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St. Louis Lambert International Airport to Casper–Natrona County International Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Casper–Natrona County International Airport over the next 90 days, with one-way fares from JPY 58,360 and round-trip from JPY 71,020. Based on Trip.com's latest 7-day flight data.

      • STL 5:10 AM
        4h 49m
        1 stop
        CPR 8:59 AM
        St. Louis - Casper | Sun, Oct 18 | United Airlines
        CPR 6:00 PM
        4h 44m
        1 stop
        STL 11:44 PM
        Casper - St. Louis | Thu, Oct 22 | United Airlines
        JPY 71,020 JPY 96,260
        26% off
        26% off
        JPY 96,260 JPY 71,020
      • STL 5:10 AM
        4h 49m
        1 stop
        CPR 8:59 AM
        St. Louis - Casper | Sat, Oct 24 | United Airlines
        CPR 11:24 AM
        4h 33m
        1 stop
        STL 4:57 PM
        Casper - St. Louis | Wed, Oct 28 | United Airlines
        JPY 71,210 JPY 96,260
        26% off
        26% off
        JPY 96,260 JPY 71,210
      • STL 5:10 AM
        4h 49m
        1 stop
        CPR 8:59 AM
        St. Louis - Casper | Fri, Oct 16 | United Airlines
        CPR 10:06 AM
        9h 30m
        1 stop
        STL 8:36 PM
        Casper - St. Louis | Tue, Oct 20 | United Airlines
        JPY 71,230 JPY 96,260
        26% off
        26% off
        JPY 96,260 JPY 71,230
      • STL 1:00 PM
        17h 25m
        1 stop
        CPR 2:00 PM
        St. Louis - Casper | Fri, Oct 16 | Normal Airline
        CPR 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Casper - St. Louis | Sun, Oct 18 | Normal Airline
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      • STL 1:36 PM
        6h 18m
        1 stop
        CPR 6:54 PM
        St. Louis - Casper | Sun, Oct 25 | United Airlines
        JPY 58,360 JPY 78,870
        26% off
        26% off
        JPY 78,870 JPY 58,360
      • STL 1:00 PM
        17h 25m
        1 stop
        CPR 2:00 PM
        St. Louis - Casper | Fri, Oct 16 | Normal Airline
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Displayed flight fares from St. Louis Lambert International Airport to Casper–Natrona County International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Casper–Natrona County International Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Casper–Natrona County International Airport is United Airlines (from JPY 71,020) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From JPY 71,020

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What is the flight schedule from St. Louis Lambert International Airport to Casper–Natrona County International Airport?

Check the schedule for flights from St. Louis to Casper and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5548

    St. Louis Lambert International Airport

    5:10 AM

    STL

    2h 33m

    Nonstop

    6:43 AM

    DEN

    S M T W T F S
    Search

  2. UA5895

    Denver International Airport

    7:40 AM

    DEN

    1h 10m

    Nonstop

    8:50 AM

    CPR

    S M T W T F S
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About St. Louis Lambert International Airport and Casper–Natrona County International Airport

Learn about St. Louis Lambert International Airport (STL) and Casper–Natrona County International Airport (CPR) — including location, terminals, transportation, and travel tips.

Flight distance 1,430.32 km
Cheapest one-way ticket price JPY 58,360
Cheapest return ticket price JPY 71,020

FAQs for St. Louis Lambert International Airport to Casper–Natrona County International Airport Flights

  • What is the transportation method from the main airport to downtown in Casper?

    • The distance from Casper–Natrona County International Airport to downtown is about 12 km. It takes about 30 minutes by taxi.
  • One-way flights from St. Louis Lambert International Airport to Casper–Natrona County International Airport currently start from JPY 58,360, and round-trip fares start from JPY 71,020. The current lowest fare is a United Airlines flight departing on Sun, Oct 25; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Casper–Natrona County International Airport is JPY 49,280. Prices may vary depending on the departure date, airline, and availability.
  • Enter St. Louis Lambert International Airport and Casper–Natrona County International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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