$862+ Cheap flights from Dulles Intl (IAD) to São Tomé and Príncipe
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TMS
jul. 30 — ago. 61
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to São Tomé and Príncipe with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 julio 25, 2025.
Round-trip from | $1,888 (oojo) |
|---|---|
One-way from | $862 (Kiwi.com) |
Find flight deals from Dulles Intl to São Tomé and Príncipe
Cheapest flights from Dulles Intl to São Tomé and PríncipeExplore the most affordable flight options available from Dulles Intl to São Tomé and Príncipe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 25, 2025.
Explore the most affordable flight options available from Dulles Intl to São Tomé and Príncipe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 25, 2025.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/23. 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.
sáb. 12/65:30 pmIAD - TMS
2 stops19h 35mTAP AIR PORTUGAL
mié. 12/108:00 pmTMS - IAD
2 stops24h 15mTAP AIR PORTUGAL
Deal found 7/23![TAP AIR PORTUGAL logo]()
$1,709
This Mytrip deal was found by Cheapflights users on 7/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/610:35 pmIAD - TMS
3 stops33h 35mMultiple Airlines
sáb. 9/139:35 pmTMS - IAD
3 stops42h 10mMultiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$2,678
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 julio 25, 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
sáb. 12/6
5:30 pm-6:05 pm
2 stops19h 35m
Sao Tome Is
mié. 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
sáb. 9/6
10:35 pm-12:10 pm
3 stops33h 35m
Sao Tome Is
sáb. 9/13
9:35 pm-11:45 am
3 stops42h 10m
$2,678
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
mié. 12/31
8:45 pm-12:10 pm
3 stops34h 25m
$862
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
mié. 12/31
8:40 pm-5:40 pm
2 stops16h 00m
$963
Washington, D.C.São Tomé
IAD - TMS
IADTMS
Washington, D.C. Dulles Intl
sáb. 12/20
5:30 pm-6:05 pm
2 stops19h 35m
$1,328
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
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing São Tomé and Príncipe
Get insights into the airlines that provide service to São Tomé and Príncipe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to São Tomé and Príncipe. Reviews last updated julio 25, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to São Tomé and Príncipe, such as Ethiopian Air and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.6
Boarding
7.2
Food
6.9
Comfort
7.1
Overall
7.2
Crew
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2025
IAD - ADD
Entertainment
6.6
Boarding
7.2
Food
6.9
Comfort
7.1
Overall
7.2
Crew
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2025
IAD - ADD
Entertainment
6.6
Boarding
7.2
Food
6.9
Comfort
7.1
Overall
7.2
Crew
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2025
IAD - ADD