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Flights to Sao Tome Is

$848 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 10/19. 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

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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.
TAP AIR PORTUGAL Logo
6:25 pm - 6:15 pm
IAD
-
TMS
19h 50m
2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 3:15 pm
TMS
-
IAD
24h 15m
2 stops
$1,996TAP AIR PORTUGAL
Sat, Oct 31 - Wed, Nov 4
TAP AIR PORTUGAL Logo
6:25 pm - 6:15 pm
IAD
-
TMS
19h 50m
2 stops
TAP AIR PORTUGAL Logo
8:00 pm - 7:19 am
TMS
-
IAD
40h 19m
3 stops
$2,190TAP AIR PORTUGAL
Sat, Oct 31 - Wed, Nov 4
Ethiopian Air Logo
11:00 pm - 5:40 pm
LAX
-
TMS
35h 40m
3 stops
Ethiopian Air Logo
7:00 am - 9:34 am
TMS
-
LAX
33h 34m
3 stops
$2,816Ethiopian Air
Sun, Aug 16 - Wed, Aug 19
Multiple Airlines Logo
8:15 am - 5:45 pm
LAX
-
TMS
50h 30m
3 stops
Multiple Airlines Logo
7:40 pm - 11:35 am
TMS
-
LAX
46h 55m
3 stops
$2,939Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
3:05 pm - 5:45 pm
LAX
-
TMS
43h 40m
3 stops
Multiple Airlines Logo
7:55 am - 4:30 pm
TMS
-
LAX
39h 35m
2 stops
$2,955Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
TAP AIR PORTUGAL Logo
8:15 am - 6:15 pm
IAD
-
TMS
30h 00m
3 stops
TAP AIR PORTUGAL Logo
8:00 pm - 7:19 am
TMS
-
IAD
40h 19m
3 stops
$3,059TAP AIR PORTUGAL
Sat, Oct 31 - Wed, Nov 4
Multiple Airlines Logo
1:25 pm - 5:25 am
LAX
-
TMS
57h 00m
2 stops
Multiple Airlines Logo
7:40 pm - 11:40 am
TMS
-
LAX
47h 00m
3 stops
$3,535Multiple Airlines
Sun, Aug 16 - Wed, Aug 19
Multiple Airlines Logo
8:10 pm - 5:25 am
LAX
-
TMS
50h 15m
2 stops
Multiple Airlines Logo
7:55 am - 10:30 am
TMS
-
LAX
33h 35m
2 stops
$4,058Multiple Airlines
Sun, Aug 16 - Wed, Aug 19
Multiple Airlines Logo
3:05 pm - 3:15 pm
LAX
-
TMS
41h 10m
2 stops
Multiple Airlines Logo
7:55 am - 3:15 pm
TMS
-
LAX
38h 20m
2 stops
$6,535Multiple Airlines
Wed, Jul 15 - Wed, Jul 22

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 June 17, 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
Quickest round-trip

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 10/31

6:25 pm-6:15 pm

2 stops19h 50m

Sao Tome Is

Wed 11/4

8:00 pm-3:15 pm

2 stops24h 15m

$1,996

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 10/31

6:25 pm-6:15 pm

2 stops19h 50m

Sao Tome Is

Wed 11/4

8:00 pm-7:19 am

3 stops40h 19m

$2,190

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Sun 8/16

11:00 pm-5:40 pm

3 stops35h 40m

Sao Tome Is

Wed 8/19

7:00 am-9:34 am

3 stops33h 34m

$2,816

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Wed 7/15

8:15 am-5:45 pm

3 stops50h 30m

Sao Tome Is

Wed 7/22

7:40 pm-11:35 am

3 stops46h 55m

$2,939

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Wed 7/15

3:05 pm-5:45 pm

3 stops43h 40m

Sao Tome Is

Wed 7/22

7:55 am-4:30 pm

2 stops39h 35m

$2,955

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Sat 10/31

8:15 am-6:15 pm

3 stops30h 00m

Sao Tome Is

Wed 11/4

8:00 pm-7:19 am

3 stops40h 19m

$3,059

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Sun 8/16

1:25 pm-5:25 am

2 stops57h 00m

Sao Tome Is

Wed 8/19

7:40 pm-11:40 am

3 stops47h 00m

$3,535

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Sun 8/16

8:10 pm-5:25 am

2 stops50h 15m

Sao Tome Is

Wed 8/19

7:55 am-10:30 am

2 stops33h 35m

$4,058

Los AngelesSão Tomé

LAX - TMS

LAXTMS

Los Angeles

Wed 7/15

3:05 pm-3:15 pm

2 stops41h 10m

Sao Tome Is

Wed 7/22

7:55 am-3:15 pm

2 stops38h 20m

$6,535
Cheapest one-way

Washington, D.C.São Tomé

IAD - TMS

IADTMS

Washington, D.C. Dulles Intl

Mon 10/19

5:00 pm-5:45 pm

3 stops44h 45m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 35h 40m 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 One-Way Price

$848

Best Round-Trip Price

$1,996

Fastest flight time

44h 45m
The best one-way flight price to São Tomé from United States in the last 5 days is $848 (Washington, D.C. Dulles Intl to Sao Tome Is).
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The best round-trip flight price to São Tomé from United States in the last 5 days is $1,996 (Washington, D.C. Dulles Intl to Sao Tome Is).
Search Deals
The fastest flight to São Tomé from United States takes 44h 45m (Washington, D.C. Dulles Intl 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 June 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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Find better results for your trip to São Tomé

Popular flights to São Tomé

Popular routes according to searches in the past day on momondo
Washington, D.C. to Sao Tome Is Flightsfrom $1,996
Los Angeles Los Angeles to Sao Tome Is Flightsfrom $2,816
Miami to Sao Tome Is Flightsfrom $2,606