Seattle-Tacoma International ⇄ Idaho Falls Regional SEA–IDA
Airlines flew 1,434 flights between Seattle-Tacoma International SEA in Seattle, WA and Idaho Falls Regional IDA in Idaho Falls, ID in the twelve months to July 2026, both directions together: 89,823 passengers in 108,984 seats, 82% of them filled, and 22,581 pounds of freight. 566 miles, about 80 minutes in the air, on 2 airlines: SkyWest Airlines Inc. (729), Horizon Air (705). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 114 |
| 2/25 | 104 |
| 3/25 | 118 |
| 4/25 | 120 |
| 5/25 | 124 |
| 6/25 | 120 |
| 7/25 | 122 |
| 8/25 | 124 |
| 9/25 | 120 |
| 10/25 | 124 |
| 11/25 | 116 |
| 12/25 | 109 |
| 1/26 | 124 |
| 2/26 | 110 |
| 3/26 | 119 |
| 4/26 | 120 |
| 5/26 | 124 |
| 6/26 | 120 |
| 7/26 | 124 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 7,256 |
| 2/25 | 6,329 |
| 3/25 | 6,945 |
| 4/25 | 7,372 |
| 5/25 | 8,102 |
| 6/25 | 8,064 |
| 7/25 | 8,260 |
| 8/25 | 8,424 |
| 9/25 | 8,087 |
| 10/25 | 7,985 |
| 11/25 | 6,823 |
| 12/25 | 6,772 |
| 1/26 | 7,055 |
| 2/26 | 6,520 |
| 3/26 | 7,129 |
| 4/26 | 7,367 |
| 5/26 | 7,845 |
| 6/26 | 7,724 |
| 7/26 | 8,092 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 729 | 45,400 | 82% | scheduled passenger service |
| Horizon Air QX | 705 | 44,423 | 83% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,434 | 76 | 89,823 |
SEA → IDA this direction alone · flown January 2025 to July 2026
716 flights of 722 scheduled, 44,139 passengers in 54,416 seats, 20,448 pounds of freight. SkyWest Airlines Inc. 364; Horizon Air 352.
IDA → SEA this direction alone · flown January 2025 to July 2026
718 flights of 720 scheduled, 45,684 passengers in 54,568 seats, 2,133 pounds of freight. SkyWest Airlines Inc. 365; Horizon Air 353.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Seattle-Tacoma International SEA and Idaho Falls Regional IDA; all routes.