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Cheap flights from Missouri to Idaho from $134

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 5/17. 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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0 bags

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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
$186Frontier
Find Deal
Wed, May 14 - Sun, May 18
Frontier Logo
6:53 pm - 1:37 pmSTL-BOI
19h 44m1 stop
Frontier Logo
12:36 pm - 9:09 amBOI-STL
19h 33m1 stop
$217Frontier
Find Deal
Mon, May 19 - Thu, May 22
United Airlines Logo
6:00 am - 9:46 amMCI-BOI
4h 46m1 stop
United Airlines Logo
5:43 pm - 11:29 pmBOI-MCI
4h 46m1 stop
$267United Airlines
Find Deal
Sat, Jun 7 - Tue, Jun 10
Delta Logo
6:05 pm - 12:22 amSTL-BOI
7h 17m1 stop
Delta Logo
5:40 pm - 12:33 amBOI-STL
5h 53m1 stop
$287Delta
Find Deal
Thu, May 15 - Wed, May 21
Delta Logo
6:45 am - 10:43 amMCI-JAC
4h 58m1 stop
Delta Logo
6:50 pm - 12:20 amJAC-MCI
4h 30m1 stop
$289Delta
Find Deal
Tue, May 27 - Thu, Jun 5
American Airlines Logo
4:27 pm - 9:16 pmMCI-BOI
5h 49m1 stop
American Airlines Logo
1:41 pm - 10:20 pmBOI-MCI
7h 39m1 stop
$293American Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 8
American Airlines Logo
5:15 am - 12:25 pmMCI-GEG
9h 10m1 stop
American Airlines Logo
3:18 pm - 11:45 pmGEG-MCI
6h 27m1 stop
$303American Airlines
Find Deal
Fri, May 16 - Wed, May 21
United Airlines Logo
8:55 am - 4:41 pmMCI-BOI
8h 46m2 stops
United Airlines Logo
5:43 pm - 11:29 pmBOI-MCI
4h 46m1 stop
$320United Airlines
Find Deal
Sat, Jun 7 - Tue, Jun 10
Southwest Logo
6:40 am - 10:35 amMCI-BOI
4h 55m1 stop
Southwest Logo
7:25 am - 3:40 pmBOI-MCI
7h 15m2 stops
$324Southwest
Find Deal
Wed, Aug 13 - Wed, Aug 20
Southwest Logo
5:55 am - 12:35 pmMCI-GEG
8h 40m2 stops
Southwest Logo
7:30 am - 3:25 pmGEG-MCI
5h 55m1 stop
$326Southwest
Find Deal
Mon, Sep 8 - Fri, Sep 19

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
19h 44m
1 stop
BOI1:37 pmBoise Air Term. Gowen Fld
May 22
BOI12:36 pmBoise Air Term. Gowen Fld
19h 33m
1 stop
STL9:09 amLambert-St Louis
Frontier
May 21
STL8:15 pmLambert-St Louis
16h 36m
1 stop
BOI11:51 amBoise Air Term. Gowen Fld
May 25
BOI12:36 pmBoise Air Term. Gowen Fld
19h 33m
1 stop
STL9:09 amLambert-St Louis

Delta flights from Missouri to Idaho

Our best Delta deals on Missouri to Idaho flight tickets
Delta
May 15
STL6:05 pmLambert-St Louis
7h 17m
1 stop
BOI12:22 amBoise Air Term. Gowen Fld
May 21
BOI5:40 pmBoise Air Term. Gowen Fld
5h 53m
1 stop
STL12:33 amLambert-St Louis
Delta
May 27
MCI6:45 amKansas City
4h 58m
1 stop
JAC10:43 amJackson Hole
Jun 5
JAC6:50 pmJackson Hole
4h 30m
1 stop
MCI12:20 amKansas City
Delta
May 28
STL2:29 pmLambert-St Louis
10h 43m
2 stops
BOI12:12 amBoise Air Term. Gowen Fld
Jun 6
BOI5:40 pmBoise Air Term. Gowen Fld
6h 19m
1 stop
STL12:59 amLambert-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 $357. If you don’t want to visit Idaho in October, then you should wait until February to fly from Missouri, when ticket prices are also cheap, with an average price of $389.

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 $420 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

$134

Fastest flight time

4h 22m

Direct flights

None

Airports in Idaho

4 airports
The best one-way flight to Idaho from Missouri in the past 72 hours is $134. The best round-trip flight deal from Missouri to Idaho found on momondo in the last 72 hours is $186.
The fastest flight from Missouri to Idaho takes 4h 22m
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, Kansas City Airport - Spokane Airport and Lambert-St Louis Airport - Boise Air Term. Gowen Fld 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
7,941 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $171Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $252Free CancellationRating
8.0
7,919 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $288Free CancellationRating
8.0
9,927 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,287 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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