AED460 Cheap Flights from Seattle (SEA) to Idaho Falls (IDA)

View AED460 flight on Wed, 12 November 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Seattle to Idaho Falls (SEA-IDA)

Prices were available within the past 7 days and start at AED460 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport?
Alaska Airlines has a direct flight setting off from Sea-Tac Airport at 9:15PM and coming in to land at Idaho Falls Regional Airport (IDA) at 11:56PM — a total flight time of 1 hour and 41 minutes. Secure your favorite seat, bring your headphones to keep you entertained and the time will rush by.
Is it cheaper to buy a plane ticket from SEA to Idaho Falls Regional Airport (IDA) last minute?
When it's time to book your flights, being prepared pays dividends. While you could find a last-minute deal on a Seattle - Tacoma Intl. Airport (SEA) to IDA flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international travel it's three to four months.
What airports do you fly into for Idaho Falls from Seattle?
There are two — Idaho Falls Regional Airport (IDA) and Pocatello Regional Airport (PIH). Both are excellent choices for those flying from Seattle to Idaho Falls. If you choose Idaho Falls Regional Airport (IDA), you'll land around 3 kilometers northwest of Idaho Falls. After you've settled in to your comfortable hotel, it's time to uncover some of the city's best sights. Idaho Falls Idaho Temple and Idaho Falls Greenbelt Trail should be at the top of your list.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport?
The most popular departure times for trips from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport (IDA) are between 12:00 PM - 1:00 PM on Alaska Airlines. One helpful tip is to head off in the morning. The earlier you fly, the better your odds of a delay-free flight as air traffic hasn't yet built up around airports.
Can I change the date of my flight from SEA to IDA?
You can quickly and easily make changes to your Sea-Tac Airport to IDA journey through the Expedia Trips portal. Before you amend times or dates, read the rules in your itinerary to find out what you can do and if fees apply for changes. Some airlines charge a change fee per person, on top of any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also head to our Customer Service portal for more information and to chat with our Virtual Agent.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Distance
903 km
Average flight time
2 hours 43 mins

Book with confidence

Book with confidence

Seattle to Idaho Falls Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Idaho Falls offer the perfect respite. Not only does exploring Idaho Falls provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Idaho Falls may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Idaho Falls are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Idaho Falls more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Idaho Falls is AED460 now!

Seattle to Idaho Falls Flights

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Explore a world of travel with Expedia