$759 Cheap TAP Portugal flights Washington (IAD) to São Tomé Island (TMS)

View $759 flight on Mon, Aug 18, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$759 Cheap TAP Portugal flights Washington (IAD) to São Tomé Island (TMS)

Prices were available within the past 7 days and start at $759 for one-way flights and $1,404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Tue, Nov 11 - Wed, Nov 26
IAD
Washington
TMS
São Tomé Island
$1,404 Roundtrip, found 16 hours ago
$1,404
Roundtrip
found 16 hours ago
Select TAP Portugal flight, departing Tue, Nov 11 from Washington to São Tomé Island, returning Wed, Nov 26, priced at $1,404 found 16 hours ago
TAP Portugal
Wed, Nov 12 - Wed, Nov 26
IAD
Washington
TMS
São Tomé Island
$1,411 Roundtrip, found 16 hours ago
$1,411
Roundtrip
found 16 hours ago
Select TAP Portugal flight, departing Wed, Nov 12 from Washington to São Tomé Island, returning Wed, Nov 26, priced at $1,411 found 16 hours ago
TAP Portugal
Tue, Nov 11 - Sun, Nov 23
IAD
Washington
TMS
São Tomé Island
$1,424 Roundtrip, found 16 hours ago
$1,424
Roundtrip
found 16 hours ago
Select TAP Portugal flight, departing Tue, Nov 11 from Washington to São Tomé Island, returning Sun, Nov 23, priced at $1,424 found 16 hours ago
Flights from Washington (IAD) to São Tomé Island (TMS)
Origin airport
Washington Dulles Intl.
Destination airport
São Tomé Intl.
Airlines serving
Ethiopian Airlines, TAP Portugal
Popular airline
TAP Portugal
Distance
5888 mi

Explore a world of travel with Expedia

*Available to One Key members.