$139 Cheap Frontier Airlines flights San Juan (SJU) to Denver (DEN)

$139 Cheap Frontier Airlines flights San Juan (SJU) to Denver (DEN)

Prices were available within the past 7 days and start at $139 for one-way flights and $408 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 18 - Thu, Nov 27

SJU

San Juan

DEN

Denver

$408 Roundtrip, found 6 days ago

$408

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from San Juan to Denver, returning Thu, Nov 27, priced at $408 found 6 days ago

Mon, Oct 20 - Thu, Nov 27

SJU

San Juan

DEN

Denver

$418 Roundtrip, found 6 days ago

$418

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from San Juan to Denver, returning Thu, Nov 27, priced at $418 found 6 days ago

Tue, Oct 21 - Thu, Nov 27

SJU

San Juan

DEN

Denver

$431 Roundtrip, found 6 days ago

$431

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Oct 21 from San Juan to Denver, returning Thu, Nov 27, priced at $431 found 6 days ago

Mon, Oct 20 - Fri, Nov 28

SJU

San Juan

DEN

Denver

$447 Roundtrip, found 6 days ago

$447

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from San Juan to Denver, returning Fri, Nov 28, priced at $447 found 6 days ago

Mon, Oct 20 - Fri, Nov 28

SJU

San Juan

DEN

Denver

$572 Roundtrip, found 6 days ago

$572

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from San Juan to Denver, returning Fri, Nov 28, priced at $572 found 6 days ago

Mon, Oct 20 - Tue, Nov 25

SJU

San Juan

DEN

Denver

$586 Roundtrip, found 6 days ago

$586

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from San Juan to Denver, returning Tue, Nov 25, priced at $586 found 6 days ago

Mon, Oct 20 - Fri, Nov 28

SJU

San Juan

DEN

Denver

$595 Roundtrip, found 6 days ago

$595

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from San Juan to Denver, returning Fri, Nov 28, priced at $595 found 6 days ago

Tue, Oct 21 - Fri, Nov 28

SJU

San Juan

DEN

Denver

$615 Roundtrip, found 6 days ago

$615

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Oct 21 from San Juan to Denver, returning Fri, Nov 28, priced at $615 found 6 days ago