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São Tomé and Príncipe

$1,582+ Cheap flights from Washington, D.C. (WAS) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TMS
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Cheap flight deals from Washington, D.C. to São Tomé and Príncipe

Keep the following information in mind while searching for Washington, D.C. to São Tomé and Príncipe flight deals. Data was last updated October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,582
(Booking.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Sao Tome Is flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sao Tome Is flights.
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From Washington, D.C. (WAS) to São Tomé and Príncipe
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Find flight deals from Washington, D.C. to São Tomé and Príncipe

Cheapest flights from Washington, D.C. to São Tomé and Príncipe
Explore the most affordable flight options available from Washington, D.C. to São Tomé and Príncipe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:30 pmIAD - TMS
3 stops64h 35mMultiple Airlines
Sat 11/2210:25 pmTMS - IAD
2 stops46h 25mMultiple Airlines
Deal found 10/19$1,582
This FlightHub deal was found by Cheapflights users on 10/19. 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.
Sun 11/98:30 pmIAD - TMS
3 stops64h 35mMultiple Airlines
Sun 11/168:00 pmTMS - IAD
3 stops48h 30mMultiple Airlines
Deal found 10/19$1,583
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/18. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:30 pmIAD - TMS
2 stops19h 35mTAP AIR PORTUGAL
Wed 12/108:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 10/18$1,709
This Expedia deal was found by Cheapflights users on 10/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:50 pmIAD - TMS
2 stops32h 55mMultiple Airlines
Tue 12/95:00 pmTMS - IAD
2 stops28h 35mMultiple Airlines
Deal found 10/17$2,488

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. to São Tomé and Príncipe that are best for you.

Fly from

Washington, D.C.

Fly to

São Tomé and Príncipe

Route

Depart

Return

Price

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/9

8:30 pm-6:05 pm

3 stops64h 35m

Sao Tome Is

Sun 11/16

8:00 pm-3:30 pm

3 stops48h 30m

$1,583

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 12/6

5:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Wed 12/10

8:00 pm-3:15 pm

2 stops24h 15m

$1,709

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/16

8:30 pm-6:05 pm

3 stops64h 35m

Sao Tome Is

Sat 11/22

10:25 pm-3:30 pm

1 stop22h 05m

$1,788

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/30

8:45 pm-5:40 pm

2 stops39h 55m

$2,559

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 11/5

8:45 pm-12:10 pm

3 stops34h 25m

$2,967

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 11/4

5:30 pm-6:05 pm

2 stops19h 35m

$3,186

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 11/5

10:30 pm-6:05 pm

2 stops38h 35m

$3,193

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 12/1

5:30 pm-6:05 pm

2 stops43h 35m

$3,767

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 12/1

11:40 am-12:10 pm

3 stops43h 30m

$3,840

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 11/4

9:15 pm-12:10 pm

3 stops57h 55m

$3,901

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Best time to book a flight from Washington, D.C. to São Tomé and Príncipe

Have a flexible travel schedule? Discover the best time to fly to São Tomé and Príncipe from Washington, D.C. 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. to São Tomé and Príncipe
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to São Tomé and Príncipe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to São Tomé and Príncipe?

    TAP AIR PORTUGAL can get you from Washington, D.C. to São Tomé and Príncipe in just under 19h 35m. Your travel time can differ by up to . Airlines will cover a distance of 5884 mi.

  • Can I find deals for flights from Washington, D.C. to São Tomé and Príncipe that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to São Tomé and Príncipe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to São Tomé and Príncipe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to São Tomé and Príncipe.

  • Can I find deals for business class flights from Washington, D.C. to São Tomé and Príncipe?

    Yes. Cheapflights offers flight deals from Washington, D.C. to São Tomé and Príncipe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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