฿216,385 Cheap Flights from Washington (IAD) to São Tomé Island (TMS)

View ฿216,385 flight on Sun, 16 Nov 2025Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to São Tomé Island (TMS-São Tomé Intl.)

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Cheap Flights from Washington (IAD) to São Tomé Island (TMS)

Prices were available within the past 7 days and start at ฿216,385 for one-way flights and ฿40,655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, 24 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿40,655 Return, found 1 day ago
฿40,655
Return
found 1 day ago
Select TAP Portugal flight, departing Fri, 24 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿40,655 found 1 day ago
TAP Portugal
Fri, 24 Oct - Fri, 7 Nov
IAD
Washington
TMS
São Tomé Island
฿42,780 Return, found 1 day ago
฿42,780
Return
found 1 day ago
Select TAP Portugal flight, departing Fri, 24 Oct from Washington to São Tomé Island, returning Fri, 7 Nov, priced at ฿42,780 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,320 Return, found 1 day ago
฿45,320
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,320 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,435 Return, found 1 day ago
฿45,435
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,435 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,730 Return, found 1 day ago
฿45,730
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,730 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,805 Return, found 1 day ago
฿45,805
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,805 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,845 Return, found 1 day ago
฿45,845
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,845 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,920 Return, found 1 day ago
฿45,920
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,920 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,965 Return, found 1 day ago
฿45,965
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,965 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿45,995 Return, found 1 day ago
฿45,995
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿45,995 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,080 Return, found 1 day ago
฿46,080
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,080 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,165 Return, found 1 day ago
฿46,165
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,165 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,280 Return, found 1 day ago
฿46,280
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,280 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,400 Return, found 1 day ago
฿46,400
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,400 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,405 Return, found 1 day ago
฿46,405
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,405 found 1 day ago
Lufthansa
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,480 Return, found 1 day ago
฿46,480
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,480 found 1 day ago
Swiss International Air Lines
Mon, 27 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,515 Return, found 1 day ago
฿46,515
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 27 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,515 found 1 day ago
Air Canada
Fri, 24 Oct - Wed, 12 Nov
IAD
Washington
TMS
São Tomé Island
฿46,550 Return, found 1 day ago
฿46,550
Return
found 1 day ago
Select Air Canada flight, departing Fri, 24 Oct from Washington to São Tomé Island, returning Wed, 12 Nov, priced at ฿46,550 found 1 day ago
Ethiopian Airlines
Fri, 24 Oct - Sun, 9 Nov
IAD
Washington
TMS
São Tomé Island
฿60,835 Return, found 1 day ago
฿60,835
Return
found 1 day ago
Select Ethiopian Airlines flight, departing Fri, 24 Oct from Washington to São Tomé Island, returning Sun, 9 Nov, priced at ฿60,835 found 1 day ago

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Sao Tome Intl. Airport (TMS)?
Round-trip journeys between Washington Dulles Intl. Airport (IAD) and Sao Tome Intl. Airport (TMS) start from ฿40,655. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
The majority of flights can be conveniently cancelled online, but whether you are charged a fee all comes down to your airline. If you do need to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to Sao Tome Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Sao Tome Intl. Airport (TMS) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
To comfortably while away the 13 hours and 35 minutes flight time between IAD and TMS, it's wise to be prepared. A tablet filled with your favourite songs is a terrific start.
How far is the flight from Washington Dulles Intl. Airport (IAD) to TMS?
The distance is around 9,500 kilometres. Eye mask? Check. Toothbrush? Check. You'd be wise to pack all the travel comforts for this long-haul Chantilly to Sao Tome Island flight.
Which airlines fly direct from Dulles Intl. Airport to TMS?
Flying directly between Dulles Intl. Airport and Sao Tome Intl. Airport isn't possible right now. However, you'll still be able to book a flight to Sao Tome Island with at least one stop.
Are Washington Dulles Intl. Airport (IAD) to TMS flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Dulles Intl. Airport to Sao Tome Intl. Airport are available up to a year before departure on Expedia. And although you may occasionally score a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
São Tomé Intl.
Airlines serving
Ethiopian Airlines, TAP Portugal
Return price
฿40,655
Distance
9421 km

Book with confidence

Book with confidence

Perfect flights from Washington to São Tomé Island

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to São Tomé Island. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to São Tomé Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿216,385 and roundtrip prices from ฿40,655. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at São Tomé Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in São Tomé Island.
Perfect flights from Washington to São Tomé Island
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