When did momondo last update prices for flights from Washington, D.C. to São Tomé and Príncipe?

Prices for flights from Washington, D.C. to São Tomé and Príncipe are updated daily.

How old do you have to be to fly from Washington, D.C. to São Tomé and Príncipe?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to São Tomé and Príncipe.

What documentation or ID do you need to fly to São Tomé and Príncipe?

The required travel and health documents for your São Tomé and Príncipe trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at São Tomé and Príncipe. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,179 Cheap Flights from Washington, D.C. to São Tomé and Príncipe in 2026

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Find the cheapest flights from Washington, D.C. to São Tomé and Príncipe

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 6:15 pm

IAD

TMS

19h 50m

2 stops

8:00 pm - 3:15 pm

TMS

IAD

24h 15m

2 stops

$1,179TAP AIR PORTUGAL

Sat, Nov 7 - Fri, Nov 13

5:20 pm - 6:15 pm

IAD

TMS

43h 55m

3 stops

8:00 pm - 3:15 pm

TMS

IAD

24h 15m

2 stops

$1,733TAP AIR PORTUGAL

Mon, Nov 9 - Sun, Nov 15

10:10 pm - 6:15 pm

IAD

TMS

63h 05m

3 stops

10:25 pm - 3:50 pm

TMS

IAD

46h 25m

2 stops

$1,777Multiple Airlines

Sun, Nov 8 - Sat, Nov 14

5:25 pm - 6:15 pm

IAD

TMS

19h 50m

2 stops

8:00 pm - 7:19 am

TMS

IAD

40h 19m

3 stops

$1,782TAP AIR PORTUGAL

Sat, Nov 7 - Fri, Nov 13

9:20 pm - 6:15 pm

IAD

TMS

39h 55m

3 stops

8:00 pm - 11:45 am

TMS

IAD

44h 45m

3 stops

$1,832Turkish Airlines

Mon, Nov 9 - Fri, Nov 13

9:20 pm - 6:15 pm

IAD

TMS

63h 55m

3 stops

8:00 pm - 11:45 am

TMS

IAD

44h 45m

3 stops

$1,839Turkish Airlines

Sun, Nov 8 - Fri, Nov 13

10:10 pm - 6:15 pm

IAD

TMS

63h 05m

3 stops

10:25 pm - 3:30 pm

TMS

IAD

22h 05m

1 stop

$1,868Multiple Airlines

Sun, Nov 8 - Sat, Nov 14

5:45 pm - 5:45 pm

IAD

TMS

20h 00m

2 stops

7:40 pm - 8:35 pm

TMS

IAD

28h 55m

2 stops

$1,956TAP AIR PORTUGAL

Thu, Oct 8 - Sun, Oct 11

5:45 pm - 5:45 pm

IAD

TMS

20h 00m

2 stops

7:40 pm - 8:35 pm

TMS

IAD

28h 55m

2 stops

$1,957TAP AIR PORTUGAL

Thu, Oct 8 - Sun, Oct 11

5:20 pm - 6:15 pm

IAD

TMS

43h 55m

3 stops

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 flights from Washington, D.C. to São Tomé and Príncipe

Our best TAP AIR PORTUGAL deals on Washington, D.C. to São Tomé and Príncipe 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

Ethiopian Air flights from Washington, D.C. to São Tomé and Príncipe

Our best Ethiopian Air deals on Washington, D.C. to São Tomé and Príncipe flight tickets

Ethiopian Air

Nov 9

IAD10:00 amWashington, D.C. Dulles Intl

26h 40m

3 stops

TMS5:40 pmSao Tome Is

Nov 13

TMS7:00 amSao Tome Is

30h 00m

4 stops

IAD8:00 amWashington, D.C. Dulles Intl

$2,198

Ethiopian Air

Aug 3

IAD9:20 pmWashington, D.C. Dulles Intl

16h 20m

2 stops

TMS5:40 pmSao Tome Is

Aug 7

TMS7:00 amSao Tome Is

29h 55m

4 stops

IAD8:55 amWashington, D.C. Dulles Intl

$2,961

Ethiopian Air

Jul 13

IAD10:55 amWashington, D.C. Dulles Intl

26h 45m

3 stops

TMS5:40 pmSao Tome Is

Jul 17

TMS7:00 amSao Tome Is

29h 55m

4 stops

IAD8:55 amWashington, D.C. Dulles Intl

$2,976

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to São Tomé and Príncipe that are best for you.

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Route

Depart

Return

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

$1,956

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

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to São Tomé and Príncipe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long is the flight from Washington, D.C. to São Tomé and Príncipe?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in São Tomé and Príncipe you fly into. For example, flying from Washington, D.C. to São Tomé takes 20h on average. On the other hand, flying from Baltimore to São Tomé takes 34h 35m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Cheap Washington, D.C. to São Tomé and Príncipe flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to São Tomé and Príncipe

Fastest flight time	20h 00m
Direct flights	None

The fastest flight from Washington, D.C. to São Tomé and Príncipe takes 20h 00m

There are no direct flights from Washington, D.C. to São Tomé and Príncipe. There are no popular flight routes from Washington, D.C. to São Tomé and Príncipe.

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Frequently asked questions about flying from Washington, D.C. to São Tomé and Príncipe

When did momondo last update prices for flights from Washington, D.C. to São Tomé and Príncipe?
Prices for flights from Washington, D.C. to São Tomé and Príncipe are updated daily.
How old do you have to be to fly from Washington, D.C. to São Tomé and Príncipe?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to São Tomé and Príncipe.
What documentation or ID do you need to fly to São Tomé and Príncipe?
The required travel and health documents for your São Tomé and Príncipe trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at São Tomé and Príncipe. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to São Tomé and Príncipe?

It is quick and easy to find Washington, D.C. to São Tomé and Príncipe flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to São Tomé and Príncipe that suits you.

Can I find flights from Washington, D.C. to São Tomé and Príncipe with flexible booking policies on momondo?

All flight searches from Washington, D.C. to São Tomé and Príncipe on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to São Tomé and Príncipe?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to São Tomé and Príncipe from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to São Tomé and Príncipe right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to São Tomé and Príncipe from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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TAP AIR PORTUGAL flights from Washington, D.C. to São Tomé and Príncipe

Our best TAP AIR PORTUGAL deals on Washington, D.C. to São Tomé and Príncipe flight tickets

Ethiopian Air flights from Washington, D.C. to São Tomé and Príncipe

Our best Ethiopian Air deals on Washington, D.C. to São Tomé and Príncipe flight tickets

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Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to São Tomé and Príncipe

Why use momondo?

An easier way to manage your São Tomé and Príncipe 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.

Find better results for your trip to São Tomé and Príncipe

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