Are there direct flights from Casper to St Louis?

Yes, there are direct flights on this route. Check the calendar above — prices for direct flights are highlighted.

Cheap flights Casper — St Louis | Prices from 444 $

Q: How long is the flight from Casper to St Louis?

Approximate flight time — 2 h 12 min. This is an average for a direct flight. With connections, the time may be longer.

Q: What is the distance from Casper to St Louis?

The straight-line distance — 1 447 km. This is the "as-the-crow-flies" distance; the actual route may be longer.

Q: How much do flights from Casper to St Louis cost?

The minimum price over 6 months — from 444 $ on 21.11.2026. Prices depend on the season, day of the week and how far in advance you book.

Q: What is the time difference between Casper and St Louis?

The time difference — +1 h. Keep this in mind when planning your flight and connections.

Q: When is the best time to buy tickets Casper — St Louis?

Optimal — 1–3 months before departure. The cheapest days — Tuesday, Wednesday, Saturday. Check the calendar above — it shows the best dates.

St Louis

St. Louis is a city on the Mississippi River, famous for its giant Gateway Arch, symbolizing the westward expansion of the United States. Here you can visit the zoo, art museum, and botanical garden, and enjoy the Midwest atmosphere. St. Louis is also known for its brewing tradition and scenic river...

More about St Louis

Trip cost calculator for St Louis

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Route characteristics

Distance

1 447 km

Flight time

2 h 12 min

Time difference

+1 h

Minimum price

from 444 $ (21.11.2026)

Departure airports

1 pcs.

Arrival airports

2 pcs.

Where to buy tickets 1 pcs.

Trip.com

1 ticket

Airports

From — Casper

CPR Casper/Natrona County International Airport

To — St Louis

STL Lambert-St. Louis International Airport
SUS Spirit of St. Louis Airport

Frequently asked questions about the route Casper — St Louis

How long is the flight from Casper to St Louis?

Approximate flight time — 2 h 12 min. This is an average for a direct flight. With connections, the time may be longer. You will see the exact time when searching for tickets.

What is the distance from Casper to St Louis?

The straight-line distance — 1 447 km. This is the "as-the-crow-flies" distance; the actual route may be longer.

How much do flights from Casper to St Louis cost?

The minimum price over 6 months — from 444 $ on 21.11.2026. Prices depend on the season, day of the week and how far in advance you book. Usually cheaper 1–3 months before departure.

What is the time difference?

The difference — +1 h. Keep this in mind when planning your flight and connections.

From which airports does Casper operate flights?

From Casper: CPR (Casper/Natrona County International Airport). Choose the most convenient airport.

To which airports in St Louis do flights arrive?

To St Louis: STL (Lambert-St. Louis International Airport), SUS (Spirit of St. Louis Airport). Check which airport your flight arrives at.

When is the best time to buy tickets?

Optimal — 1–3 months before departure. The cheapest days — Tuesday, Wednesday, Saturday. Check the calendar above — it shows the best dates.

How do I book tickets?

Choose a date, passengers and click "Find tickets" — a search will open comparing prices from 800+ airlines. Booking is made directly with the airline or agency.

About the route Casper — St Louis

Flights Casper — St Louis is a popular route. The straight-line distance is 1 447 km. Flight time 2 h 12 min. Time difference +1 h.

From Casper (CPR) flights depart from one airport. To St Louis (STL) — 2 arrival airports.

The minimum price for the next 6 months — from 444 $ (21.11.2026). The cheapest dates are highlighted in the calendar above.

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