--- title: "Seattle to Idaho Falls flights: who flies SEA-IDA" description: "Alaska Airlines flies nonstop from SEA to IDA, about 14 flights a week, covering 565 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sea-ida" url: "https://2lnr.com/routes/sea-ida.md" date_modified: "2026-10-18T05:10:47Z" --- # Seattle to Idaho Falls (SEA-IDA): nonstop upgrade & award space Alaska Airlines flies nonstop between Seattle (SEA) and Idaho Falls (IDA), roughly 14 times a week. In the timetable below it flies as AS 3026 and AS 3422, scheduled at 1h 49m to 1h 50m for the 565 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SEA to IDA on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 1h 49m to 1h 50m Scheduled flight time 565 mi Nonstop distance Free To get started ## Seattle to Idaho Falls flight schedule Scheduled nonstop departures for SEA to IDA starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Seattle (SEA) to Idaho Falls (IDA) | Date | Flight | Airline | Departs SEA | Arrives IDA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) | | Fri, Oct 23 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Sat, Oct 24 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Sat, Oct 24 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Sun, Oct 25 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Sun, Oct 25 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Mon, Oct 26 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Mon, Oct 26 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Tue, Oct 27 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Tue, Oct 27 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Wed, Oct 28 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Wed, Oct 28 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | | Thu, Oct 29 | AS 3026 | Alaska Airlines, Inc. | 12:30 | 15:20 | 1h 50m | Embraer E175 | | Thu, Oct 29 | AS 3422 | Alaska Airlines, Inc. | 20:10 | 22:59 | 1h 49m | Embraer E175 | Showing all 14 scheduled SEA to IDA departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SEA to IDA date on the interactive map ## Aircraft on the Seattle to Idaho Falls nonstop Alaska Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on SEA to IDA departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to Idaho Falls to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Alaska Airlines award space was open on all 14 Seattle to Idaho Falls departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the SEA to IDA departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SEA to IDA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seattle to Idaho Falls nonstop Carriers operating SEA to IDA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See SEA to IDA on the interactive map → ## Frequently asked questions about SEA to IDA **How long is the flight from Seattle (SEA) to Idaho Falls (IDA)?** Scheduled flight times from Seattle (SEA) to Idaho Falls (IDA) run from 1h 49m to 1h 50m across the departures in the schedule table on this page. The nonstop covers about 565 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SEA to IDA?** Alaska Airlines is currently the only airline flying SEA to IDA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from SEA to IDA?** About 14 nonstop flights a week run between Seattle (SEA) and Idaho Falls (IDA) in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SEA to IDA depart?** Scheduled SEA to IDA nonstops in the next 7 days with service leave between 12:30 and 20:10, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SEA to IDA nonstop?** In the schedule table on this page, SEA to IDA nonstops fly as AS 3026 and AS 3422 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on SEA to IDA?** Open the SEA to IDA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [IDA to SEA upgrade and award space](https://2lnr.com/routes/ida-sea.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md), or [every route from Idaho Falls (IDA)](https://2lnr.com/routes/ida.md). Nonstops to Idaho Falls (IDA) from other airports within 150 miles of Seattle (SEA): - [Portland (PDX) to Idaho Falls (IDA)](https://2lnr.com/routes/pdx-ida.md), 129 miles from SEA Nonstops from Seattle (SEA) to other airports within 150 miles of Idaho Falls (IDA): - [Seattle (SEA) to Jackson (JAC)](https://2lnr.com/routes/sea-jac.md), 67 miles from IDA - [Seattle (SEA) to Hailey (SUN)](https://2lnr.com/routes/sea-sun.md), 112 miles from IDA Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SEA to IDA upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)