Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Sao Tome Is

$1,432 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 8/27. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
10:35 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
39h 10m2 stops Lisbon Humberto Delgado Accra Kotoka
TAP AIR PORTUGAL Logo
7:55 am - 8:35 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
16h 40m1 stop Lisbon Humberto Delgado
$1,697TAP AIR PORTUGAL
Wed, Sep 23 - Wed, Sep 30
Ethiopian Air Logo
10:55 am - 5:30 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
26h 35m2 stops Addis Ababa Bole Libreville
Ethiopian Air Logo
7:30 am - 8:55 amTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
29h 25m4 stops Libreville Lome Addis Ababa Bole Rome Fiumicino
$2,015Ethiopian Air
Tue, Sep 1 - Tue, Oct 6
Multiple Airlines Logo
8:20 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
41h 25m3 stops Zurich Lisbon Humberto Delgado Accra Kotoka
Multiple Airlines Logo
7:40 pm - 4:45 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
49h 05m3 stops Accra Kotoka Lisbon Humberto Delgado Zurich
$2,022Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
10:15 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
39h 30m3 stops Boston Logan Intl Lisbon Humberto Delgado Accra Kotoka
Multiple Airlines Logo
7:40 pm - 3:10 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
23h 30m2 stops Accra Kotoka Lisbon Humberto Delgado
$2,107Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Ethiopian Air Logo
10:55 am - 5:30 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
26h 35m3 stops Addis Ababa Bole Lome Libreville
Ethiopian Air Logo
7:30 am - 8:55 amTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
29h 25m4 stops Libreville Lome Addis Ababa Bole Rome Fiumicino
$2,154Ethiopian Air
Tue, Sep 1 - Tue, Oct 6
Multiple Airlines Logo
10:55 am - 5:30 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
26h 35m2 stops Addis Ababa Bole Libreville
Multiple Airlines Logo
7:30 am - 8:55 amTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
29h 25m3 stops Libreville Addis Ababa Bole Rome Fiumicino
$2,162Multiple Airlines
Tue, Sep 1 - Tue, Oct 6
TAP AIR PORTUGAL Logo
5:05 pm - 5:25 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
20h 20m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
7:40 pm - 3:10 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
23h 30m2 stops Accra Kotoka Lisbon Humberto Delgado
$2,342TAP AIR PORTUGAL
Fri, Sep 11 - Fri, Sep 18
TAP AIR PORTUGAL Logo
10:50 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
38h 55m2 stops Lisbon Humberto Delgado Accra Kotoka
TAP AIR PORTUGAL Logo
7:40 pm - 8:05 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
28h 25m2 stops Accra Kotoka Lisbon Humberto Delgado
$2,350TAP AIR PORTUGAL
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
8:20 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
41h 25m3 stops Zurich Lisbon Humberto Delgado Accra Kotoka
Multiple Airlines Logo
7:40 pm - 1:35 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
45h 55m3 stops Accra Kotoka Lisbon Humberto Delgado Frankfurt am Main
$2,557Multiple Airlines
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
5:45 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
44h 00m3 stops Zurich Lisbon Humberto Delgado Accra Kotoka
Multiple Airlines Logo
7:40 pm - 1:35 pmTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
45h 55m3 stops Accra Kotoka Lisbon Humberto Delgado Frankfurt am Main
$2,558Multiple Airlines
Fri, Sep 11 - Fri, Sep 18

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 August 15, 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 Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Wed 9/23

10:35 pm-5:45 pm

2 stops39h 10m

Sao Tome Is

Wed 9/30

7:55 am-8:35 pm

1 stop16h 40m

$1,697

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Tue 9/1

10:55 am-5:30 pm

2 stops26h 35m

Sao Tome Is

Tue 10/6

7:30 am-8:55 am

4 stops29h 25m

$2,015

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-5:45 pm

3 stops41h 25m

Sao Tome Is

Wed 9/30

7:40 pm-4:45 pm

3 stops49h 05m

$2,022

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Wed 9/23

10:15 pm-5:45 pm

3 stops39h 30m

Sao Tome Is

Wed 9/30

7:40 pm-3:10 pm

2 stops23h 30m

$2,107

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Tue 9/1

10:55 am-5:30 pm

3 stops26h 35m

Sao Tome Is

Tue 10/6

7:30 am-8:55 am

4 stops29h 25m

$2,154

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Tue 9/1

10:55 am-5:30 pm

2 stops26h 35m

Sao Tome Is

Tue 10/6

7:30 am-8:55 am

3 stops29h 25m

$2,162
Quickest round-trip

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Fri 9/11

5:05 pm-5:25 pm

1 stop20h 20m

Sao Tome Is

Fri 9/18

7:40 pm-3:10 pm

2 stops23h 30m

$2,342

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Fri 9/11

10:50 pm-5:45 pm

2 stops38h 55m

Sao Tome Is

Fri 9/18

7:40 pm-8:05 pm

2 stops28h 25m

$2,350

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Fri 9/11

8:20 pm-5:45 pm

3 stops41h 25m

Sao Tome Is

Fri 9/18

7:40 pm-1:35 pm

3 stops45h 55m

$2,557

Washington, D.C.São Tomé

IAD Washington, D.C. Dulles Intl - TMS Sao Tome Is

IADTMS

Washington, D.C. Dulles Intl

Fri 9/11

5:45 pm-5:45 pm

3 stops44h 00m

Sao Tome Is

Fri 9/18

7:40 pm-1:35 pm

3 stops45h 55m

$2,558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 38h 35m 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

$1,432

Best Round-Trip Price

$1,697

Fastest flight time

47h 10m
The best one-way flight price to São Tomé from United States in the last 5 days is $1,432 (Los Angeles to Sao Tome Is).
Search Deals
The best round-trip flight price to São Tomé from United States in the last 5 days is $1,697 (Washington, D.C. Dulles Intl to Sao Tome Is).
Search Deals
The fastest flight to São Tomé from United States takes 47h 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 3 operators available for flights to Sao Tome Is Airport as of August 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.

An easier way to manage your Sao Tome Is trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

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
Los Angeles to Sao Tome Is Flightsfrom $1,636
Washington, D.C. to Sao Tome Is Flightsfrom $2,015
Miami to Sao Tome Is Flightsfrom $1,727