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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
$163
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$261
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
$196
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$273
United, Alaska, US Airways, Delta, American, Frontier
$273
United, Delta, American, AirTran, US Airways
$194
American, Delta, United, Alaska
$402
AirTran, American, US Airways, United, Frontier
$220
United, American, Frontier, Delta
$477
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
$377

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$335
United, Delta, US Airways
$330
American, Delta
$413
American, United, Delta, US Airways
$318
American, US Airways, Delta, United
$283
US Airways, United, Delta, American
$318
Delta, American, Frontier
$292
Alaska, United, American, Delta
$309
United, American
$318
American, Delta
$349

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$402
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Cheap Flights from St Louis to Boise, from $333 Round trip from STL to BOI