Cheap flights from St. Louis to Idaho Falls from $239
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Idaho Falls departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Idaho Falls by changing tabs
Find the cheapest one-way flights from St. Louis to Idaho Falls
If you're looking for one-way flights from St. Louis to Idaho Falls, view some of our deals below provided by Delta and United Airlines
Best airlines flying from St. Louis to Idaho Falls
Compare and see reviews for airlines that fly from St. Louis to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $338 | Free Cancellation | Rating 8.0 10,895 reviews | |||
| PriceFrom $413 | Free Cancellation | Rating 7.4 11,187 reviews |
United Airlines flights from St. Louis to Idaho Falls
Our best United Airlines deals on St. Louis to Idaho Falls flight tickets
Delta flights from St. Louis to Idaho Falls
Our best Delta deals on St. Louis to Idaho Falls flight tickets
How to get the cheapest flight ticket from St. Louis to Idaho Falls
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from St. Louis to Idaho Falls?
September. The cheapest time of year to fly to Idaho Falls from St. Louis is September. Most expensive is February
What is the cheapest day to depart St. Louis for Idaho Falls?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly from St. Louis to Idaho Falls?
In the morning. St. Louis to Idaho Falls flights are approximately 9% more expensive at noon than in the morning
What is the cheapest airline that flies to Idaho Falls from St. Louis?
United Airlines. Delta and United Airlines are the most popular carriers operating from St. Louis to Idaho Falls
What is the cheapest St. Louis to Idaho Falls flight route?
Lambert-St Louis - Idaho Falls Fanning Field. Fly from Lambert-St Louis to Idaho Falls Fanning Field for the best St. Louis - Idaho Falls flight prices
Cheap St. Louis to Idaho Falls (STL to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Idaho Falls
Best Price Found | $239 |
|---|---|
Fastest flight time | 4h 52m |
Direct flights | None |
Airports in Idaho Falls | 1 airport |
How far is Lambert-St Louis to Idaho Falls Fanning Field by plane?
The straight-line distance from Lambert-St Louis to Idaho Falls Fanning Field is 1181.2 mi. 4h 52m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport is 2 as of May 2024.
How old do you have to be to fly from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Idaho Falls?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Idaho Falls. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Idaho Falls with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho Falls from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Idaho Falls?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Idaho Falls.
I’m not ready to book a flight from St. Louis to Idaho Falls right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.