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Cheap Flights from St Louis to Boise - STL to BOI

Did You Know?

You must make at least one connection to fly from St Louis, MO to Boise.
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
$212
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$255
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$273
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$273
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$149
United, Delta, American, US Airways, Frontier, AirTran
$215
United, Delta, American, Frontier
$213
Delta, Air Choice One, American, US Airways, United, Alaska
$172
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$273
United, Alaska, US Airways, Delta, American, Frontier
$273
United, Delta, American, AirTran, US Airways
$208
American, Delta, United, Alaska
$402
AirTran, American, US Airways, United, Frontier
$234
United, American, Frontier, Delta
$480
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$273
AirTran, Alaska, United, Delta, US Airways, American
$373
Frontier, Alaska, Delta, United, US Airways
$273
Delta, United, American, Alaska, US Airways
$373

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$339
United, Delta, US Airways
$334
American, Delta
$417
American, United, Delta, US Airways
$322
American, US Airways, Delta, United
$322
US Airways, United, Delta, American
$322
Delta, American, Frontier
$292
Alaska, United, American, Delta
$353
United, American
$322
American, Delta
$353

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$412
Cheap Flights from St Louis to Boise, from $333 Round trip from STL to BOI