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Cheap flights from District of Columbia to São Tomé from $1,179

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 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from District of Columbia to São Tomé

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
5:25 pm - 6:15 pm
IAD
-
TMS
19h 50m
2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 3:15 pm
TMS
-
IAD
24h 15m
2 stops
$1,179TAP AIR PORTUGAL
Sat, Nov 7 - Fri, Nov 13
TAP AIR PORTUGAL Logo
5:20 pm - 6:15 pm
IAD
-
TMS
43h 55m
3 stops
TAP AIR PORTUGAL Logo
8:00 pm - 3:15 pm
TMS
-
IAD
24h 15m
2 stops
$1,733TAP AIR PORTUGAL
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
10:10 pm - 6:15 pm
IAD
-
TMS
63h 05m
3 stops
Multiple Airlines Logo
10:25 pm - 3:50 pm
TMS
-
IAD
46h 25m
2 stops
$1,777Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
TAP AIR PORTUGAL Logo
5:25 pm - 6:15 pm
IAD
-
TMS
19h 50m
2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 7:19 am
TMS
-
IAD
40h 19m
3 stops
$1,782TAP AIR PORTUGAL
Sat, Nov 7 - Fri, Nov 13
Turkish Airlines Logo
9:20 pm - 6:15 pm
IAD
-
TMS
39h 55m
3 stops
Turkish Airlines Logo
8:00 pm - 11:45 am
TMS
-
IAD
44h 45m
3 stops
$1,832Turkish Airlines
Mon, Nov 9 - Fri, Nov 13
Turkish Airlines Logo
9:20 pm - 6:15 pm
IAD
-
TMS
63h 55m
3 stops
Turkish Airlines Logo
8:00 pm - 11:45 am
TMS
-
IAD
44h 45m
3 stops
$1,839Turkish Airlines
Sun, Nov 8 - Fri, Nov 13
Multiple Airlines Logo
10:10 pm - 6:15 pm
IAD
-
TMS
63h 05m
3 stops
Multiple Airlines Logo
10:25 pm - 3:30 pm
TMS
-
IAD
22h 05m
1 stop
$1,868Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
TAP AIR PORTUGAL Logo
5:45 pm - 5:45 pm
IAD
-
TMS
20h 00m
2 stops
TAP AIR PORTUGAL Logo
7:40 pm - 8:35 pm
TMS
-
IAD
28h 55m
2 stops
$1,957TAP AIR PORTUGAL
Thu, Oct 8 - Sun, Oct 11
TAP AIR PORTUGAL Logo
5:20 pm - 6:15 pm
IAD
-
TMS
43h 55m
3 stops
TAP AIR PORTUGAL Logo
10:25 pm - 8:35 pm
TMS
-
IAD
27h 10m
1 stop
$2,147TAP AIR PORTUGAL
Mon, Nov 9 - Sat, Nov 14
TAP AIR PORTUGAL Logo
5:45 pm - 5:45 pm
IAD
-
TMS
20h 00m
2 stops
TAP AIR PORTUGAL Logo
7:40 pm - 10:59 pm
TMS
-
IAD
31h 19m
3 stops
$2,150TAP AIR PORTUGAL
Thu, Oct 8 - Sun, Oct 11

TAP AIR PORTUGAL flights from District of Columbia to São Tomé

Our best TAP AIR PORTUGAL deals on District of Columbia to São Tomé flight tickets
TAP AIR PORTUGAL
Nov 7
IAD5:25 pmWashington, D.C. Dulles Intl
19h 50m
2 stops
TMS6:15 pmSao Tome Is
Nov 13
TMS8:00 pmSao Tome Is
24h 15m
2 stops
IAD3:15 pmWashington, D.C. Dulles Intl
$1,179
TAP AIR PORTUGAL
Nov 9
IAD5:20 pmWashington, D.C. Dulles Intl
43h 55m
3 stops
TMS6:15 pmSao Tome Is
Nov 15
TMS8:00 pmSao Tome Is
24h 15m
2 stops
IAD3:15 pmWashington, D.C. Dulles Intl
$1,733
TAP AIR PORTUGAL
Nov 7
IAD5:25 pmWashington, D.C. Dulles Intl
19h 50m
2 stops
TMS6:15 pmSao Tome Is
Nov 13
TMS8:00 pmSao Tome Is
40h 19m
3 stops
IAD7:19 amWashington, D.C. Dulles Intl
$1,782

Turkish Airlines flights from District of Columbia to São Tomé

Our best Turkish Airlines deals on District of Columbia to São Tomé flight tickets
Turkish Airlines
Nov 9
IAD9:20 pmWashington, D.C. Dulles Intl
39h 55m
3 stops
TMS6:15 pmSao Tome Is
Nov 13
TMS8:00 pmSao Tome Is
44h 45m
3 stops
IAD11:45 amWashington, D.C. Dulles Intl
$1,832
Turkish Airlines
Nov 8
IAD9:20 pmWashington, D.C. Dulles Intl
63h 55m
3 stops
TMS6:15 pmSao Tome Is
Nov 13
TMS8:00 pmSao Tome Is
44h 45m
3 stops
IAD11:45 amWashington, D.C. Dulles Intl
$1,839

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 June 3, 2026.
Use the filters below to find and compare flights from District of Columbia to São Tomé that are best for you.

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 11/7

5:25 pm-6:15 pm

2 stops19h 50m

Sao Tome Is

Fri 11/13

8:00 pm-3:15 pm

2 stops24h 15m

$1,179

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 11/9

5:20 pm-6:15 pm

3 stops43h 55m

Sao Tome Is

Sun 11/15

8:00 pm-3:15 pm

2 stops24h 15m

$1,733

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/8

10:10 pm-6:15 pm

3 stops63h 05m

Sao Tome Is

Sat 11/14

10:25 pm-3:50 pm

2 stops46h 25m

$1,777

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 11/7

5:25 pm-6:15 pm

2 stops19h 50m

Sao Tome Is

Fri 11/13

8:00 pm-7:19 am

3 stops40h 19m

$1,782

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 11/9

9:20 pm-6:15 pm

3 stops39h 55m

Sao Tome Is

Fri 11/13

8:00 pm-11:45 am

3 stops44h 45m

$1,832

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/8

9:20 pm-6:15 pm

3 stops63h 55m

Sao Tome Is

Fri 11/13

8:00 pm-11:45 am

3 stops44h 45m

$1,839

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sun 11/8

10:10 pm-6:15 pm

3 stops63h 05m

Sao Tome Is

Sat 11/14

10:25 pm-3:30 pm

1 stop22h 05m

$1,868

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Thu 10/8

5:45 pm-5:45 pm

2 stops20h 00m

Sao Tome Is

Sun 10/11

7:40 pm-8:35 pm

2 stops28h 55m

$1,957

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 11/9

5:20 pm-6:15 pm

3 stops43h 55m

Sao Tome Is

Sat 11/14

10:25 pm-8:35 pm

1 stop27h 10m

$2,147

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Thu 10/8

5:45 pm-5:45 pm

2 stops20h 00m

Sao Tome Is

Sun 10/11

7:40 pm-10:59 pm

3 stops31h 19m

$2,150

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

20h 00m

Direct flights

None
The fastest flight from District of Columbia to São Tomé takes 20h 00m
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.
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Frequently asked questions about flying 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.

Frequently asked questions about flying from District of Columbia to São Tomé

  • 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.

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