Direct Flights from Seattle to Idaho Falls
Nonstop service from SEA to IDA on Alaska. Here's the schedule at a glance — plus what to do once you land.
How rare is this nonstop?
Only 11 cities have a nonstop to Idaho Falls, so this is a route worth knowing about — most travelers connect to get there.
How long to go to Idaho Falls for, from Seattle
1h 40m in the air, 565 miles — a Friday-evening departure still leaves you most of the evening in Idaho Falls. Two nights works.
Idaho Falls is 4,311 ft higher than Seattle, at 4,744 ft. Enough that a first-day hike or a hard workout will feel harder than it does at home, and enough that alcohol goes further.
About Idaho Falls
Idaho Falls is a city in Eastern Idaho. Idaho Falls serves as the commercial, cultural, and healthcare hub for Eastern Idaho. The city attracts many tourists visiting nearby Yellowstone and Grand Teton National Parks, Jackson Hole, and fishing on the Snake River. Due to its proximity to high-profile outdoor destinations, in 2009, Idaho Falls was named to National Geographic's list of the "100 Best Adventure Towns".
Summary from Wikivoyage (CC BY-SA).
Top things to do in Idaho Falls
- The Idaho Potato Museum is a museum devoted to the potato, located in Blackfoot, Idaho.
- The Museum of Idaho (MOI) is a history and science museum in downtown Idaho Falls, Idaho.
- Kelly Canyon is an alpine ski area in eastern Idaho, in the Targhee National Forest.
- Tautphaus Park is a city park located in Idaho Falls, Idaho encompassing 84.5 acres.
- Funland Amusement Park, commonly known as Funland, is a small amusement park located in Idaho Falls, Idaho, United States.
- The Legacy Flight Museum is an aviation museum located at the Rexburg–Madison County Airport in Rexburg, Idaho.
- The Idaho Falls Public Library, at Elm and Eastern Streets in Idaho Falls, Idaho, was built in 1916 as a Carnegie library and was expanded later. The library operated here until 1977 when it moved a few blocks away.
Attraction descriptions from Wikipedia (CC BY-SA); place data from Wikidata (CC0).
Idaho Falls weather, compared with Seattle
3° cooler than Seattle on average across the year, on daytime highs:
- January
- Idaho Falls 27°F · Seattle 47°F · 20° colder
- April
- Idaho Falls 58°F · Seattle 58°F · much the same
- July
- Idaho Falls 87°F · Seattle 77°F · 10° warmer
- October
- Idaho Falls 58°F · Seattle 60°F · 2° colder
January bottoms out near 27°F — a real coat, not a layer. Idaho Falls also swings harder through the year than Seattle does — 59° between its coldest and warmest months against 31°.
Average daily highs, 1991–2020 station normals from Meteostat (CC BY 4.0), measured at each city's airport.
Planning a trip to Idaho Falls
- Best time to visit
- The best time to visit Idaho Falls is May–June and September, when daytime highs are a comfortable 66–75°F.
- How long to stay
- Three or four days is enough to take in Idaho Falls's highlights, from Idaho Potato Museum, Museum of Idaho, and Kelly Canyon and more.
Frequently asked questions
- Is there a direct flight from Seattle to Idaho Falls?
- Yes — you can fly nonstop from Seattle (SEA) to Idaho Falls (IDA) on Alaska.
- Which airlines fly nonstop from Seattle to Idaho Falls?
- Alaska flies nonstop between Seattle (SEA) and Idaho Falls (IDA).
- How many nonstop flights are there from Seattle to Idaho Falls?
- There are about 2 nonstop departures per day (roughly 14 per week) from Seattle to Idaho Falls.
- How far is Idaho Falls from Seattle?
- Idaho Falls is about 565 miles from Seattle by air.
- What is there to do in Idaho Falls?
- Popular things to do include Idaho Potato Museum, Museum of Idaho, Kelly Canyon, Tautphaus Park, and more.
More nonstop destinations from Seattle near Idaho Falls
Airports near Seattle
The closest other departure airports to Seattle — each opens up more nonstop destinations.