$1,530+ Cheap flights from Dulles Intl (IAD) to São Tomé and Príncipe
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TMS
Dec 20 — Dec 271
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Dulles Intl to São Tomé and Príncipe
Best flights from Dulles Intl to São Tomé and PríncipeDiscover carefully curated flight deals from Dulles Intl to São Tomé and Príncipe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2025.
Discover carefully curated flight deals from Dulles Intl to São Tomé and Príncipe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2025.
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:35 pmIAD - TMS
2 stops39h 05mTAP AIR PORTUGAL
Sun 4/127:40 pmTMS - IAD
2 stops28h 55mTAP AIR PORTUGAL
Deal found 11/19![TAP AIR PORTUGAL logo]()
$1,530
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:45 pmIAD - TMS
3 stops40h 55mMultiple Airlines
Sun 4/127:40 pmTMS - IAD
2 stops24h 00mMultiple Airlines
Deal found 11/19![Multiple Airlines logo]()
$1,611
This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:55 amIAD - TMS
3 stops26h 45mEthiopian Air
Sun 4/127:00 amTMS - IAD
4 stops29h 55mEthiopian Air
Deal found 11/19![Ethiopian Air logo]()
$1,844
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:40 pmIAD - TMS
2 stops40h 00mTurkish Airlines
Sun 4/127:40 pmTMS - IAD
2 stops43h 55mTurkish Airlines
Deal found 11/19![Turkish Airlines logo]()
$1,945
Cheap flight deals from Dulles Intl to São Tomé and Príncipe
Keep the following information in mind while searching for Dulles Intl to São Tomé and Príncipe flight deals. Data was last updated November 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Ovago 2 stars |
Round-trip from | $1,530 (FlightHub) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to São Tomé and Príncipe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to São Tomé and Príncipe that are best for you.
Fly from
Dulles Intl
Fly to
São Tomé and Príncipe
Route
Depart
Return
Price
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
Wed 4/8
10:35 pm-5:40 pm
2 stops39h 05m
Sao Tome Is
Sun 4/12
7:40 pm-8:35 pm
2 stops28h 55m
$1,530
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
Wed 4/8
8:45 pm-5:40 pm
3 stops40h 55m
Sao Tome Is
Sun 4/12
7:40 pm-3:40 pm
2 stops24h 00m
$1,611
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
Wed 4/8
10:55 am-5:40 pm
3 stops26h 45m
Sao Tome Is
Sun 4/12
7:00 am-8:55 am
4 stops29h 55m
$1,844
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
Wed 4/8
9:40 pm-5:40 pm
2 stops40h 00m
Sao Tome Is
Sun 4/12
7:40 pm-11:35 am
2 stops43h 55m
$1,945
Best time to book a flight from Dulles Intl to São Tomé and Príncipe
Have a flexible travel schedule? Discover the best time to fly to São Tomé and Príncipe from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to São Tomé and Príncipe
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