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Cheap flights from the United States to São Tomé from $1,207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to São Tomé departing on 7/28. 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
1 adult, Economy, 0 bags

Find the cheapest flights from the United States to São Tomé

Recent round-trip flight deals from the United States to São Tomé

Enter your travel dates to find the best prices.
Ethiopian Air Logo
10:55 am - 5:40 pm
IAD
-
TMS
26h 45m
2 stops
Ethiopian Air Logo
7:00 am - 8:55 am
TMS
-
IAD
29h 55m
4 stops
$2,831Ethiopian Air
Tue, Jul 7 - Sun, Jul 19
Multiple Airlines Logo
10:55 am - 5:40 pm
IAD
-
TMS
26h 45m
2 stops
Multiple Airlines Logo
7:00 am - 8:55 am
TMS
-
IAD
29h 55m
3 stops
$2,849Multiple Airlines
Tue, Jul 7 - Thu, Jul 16
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
$2,882Ethiopian Air
Fri, Jul 3 - Sun, Jul 19
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
$2,894Ethiopian Air
Tue, Jul 7 - Thu, Jul 16
Ethiopian Air Logo
9:40 pm - 5:40 pm
IAD
-
TMS
40h 00m
3 stops
Ethiopian Air Logo
7:00 am - 8:55 am
TMS
-
IAD
29h 55m
4 stops
$2,986Ethiopian Air
Mon, Jul 6 - Sun, Jul 19
Multiple Airlines Logo
9:40 pm - 5:40 pm
IAD
-
TMS
40h 00m
3 stops
Multiple Airlines Logo
4:15 pm - 8:55 am
TMS
-
IAD
44h 40m
3 stops
$3,070Multiple Airlines
Mon, Jul 6 - Fri, Jul 17
Multiple Airlines Logo
9:00 pm - 5:40 pm
IAD
-
TMS
40h 40m
2 stops
Multiple Airlines Logo
7:40 pm - 3:10 pm
TMS
-
IAD
23h 30m
2 stops
$3,118Multiple Airlines
Thu, Jul 9 - Wed, Jul 15
Multiple Airlines Logo
9:40 pm - 5:40 pm
IAD
-
TMS
40h 00m
3 stops
Multiple Airlines Logo
4:15 pm - 7:45 pm
TMS
-
IAD
31h 30m
2 stops
$3,173Multiple Airlines
Mon, Jul 6 - Fri, Jul 17
Multiple Airlines Logo
10:55 am - 5:45 pm
IAD
-
TMS
26h 50m
2 stops
Multiple Airlines Logo
7:55 am - 3:10 pm
TMS
-
IAD
35h 15m
1 stop
$3,345Multiple Airlines
Tue, Jul 7 - Wed, Jul 15
TAP AIR PORTUGAL Logo
6:00 am - 5:45 pm
LAX
-
TMS
28h 45m
3 stops
TAP AIR PORTUGAL Logo
9:35 pm - 1:30 pm
TMS
-
LAX
22h 55m
1 stop
$16,431TAP AIR PORTUGAL
Sat, Aug 1 - Sat, Aug 8

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TAP AIR PORTUGAL flights from United States to São Tomé

Our best TAP AIR PORTUGAL deals on United States to São Tomé flight tickets
TAP AIR PORTUGAL
Jul 3
IAD12:35 pmWashington, D.C. Dulles Intl
24h 50m
2 stops
TMS5:25 pmSao Tome Is
Jul 15
TMS7:55 amSao Tome Is
35h 15m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$3,861
TAP AIR PORTUGAL
Jul 9
IAD10:35 pmWashington, D.C. Dulles Intl
38h 50m
1 stop
TMS5:25 pmSao Tome Is
Jul 18
TMS9:35 pmSao Tome Is
27h 00m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$4,508
TAP AIR PORTUGAL
Jul 3
IAD5:05 pmWashington, D.C. Dulles Intl
20h 20m
1 stop
TMS5:25 pmSao Tome Is
Jul 15
TMS7:55 amSao Tome Is
35h 15m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$4,551

Ethiopian Air flights from United States to São Tomé

Our best Ethiopian Air deals on United States to São Tomé flight tickets
Ethiopian Air
Jul 7
IAD10:55 amWashington, D.C. Dulles Intl
26h 45m
2 stops
TMS5:40 pmSao Tome Is
Jul 19
TMS7:00 amSao Tome Is
29h 55m
4 stops
IAD8:55 amWashington, D.C. Dulles Intl
$2,831
Ethiopian Air
Jul 3
IAD10:55 amWashington, D.C. Dulles Intl
26h 45m
3 stops
TMS5:40 pmSao Tome Is
Jul 19
TMS7:00 amSao Tome Is
29h 55m
4 stops
IAD8:55 amWashington, D.C. Dulles Intl
$2,882
Ethiopian Air
Jul 7
IAD10:55 amWashington, D.C. Dulles Intl
26h 45m
3 stops
TMS5:40 pmSao Tome Is
Jul 16
TMS7:00 amSao Tome Is
29h 55m
4 stops
IAD8:55 amWashington, D.C. Dulles Intl
$2,894

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 27, 2026.
Use the filters below to find and compare flights from the United States to São Tomé that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-5:40 pm

2 stops26h 45m

Sao Tome Is

Sun 7/19

7:00 am-8:55 am

4 stops29h 55m

$2,831

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-5:40 pm

2 stops26h 45m

Sao Tome Is

Thu 7/16

7:00 am-8:55 am

3 stops29h 55m

$2,849

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Fri 7/3

10:55 am-5:40 pm

3 stops26h 45m

Sao Tome Is

Sun 7/19

7:00 am-8:55 am

4 stops29h 55m

$2,882

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-5:40 pm

3 stops26h 45m

Sao Tome Is

Thu 7/16

7:00 am-8:55 am

4 stops29h 55m

$2,894

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 7/6

9:40 pm-5:40 pm

3 stops40h 00m

Sao Tome Is

Sun 7/19

7:00 am-8:55 am

4 stops29h 55m

$2,986

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 7/6

9:40 pm-5:40 pm

3 stops40h 00m

Sao Tome Is

Fri 7/17

4:15 pm-8:55 am

3 stops44h 40m

$3,070

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Thu 7/9

9:00 pm-5:40 pm

2 stops40h 40m

Sao Tome Is

Wed 7/15

7:40 pm-3:10 pm

2 stops23h 30m

$3,118

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 7/6

9:40 pm-5:40 pm

3 stops40h 00m

Sao Tome Is

Fri 7/17

4:15 pm-7:45 pm

2 stops31h 30m

$3,173

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-5:45 pm

2 stops26h 50m

Sao Tome Is

Wed 7/15

7:55 am-3:10 pm

1 stop35h 15m

$3,345
Quickest round-trip

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles Los Angeles

Sat 8/1

6:00 am-5:45 pm

3 stops28h 45m

Sao Tome Is

Sat 8/8

9:35 pm-1:30 pm

1 stop22h 55m

$16,431

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from United States to São Tomé

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

Can stopping save me money on United States to São Tomé flights?

You could potentially save up to 19% on your flight if you consider stops on a United States to São Tomé flight.

Cheap United States to São Tomé flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to São Tomé

Fastest flight time

26h 05m

Direct flights

None
The fastest flight from United States to São Tomé takes 26h 05m
There are no direct flights from United States to São Tomé. There are no popular flight routes from United States to São Tomé.
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Frequently asked questions about flying from the United States to São Tomé

  • When did momondo last update prices for flights from United States to Sao Tome Is Airport?

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

  • How old do you have to be to fly from United States 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 United States 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.

Why use momondo?

Why should I use momondo to find a flight deal from United States 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 United States to São Tomé for you.

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

Yes. All flights to São Tomé from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to São Tomé?

momondo helps you find the best flight between United States 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 United States to São Tomé right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United States to São Tomé flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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