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Flights from Sal to Sao Tome Island

Search cheap flights from Sal to Sao Tome Island in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$837, and round-trip tickets start at US$1,444.

      • SID 12:45
        27h 40m
        1 stop
        TMS 17:25
        Sal - Sao Tome Island | Fri, Jun 19 | TAP Air Portugal
        TMS 19:40
        28h 35m
        1 stop
        SID 23:15
        Sao Tome Island - Sal | Fri, Jun 26 | TAP Air Portugal
        US$1,444 US$4,039
        64% off
        64% off
        US$4,039 US$1,444
      • SID 00:15
        16h 10m
        1 stop
        TMS 17:25
        Sal - Sao Tome Island | Sat, Jun 27 | TAP Air Portugal
        TMS 19:40
        28h 35m
        1 stop
        SID 23:15
        Sao Tome Island - Sal | Sun, Jul 5 | TAP Air Portugal
        US$1,838 US$4,039
        54% off
        54% off
        US$4,039 US$1,838
      • SID 00:15
        28h 10m
        1 stop
        TMS 05:25
        Sal - Sao Tome Island | Tue, Aug 11 | TAP Air Portugal
        TMS 07:55
        16h 20m
        1 stop
        SID 23:15
        Sao Tome Island - Sal | Wed, Aug 19 | TAP Air Portugal
        US$2,123 US$4,039
        47% off
        47% off
        US$4,039 US$2,123
      • SID 00:15
        16h 30m
        1 stop
        TMS 17:45
        Sal - Sao Tome Island | Sun, Jul 26 | TAP Air Portugal
        TMS 19:40
        28h 35m
        1 stop
        SID 23:15
        Sao Tome Island - Sal | Sun, Aug 2 | TAP Air Portugal
        US$3,069
        24% off
        US$4,039 US$3,069
      • SID 13:00
        17h 25m
        1 stop
        TMS 14:00
        Sal - Sao Tome Island | Tue, Jun 16 | Normal Airline
        TMS 15:00
        6h
        Nonstop
        SID 16:00
        Sao Tome Island - Sal | Thu, Jun 18 | Normal Airline
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        Find more flights
      • SID 00:15
        16h 30m
        1 stop
        TMS 17:45
        Sal - Sao Tome Island | Tue, Jun 23 | TAP Air Portugal
        US$837 US$1,323
        37% off
        37% off
        US$1,323 US$837
      • SID 00:15
        16h 30m
        1 stop
        TMS 17:45
        Sal - Sao Tome Island | Tue, Jul 28 | TAP Air Portugal
        US$964 US$1,323
        27% off
        27% off
        US$1,323 US$964
      • SID 00:15
        16h 10m
        1 stop
        TMS 17:25
        Sal - Sao Tome Island | Wed, Jul 15 | TAP Air Portugal
        US$965 US$1,323
        27% off
        27% off
        US$1,323 US$965
      • SID 00:15
        16h 10m
        1 stop
        TMS 17:25
        Sal - Sao Tome Island | Wed, Jun 24 | TAP Air Portugal
        US$1,000
        24% off
        US$1,323 US$1,000
      • SID 00:15
        16h 10m
        1 stop
        TMS 17:25
        Sal - Sao Tome Island | Wed, Jul 29 | TAP Air Portugal
        US$1,005
        24% off
        US$1,323 US$1,005
      • SID 13:00
        17h 25m
        1 stop
        TMS 14:00
        Sal - Sao Tome Island | Tue, Jun 16 | Normal Airline
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        Find more flights

Displayed flight fares from Sal to Sao Tome Island are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Sal to Sao Tome Island Flight Details

The distance between Sal and Sao Tome Island is about 3,726.28 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$837
Cheapest return ticket priceUS$1,444
Cheapest monthOctober
Peak season for travelJuly
Flight distance3,726.28 km
Flight statistics for the Sal–Sao Tome Island route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Sal to Sao Tome Island (SID-TMS)?

    Based on Trip.com data, TAP Air Portugal offers one-way fares as low as US$837 on Cheapest nonstop routes (e.g. SID to TMS on Tue, Jun 23), while TAP Air Portugal offers Cheapest nonstop round-trips from US$1,444 departing on Fri, Jun 19 and returning on Fri, Jun 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sal to Sao Tome Island is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Sal to Sao Tome Island, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 23, with one-way flights priced at just US$837.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is TAP Air Portugal.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sao Tome Island travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sal to Sao Tome Island is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Sal to Sao Tome Island on June 19, 2026 with TAP Air Portugal, with prices starting at US$1,444.
  • The time difference between Sao Tome Island and Sal is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.