Seattle to Idaho Falls (SEA–IDA) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SEA–IDA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 565 miles in approximately 1h 46m. Beyond nonstop, 13 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: QR | 29 | E75, E75L | 1h46-1h53 | Oneworld | QR |
Weekly Schedule Pattern
Connection Landscape
Travel Essentials
SEA: PDT · IDA: MDT
When it's 6:00 PM in Seattle, it's 7:00 PM in Idaho Falls.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–IDA Quick Facts
Frequently Asked Questions
Flights from SEA to IDA
Seattle–Tacoma International Airport (SEA) and Idaho Falls Regional Airport (IDA) are connected by nonstop service from Alaska Airlines. With 43 weekly departures, this is a heavily served route.
SEA to IDA Flight Duration and Schedule
Nonstop flight time from SEA to IDA ranges from 1 hours 46 minutes to 1 hours 53 minutes. The route covers a distance of 565 miles (909 km). There are approximately 43 weekly flights outbound and 42 return, totaling 85 flights per week in both directions.
Connecting Options and Alternatives
13 one-stop connections are available, with the fastest taking approximately 4 hours via JAC. Two-stop connections are also available via intermediate hubs.