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Flights from St. Louis to Sao Tome Island

Find flight deals from St. Louis to Sao Tome Island for the next 3 months. Book one way flights from AU$1,939 or round trip flights from AU$3,630.

      • STL 7:00 AM
        28h 30m
        2 stops
        TMS 5:30 PM
        St. Louis - Sao Tome Island | Fri, Jan 9 | United Airlines
        TMS 8:00 PM
        33h 59m
        2 stops
        STL 11:59 PM
        Sao Tome Island - St. Louis | Sun, Jan 11 | TAP Air Portugal
        AU$3,630 AU$4,213
        14% OFF
        14% OFF
        AU$4,213 AU$3,630
      • STL 9:33 AM
        25h 57m
        2 stops
        TMS 5:30 PM
        St. Louis - Sao Tome Island | Fri, Jan 9 | Iberia
        TMS 8:00 PM
        32h 44m
        2 stops
        STL 10:44 PM
        Sao Tome Island - St. Louis | Sun, Jan 11 | TAP Air Portugal
        AU$3,749 AU$4,213
        11% OFF
        11% OFF
        AU$4,213 AU$3,749
      • STL 1:00 PM
        17h 25m
        1 stop
        TMS Invalid Date
        St. Louis - Sao Tome Island | Fri, Dec 12 | Normal Airline
        TMS 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Sao Tome Island - St. Louis | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • STL 7:00 AM
        41h 20m
        2 stops
        TMS 6:20 AM
        St. Louis - Sao Tome Island | Thu, Jan 15 | United Airlines
        AU$1,939 AU$4,356
        56% OFF
        56% OFF
        AU$4,356 AU$1,939
      • STL 7:00 AM
        28h 30m
        2 stops
        TMS 5:30 PM
        St. Louis - Sao Tome Island | Fri, Jan 16 | United Airlines
        AU$1,972 AU$4,356
        55% OFF
        55% OFF
        AU$4,356 AU$1,972
      • STL 9:33 AM
        38h 47m
        2 stops
        TMS 6:20 AM
        St. Louis - Sao Tome Island | Thu, Jan 15 | Iberia
        AU$2,161 AU$4,356
        50% OFF
        50% OFF
        AU$4,356 AU$2,161
      • STL 9:33 AM
        25h 57m
        2 stops
        TMS 5:30 PM
        St. Louis - Sao Tome Island | Fri, Jan 16 | Iberia
        AU$2,164
        50% OFF
        AU$4,356 AU$2,164
      • STL 7:00 AM
        41h 20m
        2 stops
        TMS 6:20 AM
        St. Louis - Sao Tome Island | Thu, Jan 1 | United Airlines
        AU$2,651
        39% OFF
        AU$4,356 AU$2,651
      • STL 1:59 PM
        34h 21m
        2 stops
        TMS 6:20 AM
        St. Louis - Sao Tome Island | Thu, Jan 1 | Iberia
        AU$3,019
        31% OFF
        AU$4,356 AU$3,019
      • STL 7:04 AM
        52h 26m
        2 stops
        TMS 5:30 PM
        St. Louis - Sao Tome Island | Thu, Jan 15 | American Airlines
        AU$3,877
        11% OFF
        AU$4,356 AU$3,877
      • STL 1:00 PM
        17h 25m
        1 stop
        TMS Invalid Date
        St. Louis - Sao Tome Island | Fri, Dec 12 | 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 Info | St. Louis to Sao Tome Island

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

Cheapest one-way flight priceAU$1,939
Cheapest round-trip ticket priceAU$3,630
Off-season for travelOctober
Flight distance10,583.05 km

When is the cheapest 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 AU$1,938.

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.

Frequently Asked Questions

  • 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 AU$1,939 on Cheapest nonstop routes (e.g. STL to TMS on Thu, Jan 15), while United Airlines offers Cheapest nonstop round-trips from AU$3,630 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 AU$1,939.
    · 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.

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