Saint Thomas (STT) to Washington (IAD) flight deal in economy from $281

Thursday, December 17th, 2026

10 round-trip options

Returning
Tue, Dec 22, 20265 Day Trip
$573 USD
Returning
Wed, Dec 23, 20266 Day Trip
$602 USD
Returning
Thu, Dec 24, 20267 Day Trip
$573 USD
Returning
Fri, Dec 25, 20268 Day Trip
$1,230 USD
Returning
Sat, Dec 26, 20269 Day Trip
$2,038 USD
Returning
Sun, Dec 27, 202610 Day Trip
$669 USD
Returning
Mon, Dec 28, 202611 Day Trip
$503 USD
Returning
Tue, Dec 29, 202612 Day Trip
$388 USD
Returning
Wed, Dec 30, 202613 Day Trip
$358 USD
Returning
Thu, Dec 31, 202614 Day Trip
$281 USD