$1,108 Cheap TAP Portugal flights Washington (IAD) to São Tomé Island (TMS)

View $1,108 flight on Wed, Jan 7, 2026Opens in a new window
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$1,108 Cheap TAP Portugal flights Washington (IAD) to São Tomé Island (TMS)

Prices were available within the past 7 days and start at $1,108 for one-way flights and $1,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, May 7 - Sun, May 10
IAD
Washington
TMS
São Tomé Island
$1,250 Roundtrip, found 20 hours ago
$1,250
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Thu, May 7 from Washington to São Tomé Island, returning Sun, May 10, priced at $1,250 found 20 hours ago
TAP Portugal
Thu, May 7 - Sun, May 10
IAD
Washington
TMS
São Tomé Island
$1,321 Roundtrip, found 20 hours ago
$1,321
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Thu, May 7 from Washington to São Tomé Island, returning Sun, May 10, priced at $1,321 found 20 hours ago
TAP Portugal
Thu, May 7 - Sun, May 10
IAD
Washington
TMS
São Tomé Island
$1,413 Roundtrip, found 20 hours ago
$1,413
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Thu, May 7 from Washington to São Tomé Island, returning Sun, May 10, priced at $1,413 found 20 hours ago
TAP Portugal
Thu, May 7 - Sun, May 10
IAD
Washington
TMS
São Tomé Island
$1,505 Roundtrip, found 20 hours ago
$1,505
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Thu, May 7 from Washington to São Tomé Island, returning Sun, May 10, priced at $1,505 found 20 hours ago
TAP Portugal
Mon, Apr 20 - Fri, May 1
IAD
Washington
TMS
São Tomé Island
$1,553 Roundtrip, found 2 days ago
$1,553
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Mon, Apr 20 from Washington to São Tomé Island, returning Fri, May 1, priced at $1,553 found 2 days ago
TAP Portugal
Mon, Apr 20 - Fri, May 1
IAD
Washington
TMS
São Tomé Island
$1,625 Roundtrip, found 2 days ago
$1,625
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Mon, Apr 20 from Washington to São Tomé Island, returning Fri, May 1, priced at $1,625 found 2 days 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, Turkish Airlines
Popular airline
TAP Portugal
Distance
5888 mi
*Available to One Key members.