$104 Cheap Frontier Airlines flights Washington (IAD) to San Juan (SJU)

$104 Cheap Frontier Airlines flights Washington (IAD) to San Juan (SJU)

Prices were available within the past 7 days and start at $104 for one-way flights and $174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jun 29 - Tue, Jul 8

IAD

Washington

SJU

San Juan

$174 Roundtrip, found 3 days ago

$174

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Washington to San Juan, returning Tue, Jul 8, priced at $174 found 3 days ago

Tue, Jul 1 - Tue, Jul 8

IAD

Washington

SJU

San Juan

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Washington to San Juan, returning Tue, Jul 8, priced at $184 found 3 days ago

Thu, Jun 26 - Tue, Jul 8

IAD

Washington

SJU

San Juan

$220 Roundtrip, found 3 days ago

$220

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 26 from Washington to San Juan, returning Tue, Jul 8, priced at $220 found 3 days ago

Sun, Jun 29 - Thu, Jul 3

IAD

Washington

SJU

San Juan

$228 Roundtrip, found 3 days ago

$228

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Washington to San Juan, returning Thu, Jul 3, priced at $228 found 3 days ago

Tue, Jul 1 - Thu, Jul 3

IAD

Washington

SJU

San Juan

$238 Roundtrip, found 3 days ago

$238

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Washington to San Juan, returning Thu, Jul 3, priced at $238 found 3 days ago

Sun, Aug 3 - Sun, Aug 17

IAD

Washington

SJU

San Juan

$255 Roundtrip, found 18 hours ago

$255

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Washington to San Juan, returning Sun, Aug 17, priced at $255 found 18 hours ago

Sun, Aug 3 - Sun, Aug 17

IAD

Washington

SJU

San Juan

$258 Roundtrip, found 18 hours ago

$258

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Washington to San Juan, returning Sun, Aug 17, priced at $258 found 18 hours ago

Thu, Jun 26 - Thu, Jul 3

IAD

Washington

SJU

San Juan

$274 Roundtrip, found 3 days ago

$274

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 26 from Washington to San Juan, returning Thu, Jul 3, priced at $274 found 3 days ago

Mon, Jun 30 - Tue, Jul 8

IAD

Washington

SJU

San Juan

$280 Roundtrip, found 3 days ago

$280

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Washington to San Juan, returning Tue, Jul 8, priced at $280 found 3 days ago