Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from St Louis to Casper?

Flights from Casper to St Louis, United States Last modified: Sep 26, 2016 1:03 AM

Casper to St Louis Last modified: Sep 26, 2016 1:03 AM

We've scanned 20,789,023,501 round trip itineraries and found the cheapest flights from Casper to St Louis. United frequently offer the best deals on Casper to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

United
CPRSTL
Fri 11/4
1 stop
STLCPR
Sat 11/12
1 stop
$268
Select

How Much is a Flight from Casper to St Louis?

We have collected flight cost data from across the web for travel from Casper to St Louis, and have found the average flight price for this trip to be $317.

Where To Buy Cheap Flights from Casper to St Louis?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Casper to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Casper to St Louis?

The chart below shows up-to-date information regarding how far in advance to book your flight from Casper to St Louis.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $0
7-14 days $0 $0
14-21 days $0 $358
21-30 days $0 $0
30-60 days $0 $268
60-90 days $0 $0
90+ days $0 $0

Cheapest Day To Fly from Casper to St Louis

We've examined 20,795,316,600 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Casper to St Louis is Friday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$358 $268 $323

Compare Flight Prices from Casper to St Louis by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Casper to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October Casper St Louis United 10/13/16 10/17/16 1 $358
November Casper St Louis United 11/4/16 11/12/16 1 $268

Cheap Last Minute Flights from Casper to St Louis

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Casper to St Louis. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
9 10 11 12 13 14 15
$358
16 17 18 19 20 21 22
$358

Connecting Flights vs Direct Flights from Casper to St Louis

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Casper to St Louis is $323.

The average price for direct flights from Casper to St Louis is not available.

One Way Flights vs Round Trip Flights from Casper to St Louis

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Casper to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Casper to St Louis is not available.

The average price for round trip flights from Casper to St Louis is $323.

Casper to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Casper to St Louis?
Answer: Denver, CO

Airlines in Casper flying to St Louis Last modified: Sep 26, 2016 1:03 AMNumber of routes searched: 18Number of itineraries searched: 1,105

Wondering which airlines fly out of Casper to St Louis? We've gathered the average price of Casper airlines with flights to St Louis. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Casper to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
United DEN
United DEN / ORD
Delta SLC
Delta SLC / MSP
Delta SLC / ATL
United DEN / SFO
Delta SLC / DTW
United DEN / EWR
United DEN / IAH

Casper to St Louis Airports

These are the major commercial airports we're currently monitoring in Casper and St Louis. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights from Casper - CPR

FlightsAirlineLowest Price
Flights from Casper to Las Vegas Delta, United $308

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Flights from Rapid City to Chicago American, Delta, United $464
Flights from Rapid City to Atlanta American, Delta, United $326
Flights from Rapid City to Dallas - Ft Worth American, Delta $419
Flights from Gillette to Denver United $200
Flights from Rapid City to Denver United $434
Flights from Rapid City to Las Vegas Delta, United $312
Flights from Chicago to St LouisCheck Dates
Flights from Phoenix to St Louis American, Alaska, Delta, Frontier, United $134
Flights from Seattle to St Louis American, Alaska, Delta, Frontier, United $237
Flights from Denver to St Louis Delta, Frontier, United $87
Flights from Houston to St Louis American, Delta, United $301
Flights from Washington to St Louis American, Alaska, Delta, United $211
Flights from San Francisco to St Louis American, Alaska, Delta, Frontier, United $264
Flights from Charlotte to St Louis American, Alaska, Delta, United $283
Flights from Boston to St Louis American, Delta, United $316
Flights from Baltimore to St Louis American, Delta $301
Flights from Minneapolis - St Paul to St Louis Delta Check Dates
Flights from Philadelphia to St Louis American, Alaska, Delta, United $295
Flights from Detroit to St Louis American, Delta $235
Flights from Orlando to St Louis American, Delta, Frontier, United $157
Flights from Newark to St Louis American, Delta, United $251
Flights from Miami to St Louis American, Alaska, Delta $309
Flights from San Diego to St Louis American, Alaska, Delta, Frontier, United $234
Flights from Tampa to St Louis American, Delta, United $309
Flights from Las Vegas to St Louis American, Alaska, Delta, Frontier, United $117
Flights from Portland to St Louis American, Alaska, Delta, United $277
Flights from Salt Lake City to St Louis American, Alaska, Delta, United $322

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
Flights from London to St Louis American, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Cathay, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Royal Jordanian, SAS, Brussels, United, Virgin Atlantic $724
Flights from Toronto to St Louis American, Air Canada, Delta, United, WestJet $352
Cheap Flights from Casper to St Louis