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Did you mean flights from St Louis to Idaho Falls?

Flights from Idaho Falls to St Louis, United States Last modified: Sep 29, 2016 1:36 AM

Idaho Falls to St Louis Last modified: Sep 29, 2016 1:36 AM

We've scanned 25,716,102,982 round trip itineraries and found the cheapest flights from Idaho Falls to St Louis. United frequently offer the best deals on Idaho Falls to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

United
IDASTL
Wed 10/19
1 stop
STLIDA
Sun 10/23
1 stop
$469
Select

How Much is a Flight from Idaho Falls to St Louis?

We have collected flight cost data from across the web for travel from Idaho Falls to St Louis, and have found the average flight price for this trip to be $678.

Where To Buy Cheap Flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to St Louis?

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

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $565
7-14 days $0 $565
14-21 days $0 $469
21-30 days $0 $0
30-60 days $0 $799
60-90 days $0 $652
90+ days $0 $0

Cheapest Day To Fly from Idaho Falls to St Louis

We've examined 25,724,431,429 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Idaho Falls to St Louis is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$469 $565 $869 $806

Compare Flight Prices from Idaho Falls 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 Idaho Falls to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October Idaho Falls St Louis United 10/19/16 10/23/16 1 $469
November Idaho Falls St Louis United 11/23/16 11/27/16 1 $799
December Idaho Falls St Louis United 12/22/16 1/6/17 1 $652

Cheap Last Minute Flights from Idaho Falls to St Louis

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

Next 30 Days

SunMonTueWedThuFriSat
2 3 4 5 6 7 8
$869
9 10 11 12 13 14 15
$869

Connecting Flights vs Direct Flights from Idaho Falls 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 Idaho Falls to St Louis is $799.

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

One Way Flights vs Round Trip Flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to St Louis is not available.

The average price for round trip flights from Idaho Falls to St Louis is $799.

Idaho Falls 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 Idaho Falls to St Louis?
Answer: Denver, CO

Airlines in Idaho Falls flying to St Louis Last modified: Sep 29, 2016 1:36 AMNumber of routes searched: 15Number of itineraries searched: 1,938

Wondering which airlines fly out of Idaho Falls to St Louis? We've gathered the average price of Idaho Falls 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.

Idaho Falls to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
United DEN
United DEN / ORD
United DEN / IAD
United DEN / IAH
United DEN / EWR
Delta SLC / ATL
Delta SLC / DTW
Delta SLC / MSP
Delta SLC
Delta SLC / CVG

Idaho Falls to St Louis Airports

These are the major commercial airports we're currently monitoring in Idaho Falls 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 to St Louis - STL

FlightsAirlineLowest Price
Flights from Salt Lake City to St Louis American, Alaska, Delta, United $270
Flights from Bozeman to St Louis Alaska, Delta, United $325
Flights from Salt Lake City to Chicago Delta, Frontier, United $97
Flights from Salt Lake City to Dallas - Ft Worth American, Alaska, Delta, Frontier, United $195
Flights from Salt Lake City to New York American, Alaska, JetBlue, Delta, Frontier, United $217
Flights from Bozeman to Chicago Delta, United $428
Flights from Salt Lake City to Nashville American, Alaska, Delta, Frontier $264
Flights from Salt Lake City to Kansas City American, Alaska, Delta, Frontier $284
Flights from Salt Lake City to Indianapolis American, Delta, Frontier, United $280
Flights from Salt Lake City to Minneapolis - St Paul American, Delta, Frontier, United $277
Flights from Salt Lake City to Houston American, Alaska, Delta, Frontier, United $256
Flights from Salt Lake City to Detroit American, Delta, Frontier, United $222
Flights from Salt Lake City to Denver Boutique, Delta, Frontier, United $57
Flights from Jackson to Chicago American, Delta, United $491
Flights from Salt Lake City to Louisville American, Alaska, Delta, United $335
Flights from Salt Lake City to Memphis American, Alaska, Delta, United $337
Flights from Salt Lake City to Washington American, Alaska, JetBlue, Delta, Frontier, United $266
Flights from Salt Lake City to Orlando Alaska, JetBlue, Delta, Frontier, United $197
Flights from Salt Lake City to Des Moines American, Alaska, Delta, Frontier, United $292
Flights from Salt Lake City to Los Angeles American, Alaska, Delta, United $161
Flights from Salt Lake City to Las Vegas Alaska, JetBlue, Delta, Frontier $57
Flights from Salt Lake City to Peoria American, Delta $298
Flights from Salt Lake City to Springfield Delta, United $348
Flights from Salt Lake City to Cincinnati American, Delta, Frontier, United $297
Flights from Salt Lake City to Little Rock American, Alaska, Delta, United $316
Flights from Salt Lake City to Cedar Rapids American, Alaska, Delta, United $234
Flights from Salt Lake City to Phoenix American, Alaska, Delta, Frontier $87
Flights from Salt Lake City to New Orleans American, Alaska, Delta, Frontier, United $252
Flights from Salt Lake City to Milwaukee American, Alaska, Delta, Frontier, United $284
Flights from Salt Lake City to Philadelphia American, Alaska, JetBlue, Delta, Frontier, United $240
Cheap Flights from Idaho Falls to St Louis