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Flights to Sao Tome Is

$584 Cheap flights to São Tomé

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to São Tomé departing on 5/6. 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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0 bags

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Find the cheapest flights from the United States to São Tomé

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 pm - 6:05 pm
IAD
-
TMS
39h 05m
3 stops
Multiple Airlines Logo
8:00 pm - 3:30 pm
TMS
-
IAD
24h 30m
2 stops
$1,632Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
5:45 pm - 6:05 pm
IAD
-
TMS
43h 20m
3 stops
Multiple Airlines Logo
8:00 pm - 8:54 pm
TMS
-
IAD
29h 54m
3 stops
$1,646Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
8:50 pm - 5:40 pm
IAD
-
TMS
15h 50m
2 stops
Multiple Airlines Logo
7:00 am - 7:05 pm
TMS
-
IAD
17h 05m
2 stops
$1,701Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Ethiopian Air Logo
10:00 am - 5:40 pm
IAD
-
TMS
26h 40m
3 stops
Ethiopian Air Logo
7:00 am - 8:00 am
TMS
-
IAD
30h 00m
4 stops
$1,766Ethiopian Air
Wed, Feb 18 - Wed, Feb 25
TAP AIR PORTUGAL Logo
6:30 pm - 6:05 pm
IAD
-
TMS
19h 35m
2 stops
TAP AIR PORTUGAL Logo
10:25 pm - 7:18 am
TMS
-
IAD
36h 53m
2 stops
$2,086TAP AIR PORTUGAL
Sat, Mar 14 - Sat, Mar 21
TAP AIR PORTUGAL Logo
6:30 pm - 6:05 pm
IAD
-
TMS
19h 35m
2 stops
TAP AIR PORTUGAL Logo
10:25 pm - 10:00 pm
TMS
-
IAD
27h 35m
1 stop
$2,092TAP AIR PORTUGAL
Sat, Mar 14 - Sat, Mar 21
Multiple Airlines Logo
8:50 pm - 5:40 pm
IAD
-
TMS
15h 50m
2 stops
Multiple Airlines Logo
8:00 pm - 3:15 pm
TMS
-
IAD
24h 15m
1 stop
$2,356Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
7:40 pm - 12:10 pm
BWI
-
TMS
35h 30m
3 stops
Multiple Airlines Logo
8:00 pm - 6:40 pm
TMS
-
BWI
27h 40m
3 stops
$2,399Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
10:00 pm - 12:10 pm
IAD
-
TMS
34h 10m
3 stops
Multiple Airlines Logo
10:25 pm - 8:54 pm
TMS
-
IAD
26h 29m
3 stops
$2,809Multiple Airlines
Sat, Mar 14 - Sat, Mar 21
Multiple Airlines Logo
10:00 pm - 12:10 pm
IAD
-
TMS
34h 10m
3 stops
Multiple Airlines Logo
10:25 pm - 8:26 pm
TMS
-
IAD
26h 01m
2 stops
$3,016Multiple Airlines
Sat, Mar 14 - Sat, Mar 21

momondo Fare Finder

 
Locate flights to Sao Tome Is that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on January 29, 2026.
Use the filters below to find and compare flights to São Tomé that are best for you.

Fly from

Route

Depart

Return

Price

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 2/18

10:00 pm-6:05 pm

3 stops39h 05m

Sao Tome Is

Wed 2/25

8:00 pm-3:30 pm

2 stops24h 30m

$1,632

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 2/18

5:45 pm-6:05 pm

3 stops43h 20m

Sao Tome Is

Wed 2/25

8:00 pm-8:54 pm

3 stops29h 54m

$1,646

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 2/18

8:50 pm-5:40 pm

2 stops15h 50m

Sao Tome Is

Wed 2/25

7:00 am-7:05 pm

2 stops17h 05m

$1,701

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 2/18

10:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

Wed 2/25

7:00 am-8:00 am

4 stops30h 00m

$1,766

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 3/14

6:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Sat 3/21

10:25 pm-7:18 am

2 stops36h 53m

$2,086

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 3/14

6:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Sat 3/21

10:25 pm-10:00 pm

1 stop27h 35m

$2,092

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 2/18

8:50 pm-5:40 pm

2 stops15h 50m

Sao Tome Is

Wed 2/25

8:00 pm-3:15 pm

1 stop24h 15m

$2,356

BaltimoreSão Tomé

BWI - TMS

BWITMS

Baltimore/Washington

Wed 2/18

7:40 pm-12:10 pm

3 stops35h 30m

Sao Tome Is

Wed 2/25

8:00 pm-6:40 pm

3 stops27h 40m

$2,399

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 3/14

10:00 pm-12:10 pm

3 stops34h 10m

Sao Tome Is

Sat 3/21

10:25 pm-8:54 pm

3 stops26h 29m

$2,809

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 3/14

10:00 pm-12:10 pm

3 stops34h 10m

Sao Tome Is

Sat 3/21

10:25 pm-8:26 pm

2 stops26h 01m

$3,016

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to São Tomé from

São Tomé flights insights and trends

Explore insights for your São Tomé flight to craft the best travel plan

How long does it take to fly to São Tomé?

Flight times vary depending on what airport in United States you fly out of and what airport in São Tomé you fly into. For example, flying from Los Angeles to Sao Tome Is takes 62h 55m on average. On the other hand, flying from Miami to Sao Tome Is takes 20h 30m 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 São Tomé flight deals and tips

Summary info about São Tomé flight prices, duration and airlines

Best One-Way Price

$584

Best Round-Trip Price

$1,632

Fastest flight time

39h 10m
The best one-way flight price to São Tomé from United States in the last 72 hours is $584 (Miami to Sao Tome Is).
Search Deals
The best round-trip flight price to São Tomé from United States in the last 72 hours is $1,632 (Washington, D.C. Dulles Intl to Sao Tome Is).
Search Deals
The fastest flight to São Tomé from United States takes 39h 10m (Miami to Sao Tome Is).
Search Deals

Frequently asked questions about flying to São Tomé

When did momondo last update prices for flights to Sao Tome Is Airport?

Prices for flights to Sao Tome Is Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Sao Tome Is Airport?

There are 4 operators available for flights to Sao Tome Is Airport as of January 2026.

How old do you have to be to fly 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 to Sao Tome Is Airport.

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

The travel and health documents required for your trip to Sao Tome Is Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sao Tome Is Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal 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 for you.

Can I find flights to São Tomé with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to São Tomé with this policy.

How can momondo help me find flights to São Tomé?

momondo provides multiple filters to help you find the best flight to São Tomé. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight 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 and alert you when they change.

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Popular flights to São Tomé

Popular routes according to searches in the past day on momondo
Washington, D.C. to Sao Tome Is Flightsfrom $1,424
Miami to Sao Tome Is Flightsfrom $1,921
Los Angeles to Sao Tome Is Flightsfrom $2,589