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Flights from St. Louis to Sao Tome Island

Find the cheapest flight options from St. Louis to Sao Tome Island over the next three months. Book one-way tickets from HK$10,021 and round-trip tickets from HK$18,765.

      • STL 07:00
        28h 30m
        2 stops
        TMS 17:30
        St. Louis - Sao Tome Island | Fri, Jan 9 | United Airlines
        TMS 20:00
        33h 59m
        2 stops
        STL 23:59
        Sao Tome Island - St. Louis | Sun, Jan 11 | TAP Air Portugal
        HK$18,765 HK$21,535
        13% OFF
        13% OFF
        HK$21,535 HK$18,765
      • STL 09:33
        25h 57m
        2 stops
        TMS 17:30
        St. Louis - Sao Tome Island | Fri, Jan 9 | Iberia
        TMS 20:00
        32h 44m
        2 stops
        STL 22:44
        Sao Tome Island - St. Louis | Sun, Jan 11 | TAP Air Portugal
        HK$19,382 HK$21,535
        10% OFF
        10% OFF
        HK$21,535 HK$19,382
      • STL 13:00
        17h 25m
        1 stop
        TMS Invalid Date
        St. Louis - Sao Tome Island | Sat, Dec 13 | Normal Airline
        TMS 15:00
        6h
        Direct
        STL 16:00
        Sao Tome Island - St. Louis | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • STL 07:00
        41h 20m
        2 stops
        TMS 06:20
        St. Louis - Sao Tome Island | Thu, Jan 15 | United Airlines
        HK$10,021 HK$22,270
        55% OFF
        55% OFF
        HK$22,270 HK$10,021
      • STL 07:00
        28h 30m
        2 stops
        TMS 17:30
        St. Louis - Sao Tome Island | Fri, Jan 16 | United Airlines
        HK$10,193 HK$22,270
        54% OFF
        54% OFF
        HK$22,270 HK$10,193
      • STL 09:33
        38h 47m
        2 stops
        TMS 06:20
        St. Louis - Sao Tome Island | Thu, Jan 15 | Iberia
        HK$11,172 HK$22,270
        50% OFF
        50% OFF
        HK$22,270 HK$11,172
      • STL 09:33
        25h 57m
        2 stops
        TMS 17:30
        St. Louis - Sao Tome Island | Fri, Jan 16 | Iberia
        HK$11,184
        50% OFF
        HK$22,270 HK$11,184
      • STL 07:00
        41h 20m
        2 stops
        TMS 06:20
        St. Louis - Sao Tome Island | Thu, Jan 1 | United Airlines
        HK$13,702
        38% OFF
        HK$22,270 HK$13,702
      • STL 13:59
        34h 21m
        2 stops
        TMS 06:20
        St. Louis - Sao Tome Island | Thu, Jan 1 | Iberia
        HK$15,606
        30% OFF
        HK$22,270 HK$15,606
      • STL 07:04
        52h 26m
        2 stops
        TMS 17:30
        St. Louis - Sao Tome Island | Thu, Jan 15 | American Airlines
        HK$20,043
        10% OFF
        HK$22,270 HK$20,043
      • STL 13:00
        17h 25m
        1 stop
        TMS Invalid Date
        St. Louis - Sao Tome Island | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for St. Louis to Sao Tome Island

The distance between St. Louis and Sao Tome Island is 10,583.05 km. The off-season for travel is October.

Cheapest one-way flight priceHK$10,021
Cheapest round-trip ticket priceHK$18,765
Off-season for travelOctober
Flight distance10,583.05 km

Find the best time to fly from St. Louis to Sao Tome Island

The cheapest time for St. Louis to Sao Tome Island flights: Jan 11 to Jan 18 — one way flight prices from HK$10,021.

Cheapest flights
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from St. Louis to Sao Tome Island, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from St. Louis to Sao Tome Island (STL-TMS)?

    Based on Trip.com data, United Airlines offers one-way fares as low as HK$10,021 on Cheapest nonstop routes (e.g. STL to TMS on Thu, Jan 15), while United Airlines offers Cheapest nonstop round-trips from HK$18,765 departing on Fri, Jan 9 and returning on Sun, Jan 11.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis 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 St. Louis 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 Thu, Jan 15, with one-way flights priced at just HK$10,021.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Sao Tome Island is October, when demand for travel is lower.
  • The time difference between Sao Tome Island and St. Louis is 6h.
  • 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.