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

Monday, December 14th, 2026

10 round-trip options

Returning
Sat, Dec 19, 20265 Day Trip
$1,318 USD
Returning
Sun, Dec 20, 20266 Day Trip
$769 USD
Returning
Mon, Dec 21, 20267 Day Trip
$714 USD
Returning
Tue, Dec 22, 20268 Day Trip
$685 USD
Returning
Wed, Dec 23, 20269 Day Trip
$714 USD
Returning
Thu, Dec 24, 202610 Day Trip
$685 USD
Returning
Fri, Dec 25, 202611 Day Trip
$1,342 USD
Returning
Sat, Dec 26, 202612 Day Trip
$2,150 USD
Returning
Sun, Dec 27, 202613 Day Trip
$776 USD
Returning
Mon, Dec 28, 202614 Day Trip
$614 USD