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Cheap Flights from St Louis to Boise - STL to BOI

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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
$214
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$252
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$289
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$289
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$157
United, Delta, American, US Airways, Frontier, AirTran
$196
United, Delta, American, Frontier
$181
Delta, Air Choice One, American, US Airways, United, Alaska
$208
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$289
United, Alaska, US Airways, Delta, American, Frontier
$294
United, Delta, American, AirTran, US Airways
$205
American, Delta, United, Alaska
$417
AirTran, American, US Airways, United, Frontier
$260
United, American, Frontier, Delta
$500
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$289
AirTran, Alaska, United, Delta, US Airways, American
$364
Frontier, Alaska, Delta, United, US Airways
$266
Delta, United, American, Alaska, US Airways
$397

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$393
United, Delta, US Airways
$336
American, Delta
$437
American, United, Delta, US Airways
$336
American, US Airways, Delta, United
$336
US Airways, United, Delta, American
$336
Delta, American, Frontier
$157
Alaska, United, American, Delta
$369
United, American
$336
American, Delta
$369

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$391
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Cheap Flights from St Louis to Boise, from $331 Round trip from STL to BOI