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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$122 Cheap Flights from Missouri to Boise

BOI

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$197

Overall average: $382

American Airlines

Wed 1/7Sun 1/11

MCI - BOI • 1 stop

Cheapest one-way

$122

Overall average: $168

Frontier

Wed 2/4

STL - BOI • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Boise!

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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Boise

Wed, Jan 7 - Sun, Jan 11

1:56 pm - 7:25 pm

MCI

BOI

6h 29m1 stop

2:56 pm - 11:59 pm

BOI

MCI

8h 03m1 stop

$197American Airlines

Sat, Jan 31 - Fri, Feb 6

8:22 pm - 11:12 am

STL

BOI

39h 50m2 stops

12:07 pm - 2:46 pm

BOI

STL

25h 39m1 stop

$200Frontier

Sun, Feb 1 - Fri, Feb 6

12:03 pm - 11:12 am

STL

BOI

24h 09m1 stop

12:07 pm - 6:44 pm

BOI

STL

5h 37m1 stop

$225Frontier

Sun, Jan 25 - Wed, Jan 28

1:56 pm - 7:25 pm

MCI

BOI

6h 29m1 stop

1:58 pm - 11:12 pm

BOI

MCI

8h 14m1 stop

$226American Airlines

Wed, Jan 7 - Sun, Jan 11

2:45 pm - 11:01 pm

MCI

BOI

9h 16m1 stop

9:53 pm - 3:05 pm

BOI

MCI

16h 12m2 stops

$255Alaska Airlines

Sat, Jan 31 - Fri, Feb 6

6:40 am - 6:28 pm

STL

BOI

12h 48m2 stops

1:40 pm - 11:23 pm

BOI

STL

8h 43m2 stops

$256Delta

Wed, Feb 18 - Wed, Feb 25

2:49 pm - 10:40 pm

MCI

BOI

8h 51m1 stop

6:00 pm - 1:55 pm

BOI

MCI

18h 55m1 stop

$264Alaska Airlines

Wed, Feb 18 - Wed, Feb 25

6:23 am - 1:59 pm

MCI

BOI

8h 36m1 stop

3:01 pm - 11:26 pm

BOI

MCI

7h 25m1 stop

$265Delta

Wed, Jan 14 - Wed, Jan 21

1:42 pm - 9:23 pm

MCI

BOI

8h 41m2 stops

10:48 am - 8:33 pm

BOI

MCI

8h 45m2 stops

$287United Airlines

Tue, Jan 27 - Wed, Jan 28

5:00 pm - 11:48 pm

STL

BOI

7h 48m1 stop

10:28 am - 4:55 pm

BOI

STL

5h 27m1 stop

$292United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$122

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 26% increase in price.

Flight from St. Louis 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.

McCall

Ontario

Everything you need to know for your flight to Boise

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Boise

Boise (BOI)

BOI

$122 Find Cheap Flights from Missouri to Boise

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

Everything you should know

Cheap Flights from Missouri to Boise

Recent round-trip flight deals from Missouri to Boise

Recent one-way flight deals from Missouri to Boise

Recent last minute flight deals from Missouri to Boise

Good to know

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.

Traveling to a place near Boise?

Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Cabin class types available on flights to Missouri

Complete your trip to Boise with a hotel stay or car rental

Find direct flights for Boise

Flights to other popular destinations

Flights from domestic origins to Boise

Choose which airport to fly into in Boise

Find deals for your return flight