$1,028 Cheap Ethiopian Airlines flights Washington (IAD) to São Tomé Island (TMS)

View $1,028 flight on Mon, Jan 19, 2026Opens in a new window

$1,028 Cheap Ethiopian Airlines flights Washington (IAD) to São Tomé Island (TMS)

Prices were available within the past 7 days and start at $1,028 for one-way flights and $1,809 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ethiopian Airlines
Mon, Jan 19 - Wed, Jan 28
IAD
Washington
TMS
São Tomé Island
$1,809 Roundtrip, found 2 days ago
$1,809
Roundtrip
found 2 days ago
Select Ethiopian Airlines flight, departing Mon, Jan 19 from Washington to São Tomé Island, returning Wed, Jan 28, priced at $1,809 found 2 days ago
Flights from Washington (IAD) to São Tomé Island (TMS)
Origin airport
Washington Dulles Intl.
Destination airport
São Tomé Intl.
Airlines serving
Ethiopian Airlines, TAP Portugal, Turkish Airlines
Popular airline
Ethiopian Airlines
Distance
5888 mi

Frequently asked questions

How much is an Ethiopian Airlines flight from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
Finding cheap one-way Ethiopian Airlines flights from IAD to TMS from $1,028 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $1,809 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to TMS with Ethiopian Airlines?
Search for one-way or round-trip flights to São Tomé Island in November or June. You could find cheaper fares with Ethiopian Airlines during these off-season months.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS) with Ethiopian Airlines?
Snagging the best Ethiopian Airlines deals from IAD to TMS is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It's a good idea to start checking out flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Ethiopian Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
To figure out if there's a direct route from IAD to TMS with Ethiopian Airlines or another carrier, check the "Nonstop" box when searching for flights.
What is the earliest Ethiopian Airlines flight from IAD to TMS?
Search Ethiopian Airlines's earliest flights from IAD to TMS by checking our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Ethiopian Airlines fly into in São Tomé Island?
Board an Ethiopian Airlines flight from Washington Dulles Intl. Airport (IAD) to São Tomé Island, and you'll likely come in to Sao Tome Intl. Airport (TMS). This is the airline's primary hub here.
What kind of luggage can I take on an Ethiopian Airlines flight from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
For checked luggage, you can bring 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag in the cabin when flying standard economy from IAD to TMS with Ethiopian Airlines. This carry-on should weigh less than 15 lb and be no larger than 15 inches x 9 inches x 21 inches. Going above these limits can mean extra fees, so check Ethiopian Airlines's baggage allowance guidelines before you start packing.
Why fly with Ethiopian Airlines from IAD to TMS?
Offering an excellent in-flight experience and top-tier customer service, Ethiopian Airlines is a popular option for many passengers flying from IAD to TMS. Also, if you're an Ethiopian Sheba Miles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Ethiopian Airlines flight from Washington Dulles Intl. Airport (IAD) to Sao Tome Intl. Airport (TMS)?
You can usually change or cancel your flight, although additional charges may apply if your booking was made over 24 hours ago. Need flexible options? Use our "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you need to adjust your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.