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Cheap Flights from St Louis to Boise - STL to BOI

Did You Know?

215,535 seats are available per week to fly from St Louis, MO to Boise.
You must make at least one connection to fly from St Louis, MO to Boise.
There are 4756 flights from St Louis, MO to Boise per week.
United Airlines has 487 connecting flights between St Louis, MO and Boise.

Cheap Domestic Flights from St Louis - STL

Flights
Airline
Lowest Price
American, US Airways, Frontier, AirTran, Delta, Alaska, United
$266
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$266
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$266
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$266
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$145
United, Delta, American, US Airways, Frontier, AirTran
$196
United, Delta, American, Frontier
$273
Delta, Air Choice One, American, US Airways, United, Alaska
$187
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$266
United, Alaska, US Airways, Delta, American, Frontier
$266
United, Delta, American, AirTran, US Airways
$225
American, Delta, United, Alaska
$445
AirTran, American, US Airways, United, Frontier
$237
United, American, Frontier, Delta
$99
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$266
AirTran, Alaska, United, Delta, US Airways, American
$365
Frontier, Alaska, Delta, United, US Airways
$266
Delta, United, American, Alaska, US Airways
$388

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$316
United, Delta, US Airways
$300
American, Delta
$346
American, United, Delta, US Airways
$305
American, US Airways, Delta, United
$305
US Airways, United, Delta, American
$305
Delta, American, Frontier
$145
Alaska, United, American, Delta
$335
United, American
$305
American, Delta
$333

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$453
Cheap Flights from St Louis to Boise, from $371 Round trip from STL to BOI