STL to BOI (St. Louis to Boise) Flights

Last Minute Flights from STL to BOI

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBoiseMarch 15 to March 16$870
*Prices include taxes and fees

Cheapest STL to BOI Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBoiseMay 2 to May 7$234
STLBoiseMay 2 to May 7$245
STLBoiseMay 2 to May 7$253
STLBoiseApril 21 to May 12$300
STLBoiseApril 23 to April 25$349
*Prices include taxes and fees
STL to BOI Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Boise
Destination airport IATA code
BOI
Distance
1379 mi

Frequently asked questions

What airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Boise Airport?
To travel from STL to Boise Airport, you'll have to reserve a flight with one or more stops in between. At the moment, there are no nonstop services on this route.
How many flights are there from STL to BOI?
There are about 31 flights every day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Boise, ID (BOI), so you have plenty of ways to get to Boise. Just pick a date that works best for you and secure your fare.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Boise, ID (BOI)?
St. Louis, MO (STL-Lambert-St. Louis Intl.) to Boise, ID (BOI) takes on average 5 hours and 22 minutes. That's the perfect amount of time to take in a new series, get absorbed in a podcast or settle back and catch some z's.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Boise, ID (BOI)?
The St. Louis, MO (STL-Lambert-St. Louis Intl.) to Boise, ID (BOI) stretch covers 1,400 miles (2,200 1) and is regarded as a medium-haul journey. If you're seeking comfort — and the price is right — think about a premium or business class seat.
How many morning flights are there from STL to BOI?
Set your alarm and prepare to take off aboard one of the 117 morning flights from STL to BOI available every week.

  • If you plan to travel with Delta Air Lines (DL), it has 39 weekly services that depart before noon. The 5:36AM flight is the first one of the day.
  • Another top option is American Airlines. This carrier has 35 early flights every week. 5:00AM is the earliest.
  • Book a ticket with United Airlines (UA) and you'll have 35 morning flights to choose between. The earliest departure time is 6:00AM.

How many afternoon flights are there from STL to BOI?
Jet away on one of the 103 afternoon and evening flights from STL to BOI per week.

  • Nab a fare with Delta Air Lines (DL), which has 34 flights every week that leave after noon. 2:27PM is the earliest of those flights.
  • If you'd prefer to journey with American Airlines (AA), you can take your pick of 32 weekly afternoon and evening flights departing from 1:01PM onward.
  • Another great option is United Airlines (UA). Choose from 29 afternoon and evening flights a week from 1:37PM onward.

What is the earliest departure time out of St. Louis to Boise?
Leave STL at 5:00AM and hit the tarmac at BOI at 10:51PM. This is the earliest service you can get on this route.
What is the latest departure time out of St. Louis to Boise?
From STL, the last flight takes off at 7:20PM and arrives at BOI at 1:45PM. If you're not into early mornings, this is the flight for you.
What is the average price from St. Louis to Boise?
You can find a round-trip flight from STL to BOI beginning from around $234. The best deals disappear fast, so book as soon as you've decided on your travel dates. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Boise Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Boise to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to BOI, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Boise, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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