BOI

$110 Find Cheap Flights from Missouri to Boise - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boise departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Boise

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Boise

Sat, Sep 5 - Mon, Sep 14
Frontier Logo
1:38 pm - 11:29 am
MCI
-
BOI
22h 51m
1 stop
Frontier Logo
2:50 pm - 7:37 pm
BOI
-
MCI
27h 47m
2 stops
$228Frontier
Sat, Sep 5 - Mon, Sep 14
Frontier Logo
1:38 pm - 11:29 am
MCI
-
BOI
22h 51m
1 stop
Frontier Logo
2:50 pm - 7:37 pm
BOI
-
MCI
27h 47m
2 stops
$231Frontier
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
6:00 am - 9:35 am
MCI
-
BOI
4h 35m
1 stop
United Airlines Logo
5:00 am - 10:51 am
BOI
-
MCI
4h 51m
1 stop
$277United Airlines
Tue, Aug 25 - Tue, Sep 1
Alaska Airlines Logo
7:00 am - 12:36 pm
MCI
-
BOI
6h 36m
1 stop
Alaska Airlines Logo
7:20 am - 11:59 pm
BOI
-
MCI
15h 39m
2 stops
$280Alaska Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
3:22 pm - 10:40 pm
MCI
-
BOI
8h 18m
1 stop
American Airlines Logo
1:55 pm - 10:50 pm
BOI
-
MCI
7h 55m
2 stops
$282American Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
7:00 am - 12:36 pm
MCI
-
BOI
6h 36m
1 stop
Alaska Airlines Logo
7:20 am - 11:59 pm
BOI
-
MCI
15h 39m
2 stops
$290Alaska Airlines
Tue, Aug 25 - Tue, Sep 1
American Airlines Logo
5:30 am - 11:16 am
MCI
-
BOI
6h 46m
1 stop
American Airlines Logo
6:44 am - 1:38 pm
BOI
-
MCI
5h 54m
1 stop
$316American Airlines
Wed, Aug 26 - Wed, Sep 2
Southwest Logo
12:35 pm - 7:45 pm
MCI
-
BOI
8h 10m
2 stops
Southwest Logo
8:20 am - 1:35 pm
BOI
-
MCI
4h 15m
1 stop
$321Southwest
Wed, Aug 26 - Wed, Sep 2
Southwest Logo
12:35 pm - 7:45 pm
MCI
-
BOI
8h 10m
2 stops
Southwest Logo
7:40 am - 5:00 pm
BOI
-
MCI
8h 20m
2 stops
$347Southwest
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
1:40 pm - 6:03 pm
STL
-
BOI
5h 23m
1 stop
United Airlines Logo
12:37 pm - 9:40 pm
BOI
-
STL
8h 03m
1 stop
$369United Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$110
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from St. Louis to Boise

FAQs for booking flights from Missouri to Boise

  • How does KAYAK find such low prices on flights from Missouri to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Boise (BOI)