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Cheap flights from Missouri to Idaho from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Idaho departing on 5/11. 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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Find the cheapest flights from Missouri to Idaho

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Missouri to Idaho.
Frontier Logo
8:15 pm - 1:37 pmSTL-BOI
18h 22m1 stop
Frontier Logo
2:27 pm - 9:09 amBOI-STL
17h 42m1 stop
$250Frontier
Find Deal
Wed, May 14 - Sun, May 18
American Airlines Logo
5:25 am - 10:56 amMCI-BOI
6h 31m1 stop
American Airlines Logo
5:16 pm - 11:34 pmBOI-MCI
5h 18m1 stop
$267American Airlines
Find Deal
Tue, Jun 10 - Tue, Jun 17
United Airlines Logo
9:10 am - 1:32 pmSGF-BOI
5h 22m1 stop
United Airlines Logo
2:38 pm - 9:41 pmBOI-SGF
6h 03m1 stop
$280United Airlines
Find Deal
Sat, Apr 19 - Wed, Apr 23
United Airlines Logo
9:10 am - 1:32 pmSGF-BOI
5h 22m1 stop
United Airlines Logo
7:30 am - 9:41 pmBOI-SGF
13h 11m2 stops
$285United Airlines
Find Deal
Sat, Apr 19 - Wed, Apr 23
Delta Logo
6:00 am - 4:19 pmSTL-BOI
11h 19m2 stops
Delta Logo
7:45 pm - 8:39 amBOI-STL
11h 54m2 stops
$286Delta
Find Deal
Tue, Jun 3 - Wed, Jun 11
Delta Logo
2:30 pm - 6:58 pmMCI-JAC
5h 28m1 stop
Delta Logo
6:50 pm - 12:20 amJAC-MCI
4h 30m1 stop
$289Delta
Find Deal
Fri, May 2 - Fri, May 9
Alaska Airlines Logo
3:59 pm - 11:59 pmMCI-BOI
9h 00m1 stop
Alaska Airlines Logo
2:41 pm - 11:59 pmBOI-MCI
8h 18m1 stop
$301Alaska Airlines
Find Deal
Tue, Apr 29 - Thu, May 1
Alaska Airlines Logo
4:55 pm - 11:11 pmMCI-GEG
8h 16m1 stop
Alaska Airlines Logo
5:06 am - 4:01 pmGEG-MCI
8h 55m1 stop
$306Alaska Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Southwest Logo
8:55 pm - 12:30 amMCI-BOI
4h 35m1 stop
Southwest Logo
6:25 pm - 1:30 amBOI-MCI
6h 05m1 stop
$336Southwest
Find Deal
Thu, Jun 5 - Mon, Jun 9
Southwest Logo
3:45 pm - 11:00 pmSTL-GEG
9h 15m2 stops
Southwest Logo
4:15 pm - 12:35 amGEG-STL
6h 20m1 stop
$346Southwest
Find Deal
Fri, Apr 25 - Mon, Apr 28

Frontier flights from Missouri to Idaho

Our best Frontier deals on Missouri to Idaho flight tickets
Frontier
May 14
STL8:15 pmLambert-St Louis
18h 22m
1 stop
BOI1:37 pmBoise Air Term. Gowen Fld
May 18
BOI2:27 pmBoise Air Term. Gowen Fld
17h 42m
1 stop
STL9:09 amLambert-St Louis
Frontier
May 19
STL6:53 pmLambert-St Louis
18h 13m
1 stop
GEG11:06 amSpokane
May 27
GEG11:49 amSpokane
20h 20m
1 stop
STL10:09 amLambert-St Louis

American Airlines flights from Missouri to Idaho

Our best American Airlines deals on Missouri to Idaho flight tickets
American Airlines
Jun 10
MCI5:25 amKansas City
6h 31m
1 stop
BOI10:56 amBoise Air Term. Gowen Fld
Jun 17
BOI5:16 pmBoise Air Term. Gowen Fld
5h 18m
1 stop
MCI11:34 pmKansas City
American Airlines
Sep 3
STL8:14 amLambert-St Louis
9h 28m
1 stop
BOI4:42 pmBoise Air Term. Gowen Fld
Sep 10
BOI1:17 pmBoise Air Term. Gowen Fld
6h 06m
1 stop
STL8:23 pmLambert-St Louis
American Airlines
May 1
STL6:20 pmLambert-St Louis
6h 39m
1 stop
GEG10:59 pmSpokane
May 6
GEG1:22 pmSpokane
7h 23m
1 stop
STL10:45 pmLambert-St Louis

See travel insights to Idaho from

How to get the cheapest flight ticket from Missouri to Idaho

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 Idaho?

In general, October is the cheapest month to fly from Missouri to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $351. If you don’t want to visit Idaho in October, then you should wait until April to fly from Missouri, when ticket prices are also cheap, with an average price of $377.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $371. On the other hand, Sunday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $590.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Missouri to Idaho at noon for as low as $435. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $489 per ticket.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Missouri when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $430 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Missouri for as low as $278 on momondo.

Cheap Missouri to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Idaho

Best Price Found

$140

Fastest flight time

4h 29m

Direct flights

None

Airports in Idaho

4 airports
The best one-way flight to Idaho from Missouri in the past 72 hours is $140. The best round-trip flight deal from Missouri to Idaho found on momondo in the last 72 hours is $250.
The fastest flight from Missouri to Idaho takes 4h 29m
There are no direct flights from Missouri to Idaho. Popular non-direct routes for this connection are Kansas City Airport - Boise Air Term. Gowen Fld Airport, Lambert-St Louis Airport - Boise Air Term. Gowen Fld Airport and Lambert-St Louis Airport - Spokane Airport.
There are 4 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

  • When did momondo last update prices for flights from Missouri to Idaho?

    Prices for flights from Missouri to Idaho refresh daily.

  • How many operators does momondo search for flights from Missouri to Idaho?

  • How old do you have to be to fly from Missouri to Idaho?

    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 Missouri to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Missouri to Idaho

Compare and see reviews for airlines that fly from Missouri to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $137Free CancellationRating
6.3
7,890 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $252Free CancellationRating
8.0
7,901 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,621 reviews
Search United Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,276 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Idaho?

It is quick and easy to find Missouri to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

Can I find flights from Missouri to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Missouri.

I’m not ready to book a flight from Missouri to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Missouri and alert you when they change.


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Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo