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São Tomé and Príncipe

$3,377+ Cheap flights from District of Columbia 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TMS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to São Tomé and Príncipe

Best flights from District of Columbia to São Tomé and Príncipe
Discover carefully curated flight deals from District of Columbia 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 December 18, 2025.

This Arangrant deal was found by Cheapflights users on 12/16. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:30 pmIAD - TMS
2 stops19h 35mTAP AIR PORTUGAL
Wed 2/118:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 12/16$3,377
This AranGrant deal was found by Cheapflights users on 12/16. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:50 pmIAD - TMS
2 stops15h 50mEthiopian Air
Wed 2/117:00 amTMS - IAD
4 stops30h 00mEthiopian Air
Deal found 12/16$5,506
This AranGrant deal was found by Cheapflights users on 12/16. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:30 pmIAD - TMS
2 stops38h 35mTAP AIR PORTUGAL
Wed 2/118:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 12/16$3,384
This Arangrant deal was found by Cheapflights users on 12/16. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:30 pmIAD - TMS
2 stops19h 35mTAP AIR PORTUGAL
Sat 2/1410:25 pmTMS - IAD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 12/16$3,724
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/16. 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.
Fri 1/3010:30 pmIAD - TMS
2 stops38h 35mTAP AIR PORTUGAL
Sun 2/158:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 12/16$4,214
This Ethiopian Air deal was found by Cheapflights users on 12/16. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2810:00 amIAD - TMS
3 stops26h 40mEthiopian Air
Sun 2/157:00 amTMS - IAD
4 stops30h 00mEthiopian Air
Deal found 12/16$6,036
This Ethiopian Air deal was found by Cheapflights users on 12/16. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:00 amIAD - TMS
3 stops26h 40mEthiopian Air
Sun 2/157:00 amTMS - IAD
4 stops30h 00mEthiopian Air
Deal found 12/16$6,172
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/16. 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 1/315:30 pmIAD - TMS
2 stops19h 35mTAP AIR PORTUGAL
Sun 2/158:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 12/16$5,400
This Ethiopian Air deal was found by Cheapflights users on 12/16. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:00 amIAD - TMS
3 stops26h 40mEthiopian Air
Wed 2/117:00 amTMS - IAD
2 stops17h 05mEthiopian Air
Deal found 12/16$6,423

Find flight deals from District of Columbia to São Tomé and Príncipe

Keep the following information in mind while searching for District of Columbia to São Tomé and Príncipe flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$1,968
(oojo)
Provider with most accurate pricing for Washington, D.C. (WAS)-Sao Tome Is flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sao Tome Is flights.
Search Deals
From District of Columbia to São Tomé and Príncipe
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia to São Tomé and Príncipe that are best for you.

Fly from

District of Columbia

Fly to

São Tomé and Príncipe

Route

Depart

Return

Price

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Thu 1/29

5:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Wed 2/11

8:00 pm-3:15 pm

2 stops24h 15m

$3,377

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Fri 1/30

10:30 pm-6:05 pm

2 stops38h 35m

Sao Tome Is

Wed 2/11

8:00 pm-3:15 pm

2 stops24h 15m

$3,384

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Thu 1/29

5:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Sat 2/14

10:25 pm-9:00 pm

1 stop27h 35m

$3,724

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Fri 1/30

10:30 pm-6:05 pm

2 stops38h 35m

Sao Tome Is

Sun 2/15

8:00 pm-3:15 pm

2 stops24h 15m

$4,214

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 1/31

5:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Sun 2/15

8:00 pm-3:15 pm

2 stops24h 15m

$5,400

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 2/2

8:50 pm-5:40 pm

2 stops15h 50m

Sao Tome Is

Wed 2/11

7:00 am-8:00 am

4 stops30h 00m

$5,506

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 1/28

10:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

Sun 2/15

7:00 am-8:00 am

4 stops30h 00m

$6,036

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 2/2

10:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

Sun 2/15

7:00 am-8:00 am

4 stops30h 00m

$6,172

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Fri 1/30

10:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

Wed 2/11

7:00 am-7:05 pm

2 stops17h 05m

$6,423

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from District of Columbia to São Tomé and Príncipe

Have a flexible travel schedule? Discover the best time to fly to São Tomé and Príncipe from District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia to São Tomé and Príncipe?

    Departing from District of Columbia to São Tomé and Príncipe will take you 19h 35m. The distance between District of Columbia and São Tomé and Príncipe is about 5884 mi.

  • Can I find deals for flights from District of Columbia to São Tomé and Príncipe that include hotel bookings?

    Yes. In addition to deals on District of Columbia to São Tomé and Príncipe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia 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 District of Columbia to São Tomé and Príncipe.

  • Can I find deals for business class flights from District of Columbia to São Tomé and Príncipe?

    Yes. Cheapflights offers flight deals from District of Columbia 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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