Alaska
Oneworld
Did you mean flights from Seattle / Tacoma to Idaho Falls?
United States
Idaho Falls Regional Airport
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United States
Seattle–Tacoma International Airport
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Scan through all non-stop flights from Idaho Falls to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from IDA to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Seattle / Tacoma, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Seattle / Tacoma is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

Currently, there is only one airline operating non-stop flights from Idaho Falls IDA to Seattle / Tacoma SEA, 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 IDA SEA flight schedule.
Flights from IDA to SEA are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 06:00 - 16:59. The earliest flight departs at 06:00, the last flight departs at 16:59. 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 Idaho Falls to Seattle / Tacoma takes 1 hour and 54 minutes. The flight distance between Idaho Falls and Seattle / Tacoma is 564 miles (or 908 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 14 flights per week flying from Idaho Falls to Seattle / Tacoma (as of April 2026).
1 hour and 54 minutes is the average flight time from Idaho Falls to Seattle / Tacoma.
The distance from Idaho Falls to Seattle / Tacoma is 564 miles (908 kilometers).
Alaska is the only airline flying nonstop from Idaho Falls to Seattle / Tacoma.
Oneworld is currently the only alliance flying nonstop from Idaho Falls to Seattle / Tacoma.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Idaho Falls to Seattle / Tacoma:
The earliest flight departs at 06:00 from Idaho Falls and arrives at 07:05 at Seattle / Tacoma.
The latest flight departs at 16:59 from Idaho Falls and arrives at 18:02 at Seattle / Tacoma.
564 miles (908 km) · 1h 54m
06:00
07:05
Alaska
Oneworld
AS 3318
Alaska
Embraer 175
Y
W
J
F
06:00
07:05
Alaska
Oneworld
AS 3318
Alaska
Embraer 175
Y
W
J
F
06:00
06:57
Alaska
Oneworld
AS 2211
Alaska
Embraer 175
Y
W
J
F
06:00
06:57
Alaska
Oneworld
AS 2211
Alaska
Embraer 175
Y
W
J
F
16:06
17:00
Alaska
Oneworld
AS 2010
Alaska
Embraer 175
Y
W
J
F
16:06
17:00
Alaska
Oneworld
AS 2010
Alaska
Embraer 175
Y
W
J
F
16:59
18:02
Alaska
Oneworld
AS 3027
Alaska
Embraer 175
Y
W
J
F
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