￥15,450 Cheap Flights from Seattle (SEA) to Idaho Falls (IDA)

View ￥15,450 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Seattle to Idaho Falls, ID (IDA-Idaho Falls Regional)

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

Prices were available within the past 7 days and start at ￥15,450 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Idaho Falls (IDA)

January is typically the cheapest month to fly

From ￥21,169 - ￥56,730 per traveler.

Frequently asked questions

How much is a flight from SEA to IDA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from Sea-Tac Airport to Idaho Falls Regional Airport (IDA) was . Fares this cheap don't hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport?
Most flights can be canceled online, but every airline has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to IDA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to IDA flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SEA to IDA?
Consider bringing your own entertainment (like some downloaded podcasts), as it takes about 4 hours and 54 minutes to reach Idaho Falls Regional Airport (IDA) from Sea-Tac Airport. A good pair of noise-canceling headphones will also be useful.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport (IDA)?
With a flight distance of 910 kilometers, it's only a hop from Sea-Tac Airport to IDA. It might be a quick one, but it's still worth bringing along something to read.
Which airlines fly direct from Sea-Tac Airport to IDA?
Offering 26 flights every month, Alaska Airlines (AS) is a great choice when flying straight from SEA to Idaho Falls Regional Airport (IDA).
Are Sea-Tac Airport to Idaho Falls Regional Airport (IDA) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport at the last minute could be your ticket to an awesome deal. However, it could end up costing a great deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Distance
903 km
Average flight time
2 hours 46 mins

Book with confidence

Seattle to Idaho Falls Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Idaho Falls.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to IDA flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IDA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to Idaho Falls Flights

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