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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
$362
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
$196
United, Delta, American, Frontier
$234
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
$200
American, Delta, United, Alaska
$416
AirTran, American, US Airways, United, Frontier
$232
United, American, Frontier, Delta
$99
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$273
AirTran, Alaska, United, Delta, US Airways, American
$343
Frontier, Alaska, Delta, United, US Airways
$266
Delta, United, American, Alaska, US Airways
$377

Cheap Domestic Flights to Boise - BOI

Flights
Airline
Lowest Price
Delta, US Airways, United
$316
United, Delta, US Airways
$277
American, Delta
$413
American, United, Delta, US Airways
$318
American, US Airways, Delta, United
$277
US Airways, United, Delta, American
$318
Delta, American, Frontier
$149
Alaska, United, American, Delta
$349
United, American
$277
American, Delta
$349

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$397
Cheap Flights from St Louis to Boise, from $377 Round trip from STL to BOI