Cheap BOI to St. Marys flights

Book your BOI to KSM flights with Expedia and find last-minute Boise to St. Marys airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between BOI and KSM, with new flight deals and promotions almost daily. When you book your next trip from Boise ID to St. Marys AK with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

Popular Flights from St. Marys, Alaska

Browse popular flight destinations from St. Marys (KSM), and plan your next exciting trip. Expedia has cheap flights from St. Marys on multiple airline carriers, so book your next trip today!

BOI to KSM Route Map

Boise to St. Marys Flights, Stats and Airplanes

Route information for flights from Boise ID to St. Marys AK.

Origin:
Destination:
Distance:
2,270.00 miles

BOI - Boise ID Airlines

Browse the most popular airlines servicing the Boise (BOI) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

KSM - St. Marys AK Airlines

Browse the most popular airlines servicing the St. Marys (KSM) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.