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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
$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
$182
Delta, Air Choice One, American, US Airways, United, Alaska
$210
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$273
United, Alaska, US Airways, Delta, American, Frontier
$273
United, Delta, American, AirTran, US Airways
$209
American, Delta, United, Alaska
$466
AirTran, American, US Airways, United, Frontier
$258
United, American, Frontier, Delta
$507
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$273
AirTran, Alaska, United, Delta, US Airways, American
$362
Frontier, Alaska, Delta, United, US Airways
$273
Delta, United, American, Alaska, US Airways
$379

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$376
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
$308
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
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Cheap Flights from St Louis to Boise, from $358 Round trip from STL to BOI