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São Tomé

$1,709+ Cheap flights from Washington, D.C. (WAS) to São Tomé (TMS)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TMS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Washington, D.C. to São Tomé

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to São Tomé (TMS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$1,709
(TAP AIR PORTUGAL)
From Washington, D.C. (WAS) to Sao Tome Is
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Find flight deals from Washington, D.C. to São Tomé

Cheapest flights from Washington, D.C. to São Tomé
Explore the most affordable flight options available from Washington, D.C. to São Tomé. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/13. 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 8/13$1,709
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:00 pmIAD - TMS
2 stops20h 35mMultiple Airlines
Tue 10/71:00 pmTMS - IAD
3 stops34h 45mMultiple Airlines
Deal found 8/13$2,456
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Mon 9/19:20 pmIAD - TMS
2 stops16h 20mMultiple Airlines
Mon 9/81:10 pmTMS - IAD
3 stops47h 45mMultiple Airlines
Deal found 8/12$3,838

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to São Tomé 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 August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to São Tomé that are best for you.

Fly from

Washington, D.C.

Fly to

São Tomé

Route

Depart

Return

Price

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

Tue 9/23

5:00 pm-5:35 pm

2 stops20h 35m

Sao Tome Is

Tue 10/7

1:00 pm-7:45 pm

3 stops34h 45m

$2,456

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 9/1

9:20 pm-5:40 pm

2 stops16h 20m

Sao Tome Is

Mon 9/8

1:10 pm-8:55 am

3 stops47h 45m

$3,838

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

Have a flexible travel schedule? Discover the best time to fly to São Tomé 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
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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to São Tomé from Washington, D.C.?

    Most people fly into Sao Tome Is (TMS) if they book a flight to São Tomé from Washington, D.C.. On average, Sao Tome Is has 0 inbound flights from Washington, D.C. per day from 0 airlines. Sao Tome Is is conveniently located just 3.1 mi from São Tomé’s city center.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to São Tomé 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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Dulles Intl to São Tomé flights

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