Alaska
Oneworld
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United States
Seattle–Tacoma International Airport
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United States
Idaho Falls Regional Airport
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Scan through all non-stop flights from Seattle / Tacoma to Idaho Falls. The full flight schedule below gives an overview of all non-stop flights from SEA to IDA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Idaho Falls are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Idaho Falls is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
Currently, there is only one airline operating non-stop flights from Seattle / Tacoma SEA to Idaho Falls IDA, which is Alaska. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA IDA flight schedule.
Flights from SEA to IDA are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 12:35 - 20:05. The earliest flight departs at 12:35, the last flight departs at 20:05. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Seattle / Tacoma to Idaho Falls takes 1 hour and 46 minutes. The flight distance between Seattle / Tacoma and Idaho Falls is 564 miles (or 908 km).
There is 1 airport in Idaho Falls: Idaho Falls Regional Airport (IDA).
There are 14 flights per week flying from Seattle / Tacoma to Idaho Falls (as of April 2026).
1 hour and 46 minutes is the average flight time from Seattle / Tacoma to Idaho Falls.
The distance from Seattle / Tacoma to Idaho Falls is 564 miles (908 kilometers).
Alaska is the only airline flying nonstop from Seattle / Tacoma to Idaho Falls.
Oneworld is currently the only alliance flying nonstop from Seattle / Tacoma to Idaho Falls.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Seattle / Tacoma to Idaho Falls:
The earliest flight departs at 12:35 from Seattle / Tacoma and arrives at 15:26 at Idaho Falls.
The latest flight departs at 20:05 from Seattle / Tacoma and arrives at 22:56 at Idaho Falls.
564 miles (908 km) · 1h 46m
12:43
15:29
Alaska
Oneworld
AS 2582
Alaska
Embraer 175
Y
W
J
F
12:43
15:29
Alaska
Oneworld
AS 2018
Alaska
Embraer 175
Y
W
J
F
13:32
16:19
Alaska
Oneworld
AS 3026
Alaska
Embraer 175
Y
W
J
F
19:54
22:40
Alaska
Oneworld
AS 2215
Alaska
Embraer 175
Y
W
J
F
19:54
22:40
Alaska
Oneworld
AS 2215
Alaska
Embraer 175
Y
W
J
F
19:54
22:40
Alaska
Oneworld
AS 2215
Alaska
Embraer 175
Y
W
J
F
20:04
22:52
Alaska
Oneworld
AS 3427
Alaska
Embraer 175
Y
W
J
F
20:04
22:52
Alaska
Oneworld
AS 3427
Alaska
Embraer 175
Y
W
J
F
20:04
22:52
Alaska
Oneworld
AS 2151
Alaska
Embraer 175
Y
W
J
F
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