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Flights from St. Louis to Ushuaia

Find cheap airlines flights from St. Louis to Ushuaia

You can choose from 1 airlines that fly from St. Louis to Ushuaia, including American Airlines, American Airlines has lowest fares on this route.
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from St. Louis to Ushuaia according to previous 12 months data from Trip.com.

Find flight deals from St. Louis to Ushuaia for the next 3 months. Book one way flights from $1,244 or round trip flights from $1,532.

      • STL 5:01 PM
        22h 39m
        2 stops
        USH 6:40 PM
        St. Louis - Ushuaia | Sun, Mar 15 | Delta Air Lines
        USH 6:25 PM
        49h 28m
        2 stops
        STL 5:53 PM
        Ushuaia - St. Louis | Sun, Mar 22 | Flybondi
        $1,532 $3,404
        55% off
        55% off
        $3,404 $1,532
      • STL 4:39 PM
        48h 46m
        2 stops
        USH 8:25 PM
        St. Louis - Ushuaia | Sun, Mar 1 | United Airlines
        USH 10:30 AM
        32h 8m
        2 stops
        STL 3:38 PM
        Ushuaia - St. Louis | Sun, Mar 8 | Aerolineas Argentinas
        $2,433 $3,404
        28% off
        28% off
        $3,404 $2,433
      • STL 4:47 PM
        41h 23m
        2 stops
        USH 12:10 PM
        St. Louis - Ushuaia | Sun, Mar 22 | United Airlines
        USH 8:20 AM
        39h 56m
        2 stops
        STL 10:16 PM
        Ushuaia - St. Louis | Sun, Mar 29 | Aerolineas Argentinas
        $2,893 $3,404
        15% off
        15% off
        $3,404 $2,893
      • STL 1:00 PM
        17h 25m
        1 stop
        USH Invalid Date
        St. Louis - Ushuaia | Tue, Feb 10 | Normal Airline
        USH 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Ushuaia - St. Louis | Thu, Feb 12 | Normal Airline
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      • STL 5:05 AM
        37h 35m
        2 stops
        USH 9:40 PM
        St. Louis - Ushuaia | Sat, Feb 14 | American Airlines
        $1,244 $4,643
        73% off
        73% off
        $4,643 $1,244
      • STL 5:14 AM
        30h 26m
        2 stops
        USH 2:40 PM
        St. Louis - Ushuaia | Mon, Feb 23 | American Airlines
        $1,301 $4,643
        72% off
        72% off
        $4,643 $1,301
      • STL 8:01 AM
        24h 39m
        2 stops
        USH 11:40 AM
        St. Louis - Ushuaia | Sat, Feb 14 | Frontier Airlines
        $1,403 $4,643
        70% off
        70% off
        $4,643 $1,403
      • STL 5:00 PM
        18h 40m
        2 stops
        USH 2:40 PM
        St. Louis - Ushuaia | Mon, Feb 23 | Delta Air Lines
        $3,946
        15% off
        $4,643 $3,946
      • STL 1:00 PM
        17h 25m
        1 stop
        USH Invalid Date
        St. Louis - Ushuaia | Tue, Feb 10 | Normal Airline
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        Find more flights

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

Flight Info | St. Louis to Ushuaia

The distance between St. Louis and Ushuaia is approximately 10,599.51 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price$1,244
Cheapest round-trip ticket price$1,532
Off-season for travelOctober
Peak season for travelJanuary
Flight distance10,599.51 km
Popular airlineAmerican Airlines
Flight statistics for the St. Louis–Ushuaia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from St. Louis to Ushuaia (STL-USH)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $1,244 on Cheapest nonstop routes (e.g. STL to USH on Sat, Feb 14), while Delta Air Lines offers Cheapest nonstop round-trips from $1,532 departing on Sun, Mar 15 and returning on Sun, Mar 22.
  • At the moment, you can catch a nonstop flight from St. Louis to Ushuaia with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • 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 Ushuaia 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 Ushuaia, 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 Sat, Feb 14, with one-way flights priced at just $1,244.
    · 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 Ushuaia travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Ushuaia is October, when demand for travel is lower.
  • You can land at any one of the following hubs in Ushuaia, with St. Louis Lambert International Airport to Ushuaia - Malvinas Argentinas International Airport (STL-USH) is by far the most common option on this route: Ushuaia - Malvinas Argentinas International Airport (USH).
  • The time difference between Ushuaia and St. Louis is 3h.
  • 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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