$137 Cheap Frontier Airlines flights Detroit (DTW) to San Juan (SJU)

$137 Cheap Frontier Airlines flights Detroit (DTW) to San Juan (SJU)

Prices were available within the past 7 days and start at $137 for one-way flights and $470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 10 - Sun, Apr 19

DTW

Detroit

SJU

San Juan

$470 Roundtrip, found 21 hours ago

$470

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Apr 10 from Detroit to San Juan, returning Sun, Apr 19, priced at $470 found 21 hours ago

Fri, Apr 10 - Sun, Apr 19

DTW

Detroit

SJU

San Juan

$540 Roundtrip, found 21 hours ago

$540

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Apr 10 from Detroit to San Juan, returning Sun, Apr 19, priced at $540 found 21 hours ago

Sat, Dec 20 - Sun, Dec 28

DTW

Detroit

SJU

San Juan

$774 Roundtrip, found 3 days ago

$774

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Detroit to San Juan, returning Sun, Dec 28, priced at $774 found 3 days ago