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Cheap flights from the United States to São Tomé from $1,729

This is the cheapest round-trip 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 1/31. 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 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.
Multiple Airlines Logo
8:30 pm - 12:10 pm
IAD
-
TMS
34h 40m3 stops
Multiple Airlines Logo
1:10 pm - 8:54 pm
TMS
-
IAD
36h 44m3 stops
$1,729Multiple Airlines
Sat, Jan 31 - Wed, Feb 18
TAP AIR PORTUGAL Logo
5:30 pm - 6:05 pm
IAD
-
TMS
19h 35m2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 11:21 pm
TMS
-
IAD
32h 21m3 stops
$1,777TAP AIR PORTUGAL
Sat, Jan 31 - Wed, Feb 18
TAP AIR PORTUGAL Logo
8:23 am - 5:40 pm
IAD
-
TMS
29h 17m3 stops
TAP AIR PORTUGAL Logo
7:40 pm - 8:35 pm
TMS
-
IAD
28h 55m2 stops
$1,928TAP AIR PORTUGAL
Sat, Apr 18 - Wed, Apr 22
Multiple Airlines Logo
9:50 pm - 5:40 pm
IAD
-
TMS
15h 50m2 stops
Multiple Airlines Logo
1:10 pm - 8:55 am
TMS
-
IAD
47h 45m3 stops
$1,968Multiple Airlines
Mon, Mar 16 - Mon, Mar 30
Multiple Airlines Logo
11:00 am - 5:40 pm
IAD
-
TMS
26h 40m3 stops
Multiple Airlines Logo
1:10 pm - 8:55 am
TMS
-
IAD
47h 45m3 stops
$2,013Multiple Airlines
Mon, Mar 16 - Mon, Mar 30
Multiple Airlines Logo
10:00 am - 12:10 pm
IAD
-
TMS
45h 10m2 stops
Multiple Airlines Logo
7:00 am - 7:05 pm
TMS
-
IAD
17h 05m2 stops
$2,023Multiple Airlines
Sat, Jan 31 - Wed, Feb 18
TAP AIR PORTUGAL Logo
8:23 am - 5:40 pm
IAD
-
TMS
29h 17m3 stops
TAP AIR PORTUGAL Logo
7:40 pm - 9:04 pm
TMS
-
IAD
29h 24m3 stops
$2,122TAP AIR PORTUGAL
Sat, Apr 18 - Wed, Apr 22
TAP AIR PORTUGAL Logo
11:35 pm - 6:05 pm
MIA
-
TMS
37h 30m2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 3:50 pm
TMS
-
MIA
23h 50m2 stops
$2,832TAP AIR PORTUGAL
Wed, Mar 4 - Sun, Mar 8
TAP AIR PORTUGAL Logo
6:30 pm - 6:05 pm
MIA
-
TMS
42h 35m3 stops
TAP AIR PORTUGAL Logo
8:00 pm - 3:50 pm
TMS
-
MIA
23h 50m2 stops
$3,117TAP AIR PORTUGAL
Wed, Mar 4 - Sun, Mar 8
TAP AIR PORTUGAL Logo
6:30 pm - 6:05 pm
MIA
-
TMS
42h 35m3 stops
TAP AIR PORTUGAL Logo
8:00 pm - 11:59 pm
TMS
-
MIA
31h 59m3 stops
$3,407TAP AIR PORTUGAL
Wed, Mar 4 - Sun, Mar 8

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
Jan 31
IAD5:30 pmWashington, D.C. Dulles Intl
19h 35m
2 stops
TMS6:05 pmSao Tome Is
Feb 18
TMS8:00 pmSao Tome Is
32h 21m
3 stops
IAD11:21 pmWashington, D.C. Dulles Intl
$1,777
Find similar
TAP AIR PORTUGAL
Apr 18
IAD8:23 amWashington, D.C. Dulles Intl
29h 17m
3 stops
TMS5:40 pmSao Tome Is
Apr 22
TMS7:40 pmSao Tome Is
28h 55m
2 stops
IAD8:35 pmWashington, D.C. Dulles Intl
$1,928
Find similar
TAP AIR PORTUGAL
Apr 18
IAD8:23 amWashington, D.C. Dulles Intl
29h 17m
3 stops
TMS5:40 pmSao Tome Is
Apr 22
TMS7:40 pmSao Tome Is
29h 24m
3 stops
IAD9:04 pmWashington, D.C. Dulles Intl
$2,122
Find similar

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 December 23, 2025.
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

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 1/31

8:30 pm-12:10 pm

3 stops34h 40m

Sao Tome Is

Wed 2/18

1:10 pm-8:54 pm

3 stops36h 44m

$1,729

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 1/31

5:30 pm-6:05 pm

2 stops19h 35m

Sao Tome Is

Wed 2/18

8:00 pm-11:21 pm

3 stops32h 21m

$1,777

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 4/18

8:23 am-5:40 pm

3 stops29h 17m

Sao Tome Is

Wed 4/22

7:40 pm-8:35 pm

2 stops28h 55m

$1,928

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 3/16

9:50 pm-5:40 pm

2 stops15h 50m

Sao Tome Is

Mon 3/30

1:10 pm-8:55 am

3 stops47h 45m

$1,968

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 3/16

11:00 am-5:40 pm

3 stops26h 40m

Sao Tome Is

Mon 3/30

1:10 pm-8:55 am

3 stops47h 45m

$2,013

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 1/31

10:00 am-12:10 pm

2 stops45h 10m

Sao Tome Is

Wed 2/18

7:00 am-7:05 pm

2 stops17h 05m

$2,023

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 4/18

8:23 am-5:40 pm

3 stops29h 17m

Sao Tome Is

Wed 4/22

7:40 pm-9:04 pm

3 stops29h 24m

$2,122

MiamiSão Tomé

MIA - TMS

MIATMS

Miami

Wed 3/4

11:35 pm-6:05 pm

2 stops37h 30m

Sao Tome Is

Sun 3/8

8:00 pm-3:50 pm

2 stops23h 50m

$2,832

MiamiSão Tomé

MIA - TMS

MIATMS

Miami

Wed 3/4

6:30 pm-6:05 pm

3 stops42h 35m

Sao Tome Is

Sun 3/8

8:00 pm-3:50 pm

2 stops23h 50m

$3,117

MiamiSão Tomé

MIA - TMS

MIATMS

Miami

Wed 3/4

6:30 pm-6:05 pm

3 stops42h 35m

Sao Tome Is

Sun 3/8

8:00 pm-11:59 pm

3 stops31h 59m

$3,407

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to São Tomé from

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

15h 50m

Direct flights

None
The fastest flight from United States to São Tomé takes 15h 50m
There are no direct flights from United States to São Tomé. There are no popular flight routes from United States to São Tomé.
Search flight deals

  • 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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