On this page, you can find and purchase flights from Seattle to Idaho Falls. The 924 km route is serviced regularly, with about 16 flights per week, making it easy to find a convenient departure time.
Flights on this route are operated by Hawaiian Airlines and Alaska Airlines. Ticket prices are dynamic, so we recommend using the low-fare calendar and monitoring price trends to find the best deal.
The table shows direct flights Seattle → Idaho Falls on the selected date. The flight takes approximately 1 h 49 min. Regular flights are operated by Alaska Airlines and Hawaiian Airlines. Departures from Seattle-Tacoma International Airport and Paine Field airports, arrivals at Idaho Falls Regional Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Seattle — Idaho Falls by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 525 in ,, and the most expensive are around AED 701 in J. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Seattle → Idaho Falls, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 650 | low | May | AED 818 | medium | Sep | AED 794 | medium |
| Feb | AED 674 | low | Jun | AED 962 | high | Oct | AED 698 | low |
| Mar | AED 746 | medium | Jul | AED 914 | high | Nov | AED 626 | low |
| Apr | AED 770 | medium | Aug | AED 890 | high | Dec | AED 938 | high |
Some values are estimated based on seasonality.
The warmest month in Idaho Falls is July, with average temperatures reaching up to 32.2°C, while the coldest and snowiest month is January, when temperatures drop to -7.7°C. The lowest amount of precipitation occurs in mid-summer, making this the most comfortable period for travel.
The most budget-friendly flight deals are found in August, with ticket prices starting AED 525. Prices peak in January, with the minimum fare starting AED 701, as well as in December with prices AED 686.
August is considered the optimal time for booking: the weather remains dry and travel costs are at their lowest. In the winter months, especially January, ticket prices reach their peak, so it is better to plan your departure dates in advance.
Regular flights between the two cities are provided by two airlines: Alaska Airlines and Hawaiian Airlines. Alaska Airlines handles the majority of the traffic, operating most of the 16 weekly flights. A full schedule for your selected dates and details on connecting flight options are provided in the interactive list below.
Flights Seattle — Idaho Falls depart from Seattle-Tacoma International Airport and Paine Field and arrive at Idaho Falls Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight takes approximately 1 hour 15 minutes to 1 hour 30 minutes, as the distance between the cities is about 924 km.
The main carriers operating flights on this route are Alaska Airlines and Hawaiian Airlines.
Yes, direct flights are available on this route, which significantly reduces travel time compared to connecting options.
Flights from Seattle arrive at Idaho Falls Regional Airport (IDA), located in Idaho.
The best prices are typically available when booking several weeks before departure. You can find the current minimums for specific dates in the price calendar on this page.
Where travelers fly most — pick a route and check prices
