AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 26 Apr - 02 May | Delta | ||
| 16 Apr - 19 Apr | jetBlue | ||
| 03 Apr - 11 Apr | American Airlines | ||
| 02 Apr - 06 Apr | Delta | ||
| 16 Apr - 19 Apr | Delta | direct |
Also check the deals for one-way flights from Detroit to San Juan in April.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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