Cheap Flights to São Tomé and Príncipe | Popular Routes to São Tomé and Príncipe from HK$4,855

View HK$4,855 flight on Tue, 8 Sept 2026Opens in a new window

Popular airlines to São Tomé and Príncipe

  • TAP Portugal

  • Ethiopian Airlines

  • ASKY

  • TAAG Angola Airlines

  • Hahn Air Systems

  • Turkish Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to São Tomé and Príncipe

Prices were available within the past 7 days and start at HK$4,855 for one-way flights and HK$7,539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, 6 Sept - Wed, 7 Oct
LIS
Lisbon
TMS
São Tomé Island
HK$7,539 Return, found 3 days ago
HK$7,539
Return
found 3 days ago
Select TAP Portugal flight, departing Sun, 6 Sept from Lisbon to São Tomé Island, returning Wed, 7 Oct, priced at HK$7,539 found 3 days ago
TAP Portugal
Sat, 16 May - Sat, 23 May
LIS
Lisbon
TMS
São Tomé Island
HK$11,619 Return, found 3 days ago
HK$11,619
Return
found 3 days ago
Select TAP Portugal flight, departing Sat, 16 May from Lisbon to São Tomé Island, returning Sat, 23 May, priced at HK$11,619 found 3 days ago
TAP Portugal
Sat, 30 May - Sat, 13 Jun
LIS
Lisbon
TMS
São Tomé Island
HK$12,751 Return, found 8 hours ago
HK$12,751
Return
found 8 hours ago
Select TAP Portugal flight, departing Sat, 30 May from Lisbon to São Tomé Island, returning Sat, 13 Jun, priced at HK$12,751 found 8 hours ago
TAP Portugal
Sat, 30 May - Sat, 13 Jun
LIS
Lisbon
TMS
São Tomé Island
HK$13,128 Return, found 8 hours ago
HK$13,128
Return
found 8 hours ago
Select TAP Portugal flight, departing Sat, 30 May from Lisbon to São Tomé Island, returning Sat, 13 Jun, priced at HK$13,128 found 8 hours ago
TAP Portugal
Sat, 30 May - Sat, 13 Jun
LIS
Lisbon
TMS
São Tomé Island
HK$13,587 Return, found 2 days ago
HK$13,587
Return
found 2 days ago
Select TAP Portugal flight, departing Sat, 30 May from Lisbon to São Tomé Island, returning Sat, 13 Jun, priced at HK$13,587 found 2 days ago
TAP Portugal
Sat, 30 May - Sat, 13 Jun
LIS
Lisbon
TMS
São Tomé Island
HK$13,873 Return, found 8 hours ago
HK$13,873
Return
found 8 hours ago
Select TAP Portugal flight, departing Sat, 30 May from Lisbon to São Tomé Island, returning Sat, 13 Jun, priced at HK$13,873 found 8 hours ago
TAP Portugal
Sat, 30 May - Sat, 13 Jun
LIS
Lisbon
TMS
São Tomé Island
HK$14,342 Return, found 2 days ago
HK$14,342
Return
found 2 days ago
Select TAP Portugal flight, departing Sat, 30 May from Lisbon to São Tomé Island, returning Sat, 13 Jun, priced at HK$14,342 found 2 days ago

Frequently asked questions

How do I find cheap flights to São Tomé and Príncipe that have flexible change policies?
When it comes to traveling these days, flexibility is a must. That's why we have a "No change fee" filter to help you track down flexible, low-priced airfares to São Tomé and Príncipe. It's on the left-hand side of your screen directly underneath the "Flexible change policies" subheading.
How can I find cheap tickets to São Tomé and Príncipe?
To score an amazing deal to São Tomé and Príncipe, book well in advance. Also use Expedia's handy "flexible dates" link above your search results. This will list the cheapest prices for similar time frames. In the last seven days, HK$7,539 was the best price for a flight to São Tomé and Príncipe.
How much is a flight to São Tomé and Príncipe?
In the last seven days, return tickets to São Tomé and Príncipe sold for as little as HK$7,539 and reached a maximum of HK$14,342. For one-way trips taking off from Lisbon (LIS), the cheapest seat during this time was just HK$4,855.
When is the cheapest time to fly to São Tomé and Príncipe?
Depart for São Tomé and Príncipe earlier in the week and you'll usually be rewarded with lower fares. Tuesday is known for being the cheapest day to hop on a plane, closely followed by Monday. If you're hoping to avoid the costliest flights, give Saturdays a wide berth.
How much is a plane ticket to São Tomé and Príncipe?
In the last seven days, airfares to São Tomé and Príncipe ranged between HK$7,539 and HK$14,342. Prices tend to rise over time, so book a terrific deal today.
What is the best time to go to São Tomé and Príncipe?
If you're eager to take in São Tomé and Príncipe's top city when it's at its liveliest, go to Bom Bom Island sometime during March, August and September. Similar to most locations in the Northern Hemisphere, summertime here starts June 20, with temperatures ranging between 24ºC and 27ºC.
What months are the cheapest to book a flight to São Tomé and Príncipe?
A good month to purchase well-priced flights to São Tomé and Príncipe is February. Keep in mind that in the United States, the most expensive time to secure a ticket is the busy month of December.

Book with confidence

About São Tomé and Príncipe

Expedia offers flights to São Tomé and Príncipe to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to São Tomé and Príncipe or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About São Tomé and Príncipe
*Available to Expedia members.