How much should you expect to spend for a flight from Boise to Saint Louis?

Flight prices from Boise to Saint Louis change depending on demand and time of booking.

$79 is the lowest fare found in the past 15 days.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Airport options between Boise and Saint Louis

Even for routes around 1380 mi, using different airports might affect flight cost and travel time.

• Airports in Boise: Only Boise - Air Terminal operates here.
• Airports in Saint Louis: Saint Louis - Lambert is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Plan your perfect flight from Boise to Saint Louis

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers like Delta, United, American, and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Atlanta, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.