Cheap flights from District of Columbia to São Tomé from $1,969

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to São Tomé departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from District of Columbia to São Tomé

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 pm - 5:40 pm
IAD
-
TMS
15h 50m
2 stops
Multiple Airlines Logo
1:10 pm - 8:55 am
TMS
-
IAD
47h 45m
3 stops
$1,969Multiple Airlines
ma., mar. 23 - ma., mar. 30
Multiple Airlines Logo
11:00 am - 5:40 pm
IAD
-
TMS
26h 40m
3 stops
Multiple Airlines Logo
1:10 pm - 8:55 am
TMS
-
IAD
47h 45m
3 stops
$2,015Multiple Airlines
ma., mar. 23 - ma., mar. 30
Multiple Airlines Logo
11:05 pm - 6:05 pm
IAD
-
TMS
39h 00m
2 stops
Multiple Airlines Logo
1:10 pm - 3:05 pm
TMS
-
IAD
29h 55m
2 stops
$5,258Multiple Airlines
ma., mar. 23 - ma., mar. 30

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, momondo users made 832,500 searches. Data last updated februar 24, 2026.
Use the filters below to find and compare flights from District of Columbia to São Tomé that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

ma. 3/23

9:50 pm-5:40 pm

2 stops15h 50m

Sao Tome Is

ma. 3/30

1:10 pm-8:55 am

3 stops47h 45m

$1,969

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

ma. 3/23

11:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

ma. 3/30

1:10 pm-8:55 am

3 stops47h 45m

$2,015

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

ma. 3/23

11:05 pm-6:05 pm

2 stops39h 00m

Sao Tome Is

ma. 3/30

1:10 pm-3:05 pm

2 stops29h 55m

$5,258

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap District of Columbia to São Tomé flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to São Tomé

Fastest flight time

63h 50m

Direct flights

None
The fastest flight from District of Columbia to São Tomé takes 63h 50m
There are no direct flights from District of Columbia to São Tomé. There are no popular flight routes from District of Columbia to São Tomé.
  • When did momondo last update prices for flights from District of Columbia to Sao Tome Is Airport?

    Prices for flights from District of Columbia to Sao Tome Is Airport refresh daily.

  • How old do you have to be to fly from District of Columbia to Sao Tome Is Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Sao Tome Is Airport.

  • What documentation or ID do you need to fly to Sao Tome Is Airport?

    The travel and health documents you'll need for your trip to Sao Tome Is Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sao Tome Is Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from District of Columbia to São Tomé?

    Search flight deals from District of Columbia to São Tomé. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from District of Columbia to São Tomé with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to São Tomé?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to São Tomé for you.

Can I find flights from District of Columbia to São Tomé with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to São Tomé flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to São Tomé?

momondo helps you find the best flight between District of Columbia and São Tomé by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to São Tomé right now. Can momondo alert me if prices change?

If you are simply researching potential flights to São Tomé, momondo offers a useful price alert feature which will track prices for flights to São Tomé from District of Columbia and alert you when they change.

An easier way to manage your São Tomé trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
to. 3/26
to. 4/2