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Cheap STL to BOI Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

St. Louis to Boise route information

Origin Airport Lambert-St. Louis Intl.
Destination Airport Boise
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Flight Price $253
Distance 1,379 mi

Cheap STL to BOI Flights

  • What is the cheapest day to fly?

    The cheapest day to fly from Saint Louis to Boise is on Tuesday. If you are trying to save a little cash on your next flight look for flights on Tuesday.
  • What is the cheapest airline flying from Saint Louis to Boise?

    Delta Air Lines is your best flying friend for finding that sought-after low fare. They're offering fares as low as $274, while rates for similar flights can cost as much as $1,128.
  • What is the cheapest day to fly to Boise?

    As of Sep 16th, the best day for deals to Boise (BOI) is Oct 9th. A ticket will cost you $274, which is 31% less than this route's average price.
  • How much time do people spend in Boise?

    The average time spent hanging out in Boise by travelers from Saint Louis is six days.
  • Can I change the date of my flight?

    You sure can change your departure date and you may save by changing when you take off. The cheapest day to fly in October is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
  • How much is a plane ticket to Boise (BOI) from Saint Louis (STL)?

    Cost can range from $274 to $1,128, prices for STL to BOI change less than the majority of routes in the United States. The further out you book, the more likely you are to save.
  • Which airline has the least delays from Saint Louis to Boise?

    SkyWest Airlines holds the best record for flights from STL to BOI with a 0% on-time rate. Note that if they do have a delay, it usually lasts about 63 minutes.

Missouri to Boise Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Missouri to Boise will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Boise.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to BOI flights that won’t make your bank account wince. Ready to temporarily leave behind Missouri for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BOI with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Package Disclaimer

*Savings amount equal to 100% when flight + hotel are booked together. Prices based on searches conducted by fellow shoppers within the past 24 hours. There is no guarantee that these prices will be in effect at the time of your search. Vacation package savings are based on comparison to prices on Expedia.com of the same components booked separately. Savings vary based on origin/destination, length of trip, stay dates and travel partners, and aren't available on all packages.