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Flights to Sao Tome Is

$1,993 Cheap flights to São Tomé

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to São Tomé departing on 6/17. 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
5:30 pm - 5:45 pm
IAD
-
TMS
44h 15m
3 stops
Multiple Airlines Logo
7:40 pm - 7:01 pm
TMS
-
IAD
27h 21m
3 stops
$1,993Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
5:30 pm - 5:45 pm
IAD
-
TMS
44h 15m
3 stops
Multiple Airlines Logo
7:40 pm - 3:15 pm
TMS
-
IAD
23h 35m
2 stops
$2,010Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
5:40 pm - 5:45 pm
IAD
-
TMS
44h 05m
3 stops
Multiple Airlines Logo
7:40 pm - 7:01 pm
TMS
-
IAD
27h 21m
3 stops
$2,087Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
5:40 pm - 5:45 pm
IAD
-
TMS
44h 05m
3 stops
Multiple Airlines Logo
7:40 pm - 3:15 pm
TMS
-
IAD
23h 35m
2 stops
$2,105Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
10:20 pm - 5:25 pm
IAD
-
TMS
63h 05m
2 stops
Multiple Airlines Logo
7:40 pm - 3:15 pm
TMS
-
IAD
23h 35m
2 stops
$2,448Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
TAP AIR PORTUGAL Logo
10:35 pm - 5:45 pm
IAD
-
TMS
39h 10m
2 stops
TAP AIR PORTUGAL Logo
7:40 pm - 3:10 pm
TMS
-
IAD
23h 30m
2 stops
$2,576TAP AIR PORTUGAL
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
8:05 am - 5:45 pm
MIA
-
TMS
29h 40m
2 stops
Multiple Airlines Logo
7:40 pm - 8:50 pm
TMS
-
MIA
29h 10m
3 stops
$2,707Multiple Airlines
Sat, May 30 - Wed, Jun 10
Ethiopian Air Logo
10:55 am - 5:40 pm
IAD
-
TMS
26h 45m
3 stops
Ethiopian Air Logo
7:00 am - 8:55 am
TMS
-
IAD
29h 55m
4 stops
$2,839Ethiopian Air
Wed, Jun 17 - Wed, Jun 24
Ethiopian Air Logo
10:55 am - 5:40 pm
IAD
-
TMS
26h 45m
3 stops
Ethiopian Air Logo
7:00 am - 8:55 am
TMS
-
IAD
29h 55m
4 stops
$2,840Ethiopian Air
Wed, Jun 17 - Wed, Jun 24
TAP AIR PORTUGAL Logo
4:30 pm - 5:45 pm
MIA
-
TMS
21h 15m
1 stop
TAP AIR PORTUGAL Logo
7:40 pm - 2:35 pm
TMS
-
MIA
22h 55m
2 stops
$3,142TAP AIR PORTUGAL
Sat, May 30 - Wed, Jun 10

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 April 18, 2026.
Use the filters below to find and compare flights to São Tomé that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

5:30 pm-5:45 pm

3 stops44h 15m

Sao Tome Is

Wed 6/24

7:40 pm-7:01 pm

3 stops27h 21m

$1,993

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

5:30 pm-5:45 pm

3 stops44h 15m

Sao Tome Is

Wed 6/24

7:40 pm-3:15 pm

2 stops23h 35m

$2,010

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

5:40 pm-5:45 pm

3 stops44h 05m

Sao Tome Is

Wed 6/24

7:40 pm-7:01 pm

3 stops27h 21m

$2,087

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

5:40 pm-5:45 pm

3 stops44h 05m

Sao Tome Is

Wed 6/24

7:40 pm-3:15 pm

2 stops23h 35m

$2,105

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

10:20 pm-5:25 pm

2 stops63h 05m

Sao Tome Is

Wed 6/24

7:40 pm-3:15 pm

2 stops23h 35m

$2,448

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

10:35 pm-5:45 pm

2 stops39h 10m

Sao Tome Is

Wed 6/24

7:40 pm-3:10 pm

2 stops23h 30m

$2,576

MiamiSão Tomé

MIA - TMS

MIATMS

Miami

Sat 5/30

8:05 am-5:45 pm

2 stops29h 40m

Sao Tome Is

Wed 6/10

7:40 pm-8:50 pm

3 stops29h 10m

$2,707

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

10:55 am-5:40 pm

3 stops26h 45m

Sao Tome Is

Wed 6/24

7:00 am-8:55 am

4 stops29h 55m

$2,839

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Wed 6/17

10:55 am-5:40 pm

3 stops26h 45m

Sao Tome Is

Wed 6/24

7:00 am-8:55 am

4 stops29h 55m

$2,840
Quickest round-trip

MiamiSão Tomé

MIA - TMS

MIATMS

Miami

Sat 5/30

4:30 pm-5:45 pm

1 stop21h 15m

Sao Tome Is

Wed 6/10

7:40 pm-2:35 pm

2 stops22h 55m

$3,142

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 27h 45m on average. On the other hand, flying from San Francisco to Sao Tome Is takes 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 Round-Trip Price

$1,993

Fastest flight time

29h 40m
The best round-trip flight price to São Tomé from United States in the last 72 hours is $1,993 (Washington, D.C. Dulles Intl to Sao Tome Is).
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The fastest flight to São Tomé from United States takes 29h 40m (Miami to Sao Tome Is).
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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 April 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 $1,993
Miami to Sao Tome Is Flightsfrom $2,631
Los Angeles to Sao Tome Is Flightsfrom $2,094