h 30m.

  • The fastest flight 4h 29m
  • Average flight time 4h 30m
  • The earliest flight 05:00
  • The latest flight 23:44
  • Distance 1930 ml

The cheapest months to travel to San Juan are july (from 109 $), august (from 121 $), september (from 125 $).

The most expensive months are november (from 546 $), december (from 487 $), october (from 149 $).

What is the lowest airfare Detroit to San Juan?

The cheapest plane ticket found by our users is $109. This airfare is for economy class on one-way NK1543 flight by Spirit Airlines for August 7, 2025 which leaves All airports in Detroit at 07:30 am and arrives at San Juan Luis Munoz Marin Intl at 12:02.

Economy class
$109
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Business class
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First class
?
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Popular Airlines on the Route

The flight Detroit — San Juan is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 1 departures per week at the price of from $ 986 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 986.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is NK2798 by Spirit Airlines takes 4h 29m and the cheapest is NK1543 by Spirit Airlines for $109.

  • NK - Spirit Airlines
    from $109
    Find
See more direct flights

Connecting Flights

There are 270 flights with layovers on the route. The fastest connecting flight is UA6106 by United Airlines takes 6h 34m and the cheapest is NK1543 by Spirit Airlines for $129.

  • AS - Alaska Airlines
    from $986
    Find
  • F9 - Frontier Airlines
    from $129
    Find
  • SY - Sun Country Airlines
    from $217
    Find
  • UA - United Airlines
    from $236
    Find
  • NK - Spirit Airlines
    from $129
    Find
See more connecting flights

Airports

You can fly from Detroit to San Juan from 2 airports (Willow Run, Detroit City).

Detroit airports

  • Willow Run-YIP
    Find
  • Detroit City-DET
    Find

San Juan airports

  • Isla Grande-SIG
    Find
  • Luis Munoz Marin Intl-SJU
    Find

Airplanes

There are flights to San Juan from Detroit by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Detroit

You may also consider searching for discounted plane tickets to some other popular places from Detroit within United States.

Top International Destinations from Detroit

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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