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Cheap flights from Maryland to São Tomé and Príncipe from $1,697

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to São Tomé and Príncipe departing on 9/23. 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 Maryland to São Tomé and Príncipe

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
TAP AIR PORTUGAL Logo
5:45 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
44h 00m2 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
$1,927TAP AIR PORTUGAL
Wed, Sep 16 - 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
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
7:40 pm - 7:19 amTMS  Sao Tome Is-IAD Washington, D.C. Dulles Intl
39h 39m3 stops Accra Kotoka Lisbon Humberto Delgado Newark
$2,121TAP AIR PORTUGAL
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
10:25 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-TMS Sao Tome Is
39h 20m2 stops 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
$2,135Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
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
$2,148Multiple Airlines
Wed, Sep 16 - 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

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TAP AIR PORTUGAL flights from Maryland to São Tomé and Príncipe

Our best TAP AIR PORTUGAL deals on Maryland to São Tomé and Príncipe flight tickets
TAP AIR PORTUGAL
Sep 23
IAD10:35 pmWashington, D.C. Dulles Intl
39h 10m
2 stops
TMS5:45 pmSao Tome Is
Sep 30
TMS7:55 amSao Tome Is
16h 40m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,697
TAP AIR PORTUGAL
Sep 16
IAD5:45 pmWashington, D.C. Dulles Intl
44h 00m
2 stops
TMS5:45 pmSao Tome Is
Sep 30
TMS7:55 amSao Tome Is
16h 40m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,927
TAP AIR PORTUGAL
Sep 23
IAD10:35 pmWashington, D.C. Dulles Intl
39h 10m
2 stops
TMS5:45 pmSao Tome Is
Sep 30
TMS7:40 pmSao Tome Is
39h 39m
3 stops
IAD7:19 amWashington, D.C. Dulles Intl
$2,121

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to São Tomé and Príncipe 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 August 13, 2026.
Use the filters below to find and compare flights from Maryland to São Tomé and Príncipe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest 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

Wed 9/16

5:45 pm-5:45 pm

2 stops44h 00m

Sao Tome Is

Wed 9/30

7:55 am-8:35 pm

1 stop16h 40m

$1,927

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

Wed 9/23

10:35 pm-5:45 pm

2 stops39h 10m

Sao Tome Is

Wed 9/30

7:40 pm-7:19 am

3 stops39h 39m

$2,121

Washington, D.C.São Tomé

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

IADTMS

Washington, D.C. Dulles Intl

Wed 9/16

10:25 pm-5:45 pm

2 stops39h 20m

Sao Tome Is

Wed 9/30

7:40 pm-4:45 pm

3 stops49h 05m

$2,135

Washington, D.C.São Tomé

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

IADTMS

Washington, D.C. Dulles Intl

Wed 9/16

8:20 pm-5:45 pm

3 stops41h 25m

Sao Tome Is

Wed 9/30

7:40 pm-4:45 pm

3 stops49h 05m

$2,148

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

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Maryland to São Tomé and Príncipe flight deals and tips

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

Fastest flight time

34h 35m

Direct flights

None
The fastest flight from Maryland to São Tomé and Príncipe takes 34h 35m
There are no direct flights from Maryland to São Tomé and Príncipe. There are no popular flight routes from Maryland to São Tomé and Príncipe.
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Frequently asked questions about flying from Maryland to São Tomé and Príncipe

  • When did momondo last update prices for flights from Maryland to São Tomé and Príncipe?

    Prices for flights from Maryland to São Tomé and Príncipe are updated daily.

  • How old do you have to be to fly from Maryland to São Tomé and Príncipe?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to São Tomé and Príncipe.

  • What documentation or ID do you need to fly to São Tomé and Príncipe?

    The travel and health documents required for your trip to São Tomé and Príncipe 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 São Tomé and Príncipe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Maryland to São Tomé and Príncipe

  • How do I get Price Alerts for flights from Maryland to São Tomé and Príncipe?

    Search flight deals from Maryland to São Tomé and Príncipe. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Maryland to São Tomé and Príncipe with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to São Tomé and Príncipe?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to São Tomé and Príncipe from Maryland.

Can I find flights from Maryland to São Tomé and Príncipe with flexible booking policies on momondo?

All flight searches from Maryland to São Tomé and Príncipe on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Maryland to São Tomé and Príncipe?

momondo provides multiple filters to help you find the best flight to São Tomé and Príncipe from Maryland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Maryland to São Tomé and Príncipe right now. Can momondo alert me if prices change?

Price alerts on flights to São Tomé and Príncipe from Maryland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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