Cheap flights from Idaho to Missouri from $100
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Missouri departing on 9/8. 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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How to get the cheapest flight ticket from Idaho to Missouri
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 to Missouri?
In general, April is the cheapest month to fly from Idaho to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $334. If you aren’t able to travel to Missouri during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $341.
What is the cheapest day to depart on your flight to Missouri?
The cheapest day to depart from Idaho to Missouri is on a Tuesday when prices can be found for as low as $391. Flights from Idaho to Missouri on a Monday will generally be more expensive and average around $561. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Missouri?
According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from Idaho to Missouri in the afternoon for as low as $410. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $496. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Missouri?
You are more likely to see cheaper flights to Missouri from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Idaho for as low as $334 on momondo.
What is the cheapest airline that flies from Idaho to Missouri?
Southwest, Alaska Airlines, and Spirit Airlines are the most popular carriers operating from Idaho to Missouri
What airlines fly to Missouri?
United Airlines, Delta and Southwest are the top three most popular airlines that fly to Missouri from Idaho according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.
How many flights depart from Idaho to Missouri on average per week?
2 flights are operational weekly from Idaho to Missouri as of June 2025. The most popular departure day for this route is Tue, with 50% of flights per week taking off on this day.
How long is the flight from Idaho to Missouri?
The flight from Idaho to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Hailey (a popular airport in Idaho) to St. Louis (the most popular airport in Missouri), then the flight time is 4h 38m on average. If you fly from Idaho Falls (another popular airport in Idaho) to St. Louis, then the average flight time is 4h 44m.
Cheap Idaho to Missouri flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Missouri
When did momondo last update prices for flights from Idaho to Missouri?
Prices for flights from Idaho to Missouri refresh daily.
How many operators does momondo search for flights from Idaho to Missouri?
The number of operators available for flights from Idaho to Missouri is 6 as of June 2025.
How old do you have to be to fly from Idaho to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Idaho to Missouri
Compare and see reviews for airlines that fly from Idaho to Missouri with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $84 | Free Cancellation | Rating 6.3 8,065 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $292 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Idaho to Missouri?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Missouri. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Idaho to Missouri with flexible booking policies on momondo?
Flights from Idaho to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Idaho to Missouri?
momondo provides multiple filters to help you find the best flight to Missouri from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Idaho to Missouri right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Missouri from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.