Detroit (DTW) to San Juan (SJU) cheap flight deal from $200 USD in economy class

DLDelta Air Lines

Round Trip•Economy

DTW

Detroit Metropolitan Wayne County Airport

Detroit, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$554 USD

-64%$200 USD

Verified Sep 21, 2025 at 10:48 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$292 30$292 1$292 2$367 3$367 4$292 5$359 6$255 7$259 8$259 9$801 10$355 11$355 12$457 13$348 14$259 15$332 16$477 17$225 18$250 19$453 20$250 21$205 22$255 23$473 24$230 25$205 26$453 27$200 28$205 29$205 30$330 31$330 1 2

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Thursday, October 2nd, 2025

10 round-trip options

Returning

Tue, Oct 7, 2025•5 Day Trip

$367 USD

Google Flights

Returning

Wed, Oct 8, 2025•6 Day Trip

$367 USD

Google Flights

Returning

Thu, Oct 9, 2025•7 Day Trip

$582 USD

Google Flights

Returning

Fri, Oct 10, 2025•8 Day Trip

$380 USD

Google Flights

Returning

Sat, Oct 11, 2025•9 Day Trip

$367 USD

Google Flights

Returning

Sun, Oct 12, 2025•10 Day Trip

$920 USD

Google Flights

Returning

Mon, Oct 13, 2025•11 Day Trip

$598 USD

Google Flights

Returning

Tue, Oct 14, 2025•12 Day Trip

$582 USD

Google Flights

Returning

Wed, Oct 15, 2025•13 Day Trip

$459 USD

Google Flights

Returning

Thu, Oct 16, 2025•14 Day Trip

$477 USD

Google Flights