30 destinations have scheduled flights from BOI, about 523 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| Seattle–Tacoma International Airport (SEA) | 101 | Alaska Airlines, Delta Air Lines, American Airlines | — |
| Phoenix Sky Harbor International Airport (PHX) | 68 | SkyWest Airlines, Alaska Airlines, American Airlines, Southwest Airlines Co., Envoy Air Inc. | — |
| Portland International Airport (PDX) | 38 | Alaska Airlines, American Airlines | — |
| Denver International Airport (DEN) | 35 | Southwest Airlines Co., Albatross Airlines, Frontier Airlines, Inc. | — |
| Spokane International Airport (GEG) | 29 | Alaska Airlines, American Airlines | — |
| Salt Lake City International Airport (SLC) | 29 | Delta Air Lines | — |
| Chicago O'Hare International Airport (ORD) | 27 | American Airlines, Envoy Air Inc., SkyWest Airlines | — |
| Harry Reid International Airport (LAS) | 25 | Southwest Airlines Co., Alaska Airlines | — |
| San Francisco International Airport (SFO) | 22 | Albatross Airlines, Delta Air Lines, American Airlines | — |
| San Diego International Airport (SAN) | 20 | Alaska Airlines, Southwest Airlines Co. | — |
| Dallas Fort Worth International Airport (DFW) | 13 | American Airlines | — |
| Los Angeles International Airport (LAX) | 13 | Alaska Airlines, Delta Air Lines | — |
| Hartsfield Jackson Atlanta International Airport (ATL) | 12 | Delta Air Lines | — |
| Bozeman Yellowstone International Airport (BZN) | 11 | Alaska Airlines | — |
| Oakland San Francisco Bay Airport (OAK) | 10 | Southwest Airlines Co. | — |
| Palm Springs International Airport (PSP) | 10 | Alaska Airlines | — |
| Ontario International Airport (ONT) | 9 | Alaska Airlines | — |
| Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP) | 7 | Delta Air Lines | — |
| Hollywood Burbank/Bob Hope Airport (BUR) | 6 | Alaska Airlines | — |
| Pullman-Moscow Regional Airport (PUW) | 6 | Alaska Airlines | — |
| Sacramento International Airport (SMF) | 6 | Southwest Airlines Co. | — |
| Casper-Natrona County International Airport (CPR) | 5 | Four Island Air | — |
| Louisville Muhammad Ali International Airport (SDF) | 5 | UPS Airlines | — |
| Mineta San Jose International Airport (SJC) | 3 | Southwest Airlines Co. | — |
| Los Cabos International Airport (SJD) | 3 | Alaska Airlines | — |
| Charles M. Schulz Sonoma County Airport (STS) | 3 | Alaska Airlines | — |
| Mesa Gateway Airport (AZA) | 2 | Allegiant Air LLC | — |
| Long Beach International Airport (LGB) | 2 | UPS Airlines | — |
| John Wayne Orange County International Airport (SNA) | 2 | Allegiant Air LLC | — |
| Billings Logan International Airport (BIL) | 1 | UPS Airlines | — |
GET /routes returns each scheduled flight from BOI: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
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