Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Flights
Hotels
1 traveler
Unsupported Browser!
Find Flights

Cheap Flights from Boise to St Louis, MO, United States - BOI to STL

Popular flights from Boise to St Louis

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 2, 2016 Aug 11, 2016 $421
American Airlines
Departure Date Return Date Lowest Price
May 26, 2016 Jun 10, 2016 $352
United Airlines
Departure Date Return Date Lowest Price
Aug 24, 2016 Sep 8, 2016 $361

How Much Does it Cost to Fly from Boise to St Louis (BOI to STL)?

We have collected flight cost data from across the web for travel from Boise to St Louis, and have found the average flight price for this trip to be $432.

When Can I Buy the Cheapest Flight from Boise to St Louis (BOI to STL)?

Airlines can adjust prices for plane tickets from Boise to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Boise to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Boise to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$586 $377 $360 $352 $366 $446 $537

Round Trip vs One Way Flights from Boise to St Louis (BOI to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Boise to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Boise to St Louis is $231.

The average price for round trip flights from Boise to St Louis is $418.

Boise to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Boise to St Louis?
Answer: Denver, CO

Airlines Flying from Boise to St Louis (BOI to STL)

Below are the different airlines that fly from Boise to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Boise to St Louis.

Boise to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska PDX X X X X X X X
Alaska GEG / SEA X X X X X
Delta SLC X X X X X X X
Delta SLC / DTW X X X X X X X
United ORD X X X X X X X
Southwest DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Boise and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Boise - BOI

FlightsAirlineLowest Price
Boise to Chicago American, Alaska, United $296
Boise to Dallas - Ft Worth American, Alaska, United $291
Boise to Nashville American, Alaska, United $390
Boise to Kansas City American, Alaska, United $357
Boise to Indianapolis American, Alaska, United $437
Boise to Denver Alaska, United $273
Boise to Atlanta American, Alaska, United $378
Boise to Minneapolis - St Paul Alaska, United $415
Boise to Peoria American, United $383
Boise to Memphis American, United $453
Boise to Milwaukee American, Alaska, United $349
Boise to Las VegasCheck Dates
Boise to Louisville American, Alaska, United $508
Boise to Springfield American, United $464
Boise to Los Angeles American, Alaska, United $168
Boise to Houston American, Alaska, United $415
Boise to Detroit American, Alaska, United $415
Boise to Orlando American, Alaska, United $377
Boise to Cincinnati American, Alaska, United $526
Boise to Phoenix American, Alaska, United $264
Boise to Charlotte American, Alaska, United $366
Boise to Omaha American, Alaska, United $346
Boise to Des Moines American, Alaska, United $351
Boise to Little Rock American, United $525
Boise to Washington American, Alaska, United $341
Boise to Columbus American, Alaska, United $437
Boise to Madison American, Alaska, United $449
Boise to New York American, Alaska, United $355

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Lewiston to St Louis American, Alaska $651
Sun Valley to St Louis American, Alaska, United Check Dates
Cheap Flights from Boise to St Louis, MO, United States, from $352 Round trip from BOI to STL