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

Tuesday, December 15th, 2026

10 round-trip options

Returning
Sun, Dec 20, 20265 Day Trip
$715 USD
Returning
Mon, Dec 21, 20266 Day Trip
$660 USD
Returning
Tue, Dec 22, 20267 Day Trip
$631 USD
Returning
Wed, Dec 23, 20268 Day Trip
$660 USD
Returning
Thu, Dec 24, 20269 Day Trip
$631 USD
Returning
Fri, Dec 25, 202610 Day Trip
$1,288 USD
Returning
Sat, Dec 26, 202611 Day Trip
$2,096 USD
Returning
Sun, Dec 27, 202612 Day Trip
$722 USD
Returning
Mon, Dec 28, 202613 Day Trip
$560 USD
Returning
Tue, Dec 29, 202614 Day Trip
$446 USD