$134 Cheap Frontier Airlines flights Washington (IAD) to San Juan (SJU)

$134 Cheap Frontier Airlines flights Washington (IAD) to San Juan (SJU)

Prices were available within the past 7 days and start at $134 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Thu, Dec 18

IAD

Washington

SJU

San Juan

$309 Roundtrip, found 6 days ago

$309

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Washington to San Juan, returning Thu, Dec 18, priced at $309 found 6 days ago

Fri, Oct 24 - Mon, Oct 27

IAD

Washington

SJU

San Juan

$350 Roundtrip, found 2 days ago

$350

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Washington to San Juan, returning Mon, Oct 27, priced at $350 found 2 days ago

Fri, Oct 24 - Mon, Oct 27

IAD

Washington

SJU

San Juan

$366 Roundtrip, found 2 days ago

$366

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Washington to San Juan, returning Mon, Oct 27, priced at $366 found 2 days ago

Thu, Dec 11 - Fri, Dec 19

IAD

Washington

SJU

San Juan

$373 Roundtrip, found 6 days ago

$373

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Washington to San Juan, returning Fri, Dec 19, priced at $373 found 6 days ago

Thu, Dec 11 - Sun, Dec 21

IAD

Washington

SJU

San Juan

$413 Roundtrip, found 6 days ago

$413

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Washington to San Juan, returning Sun, Dec 21, priced at $413 found 6 days ago

Sat, Nov 1 - Sun, Nov 9

IAD

Washington

SJU

San Juan

$429 Roundtrip, found 5 days ago

$429

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 1 from Washington to San Juan, returning Sun, Nov 9, priced at $429 found 5 days ago

Sat, Nov 1 - Sun, Nov 9

IAD

Washington

SJU

San Juan

$456 Roundtrip, found 5 days ago

$456

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 1 from Washington to San Juan, returning Sun, Nov 9, priced at $456 found 5 days ago

Thu, Dec 11 - Sun, Dec 21

IAD

Washington

SJU

San Juan

$475 Roundtrip, found 6 days ago

$475

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Washington to San Juan, returning Sun, Dec 21, priced at $475 found 6 days ago