Cheap Flights from St. Louis (STL) to Idaho Falls (IDA)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Idaho Falls Regional Airport (IDA)

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Find the cheapest month to fly from St. Louis (STL) to Idaho Falls (IDA)

September is typically the cheapest month to fly

From ￥44,133 - ￥94,474 per traveler.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to IDA?
The lowest price advertised for a round-trip journey from St. Louis Lambert International Airport to Idaho Falls Regional Airport (IDA) is . But you better get moving. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Idaho Falls Regional Airport?
We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to IDA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert-St. Louis Intl. Airport (STL) to IDA flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Idaho Falls Regional Airport?
There are lots of ways to make the 4 hours and 50 minutes between Lambert-St. Louis Intl. Airport (STL) and IDA go by faster. If you want to be productive, sort through your camera roll or clear out all those unwanted emails. A snooze also helps pass the time!
How far is the flight from St. Louis Lambert International Airport to Idaho Falls Regional Airport?
Around 1,900 kilometers separates St. Louis and Idaho Falls, so pack some in-flight entertainment to help you fill in a few hours. That thrilling novel you haven't started will be perfect.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to IDA?
Unfortunately, there aren't any airlines that fly direct between STL and IDA. You'll have to book a flight with at least one stop.
Are St. Louis Lambert International Airport to Idaho Falls Regional Airport (IDA) flight tickets cheaper when they're purchased at the last minute?
It is possible to get a fantastic last-minute deal from STL to Idaho Falls Regional Airport (IDA), but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Idaho Falls Regional
Distance
1876 km

Book with confidence

Book with confidence

St. Louis to Idaho Falls Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Idaho Falls.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to IDA flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IDA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

St. Louis to Idaho Falls Flights

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Explore a world of travel with Expedia

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